A battery swappable vehicle and a battery. The battery swappable vehicle includes a battery compartment, the battery compartment is arranged in the battery swappable vehicle, the battery compartment is configured to accommodate a plurality of batteries, and each of the batteries is capable of independently supplying power to the battery swappable vehicle.
B60L 50/60 - Propulsion électrique par source d'énergie intérieure au véhicule utilisant de la puissance de propulsion fournie par des batteries ou des piles à combustible utilisant de l'énergie fournie par des batteries
B60L 50/64 - Détails de construction des batteries spécialement adaptées aux véhicules électriques
H01M 10/613 - Refroidissement ou maintien du froid
H01M 10/6568 - Liquides caractérisés par des circuits d'écoulement. p. ex. boucles, situés à l'extérieur des éléments ou des boîtiers des éléments
H01M 50/24 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par les propriétés physiques des boîtiers ou des bâtis, p. ex. dimensions adaptés pour protéger les batteries de leur environnement, p. ex. de la corrosion
H01M 50/249 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux aéronefs ou aux véhicules, p. ex. aux automobiles ou aux trains
H01M 50/267 - Moyens adaptés à l’utilisation de différents types ou de différentes tailles de batteries ou de cellules
H01M 50/269 - Moyens mécaniques pour faire varier la disposition des batteries ou des cellules pour différentes utilisations ou pour commuter du câblage en série au câblage en parallèle
2.
BOTTOM SUPPORT FOR BATTERY CELL, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE
This application relates to a bottom support for battery cell, a battery cell, a battery, and an electric device. The bottom support is configured for supporting a jelly roll, and the bottom support includes a bottom plate, where the bottom plate includes a central region and a peripheral region surrounding the central region. The bottom plate is constructed to form at least one recessed group, and a recessed area increases gradually among the recessed group(s) in a direction from the peripheral region to the central region of the bottom plate. The bottom support for battery cell, the battery cell, the battery, and the electric device provided in this application reduce the probability of thermal runaway in the battery cell.
H01M 10/654 - Moyens de commande de la température associés de façon structurelle avec les éléments situés à l'intérieur du boîtier des éléments, p. ex. mandrins, électrodes ou électrolytes
A cell, a battery, and an electric device are described. The cell includes a can and a guard. The can includes a case and an end lid. The case has an opening. The end lid is connected to the case and closes the opening. The end lid is connected to the case to form a connecting portion. The guard is arranged on an outer surface of the can and covers at least a part of the connecting portion. The cell has the guard arranged thereon, where the guard covers at least a part of the connecting portion. The guard can prevent liquid from leaking from the connecting portion to some extent, and lower a liquid leakage speed, thereby improving safety of the cell to some extent.
Disclosed in embodiments of the present application is an energy storage device. The energy storage device is used for storing a plurality of batteries, and comprises: a first wall; and a pressure relief assembly arranged on the first wall. Therefore, according to the energy storage device of the embodiments, the reliability of the energy storage device can be improved.
H01M 50/204 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules
H01M 50/262 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports avec des moyens de fixation, p. ex. des serrures
H01M 50/271 - Couvercles des boîtiers secondaires, des bâtis ou des blocs
H01M 50/383 - Moyens pare-flammes ou moyens de prévention de l’allumage
5.
SECONDARY BATTERY, ELECTRICAL DEVICE, POSITIVE ACTIVE MATERIAL AND PREPARATION METHOD THEREOF, AND POSITIVE ELECTRODE PLATE
A secondary battery includes a positive electrode plate. The positive electrode plate includes a lithium-containing phosphate positive active particle. The lithium-containing phosphate positive active particle includes a center portion and a surface portion. The surface portion is continuously or discontinuously distributed on a surface of the center portion. A thickness of the surface portion is less than or equal to 10 nm. A lithium content of the center portion is greater than a lithium content of the surface portion.
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
B60L 50/64 - Détails de construction des batteries spécialement adaptées aux véhicules électriques
C01B 25/45 - Phosphates contenant plusieurs métaux ou un métal et l'ammonium
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
6.
NON-AQUEOUS ELECTROLYTE AND PREPARATION METHOD THEREOF, AND SECONDARY BATTERY AND ELECTRIC APPARATUS CONTAINING SAME
This application provides a non-aqueous electrolyte and a preparation method thereof, and a secondary battery and an electric apparatus containing the same. The non-aqueous electrolyte contains the non-aqueous solvent and lithium ions, first cations, and first anions dissolved therein, where the first cation is a metal cation Men+ other than the lithium ion, n representing a chemical valence of the metal cation; the first anion is a tetrafluoroborate anion BF4−; mass concentration of the first cations in the non-aqueous electrolyte is D1 ppm, and mass concentration of the first anions in the non-aqueous electrolyte is D2 ppm, both based on total mass of the non-aqueous electrolyte; and the non-aqueous electrolyte satisfies that D1 is 0.1 to 1250 and that D1/D2 is 0.02 to 2. The non-aqueous electrolyte in this application enables the secondary battery to have good cycling performance, safety performance, and kinetic performance.
H01M 10/0569 - Matériaux liquides caracterisés par les solvants
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
6-ma-cz6-ma-czAa+mxmxBb+mymyCc+z66, wherein a is the valence of the ion A, b is the valence of the ion B, c is the valence of the ion C, the value of a is 3 or 4, the value of b is 4, 5 or 6, the value of c is 2, 3, 4, 5 or 6, ax+by=a, b>a, x>y>0, 0≤z<0.5, 0
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
A secondary battery and an electrical device are disclosed, which relate to the field of batteries. The secondary battery includes a negative electrode active material and an electrolyte solution. A mass percentage of a silicon-containing substance in the negative electrode active material is W1%, the electrolyte solution includes fluorinated cyclic carbonate, a mass percentage of the fluorinated cyclic carbonate in the electrolyte solution is W2%, and 0.1W1≤W2≤0.7W1.
An energy storage device and a control box therein are disclosed. The control box includes a first wall, a switch assembly mounted on the wall, and a protective cover positioned over the switch assembly. The cover is rotatably connected to the first wall by a first connecting piece and secured in place by a detachable second connecting piece. This structure reduces the risk of environmental contaminants entering the control box when the switch assembly is not in use, thereby enhancing device reliability. When operation or maintenance is required, the protective cover can rotate relative to the wall without being fully removed, minimizing the risk of misplacement and improving ease of access. This design provides effective protection of the switch assembly and helps reduce control box failure.
H05K 5/02 - Enveloppes, coffrets ou tiroirs pour appareils électriques Détails
H01M 50/204 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules
H01M 50/24 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par les propriétés physiques des boîtiers ou des bâtis, p. ex. dimensions adaptés pour protéger les batteries de leur environnement, p. ex. de la corrosion
A single-crystalline-structured low-cobalt ternary positive material, a chemical formula thereof is Li1+x(NiaCObMnc)1−dMdO2−yAy, where a mole fraction of Co element is low, 0.05≤b≤0.14; and in a single particle, a ratio of an average Co content per unit area of an outer layer to an average Co content per unit area of an inner core in a cross section passing through a geometric center of the particle is in a range 1.2-5.0:1, optionally, in a range 1.4-2.0:1 is disclosed. The material has better structural stability and dynamic performance at low temperature and high voltage, which improves cycle performance and power performance of the secondary battery at low temperature and high voltage. A method for preparing the low-cobalt ternary positive material, a secondary battery, a battery module, a battery pack, and a power consumption apparatus including the material is also disclosed.
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
C01G 53/50 - Oxydes complexes contenant du nickel et au moins un autre élément métallique contenant des métaux alcalins, p. ex. LiNiO2 contenant du manganèse du type (MnO2)n-, p. ex. Li(NixMn1-x)O2 ou Li(MyNixMn1-x-y)O2
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
11.
BATTERY CELL, BATTERY, AND POWER-CONSUMING APPARATUS
A battery cell includes a housing, a first insulating film, and an adhesive layer. The housing includes a first part and a second part, the first part is connected to the second part, and a surface energy of the second part is greater than a surface energy of the outer surface of the first part. The first insulating film covers at least one part of the housing. The adhesive layer is disposed between the second part and the first insulating film and configured to connect the first insulating film to the second part.
H01M 50/124 - Boîtiers primairesFourreaux ou enveloppes caractérisés par le matériau ayant une structure en couches
B60L 50/60 - Propulsion électrique par source d'énergie intérieure au véhicule utilisant de la puissance de propulsion fournie par des batteries ou des piles à combustible utilisant de l'énergie fournie par des batteries
B60R 16/033 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour l'alimentation des sous-systèmes du véhicule en énergie électrique caractérisé par l'utilisation de cellules électriques ou de batteries
H01M 50/103 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique prismatique ou rectangulaire
H01M 50/145 - Boîtiers primairesFourreaux ou enveloppes pour protéger contre les dommages causés par des facteurs externes pour protéger contre la corrosion
H01M 50/15 - Couvercles caractérisés par leur forme pour des cellules prismatiques ou rectangulaires
A secondary battery and a power consuming device comprising same are described. The secondary battery comprises a negative electrode plate and a separator, wherein the negative electrode plate comprises a negative electrode current collector and a negative electrode film layer provided on at least one side of the negative electrode current collector; and with the capacity per unit area of the negative electrode film layer being denoted as C, and the pore volume per unit area of the separator being denoted as V, the secondary battery satisfies: 0.05 cm3/Ah≤V/C≤0.3 cm3/Ah, where C is in mAh, and V is in cm3. The secondary battery has a good cycling performance.
A battery cell includes a housing, an electrode terminal, and an isolating member. The housing includes a first end wall; the electrode terminal is disposed on the first end wall; and the isolating member covers an outer surface of the first end wall. A first through hole and a second through hole are provided on the isolating member. The first through hole is configured to expose the electrode terminal, and the second through hole is configured to discharge liquid between the isolating member and the first end wall.
A battery cell includes a housing, an electrode terminal, a first connecting member, and an insulating film. A first end wall is provided with a first through-hole, and the first through-hole passes through the first end wall in a thickness direction of the first end wall. The electrode terminal is mounted in the first through-hole. At least a part of the first connecting member is located on an outer side of the first end wall in the thickness direction, and the first connecting member is disposed in a circumferential direction of the electrode terminal and is connected to the electrode terminal. The insulating film covers at least a part of an outer surface of the first end wall, the insulating film is provided with a second through-hole for exposing the electrode terminal, and the insulating film is connected to the first connecting member.
A gluing position inspection method, device, and system resolve at least problemst such as long treatment time, high costs, a low production capacity, and the influence of omission of regluing on heat dissipation and performance of a battery pack caused due to online manual regluing. The inspection method is applied to an inspection device. The inspection method includes: determining an inspection result of a current battery cell based on an image of a surface of the current battery cell, where the image of the surface of the current battery cell is captured by the inspection apparatus at an inspection position, and the image of the surface of the current battery cell includes a gluing position; and controlling a picking portion of the pick-and-place apparatus to move the current battery cell to the cache apparatus and move a spare battery cell in the storage apparatus to the inspection position.
122 are each independently selected from a fluorine atom or a C1-C6 fluoroalkyl group; the organic solvent comprises dimethyl carbonate, and the mass ratio of the dimethyl carbonate in the organic solvent is less than or equal to 5%. The battery provided by the present disclosure achieves high reliability while maintaining excellent power performance.
A secondary battery, including a positive electrode plate and an electrolyte solution are disclosed. The positive electrode plate includes a current collector and a positive electrode material layer disposed on at least one side of the current collector. The positive electrode material layer includes a first lithium iron phosphate material and a second lithium iron phosphate material. Dv50 of the second lithium iron phosphate material is greater than Dv50 of the first lithium iron phosphate material. The Dv50 of the first lithium iron phosphate material is 0.05 μm to 6 μm. The electrolyte solution includes a solvent. The solvent includes a first solvent that is at least one selected from compounds represented by Formula I, where R1 and R2 each are independently selected from a C1 to C6 alkyl or a C1 to C6 haloalkyl. The secondary battery of this application exhibits good balanced overall performance.
A secondary battery, including a positive electrode plate and an electrolyte solution are disclosed. The positive electrode plate includes a current collector and a positive electrode material layer disposed on at least one side of the current collector. The positive electrode material layer includes a first lithium iron phosphate material and a second lithium iron phosphate material. Dv50 of the second lithium iron phosphate material is greater than Dv50 of the first lithium iron phosphate material. The Dv50 of the first lithium iron phosphate material is 0.05 μm to 6 μm. The electrolyte solution includes a solvent. The solvent includes a first solvent that is at least one selected from compounds represented by Formula I, where R1 and R2 each are independently selected from a C1 to C6 alkyl or a C1 to C6 haloalkyl. The secondary battery of this application exhibits good balanced overall performance.
H01M 10/0569 - Matériaux liquides caracterisés par les solvants
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/136 - Électrodes à base de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFy
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 10/0567 - Matériaux liquides caracterisés par les additifs
18.
SEPARATOR AND PREPARATION METHOD THEREFOR, SECONDARY BATTERY, AND ELECTRIC APPARATUS
Provided in the present application are a separator and a preparation method therefor, a secondary battery, and an electric apparatus. The separator comprises a first base film, a second base film, and an intermediate layer, which is located between the first base film and the second base film, wherein the melting point of the first base film is 175° C. or above, and the average pore size of the first base film is larger than or equal to 0.22 μm; and the intermediate layer comprises filler particles, at least some of which are embedded into the first base film.
A positive electrode material includes a positive electrode active material and a cladding layer located on at least a part of a surface of the positive electrode active material. The positive electrode active material includes a material whose chemical formula is LiNi1−xMxO2, 0≤x≤0.2, M includes at least one of Co, Mn, Al, Fe, Cu, and V, and the cladding layer includes at least one of a sulfur element, a selenium element, and a tellurium element. When the positive electrode material is used to prepare a secondary battery, the cladding layer may react with a lithium impurity of the positive electrode active material, to reduce a lithium impurity content of the positive electrode active material of the secondary battery and improve cycle performance of the battery.
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
C01G 53/506 - Oxydes complexes contenant du nickel et au moins un autre élément métallique contenant des métaux alcalins, p. ex. LiNiO2 contenant du manganèse du type (MnO2)n-, p. ex. Li(NixMn1-x)O2 ou Li(MyNixMn1-x-y)O2 contenant du lithium et du cobalt avec le rapport molaire du nickel par rapport à tous les métaux autres que les métaux alcalins supérieur ou égal à 0,5, p. ex. Li(MzNixCoyMn1-x-y-z)O2 avec x ≥ 0,5 avec le rapport molaire du nickel par rapport à tous les métaux autres que les métaux alcalins supérieur ou égal à 0,8, p. ex. Li(MzNixCoyMn1-x-y-z)O2 avec x ≥ 0,8
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
20.
BATTERY CELL, BATTERY, ELECTRIC DEVICE, AND ASSEMBLY METHOD FOR BATTERY CELL
A battery cell, a battery, an electric device, and an assembly method for a battery cell are provided. The battery cell comprises: a case assembly, which comprises a case and first post terminals, wherein the case comprises a case body and a case cover, the case body having an opening, the case cover covering the opening, and the case body being provided with the first post terminals; and a battery cell assembly, which comprises an active substance coating portion and electrically conductive portions, wherein the active substance coating portion is accommodated in the case body, and the electrically conductive portions are electrically connected to the active substance coating portion and the first post terminals. The present application can reduce the probability of cracking occurring at a weld joint between the case body and the case cover during use of the battery, thereby improving the reliability of the battery cell.
A battery cell, a manufacturing method thereof, a battery, and a power-consuming apparatus are provided. The battery cell includes an electrode plate and an adapter component. The electrode plate comprises a current collector and a tab assembly. The tab assembly includes multiple tabs and connecting members, with the tabs stacked in a first direction and each having a through hole. The connecting members are disposed on one side of the tabs and have a lower tensile strength than the current collector. The adapter component is connected to the connecting members via the through holes. This structure improves connection reliability between the adapter and the tabs, reduces the risk of cracking in the tab assembly, and enhances battery manufacturing yield.
H01M 50/538 - Connexions de plusieurs conducteurs ou languettes d’électrodes empilées enroulées ou pliées
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 10/0587 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure enroulés, c.-à-d. des électrodes positives enroulées, des électrodes négatives enroulées et des séparateurs enroulés
H01M 50/536 - Connexions d’électrodes dans un boîtier de batterie caractérisées par le procédé de fixation des conducteurs aux électrodes, p. ex. soudage
22.
CASING ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUS
A casing assembly, a battery cell, a battery, and an electrical apparatus are provided. The casing assembly includes a casing with mounting holes and first terminals. Each first terminal comprises a terminal body, a first limiting platform, and a second limiting platform, which are integrally formed. The terminal body extends through a mounting hole, with the first and second limiting platforms positioned on opposite ends along the axial direction of the hole. The first limiting platforms engage the outer side of the casing, while the second limiting platforms engage the inner side, securing the first terminals to the casing via riveting. This design simplifies assembly and enhances the reliability and stability of the connection between the first terminals and the casing.
H01M 50/567 - Bornes caractérisées par leur procédé de fabrication par des moyens de fixation, p. ex. vis, rivets ou boulons
H01M 50/172 - Dispositions pour introduire des connecteurs électriques dans ou à travers des boîtiers
H01M 50/188 - Éléments de scellement caractérisés par la position des éléments de scellement les éléments de scellement étant arrangés entre le couvercle et la borne
H01M 50/30 - Aménagements pour faciliter l’échappement des gaz
H01M 50/536 - Connexions d’électrodes dans un boîtier de batterie caractérisées par le procédé de fixation des conducteurs aux électrodes, p. ex. soudage
H01M 50/55 - Bornes caractérisées par la position des terminaux sur les cellules sur le même côté de la cellule
H01M 50/588 - Moyens pour empêcher un usage ou une décharge indésirables pour empêcher les contacts incorrects à l’intérieur ou à l’extérieur des batteries à l’extérieur des batteries, p. ex. les contacts incorrects des bornes ou des barres omnibus
A battery cell comprises: a housing, comprising a housing cover and a housing body; a battery cell assembly, comprising an active substance-coated part; and a support arranged at the end of the active substance-coated part distal to the opening of the housing body and fitting the battery cell assembly. The support is provided with a body part and an extension part arranged circumferentially on the body part. The projection of the body part on the plane of the housing cover is within the projection of the active substance-coated part on the plane of the housing cover, and the projection of the extension part on the plane of the housing cover is located outside the projection of the active substance-coated part on the plane of the housing cover.
H01M 50/477 - Éléments d'espacement à l'intérieur des cellules autres que les séparateurs, les membranes ou les diaphragmesLeurs procédés de fabrication caractérisés par leur forme
H01M 50/172 - Dispositions pour introduire des connecteurs électriques dans ou à travers des boîtiers
H01M 50/474 - Éléments d'espacement à l'intérieur des cellules autres que les séparateurs, les membranes ou les diaphragmesLeurs procédés de fabrication caractérisés par leur position dans les cellules
A battery includes: a frame; a plurality of battery cells, where the plurality of battery cells are all disposed in the frame, and the plurality of battery cells are stacked in a first direction; and a buffer structure, where the buffer structure is disposed between at least two adjacent battery cells and/or between an outermost battery cell and the frame in the first direction.
H01M 50/291 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par des éléments d’espacement ou des moyens de positionnement dans les racks, les cadres ou les blocs caractérisés par leur forme
H01M 50/209 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules prismatiques ou rectangulaires
H01M 50/293 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par des éléments d’espacement ou des moyens de positionnement dans les racks, les cadres ou les blocs caractérisés par le matériau
A battery includes: a plurality of thermal management components disposed at intervals along a first direction; at least one battery cell group, each battery cell group being disposed between two adjacent thermal management components; where each battery cell group includes a plurality of battery cells arranged along a second direction perpendicular to the first direction, and a first heat exchange cavity configured to accommodate the heat exchange medium is disposed inside each of the thermal management components so that temperatures of the battery cells are adjusted by using the thermal management component; and a bottom plate disposed on a side of the plurality of thermal management components along a third direction and connected with at least one thermal management component, where the first direction, the second direction, and the third direction are perpendicular to each other.
H01M 10/658 - Moyens de commande de la température associés de façon structurelle avec les éléments par isolation ou protection thermique
H01M 50/209 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules prismatiques ou rectangulaires
H01M 50/249 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux aéronefs ou aux véhicules, p. ex. aux automobiles ou aux trains
26.
POSITIVE ELECTRODE ACTIVE MATERIAL, ELECTROCHEMICAL APPARATUS, AND ELECTRONIC DEVICE
A positive electrode active material includes a conductive base material and an active substance distributed at the conductive base material. The active substance has a core-shell structure including a core layer material and a shell layer material. The conductive base material includes a carbon material, the core layer material includes a phosphate-based sodium salt material, and the shell layer material includes a metal oxide.
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
C01B 25/45 - Phosphates contenant plusieurs métaux ou un métal et l'ammonium
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/48 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 10/054 - Accumulateurs à insertion ou intercalation de métaux autres que le lithium, p. ex. au magnésium ou à l'aluminium
27.
ADHESIVE APPLICATION DEVICE AND ADHESIVE APPLICATION METHOD
A material storage assembly for storing adhesive films is disposed on a rack. A first positioning assembly is disposed on the material storage assembly and at least partially moves together with the material storage assembly to position the adhesive films. A material picking assembly disposed on the rack has parts for picking up the adhesive films placed in the material storage assembly. A release paper removal assembly disposed on the rack is configured to remove release papers of the adhesive films. A material preparation platform connected to the rack is configured to bear the adhesive films with the release papers removed, the picking parts are capable of reciprocating between the material storage assembly the release paper removal assembly and the material preparation platform. A second positioning assembly is disposed on the material preparation platform and at least partially moves together with the material preparation platform.
Embodiments of this application provide an electrode assembly, a battery cell, a battery, an electric device, and a method for manufacturing a separator, and pertain to the field of battery technologies. The electrode assembly includes a positive electrode plate, a negative electrode plate, and a separator, and the separator is disposed between the positive electrode plate and the negative electrode plate; and the separator includes a first section, a second section, and a third section arranged sequentially in a width direction of the separator, and a porosity of the second section is less than both a porosity of the first section and a porosity of the third section. The electrode assembly provided by the embodiments of this application includes a separator with different porosities in different sections, which can alleviate precipitation of metal ions in the electrode assembly.
B60L 50/60 - Propulsion électrique par source d'énergie intérieure au véhicule utilisant de la puissance de propulsion fournie par des batteries ou des piles à combustible utilisant de l'énergie fournie par des batteries
B60R 16/033 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour l'alimentation des sous-systèmes du véhicule en énergie électrique caractérisé par l'utilisation de cellules électriques ou de batteries
H01M 10/0585 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure plats, c.-à-d. des électrodes positives plates, des électrodes négatives plates et des séparateurs plats
H01M 10/0587 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure enroulés, c.-à-d. des électrodes positives enroulées, des électrodes négatives enroulées et des séparateurs enroulés
H01M 50/103 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique prismatique ou rectangulaire
29.
NEGATIVE ELECTRODE PLATE, SECONDARY BATTERY, AND POWER CONSUMING APPARATUS
A negative electrode active material layer includes a first part and a second part in a thickness direction, and the first part is a part close to a negative electrode current collector is described. During charging of a battery, a lithiation state at the second part is higher, and a lithiation state at the first part is lower. When a mass percentage of a silicon-based material in the first part is greater than a mass percentage of a silicon-based material in the second part, expansion of the silicon-based material in the negative electrode active material layer can be alleviated. Charging and discharging of the battery can be met without full intercalation for the silicon-based material in the first part, and the silicon-based material in the first part does not need to operate at full load.
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
B60L 50/64 - Détails de construction des batteries spécialement adaptées aux véhicules électriques
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/48 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques
H01M 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
A battery cell, a battery, and an electrical device are provided. The battery cell includes a housing and a core assembly. The housing has a first pole positioned within a mounting hole, with a first soldering surface. The core assembly comprises an active material coating portion and a conductive portion, which includes a second soldering surface in contact with the first soldering surface. A portion of the second soldering surface is soldered to the first soldering surface via a soldering portion. When projected onto a plane at the mounting hole's cross-section, the outer contour of the second soldering surface is within the outer contour of the first soldering surface. This design improves fast charging performance, reliability, and stability.
B60L 50/64 - Détails de construction des batteries spécialement adaptées aux véhicules électriques
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 50/103 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique prismatique ou rectangulaire
H01M 50/15 - Couvercles caractérisés par leur forme pour des cellules prismatiques ou rectangulaires
H01M 50/474 - Éléments d'espacement à l'intérieur des cellules autres que les séparateurs, les membranes ou les diaphragmesLeurs procédés de fabrication caractérisés par leur position dans les cellules
H01M 50/536 - Connexions d’électrodes dans un boîtier de batterie caractérisées par le procédé de fixation des conducteurs aux électrodes, p. ex. soudage
H01M 50/538 - Connexions de plusieurs conducteurs ou languettes d’électrodes empilées enroulées ou pliées
H01M 50/54 - Connexion de plusieurs conducteurs ou languettes d’électrodes empilées en forme de plaque, p. ex. barrettes ou ponts de pôles d’électrode
H01M 50/566 - Bornes caractérisées par leur procédé de fabrication par soudage, brasage ou brasage tendre
A battery cell, a battery, and an electrical device are provided. The battery cell includes a housing, a core assembly, a support positioned at one end of the core assembly, and an insulating member configured to match the support and wrap the core assembly. The core assembly, support, and insulating member are contained within the housing, with at least a portion of the insulating member connected to a wall surface of the support that is distal to the core assembly. This configuration enhances the connection reliability between the insulating member and the support, reduces the risk of the insulating member detaching, minimizes housing corrosion due to core assembly exposure, mitigates core assembly failure, and decreases the likelihood of electrolyte leakage, thereby improving the reliability and stability of the battery cell.
A battery cell, a battery, and an electrical device are disclosed. The battery cell includes an electrode assembly. The electrode assembly includes a first electrode plate. The first electrode plate includes a first substrate. The first substrate includes a first insulation layer at an edge of the first substrate.
A battery includes a battery cell, a first box including a first end wall, and a second box enclosing and forming a closed space for accommodating the battery cell together with the first box, the second box includes a second end wall and two third side walls, the second end wall is disposed opposite to the first end wall along a first direction, and the two third side walls are disposed opposite to each other along a third direction and connected to the second end wall. The third side wall includes a third surface facing the closed space, a fourth surface facing away from the closed space and a second side surface connecting the third surface and the fourth surface; and the second side surface includes a flat surface and a transition surface for hermetic connection with the first box, which are connected and have a smooth transition.
H01M 50/202 - Boîtiers ou cadres autour du boîtier primaire d’une seule cellule ou d’une seule batterie
H01M 50/244 - Boîtiers secondairesBâtisDispositifs de suspensionDispositifs de manutentionSupports caractérisés par leur procédé de montage
H01M 50/249 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux aéronefs ou aux véhicules, p. ex. aux automobiles ou aux trains
H01M 50/262 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports avec des moyens de fixation, p. ex. des serrures
H01M 50/271 - Couvercles des boîtiers secondaires, des bâtis ou des blocs
34.
SILICON-BASED NEGATIVE ELECTRODE ACTIVE MATERIAL, SECONDARY BATTERY, AND ELECTRIC DEVICE
A silicon-based negative electrode active material and a method of preparing the same. The silicon-based negative electrode active material includes silicate containing alkaline earth metal elements, and the silicon-based negative electrode active material contains both K element and P element. The method includes providing raw materials containing Si element, O element, K element, P element, and alkaline earth metal element, using a vapor deposition method to heat the raw materials to form vapor and then cool the vapor to form a deposit, and pulverizing the deposit to obtain a pulverized product.
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
35.
BATTERY CELL, METHOD AND SYSTEM FOR MANUFACTURE SAME, BATTERY, AND POWER CONSUMING DEVICE
A battery cell, a method and system for manufacturing the battery cell, a battery, and a power consuming device are provided. The battery cell comprises: an electrode assembly comprising a first tab, wherein the first tab is arranged around a central axis of the electrode assembly; a housing configured to accommodate the electrode assembly, wherein the housing comprises a barrel and a cover connected to the barrel, the barrel is arranged around a periphery of the electrode assembly, the cover is provided with an electrode lead-out hole, the central axis extends in a first direction and passes through the electrode lead-out hole, the first tab comprises a first annular portion, and a projection of the first annular portion in the first direction does not overlap with a projection of the electrode lead-out hole in the first direction; and an electrode terminal comprising a columnar portion.
H01M 50/179 - Dispositions pour introduire des connecteurs électriques dans ou à travers des boîtiers adaptées à la forme des cellules pour des cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
H01M 50/107 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique ayant une section transversale courbe, p. ex. ronde ou elliptique
H01M 50/474 - Éléments d'espacement à l'intérieur des cellules autres que les séparateurs, les membranes ou les diaphragmesLeurs procédés de fabrication caractérisés par leur position dans les cellules
H01M 50/533 - Connexions d’électrodes dans un boîtier de batterie caractérisées par la forme des conducteurs ou des languettes
H01M 50/538 - Connexions de plusieurs conducteurs ou languettes d’électrodes empilées enroulées ou pliées
H01M 50/566 - Bornes caractérisées par leur procédé de fabrication par soudage, brasage ou brasage tendre
36.
POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRIC DEVICE
Embodiments of this application relate to a positive electrode active material, a positive electrode plate, a secondary battery, and an electric device. The positive electrode active material includes a first active material and a second active material. The first active material includes a compound having a molecular formula of Li1+xFe1−yAyP1−zQzO4 and a modified compound thereof. The second active material includes a compound having a molecular formula of LihNijCokM1dM2eOfRg and a modified compound thereof. The embodiments of this application can improve capacity utilization and cycle performance of a secondary battery.
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/136 - Électrodes à base de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFy
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
A secondary battery and an electrical device comprising the secondary battery. The secondary battery includes a negative electrode sheet including a silicon-carbon composite material having a three-dimensional-network cross-linked pore structure, and an electrolyte including a first component including a cyclic functional group containing a sulfate group or a sulfonate group.
An electrode assembly comprises a plurality of structural units laminated in a first direction, the structural unit comprising a first plate and a second plate. The first electrode plate comprises a bending section and a plurality of straight sections, and two adjacent straight sections are spaced apart in a first direction and connected to one bent section. The second plate has a polarity opposite to that of the first plate, and alternates with the straight sections in the first direction.
H01M 10/0585 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure plats, c.-à-d. des électrodes positives plates, des électrodes négatives plates et des séparateurs plats
H01M 4/13 - Électrodes pour accumulateurs à électrolyte non aqueux, p. ex. pour accumulateurs au lithiumLeurs procédés de fabrication
H01M 50/46 - Séparateurs, membranes ou diaphragmes caractérisés par leur combinaison avec des électrodes
39.
LOCKING MECHANISM, BATTERY ASSEMBLY, ELECTRIC DEVICE, AND LOCKING APPARATUS
A locking mechanism includes a locking member and an adjustment assembly. Along a second direction, a dimension of the locking member is adjustable to enable the locking member to have a locked state and an unlocked state; the locking member is configured to engage with a lock seat when in the locked state so that the locking mechanism engages with the lock seat along a first direction; and the locking member is configured to disengage from the lock seat when in the unlocked state to allow the locking mechanism to disengage from the lock seat along the first direction. The adjustment assembly is connected to the locking member, and the adjustment assembly can adjust the dimension of the locking member in the second direction to switch the locking member between the locked state and the unlocked state.
H01M 50/264 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports avec des moyens de fixation, p. ex. des serrures pour des cellules ou des batteries, p. ex. cadres périphériques, courroies ou tiges
H01M 50/249 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux aéronefs ou aux véhicules, p. ex. aux automobiles ou aux trains
Disclosed in the present disclosure are a battery cell, a battery and an electrical apparatus. The battery cell comprises a casing, an electrode assembly and an end cover assembly. The casing is provided with an accommodating chamber and an opening, the electrode assembly being arranged in the accommodating chamber, and the end cover assembly covering the opening. The electrode assembly comprises a positive electrode sheet, the positive electrode sheet comprising a positive electrode current collector and a positive electrode film layer located on at least one side of the positive electrode current collector. The positive electrode film layer comprises a positive electrode active material, the positive electrode active material comprising a layered lithium-containing transition metal oxide of monocrystal morphology. The bursting strength between the casing and the end cover assembly is greater than or equal to 1.2 MPa. The present disclosure can reduce exploding and bursting conditions occurring in thermal runaway processes of battery cells, and allows the battery cells to have high energy density and high reliability.
A battery and an electric device are described. The battery includes battery cells stacked in a first direction, including two first battery cells located at two ends in the first direction. Two adjacent battery cells are located between the two first battery cells with at least one first thermal management component, and one side of at least one of the first battery cells away from the first thermal management component in the first direction comprises at least one second thermal management component. In the first direction, the thickness of the at least one second thermal management component is less than that of the at least one first thermal management component, so that the amount by which the at least one second thermal management component may be compressed in the first direction matches the expansion amount of the first battery cell in the direction away from the first thermal management component.
A battery and an electric device are described. The battery comprises a positive electrode sheet. The positive electrode sheet contains a first positive electrode active material and a second positive electrode active material, and satisfies formula (I)
A battery and an electric device are described. The battery comprises a positive electrode sheet. The positive electrode sheet contains a first positive electrode active material and a second positive electrode active material, and satisfies formula (I)
0.1
<
A
×
B
C
×
R
≤
0.75
wherein A represents the mass percentage of the second positive electrode active material in the two positive electrode active materials; B represents the proportion, in the whole charging capacity, of charging capacity at 3.7 V or below of the second positive electrode active material measured by a single-particle microelectrode method; C represents the proportion, in the whole charging capacity, of charging capacity at 3.7 V or below of the battery; and R represents the resistance of the positive electrode sheet at 25° C., and the unit of R is Ω.
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
A battery cell, a battery, and a power consuming device are described. The battery cell includes a housing, an electrode terminal, and a protective member. The housing includes a first end wall, the electrode terminal is disposed on the first end wall, the protective member covers an outer surface of the first end wall, a first through hole is provided on the protective member, and the first through hole is configured to expose the electrode terminal. A cavity configured to store liquid is formed between the protective member and the first end wall. The battery cell has relatively high reliability.
H01M 50/103 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique prismatique ou rectangulaire
H01M 50/15 - Couvercles caractérisés par leur forme pour des cellules prismatiques ou rectangulaires
H01M 50/588 - Moyens pour empêcher un usage ou une décharge indésirables pour empêcher les contacts incorrects à l’intérieur ou à l’extérieur des batteries à l’extérieur des batteries, p. ex. les contacts incorrects des bornes ou des barres omnibus
H01M 50/682 - Récipients pour stockage de liquidesConduits de refoulement à cet effet logés dans les boîtiers de la batterie ou de la cellule
The present application provides a photovoltaic array test method and system, the method being applied to a photovoltaic array test system. The photovoltaic array test method comprises: obtaining the quantity of photovoltaic branches connected in a photovoltaic array; determining a reference electrical parameter according to the quantity of the photovoltaic branches and electrical parameters of the photovoltaic branches; if the photovoltaic array is electrically connected to the photovoltaic array test system, monitoring a test electrical parameter of the photovoltaic array; and determining a test result of the photovoltaic array according to the test electrical parameter and the reference electrical parameter.
H02S 50/10 - Tests de dispositifs PV, p. ex. de modules PV ou de cellules PV individuelles
G01R 17/02 - Dispositions dans lesquelles la valeur à mesurer est automatiquement comparée à une valeur de référence
G01R 19/165 - Indication de ce qu'un courant ou une tension est, soit supérieur ou inférieur à une valeur prédéterminée, soit à l'intérieur ou à l'extérieur d'une plage de valeurs prédéterminée
45.
POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRICAL DEVICE
A positive electrode plate includes a positive active material layer. The positive active material layer includes a first positive active material and a second positive active material. The first positive active material and the second positive active material each independently include a lithium-containing transition metal oxide. An outer surface of the second positive active material includes a passivation layer; and/or an average particle diameter Dv50 of the second positive active material is greater than an average particle diameter Dv50 of the first positive active material.
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
46.
PRESS PLATE MODULE, PRODUCTION LINE, AND CONTROL METHOD
A press plate module, a production line, and a control method are provided. The press plate module includes a press plate assembly and a mounting seat assembly. One of the mounting seat assembly and the press plate assembly is provided with a stop element, and the other is provided with a stop surface. The stop element is selectively extendable and retractable, and the press plate module includes a locked state and an unlocked state. In the locked state, the stop element is in an extended state and abuts against the stop surface, such that the press plate assembly is fixed with the mounting seat assembly, and the mounting seat assembly drives the press plate assembly to move, such that the press plate assembly presses against or separates from a battery. In the unlocked state, the stop element is in a retracted state and separated from the stop surface.
B23K 37/04 - Dispositifs ou procédés auxiliaires non spécialement adaptés à un procédé couvert par un seul des autres groupes principaux de la présente sous-classe pour maintenir ou mettre en position les pièces
B23K 101/36 - Dispositifs électriques ou électroniques
A battery cell comprises: an electrode assembly, comprising: a positive electrode plate comprising a positive electrode current collector and a positive electrode active material layer at least located on the surface on one side of the positive electrode current collector; a negative electrode plate comprising a negative electrode current collector; a separator located between the positive electrode plate and the negative electrode plate; and an insulating member located at one end of the negative electrode plate and/or the positive electrode plate that is not covered by the separator.
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H01M 10/054 - Accumulateurs à insertion ou intercalation de métaux autres que le lithium, p. ex. au magnésium ou à l'aluminium
H01M 10/0587 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure enroulés, c.-à-d. des électrodes positives enroulées, des électrodes négatives enroulées et des séparateurs enroulés
H01M 50/474 - Éléments d'espacement à l'intérieur des cellules autres que les séparateurs, les membranes ou les diaphragmesLeurs procédés de fabrication caractérisés par leur position dans les cellules
H01M 50/489 - Séparateurs, membranes, diaphragmes ou éléments d’espacement dans les cellules caractérisés par leurs propriétés physiques, p. ex. degré de gonflement, hydrophilicité ou propriétés pour court-circuiter
48.
THERMAL MANAGEMENT COMPONENT, BATTERY, AND ELECTRIC DEVICE
A thermal management component includes a bottom wall and two side walls, where the two side walls are arranged opposite each other on two sides of the bottom wall along a first direction, and the bottom wall and the two side walls jointly enclose an accommodating cavity for accommodating a battery cell; and a first flow channel is formed inside the bottom wall, a second flow channel is formed inside both the two side walls, and the first flow channel and the second flow channel are used for accommodating a heat exchange medium for adjusting a temperature of the battery cell; where a transition part is provided at bends of the bottom wall and the two side walls, a communicating flow channel is formed inside the transition part, and the communicating flow channel communicates the first flow channel and the second flow channel.
H01M 10/6568 - Liquides caractérisés par des circuits d'écoulement. p. ex. boucles, situés à l'extérieur des éléments ou des boîtiers des éléments
B60L 50/60 - Propulsion électrique par source d'énergie intérieure au véhicule utilisant de la puissance de propulsion fournie par des batteries ou des piles à combustible utilisant de l'énergie fournie par des batteries
H01M 10/613 - Refroidissement ou maintien du froid
This application provides a lower box body of a battery, the battery, and an electric apparatus. The lower box body of a battery includes a bottom protection plate; a side beam, where the bottom protection plate and the side beam jointly define a mounting space for mounting a battery cell of the battery, an assembly cavity is provided in the side beam, a reinforcing structure is disposed in the assembly cavity, and the reinforcing structure and the side beam are integrally formed to divide the assembly cavity into a plurality of sub-cavities; and a fastener, where the fastener penetrates a bottom wall of the side beam and the bottom protection plate and is connected to the reinforcing structure, so as to assemble the bottom protection plate at the side beam.
H01M 10/6556 - Composants solides comprenant des canaux d'écoulement ou des tubes pour un échange de chaleur
H01M 50/249 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux aéronefs ou aux véhicules, p. ex. aux automobiles ou aux trains
H01M 50/262 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports avec des moyens de fixation, p. ex. des serrures
50.
POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREOF, POSITIVE ELECTRODE PLATE, LITHIUM-ION SECONDARY BATTERY, AND BATTERY MODULE, BATTERY PACK, AND APPARATUS CONTAINING SUCH LITHIUM-ION SECONDARY BATTERY
A positive electrode active material and a preparation method thereof, a positive electrode plate, a lithium-ion secondary battery, and a battery module, battery pack, and apparatus containing such lithium-ion secondary battery are provided. The positive electrode active material includes matrix particles and a coating layer covering an exterior surface of the matrix particle, where the matrix particle includes a lithium nickel cobalt manganese oxide, and the coating layer includes an oxide of element M1; the matrix particle is doped with element M2 and element M3, element M2 in the matrix particle is uniformly distributed, and element M3 in the matrix particle has a decreasing concentration from the exterior surface to a core of the matrix particle; and element M1 and element M3 are each independently selected from one or more of Mg, Al, Ca, Ba, Ti, Zr, Zn, and B, and element M2 includes one or more of Si, Ti, Cr, Mo, V, Ge, Se, Zr, Nb, Ru, Rh, Pd, Sb, Te, Ce, and W.
C01G 53/44 - Oxydes complexes contenant du nickel et au moins un autre élément métallique contenant des métaux alcalins, p. ex. LiNiO2 contenant du manganèse
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
51.
POSITIVE ELECTRODE PLATE, BATTERY, AND ELECTRICAL DEVICE
A positive electrode plate, a battery, and an electrical device are provided. The positive electrode plate includes a first positive electrode active material and a second positive electrode active material, where the first positive electrode active material includes a compound LixNiyCozMkMepOrEs, and the second positive electrode active material includes a compound LiaAbMn1-cBcP1-dRdO4-nDn, where the following is satisfied: 0.90≤m/n≤1.20.
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
A nonaqueous electrolyte solution is described. The nonaqueous electrolyte solution includes at least one additive represented by general formula I and Na and/or K ions. The nonaqueous electrolyte solution is configured to prepare a lithium secondary battery, and can improve a cycle life of the lithium secondary battery at relatively high temperature, reduce a volume expansion rate of the lithium secondary battery stored at high temperature for a long time, and in turn, improve a capacity retention rate of the lithium secondary battery stored at relatively high temperature for a long time. A lithium secondary battery containing the nonaqueous electrolyte solution and an electrical device containing the lithium secondary battery are described.
H01M 10/0567 - Matériaux liquides caracterisés par les additifs
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 10/0568 - Matériaux liquides caracterisés par les solutés
53.
CURRENT COLLECTOR AND PREPARATION METHOD THEREFOR, ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRIC DEVICE
A current collector may include a porous three-dimensional framework and a lithiophilic substance, where the lithiophilic substance may be distributed in pores of the porous three-dimensional framework. The current collector may include a first side used to face the separator, and a second side facing away from the first side. In a direction from the first side to the second side, the porous three-dimensional framework may include a first part and a second part, the thickness of the lithiophilic substance in the pores of the first part being less than the thickness of the lithiophilic substance in the pores of the second part. The thickness of the lithiophilic substance in the current collector may gradually increase in a thickness direction of the porous three-dimensional framework.
Provided are a thermal management component, a thermal management assembly, a battery, and an electric device. The thermal management component includes two straight walls and two bent walls. The two straight walls are arranged oppositely along a first direction. Each of the two bent walls is connected to one end of the straight walls along a second direction, where the second direction is perpendicular to the first direction. The two bent walls and the two straight walls enclose to form a holding space, and the holding space is configured to contain a heat exchange medium.
A secondary battery. The secondary battery includes a negative electrode plate and an electrolyte solution. The negative electrode plate of the secondary battery includes a silicon-carbon composite material having a three-dimensional network cross-linked pore structure; and the electrolyte solution of the secondary battery includes a cyclic carbonate compound shown in formula I.
H01M 10/0569 - Matériaux liquides caracterisés par les solvants
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
H01M 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
56.
ELECTRODE ASSEMBLY AND ITS FORMING METHOD AND MANUFACTURING SYSTEM, SECONDARY BATTERY, BATTERY MODULE AND DEVICE
The disclosure relates to an electrode assembly and its forming method and a manufacturing system, a secondary battery, a battery module and a device. The electrode assembly includes: a first electrode plate including a plurality of bending sections and a plurality of stacked first stacking sections, each bending section being configured to connect two adjacent first stacking sections, herein the bending section includes a guiding portion for guiding the bending section to be bent during production; and a second electrode plate with a polarity opposite to that of the first electrode plate, the second electrode plate including a plurality of second stacking sections, and each second stacking section being disposed between two adjacent first stacking sections.
An electrolyte for a sodium-ion secondary battery, a sodium-ion secondary battery, and an electric apparatus. The electrolyte for the sodium-ion secondary battery comprises a metal sodium salt and a solvent, wherein the desolvation energy of a sodium ion-solvent complex formed by sodium ions of the metal sodium salt and the solvent is less than or equal kJ/mol. In this way, the reaction kinetics of the sodium-ion secondary battery at a low temperature can be improved, and the low-temperature performance of the sodium-ion secondary battery is improved.
H01M 10/0569 - Matériaux liquides caracterisés par les solvants
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/1393 - Procédés de fabrication d’électrodes à base de matériau carboné, p. ex. composés au graphite d'intercalation ou CFx
H01M 4/1397 - Procédés de fabrication d’électrodes à base de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFy
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
H01M 4/583 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx
H01M 10/054 - Accumulateurs à insertion ou intercalation de métaux autres que le lithium, p. ex. au magnésium ou à l'aluminium
H01M 10/0568 - Matériaux liquides caracterisés par les solutés
58.
SEPARATOR, SECONDARY BATTERY, AND ELECTRICAL APPARATUS
The present application provides a separator, which includes a first base film and a second base film, where the melting point of the second base film is lower than the melting point of the first base film; the porosity of the first base film is denoted as P1, the porosity of the second base film is denoted as P2, and 1.02≤P1/P2≤3. The base film with high porosity has good air permeability, so the first base film with high porosity exhibits excellent air permeability. The base film with low porosity has good strength, so the second base film with low porosity exhibits good strength and is not easily punctured by lithium dendrites. Therefore, through the cooperation of the first base film and the second base film in the present application, the separator has good air permeability and strength, thus improving the reliability and cycling performance of the secondary battery.
Provided in the present application are a positive electrode active material and a preparation method therefor, a secondary battery, a battery module, a battery pack and an electric device. The positive electrode active material is used as a positive electrode active material for a secondary battery and comprises a carbon-material-compounded iron-based polyanionic compound and a magnesium-containing oxide, wherein the iron-based polyanionic compound has the following general formula: Na4Fe3-xMxMgy(PO4)2P2O7, where M comprises a transition metal element, 0≤x≤0.5, and 0
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
C01B 25/45 - Phosphates contenant plusieurs métaux ou un métal et l'ammonium
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
H01M 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
H01M 10/054 - Accumulateurs à insertion ou intercalation de métaux autres que le lithium, p. ex. au magnésium ou à l'aluminium
60.
ELECTRODE ASSEMBLY AND RELATED BATTERY, DEVICE, MANUFACTURING METHOD, AND MANUFACTURING DEVICE
An electrode assembly and related battery, device, manufacturing method, and manufacturing device are provided. In some embodiments, the electrode assembly includes: a first electrode plate and a second electrode plate that are of opposite polarities, where an active material region of the first electrode plate and an active material region of the second electrode plate are wound to form a body portion, a non-active material region of the first electrode plate or a non-active material region of the second electrode plate is wound to form a tab, and the tab includes a bend portion bent against the body portion; and a guide piece. At least a part of the guide piece is located in the bend portion, and the guide piece is configured to guide an electrolytic solution into an interior of the body portion.
H01M 50/538 - Connexions de plusieurs conducteurs ou languettes d’électrodes empilées enroulées ou pliées
H01M 10/0587 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure enroulés, c.-à-d. des électrodes positives enroulées, des électrodes négatives enroulées et des séparateurs enroulés
61.
POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, SECONDARY BATTERY AND ELECTRIC DEVICE
A positive electrode material and a preparation method therefor, a positive electrode sheet, a secondary battery and an electric device. The positive electrode material comprises a conductive substrate material and an active material distributed on the conductive substrate material, wherein the active material comprises a nanoscale phosphate active material, and the conductive substrate material comprises doping-element-modified graphene; and based on the total weight of the positive electrode material, the weight content of the active material is 75-95%, and the weight content of the conductive substrate material is 5-25%. The positive electrode material is prepared by using the doping-element-modified graphene as a substrate material for loading nanoparticles of the phosphate active material; therefore, the agglomeration of the nanoscale phosphate positive electrode material can be reduced, the wettability of an electrolyte on the active material is improved, and the cycle performance of the positive electrode material is improved.
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
The present disclosure provides a battery cell, a battery, and an electric apparatus. The battery cell comprises an electrode assembly and an electrolyte, wherein the electrode assembly comprises a negative electrode sheet; the negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer located on at least one side of the negative electrode current collector; the negative electrode film layer comprises a negative electrode active material; the negative electrode active material comprises a silicon-carbon composite material, and the silicon-carbon composite material comprises a carbon material matrix having a pore structure and a silicon-based material located in the pore structure of the carbon material matrix; and a ratio of the mass of the electrolyte to the capacity of the battery cell is 1.2 g/Ah-2.0 g/Ah. The battery of the present disclosure can achieve both high energy density and excellent cycle performance.
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
Provided are an electrolyte, a battery, and a power-consuming device. The electrolyte is applicable to a lithium metal secondary battery. The electrolyte includes a lithium salt and a solvent. The solvent includes an epoxy compound substituted with a fluoroalkyl chain. Therefore, the use of the electrolyte including the epoxy compound substituted with the fluoroalkyl chain can improve cycle stability on both a positive electrode side and a negative electrode side of the battery, prolonging a cycle life of the battery.
H01M 10/0569 - Matériaux liquides caracterisés par les solvants
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 10/0567 - Matériaux liquides caracterisés par les additifs
64.
POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREOF, POSITIVE ELECTRODE PLATE, LITHIUM-ION SECONDARY BATTERY, AND BATTERY MODULE, BATTERY PACK, AND APPARATUS CONTAINING SUCH LITHIUM-ION SECONDARY BATTERY
A positive electrode active material and a preparation method thereof, a positive electrode plate, a lithium-ion secondary battery, and a battery module, battery pack, and apparatus containing such lithium-ion secondary battery are provided. The positive electrode active material includes matrix particles and a coating layer covering an exterior surface of the matrix particle, where the matrix particle includes a lithium nickel cobalt manganese oxide, and the coating layer includes an oxide of element M1; the matrix particle is doped with element M2 and element M3, element M2 in the matrix particle is uniformly distributed, and element M3 in the matrix particle has a decreasing concentration from the exterior surface to a core of the matrix particle; and element M1 and element M3 are each independently selected from one or more of Mg, Al, Ca, Ba, Ti, Zr, Zn, and B, and element M2 includes one or more of Si, Ti, Cr, Mo, V, Ge, Se, Zr, Nb, Ru, Rh, Pd, Sb, Te, Ce, and W.
C01G 53/44 - Oxydes complexes contenant du nickel et au moins un autre élément métallique contenant des métaux alcalins, p. ex. LiNiO2 contenant du manganèse
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
65.
POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREOF, POSITIVE ELECTRODE PLATE, LITHIUM-ION SECONDARY BATTERY, AND BATTERY MODULE, BATTERY PACK, AND APPARATUS CONTAINING SUCH LITHIUM-ION SECONDARY BATTERY
A positive electrode active material and a preparation method thereof, a positive electrode plate, a lithium-ion secondary battery, and a battery module, battery pack, and apparatus containing such lithium-ion secondary battery are provided. The positive electrode active material includes matrix particles and a coating layer covering an exterior surface of the matrix particle, where the matrix particle includes a lithium nickel cobalt manganese oxide, and the coating layer includes an oxide of element M1; the matrix particle is doped with element M2 and element M3, element M2 in the matrix particle is uniformly distributed, and element M3 in the matrix particle has a decreasing concentration from the exterior surface to a core of the matrix particle; and element M1 and element M3 are each independently selected from one or more of Mg, Al, Ca, Ba, Ti, Zr, Zn, and B, and element M2 includes one or more of Si, Ti, Cr, Mo, V, Ge, Se, Zr, Nb, Ru, Rh, Pd, Sb, Te, Ce, and W.
C01G 53/44 - Oxydes complexes contenant du nickel et au moins un autre élément métallique contenant des métaux alcalins, p. ex. LiNiO2 contenant du manganèse
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
66.
SEPARATOR, PREPARATION METHOD THEREOF, SECONDARY BATTERY, AND ELECTRIC APPARATUS
This application provides a separator including a first base film and a second base film, where a melting point of the second base film is lower than a melting point of the first base film, and a swelling rate of the first base film is smaller than a swelling rate of the second base film. By cooperation of the two layers of base film structures, in a use environment of the separator, even if one layer of base film loses the insulation performance due to swelling, the other layer of base film can complement the performance, reducing the risk of short circuits between electrodes and also enhancing the strength of the separator, thereby improving the reliability of the battery in long-term service life.
The positive electrode material composition comprises a phosphate positive electrode material and a ternary positive electrode material, the weight of the phosphate positive electrode material is recorded as W1, the weight of the ternary positive electrode material is recorded as W2, α=W1/(W1+W2), 3%≤α≤50%, the phosphate positive electrode material is a single crystal material or has a single crystal core, and the ternary positive electrode material is a single crystal material or has a single crystal core. The phosphate positive electrode material has the advantages of strong stability of a phosphate polyanion material, good cycle stability and long service life, and the ternary positive electrode material has high energy density. A single crystal material has small BET specific surface area, stable structure, large compaction density, and better high-temperature storage performance.
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/136 - Électrodes à base de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFy
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
68.
CURRENT COLLECTOR AND PREPARATION APPARATUS THEREOF, ELECTRODE PLATE, BATTERY, AND ELECTRICAL DEVICE
An embodiment of this application provides a current collector and a preparation apparatus thereof, an electrode plate, a battery, and an electrical device. The current collector includes a main region and a tab region disposed along a first direction. The main region includes a first metal. The first metal includes at least one of Ni, Fe, or stainless steel. The tab region includes a second metal. The second metal includes at least one of Cu, Ag, Au, or W, and optionally includes Cu.
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
69.
USE OF COMPOUND AS ELECTROLYTE ADDITIVE, ELECTROLYTE, BATTERY AND ELECTRICAL APPARATUS
Provided a method using of a compound as an electrolyte additive, an electrolyte, a battery and an electrical apparatus. The present application relates to the use of a compound shown in Formula I as an electrolyte additive. The compound in the present application can capture byproducts generated from oxidative decomposition products of electrolytes, thereby suppressing the increase in the interface impedance of negative electrode plates, and further improving the capacity and cycling performance of batteries.
Provided are a battery and an electrical equipment. The battery includes a battery pack, a first thermal management component, and thermal insulating member. The battery pack comprises multiple battery cells; along a first direction, the first thermal management component is arranged on one side of the battery pack, and the first thermal management component is configured to manage a temperature of the battery pack. Along the first direction, the thermal insulating member is positioned on the side of the first thermal management component facing away from the battery pack. A thermal insulating member is provided on the first thermal management component, and the thermal insulating member is located on the side of the first thermal management component facing away from the battery pack in the first direction.
H01M 10/647 - Éléments prismatiques ou plans, p. ex. éléments de type poche
H01M 50/209 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules prismatiques ou rectangulaires
71.
POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE POLE PIECE, SECONDARY BATTERY, AND ELECTRICAL APPARATUS
A positive electrode active material comprises: an aggregate material, the chemical formula of the aggregate material being LiaNixCoyM1-x-yO2-b, wherein 0.6≤a≤1.2, 0.6≤x≤1, 0≤y≤0.4, and −0.1≤b≤0.1, and M comprises one or more of Mn, Al, B, Zr, Sr, Y, Sb, W, Ti, Mg, Nb, and Mo; primary particles of the aggregate material have a particles size of 100-600 nm, and the particle size distribution of the aggregate material satisfies (Dv90-Dv10)/Dv50≥1.6.
C01G 53/506 - Oxydes complexes contenant du nickel et au moins un autre élément métallique contenant des métaux alcalins, p. ex. LiNiO2 contenant du manganèse du type (MnO2)n-, p. ex. Li(NixMn1-x)O2 ou Li(MyNixMn1-x-y)O2 contenant du lithium et du cobalt avec le rapport molaire du nickel par rapport à tous les métaux autres que les métaux alcalins supérieur ou égal à 0,5, p. ex. Li(MzNixCoyMn1-x-y-z)O2 avec x ≥ 0,5 avec le rapport molaire du nickel par rapport à tous les métaux autres que les métaux alcalins supérieur ou égal à 0,8, p. ex. Li(MzNixCoyMn1-x-y-z)O2 avec x ≥ 0,8
72.
SECONDARY BATTERY, BATTERY MODULE, AND DEVICE USING SECONDARY BATTERY AS POWER SUPPLY
This application provides a secondary battery, a battery module, and a device using a secondary battery as a power supply. The secondary battery includes an electrode assembly, a cap assembly, and current collection members. The electrode assembly includes a main body and tabs that extend from the main body. The cap assembly includes a cap plate, electrode terminals, and an insulation baffle. The electrode terminals are disposed on the cap plate. The insulation baffle is connected to a side of the cap plate, where the side is close to the main body. The current collection members are at least partly located between the insulation baffle and the main body, and each of the current collection members includes a tab connection portion connected to one of the tabs. The insulation baffle contains a first recess.
H01M 50/533 - Connexions d’électrodes dans un boîtier de batterie caractérisées par la forme des conducteurs ou des languettes
H01M 50/204 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules
H01M 50/249 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux aéronefs ou aux véhicules, p. ex. aux automobiles ou aux trains
H01M 50/547 - Bornes caractérisées par la position des terminaux sur les cellules
H01M 50/59 - Moyens pour empêcher un usage ou une décharge indésirables pour empêcher les contacts incorrects à l’intérieur ou à l’extérieur des batteries caractérisés par les moyens de protection
73.
POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK AND ELECTRIC DEVICE
A positive electrode active material, a secondary battery, a battery module, a battery pack, and an electric device. The positive electrode active material is used as a positive electrode active material for a secondary battery, and comprises a carbon material compounded iron-based polyanionic compound and an aluminum-containing oxide, and the iron-based polyanionic compound has the following general formula: Na4Fe3−xMxAly(PO4)2P2O7/C, wherein M comprises a transition metal element, 0≤x≤0.5, and y is greater than 0 and less than 0.2. The positive electrode active material has relatively low residual alkali amount, and the battery has excellent cycle performance and rate capability.
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
H01M 10/054 - Accumulateurs à insertion ou intercalation de métaux autres que le lithium, p. ex. au magnésium ou à l'aluminium
74.
POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREOF, POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRICAL DEVICE
A positive electrode material and a preparation method thereof, a positive electrode plate, a secondary battery, and an electrical device. The positive electrode material includes a conductive substrate material and an active material distributed on the conductive substrate material. The active material includes a nanoscale phosphate active material. The conductive substrate material includes doping element-modified graphene. Based on a total mass of the positive electrode material, a mass percent of the active material is 75% to 95%, and a mass percent of the conductive substrate material is 5% to 25%. The positive electrode material is prepared by using the doping element-modified graphene as a substrate material that carries nanoparticles of the phosphate active material.
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
C01B 25/45 - Phosphates contenant plusieurs métaux ou un métal et l'ammonium
A battery cell, a battery, and an electric device are disclosed. The battery cell includes a shell, lead-out components, electrode assemblies and an insulating bracket. The shell has a first wall, and the lead-out components are connected to the first wall. The electrode assemblies are accommodated in the shell. The electrode assembly includes a main body and tabs. The tabs are provided protruding from one end of the main body facing the first wall. The tabs are connected to the lead-out components. In the thickness direction of the first wall, the insulating bracket is provided between the first wall and the main body, and the insulating bracket is fixedly connected to the lead-out components. For the battery cell of this structure, the insulating bracket can be fastened to the first wall, such that the insulating bracket is fixed in the shell.
H01M 50/15 - Couvercles caractérisés par leur forme pour des cellules prismatiques ou rectangulaires
H01M 50/176 - Dispositions pour introduire des connecteurs électriques dans ou à travers des boîtiers adaptées à la forme des cellules pour des cellules prismatiques ou rectangulaires
H01M 50/536 - Connexions d’électrodes dans un boîtier de batterie caractérisées par le procédé de fixation des conducteurs aux électrodes, p. ex. soudage
76.
SEPARATOR, METHOD FOR PREPARING THE SAME, AND SECONDARY BATTERY AND ELECTRICAL DEVICE RELATED TO THE SAME
A separator, a method for preparing the same, and a secondary battery and an electrical device related the same are described. The separator includes a porous substrate and a coating disposed on at least one surface of the porous substrate, in which the coating includes a three-dimensional skeleton structure and fillers having a porous structure, and at least part of the fillers having the porous structure is filled into the three-dimensional skeleton structure.
H01M 50/451 - Séparateurs, membranes ou diaphragmes caractérisés par le matériau ayant une structure en couches comprenant des couches de matériau organique uniquement et des couches comprenant un matériau inorganique
A material bin apparatus includes a base and a plurality of material bins. An accommodating space is formed in each material bins. The accommodating space is configured for stacking and storing a plurality of materials. The material bin includes a fixed member and a movable member. The fixed member is fixed to the base. The movable member is movably disposed on the base and defines the accommodating space with the fixed member. The movable members of at least some of the material bins can synchronously move away from or approach the fixed members.
B65H 1/14 - Supports ou magasins pour les piles dans lesquelles on prélève des articles avec moyens pour faire avancer la pile en vue de présenter les articles à un dispositif d'enlèvement comportant des dispositifs mécaniques à action directe
B65H 1/28 - Supports ou magasins pour les piles dans lesquelles on prélève des articles en compartiments, pour recevoir les piles l'une à côté de l'autre
Battery production method includes determining quantity of first battery cells based on current first production work order in process of producing products by production device in first process of battery production line; determining quantity of second battery cells; if greater than or equal to the quantity of the first battery cells, sending control instruction to first production device in the first process, and taking next first production work order as the current first production work order; determining quantity of unfinished battery packs on station device for current second production work order and sending the quantity of the unfinished battery packs to the station device in process of producing products by the station device in the second process of the battery production line; and when the quantity of the unfinished battery packs is zero, taking next second production work order as the current second production work order.
G05B 19/4155 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par le déroulement du programme, c.-à-d. le déroulement d'un programme de pièce ou le déroulement d'une fonction machine, p. ex. choix d'un programme
79.
POSITIVE ELECTRODE PLATE AND MANUFACTURING METHOD THEREFOR, BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUS
The positive electrode plate comprises a current collector, a first positive electrode active material layer, and a second positive electrode active material layer; the first positive electrode active material layer is arranged on at least one side of the current collector, and the second positive electrode active material layer is arranged on the first positive electrode active material layer; the first positive electrode active material layer comprises a first positive electrode active material, the second positive electrode active material layer comprises a second positive electrode active material, the first positive electrode active material comprises a lithium-containing phosphate of olivine structure, and the second positive electrode active material comprises a cobalt-containing lithium metal oxide. The positive electrode plate can effectively improve the influence of the concentration polarization of a battery on the performance of the battery, thereby helping to improve the capacity and cycle performance of the battery.
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
A battery and an electrical device. The battery includes: a battery cell; a first box, where the first box includes a first end wall and a first side wall; and a second box, where the second box and the first box are connected to each other to jointly enclose and form a closed space for accommodating the battery cell, the second box includes a second end wall, the second end wall is disposed opposite to the first end wall along a first direction, the second box has a first side surface in a second direction, and the first direction intersects with the second direction. One end of the first side wall is connected to the first end wall, and the other end of the first side wall is connected to the first side surface.
H01M 50/233 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par les propriétés physiques des boîtiers ou des bâtis, p. ex. dimensions
H01M 50/244 - Boîtiers secondairesBâtisDispositifs de suspensionDispositifs de manutentionSupports caractérisés par leur procédé de montage
H01M 50/262 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports avec des moyens de fixation, p. ex. des serrures
A cell feeding method includes: controlling a first conveyor line to convey inflowing cells to a first material fetching position; controlling a second conveyor line to convey inflowing cells to a second material fetching position; controlling a third conveyor line to convey inflowing cells to a side taping station, and conveying the cells subjected to side taping treatment to a third material fetching position; controlling a first feeding and grabbing mechanism to grab a first number of cells from a first material fetching position to a first feeding area in the feeder position; and controlling a second feeding and grabbing mechanism to grab a first number of cells from a target material fetching position to a second feeding area in the feeder position.
A connection structure, provided with a medium channel, at least part of the medium channel being configured for insertion of an external connector and allowing a variable axial position of the external connector relative to the medium channel. A heat exchange device, including the external connector and the connection structure, the external connector being inserted into the medium channel of the connection structure and having a variable axial position relative to the medium channel. The connection structure allows the variable axial position of the external connector relative to the medium channel, absorbs assembly tolerances caused by manufacturing tolerances and installation tolerances of components, and meanwhile reduces the number of components used and the assembly space.
The present application provides a positive electrode active material, a preparation method therefor, a secondary battery, and an electrical apparatus. The chemical formula of the positive electrode active material is LiaNixCoyM1−x−yO2, where M comprises one or more of Mn, Al, B, Zr, Sr, Y, Sb, W, Ti, Mg and Nb, 0.55≤x≤1.0, 0≤y≤0.45, 0.8≤a≤1.2, the positive electrode active material being a hollow structure, and the inner diameter d1 of the hollow structure being 0.3 μm-5 μm.
C01G 53/506 - Oxydes complexes contenant du nickel et au moins un autre élément métallique contenant des métaux alcalins, p. ex. LiNiO2 contenant du manganèse du type (MnO2)n-, p. ex. Li(NixMn1-x)O2 ou Li(MyNixMn1-x-y)O2 contenant du lithium et du cobalt avec le rapport molaire du nickel par rapport à tous les métaux autres que les métaux alcalins supérieur ou égal à 0,5, p. ex. Li(MzNixCoyMn1-x-y-z)O2 avec x ≥ 0,5 avec le rapport molaire du nickel par rapport à tous les métaux autres que les métaux alcalins supérieur ou égal à 0,8, p. ex. Li(MzNixCoyMn1-x-y-z)O2 avec x ≥ 0,8
A secondary battery comprises a negative electrode sheet and an electrolyte; where the negative electrode sheet comprises a silicon-carbon composite material having a three-dimensional network cross-linked pore structure; and the electrolyte contains a first component, the first component containing at least one of compounds represented by formula I and formula II.
A secondary battery includes a negative electrode plate and an electrolyte solution. The negative electrode plate includes a silicon-carbon composite material having a three-dimensional cross-linked pore network structure. The electrolyte solution includes a first component, and the first component includes one or more of compounds represented by Formula (I) and Formula (II) in this disclosure, in which R1, R2, R3, and R4 includes at least one of a hydrogen atom, a fluorine atom, and a fluorine-substituted or fluorine-unsubstituted C1-C4 alkyl group, and Formula (I) includes fluorine element.
A secondary battery and an electrical apparatus comprising the secondary battery. The secondary battery comprises: a negative pole piece and an electrolyte. The negative pole piece of the secondary battery comprises a silicon-carbon composite material having a three-dimensional-network cross-linked pore structure, and the electrolyte of the secondary battery comprises lithium fluorosulfonyl imide.
H01M 10/0567 - Matériaux liquides caracterisés par les additifs
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
A secondary battery and an electrical device including the secondary battery. The secondary battery includes a negative electrode and an electrolyte. The negative electrode of the secondary battery includes a silicon-carbon composite material having a three-dimensional network cross-linked pore structure, and the electrolyte of the secondary battery includes dimethyl carbonate.
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 10/054 - Accumulateurs à insertion ou intercalation de métaux autres que le lithium, p. ex. au magnésium ou à l'aluminium
A lithium secondary battery includes a positive electrode plate and a negative electrode plate; the lithium content per unit area on a single side surface of the positive electrode plate is denoted as Wa in g/m2; the lithium content per unit area on a single side surface of the negative electrode plate is denoted as Wc in g/m2; the reversible capacity per unit area on the surface of the side of the negative electrode plate facing towards the positive electrode plate is denoted as Da in mAh/m2; the first lithiation capacity per unit area on the surface of the side of the negative electrode plate facing away from the positive electrode plate is denoted as Ca in mAh/m2; and the lithium secondary battery meets the following conditions:
A lithium secondary battery includes a positive electrode plate and a negative electrode plate; the lithium content per unit area on a single side surface of the positive electrode plate is denoted as Wa in g/m2; the lithium content per unit area on a single side surface of the negative electrode plate is denoted as Wc in g/m2; the reversible capacity per unit area on the surface of the side of the negative electrode plate facing towards the positive electrode plate is denoted as Da in mAh/m2; the first lithiation capacity per unit area on the surface of the side of the negative electrode plate facing away from the positive electrode plate is denoted as Ca in mAh/m2; and the lithium secondary battery meets the following conditions:
70
%
≤
C
1
×
(
Wa
+
Wc
)
Da
≤
90
%
,
and
/
or
,
63
%
≤
C
1
×
(
Wa
+
Wc
)
Ca
≤
81
%
,
wherein C1 is the theoretical capacity, 3,861 mAh/g, of lithium metal.
A positive electrode plate includes: a positive electrode current collector and a positive electrode active material layer disposed on a surface of at least one side of the positive electrode current collector and including a positive electrode active material. The positive electrode active material includes a sodium-containing positive electrode active material. A thickness of the positive active plate satisfies that Dmax/Dmin is 104.5% to 300%, where for a battery assembled from the positive electrode plate and a negative electrode plate, Dmax is a thickness of the positive electrode plate of the battery at 0% SOC, and Dmin is a thickness of the positive electrode plate of the battery at 100% SOC. The negative electrode plate includes a negative electrode current collector, and when the battery is at 100% SOC, a surface of at least one side of the negative electrode current collector has a sodium metal layer.
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/485 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques d'oxydes ou d'hydroxydes mixtes pour insérer ou intercaler des métaux légers, p. ex. LiTi2O4 ou LiTi2OxFy
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
A separator is provided, comprising a first porous base film, a second porous base film, and a porous coating positioned between the first and second porous base films. The porous coating includes a binder and filler particles. At least a portion of the filler particles is embedded into the first porous base film and/or the second porous base film to a depth of at least 1 μm. The binder facilitates adhesion between the porous coating and the base films. The embedding of filler particles enhances the bonding strength between the porous coating and the base films, which in turn improves the separator's thermal stability and resistance to nail penetration. These improvements contribute to enhanced safety and reliability of the battery incorporating the separator.
Embodiments of this application provide a positive electrode active material, a battery cell, a battery, and a power consuming apparatus. The positive electrode active material includes: a matrix, where a chemical formula of the matrix is Li[LixNiaCobMncMd]O2, M includes at least one of Mg, Nb, Cr, Ce, Fe, Ta, B, Al, V, Ti, Zr, Sn, P, and Mo, x+a+b+c+d=1, x>0, a>0, 00, and d≥0; and a coating layer, where the coating layer is disposed on a surface of the matrix, and the coating layer includes boron-containing alloy. The technical solutions of this application can improve an energy retention rate and an initial gram capacity of a battery.
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
B60L 50/64 - Détails de construction des batteries spécialement adaptées aux véhicules électriques
C01G 53/50 - Oxydes complexes contenant du nickel et au moins un autre élément métallique contenant des métaux alcalins, p. ex. LiNiO2 contenant du manganèse du type (MnO2)n-, p. ex. Li(NixMn1-x)O2 ou Li(MyNixMn1-x-y)O2
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
92.
STACKING APPARATUS, BATTERY PRODUCTION LINE, AND STACKING METHOD
A stacking apparatus configured to stack workpieces into a neat workpiece queue, where the workpiece queue includes a plurality of workpieces. The stacking apparatus includes: a base bracket; a stacking table for carrying at least one workpiece, where the stacking table is arranged on the base bracket; and at least two shapers, where the shapers act in pairs to perform an alignment operation for aligning the workpieces on the stacking table, paired shapers are configured in such a way that at least one of the actions enables the paired shapers to approach or move away from each other along a first direction above the stacking table, and the alignment operation is performed through the approaching action of the shapers, to obtain the neat workpiece queue through stacking.
A battery manufacturing method is applied to the battery manufacturing system. The battery manufacturing system includes a controller and production equipment. The battery manufacturing method includes: during product production by production equipment in any process of a battery production line, obtaining, by the controller, product information, where the production equipment is equipment corresponding to any process in a battery group production line; and in a case that the product information meets a product switching condition, controlling, by the controller, the production equipment to switch to producing a new-model product.
A clamping jaw includes a first clamping piece and a second clamping piece. A direction in which the first clamping piece and the second clamping piece are arranged opposite each other is a first direction. A first drive component is configured to drive the first clamping piece to move along the first direction. A mounting base is arranged on the second clamping piece. The second clamping piece is able to move relative to the mounting base along the first direction. The mounting base is provided with a force applying portion that is spaced away from the second clamping piece. An elastic member is in contact with the second clamping piece and the force applying portion. A second drive component is configured to drive the mounting base to move along the first direction.
This application provides a positive active material, a positive electrode plate, an electrochemical energy storage apparatus, and an apparatus. The positive active material is LixNiyCozMkMepOrAm, or LixNiyCozMkMepOrAm with a coating layer on its surface; and the positive active material is single crystal or quasi-single crystal particles, and a particle size Dn10 of the positive active material satisfies: 0.3 μm≤Dn10≤2 μm. In this application, particle morphology of the positive active material and an amount of micro powder in the positive active material are properly controlled, to effectively reduce side reactions between the positive active material and an electrolyte solution, decrease gas production of the electrochemical energy storage apparatus, and improve storage performance of the electrochemical energy storage apparatus without deteriorating an energy density, cycle performance, and rate performance of the electrochemical energy storage apparatus.
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
C01G 53/50 - Oxydes complexes contenant du nickel et au moins un autre élément métallique contenant des métaux alcalins, p. ex. LiNiO2 contenant du manganèse du type (MnO2)n-, p. ex. Li(NixMn1-x)O2 ou Li(MyNixMn1-x-y)O2
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
96.
PRESSURIZING MECHANISM, PRESSURIZING APPARATUS, SILO APPARATUS, AND BATTERY PRODUCTION LINE
A pressurizing mechanism, a pressurizing apparatus, a silo apparatus, and a battery production line are disclosed. The pressurizing mechanism includes a base and a pressurizing piece. The base is provided with a positioning key. The pressurizing piece is provided with a positioning groove. The positioning key is fitted to the positioning groove to position the pressurizing piece and the base. The positioning groove is provided with an insertion opening running through a bottom wall of the pressurizing piece, and the positioning key is inserted into the positioning groove through the insertion opening.
The present application provides a polymer and a preparation method therefor, a positive electrode, a secondary battery, and an electrical device. The polymer includes a first polymer. The first polymer includes a structural unit represented by formula (1), where in formula (1), R1, R12, and R13 each independently include a hydrogen atom or a substituted or unsubstituted C1-C5 alkyl group; and when substituted, the substituent includes a halogen atom.
The present application provides a polymer and a preparation method therefor, a positive electrode, a secondary battery, and an electrical device. The polymer includes a first polymer. The first polymer includes a structural unit represented by formula (1), where in formula (1), R1, R12, and R13 each independently include a hydrogen atom or a substituted or unsubstituted C1-C5 alkyl group; and when substituted, the substituent includes a halogen atom.
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
98.
JELLY ROLL BATTERY CELL, BATTERY, BATTERY ASSEMBLY AND ELECTRIC DEVICE
A jelly roll battery cell, a battery, a battery assembly and an electric device. The jelly roll battery cell includes a main body portion and a tab portion; one side of each positive winding portion in one part of positive winding portions is connected to one positive tab, and one side of each positive winding portion in the other part of the positive winding portions is connected to two positive tabs; and/or, one side of each negative winding portion in one part of negative winding portions is connected to one negative tab, and one side of each negative winding portion in the other part of the negative winding portions is connected to two negative tabs.
H01M 50/538 - Connexions de plusieurs conducteurs ou languettes d’électrodes empilées enroulées ou pliées
B60L 50/60 - Propulsion électrique par source d'énergie intérieure au véhicule utilisant de la puissance de propulsion fournie par des batteries ou des piles à combustible utilisant de l'énergie fournie par des batteries
H01M 10/0587 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure enroulés, c.-à-d. des électrodes positives enroulées, des électrodes négatives enroulées et des séparateurs enroulés
H01M 50/533 - Connexions d’électrodes dans un boîtier de batterie caractérisées par la forme des conducteurs ou des languettes
99.
BATTERY CELL, BATTERY, AND POWER CONSUMING APPARATUS
Provided are a battery cell, a battery, and a power consuming device. The battery cell includes: an electrode assembly, where the electrode assembly includes a positive electrode plate and a negative electrode plate; and an electrolyte solution, where the electrolyte solution includes a first electrolyte salt, and a molecular formula of the first electrolyte salt is:
Provided are a battery cell, a battery, and a power consuming device. The battery cell includes: an electrode assembly, where the electrode assembly includes a positive electrode plate and a negative electrode plate; and an electrolyte solution, where the electrolyte solution includes a first electrolyte salt, and a molecular formula of the first electrolyte salt is:
Provided are a battery cell, a battery, and a power consuming device. The battery cell includes: an electrode assembly, where the electrode assembly includes a positive electrode plate and a negative electrode plate; and an electrolyte solution, where the electrolyte solution includes a first electrolyte salt, and a molecular formula of the first electrolyte salt is:
where R1 is one of Li, Na, K, Mg, and Al, R2 is at least one of element O, element S, element F, and C1-C3 alkyl or C1-C3 alkyl substituted with element F, and based on 100 parts by weight of the electrolyte solution, content W1 of the first electrolyte salt ranges from 2 parts by weight to 20 parts by weight. According to the technical solution of this application, energy density and safety performance of the battery can be improved.
H01M 10/0568 - Matériaux liquides caracterisés par les solutés
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
100.
HEAT EXCHANGE ASSEMBLY, BATTERY AND ELECTRICAL DEVICE
A heat exchange assembly, a battery and an electrical device are disclosed. The heat exchange assembly includes a current collecting piece and a plurality of heat exchange pieces. The heat exchange piece is constructed with a first flow channel and a first joint portion communicating with the first flow channel. The current collecting piece is constructed with a second flow channel and a plurality of second joint portions. The plurality of second joint portions each communicate with the second flow channel and are configured to be connected to the first joint portions of the plurality of heat exchange pieces respectively, such that the second flow channel of the current collecting piece communicates with the first flow channels of the plurality of heat exchange pieces. When the heat exchange assembly and battery units form a group, the assembly procedure is simple, and the assembly and fabrication efficiency is high.
H01M 10/6568 - Liquides caractérisés par des circuits d'écoulement. p. ex. boucles, situés à l'extérieur des éléments ou des boîtiers des éléments
H01M 50/503 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie caractérisées par la forme des interconnecteurs
brevets
