A battery management system, a battery pack, an electric vehicle and a battery charging time prediction method are provided. The battery management system includes a memory for storing a plurality of reference charging maps, a sensing unit for detecting voltage, current, and temperature of a battery, and a control unit for determining an estimated SOC value of the battery. Each reference charging map includes first to Mth reference current values and first to Mth reference power curves associated with first to Mth SOC sections. The control unit obtains a mth reference power curve and a mth reference current value associated with a mth SOC section to which the estimated SOC value belongs, from the reference charging map associated with the temperature section to which the temperature detection value of the battery belongs. The control unit determines the time required for the SOC of the battery to reach an end point of the mth SOC section, according to the result of comparing a maximum output power of a charger and the mth reference power curve, based on the difference between the end point of the mth SOC section and the estimated SOC value, and at least one of the mth reference current value, the maximum output power and the mth reference power curve.
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
B60L 58/12 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries en fonction de l'état de charge [SoC]
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
2.
Secondary Battery with Improved Terminal Structure
A secondary battery includes positive and negative electrode terminals spaced apart on a first face of a hexahedral-shaped battery case, a nonlinear terminal body contacting the first face of the battery case and a side of the battery case extending from the first face of the battery case while enclosing one of the positive or negative electrode terminals, a terminal structure including an extension terminal electrically connected to the one of the positive or negative electrode terminals, and the extension terminal exposed on a side of the terminal structure, wherein the side of the terminal structure is seated in a recessed surface formed in the side of the battery case.
An anode slurry composition includes: an anode active material; a conductive material; and two or more types of cellulose-based binders. The cellulose-based binders include carboxymethyl cellulose (CMC) and cellulose nanofibrils (CNF), and the weight ratio of the cellulose nanofibrils (CNF) to the carboxymethyl cellulose (CMC) in the cellulose-based binders (CNF/CMC) is in the range of about 0.05 to 3.00.
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/133 - Électrodes à base de matériau carboné, p. ex. composés d'intercalation du graphite ou CFx
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
4.
BATTERY CELL ASSEMBLY AND BATTERY PACK INCLUDING THE SAME
A battery cell assembly, including: a cell block including a plurality of battery cells; and a side frame disposed on one side surface of the cell block, wherein the side frame includes a side wall portion and a flange portion disposed on the side wall portion on a side opposite the cell block and configured to be fastened to an external support structure, and wherein the side wall portion includes a hollow space formed throughout an inside thereof.
H01M 50/242 - 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 contre les vibrations, les collisions ou le gonflement
B60L 50/64 - Détails de construction des batteries spécialement adaptées aux véhicules électriques
H01M 10/613 - Refroidissement ou maintien du froid
H01M 10/656 - Moyens de commande de la température associés de façon structurelle avec les éléments caractérisés par le type de fluide pour l'échange de chaleur
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 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
H01M 50/213 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
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
5.
Magnetism Alignment Apparatus for Negative Electrodes and Method for Manufacturing Negative Electrodes Using Same
A magnetic alignment device includes a first magnet part and a second magnet part, a thickness measuring part, and a control part. The first and second magnet parts accommodate an electrode sheet therebetween and the thickness measuring part measures a thickness of a negative electrode slurry disposed on the electrode sheet. The control part adjusts the separation distance of the first and second magnet parts. The magnetic alignment device measures the thickness of the negative electrode slurry applied on the negative electrode current collector in real time and controls the intensity of the magnetic field by adjusting the separation distance of the magnet part according to the measured negative electrode slurry thickness, and has an advantage of uniformly high alignment degree of the crystal faces of the carbon-based negative electrode active material contained in prepared negative electrode active layer.
G01B 11/06 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur
An electrode assembly includes unit cells wound by a separation film.
An electrode assembly includes unit cells wound by a separation film.
The assembly includes a first unit cell and a second unit cell located at outermost parts on opposing sides of the assembly.
An electrode assembly includes unit cells wound by a separation film.
The assembly includes a first unit cell and a second unit cell located at outermost parts on opposing sides of the assembly.
The unit cells include a cathode, an anode, and a separator. The cathodes and anodes have flat parts where a thickness of the active material layer is constant and inclined parts where a thickness of the active material layer decreases toward protruding directions of tabs.
An electrode assembly includes unit cells wound by a separation film.
The assembly includes a first unit cell and a second unit cell located at outermost parts on opposing sides of the assembly.
The unit cells include a cathode, an anode, and a separator. The cathodes and anodes have flat parts where a thickness of the active material layer is constant and inclined parts where a thickness of the active material layer decreases toward protruding directions of tabs.
First and second thickness supplement units supplement for thickness differences of the flat and inclined parts that are formed between the first unit cell and a first outermost separation film portion facing the first unit cell and between the second unit cell and a second outermost separation film portion facing the second unit cell, respectively. The electrode assembly is manufactured by a process. A secondary battery includes the assembly and an electrolyte.
The present invention provides an apparatus for inspecting a welding state in a welded portion for an electronic or mechanical coupling in a lithium secondary battery, the apparatus including: a measuring unit configured to obtain data for deriving a resistance value of the welded portion by allowing a resistance measuring probe to contact the welded portion; and a controller configured to communicate with the measuring unit, determine the resistance value of the welded portion by receiving the data obtained from the measuring unit, and determine whether a weak welding was performed by comparing the determined resistance value with a threshold resistance value, in which the measuring unit is configured to allow the resistance measuring probe to contact one end and the other end of the welded portion.
B23K 31/12 - Procédés relevant de la présente sous-classe, spécialement adaptés à des objets ou des buts particuliers, mais non couverts par un seul des groupes principaux relatifs à la recherche des propriétés, p. ex. de soudabilité, des matériaux
B23K 101/36 - Dispositifs électriques ou électroniques
G01N 27/04 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant l'impédance en recherchant la résistance
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
H01M 50/536 - Connexions d’électrodes dans un boîtier de batterie caractérisées par le procédé de fixation des conducteurs aux électrodes, p. ex. soudage
8.
Cell Assembly and Battery Pack and Vehicle Including the Same
A cell assembly according to the present disclosure includes a cell stack including one pouch-type battery cell or two or more pouch-type battery cells stacked; and a cell cover covering two side portions of the cell stack along a widthwise direction of the cell stack and a top portion of the cell stack, wherein the cell cover is configured to adjust a width of the cell cover according to a width of the cell stack.
H01M 10/647 - Éléments prismatiques ou plans, p. ex. éléments de type poche
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 50/271 - Couvercles des boîtiers secondaires, des bâtis ou des blocs
9.
Pouch Type Battery Case and Apparatus for Manufacturing the Same, and Pouch Type Secondary Battery
A pouch-type secondary battery according to an embodiment of the present invention for solving the above problems includes a cup part configured to accommodate an electrode assembly formed by stacking electrodes and separators, wherein the cup part includes: a bottom portion configured to form a bottom; an outer wall configured to form a side surface and meet the bottom portion; a punch edge configured to connect the bottom portion to the outer wall; a thickness edge configured to connect two adjacent outer walls to each other; and a corner formed by connecting the two adjacent punch edges to the thickness edge, wherein at least one of the punch edges is rounded, at least one of the thickness edge is rounded, at least one of the corner is rounded and has a curvature radius different from that of each of the punch edge and the thickness edge.
H01M 50/131 - Boîtiers primairesFourreaux ou enveloppes caractérisés par les propriétés physiques, p. ex. la perméabilité au gaz, les dimensions ou la résistance à la chaleur
H01M 50/178 - Dispositions pour introduire des connecteurs électriques dans ou à travers des boîtiers adaptées à la forme des cellules pour des cellules en forme de poches ou de sacs souples
10.
Electrode Having Excellent Weldability Between Electrode Lead and Electrode Tab and Method of Manufacturing the Same
A battery includes an electrode tab coated with an insulating layer, and more particularly to an electrode including an electrode current collector coated with an electrode active material, an electrode tab protruding from the electrode current collector, and an insulating layer formed on the electrode tab by coating, wherein the other surface of the electrode tab having the insulating layer formed thereon by coating is welded to an electrode lead.
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 50/533 - Connexions d’électrodes dans un boîtier de batterie caractérisées par la forme des conducteurs ou des languettes
H01M 50/586 - 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’intérieur des batteries p. ex. les contacts incorrects des électrodes
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
11.
NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING NEGATIVE ELECTRODE
A negative electrode for a lithium secondary battery according to the present invention comprises: a negative electrode current collector layer; a primer coating layer including a primer coating layer composition and provided on one or both sides of the negative electrode current collector layer; and a negative electrode active material layer provided on the opposite side of the primer coating layer from the side in contact with the negative electrode current collector layer. The negative electrode active material layer includes: a silicon-based active material; a negative electrode conductive material; and a negative electrode active material layer composition including a negative electrode binder, wherein the silicon-based active material includes at least one selected from the group consisting of SiOx (x=0) and SiOx (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
An electrode drying device includes an air supply fan, an air supply duct, a drying space, an exhaust fan, a recovery duct, a recovery damper, a main hygrometer, and a control part. The air supply fan supplies air through the air supply duct to the drying space in which an electrode is dried. The exhaust fan discharges air from the drying space through an exhaust duct and the recovery duct supplies the air discharged from the exhaust fan to the air supply fan. The recovery damper adjusts the amount of the air introduced into the recovery duct. The main hygrometer senses the absolute humidity of the air supplied to the drying space and the control part adjusts an opening degree of the recovery damper according to the absolute humidity sensed by the main hygrometer in order to adjust the absolute humidity of the air introduced into the drying space.
A positive electrode includes 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 formed on the current collector and the second positive electrode active material layer is formed on the first positive electrode active material layer. The first and second positive electrode active material layers each include lithium iron phosphate, a fluorine-based binder, a rubber-based binder, and a conductive material. The rubber-based binder includes a first hydrogenated nitrile butadiene rubber and a second hydrogenated nitrile butadiene rubber A ratio (P2/P1) of the weight P2 of fluorine contained in the second positive electrode active material layer to the weight P1 of fluorine contained in the first positive electrode active material layer is 1 or less.
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 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
A secondary battery charging/discharging apparatus for charging and discharging a cylindrical secondary battery having an electrode assembly, in which a positive electrode, a separator, and a negative electrode are alternately wound, a can configured to accommodate the electrode assembly therein, and a positive electrode terminal positioned on one side of the can is provided. The secondary battery charging/discharging apparatus includes a charging/discharging connector configured to come into contact with the positive electrode terminal electrically connected to the positive electrode and the can electrically connected to the negative electrode. The charging/discharging connection unit is positioned in a region on one side of the secondary battery and brought into contact with and electrically connected to the positive electrode terminal and the can which are positioned on the one side of the secondary battery.
A cell assembly according to an embodiment of the present invention includes: a plurality of battery cells stacked on each other and each having an electrode lead; a first bonding body formed to be in contact with the electrode leads of the plurality of battery cells; and a second bonding body formed to be in contact with the plurality of battery cells, and non-overlapped with the first bonding body, wherein the first bonding body may be made of a material having lower hardness than the second bonding body.
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 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
H01M 50/502 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie
16.
SEALING DEVICE FOR POUCH TYPE SECONDARY BATTERY CASE, AND SEALING METHOD USING SAME
The present invention relates to a sealing device for a pouch type secondary battery case, and a sealing method using same, the sealing device comprising: a sealing tool including an upper sealing tool and a lower sealing tool arranged to come into contact with each other with a sealing unit interposed therebetween, so as to press and heat the sealing unit of the pouch type secondary battery case and seal same; an upper pressing unit positioned at the front or at the rear of the upper sealing tool; a lower pressing unit positioned at the front or at the rear of the lower sealing tool.
TAPE FOR MANUFACTURING BATTERY MODULE, BATTERY MODULE COMPRISING BATTERY CELLS TO WHICH TAPE FOR MANUFACTURING BATTERY MODULE IS ATTACHED, AND METHOD FOR MANUFACTURING BATTERY MODULE
The present invention relates to a method for manufacturing a battery module, which comprises a step of attaching an adhesive to a battery cell, the method comprising: a tape providing step in which a tape, having been laminated in such a way that a release liner is placed on one surface thereof and an adhesive in a sheet-form is placed on the other surface thereof, is continuously supplied to pass through a roller in such a way that the release liner comes into contact with the roller; a bonding step in which a gripper gripping a battery cell slides over the roller in such a way that the adhesive comes in contact with one surface of the battery cell, so that the adhesive is separated from the release liner and bonds to the battery cell; and a cutting step in which the adhesive is cut as the gripper is lifted, wherein the adhesive has recessed portions arranged to be recessed from the surface in contact with the release liner, so as to reduce the thickness thereof compared to other portions.
B65H 35/00 - Délivrance d'articles à partir de machines à découper ou à perforer linéairementAppareils délivrant des articles ou des bandes, comportant des dispositifs pour couper ou perforer linéairement, p. ex. distributeurs de bande adhésive
C09J 7/40 - Adhésifs sous forme de films ou de pellicules caractérisés par des couches antiadhésives
18.
ELECTROLYTE INJECTION DEVICE AND ELECTROLYTE INJECTION METHOD USING SAME
An electrolyte injection device according to one embodiment of the present invention injects an electrolyte into a cell case, and comprises: an upper plate having therein a hopper for injecting the electrolyte into the cell case from above the cell case; a lower plate having a mounting hole in which the lower surface of the cell case is seated; and an elastic part that is located at a position below the lower plate and corresponding to the mounting hole and is compressed by pressure applied to the lower surface of the cell case, wherein a sensor part for measuring the pressure applied to the lower surface of the cell case is positioned on the upper portion of the elastic part.
H01M 50/609 - Moyens ou procédés pour le remplissage en liquide, p. ex. avec des électrolytes
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
A battery pack according to the present invention may include: a plurality of battery modules; a pack tray including an inner space having an open upper portion and receiving the plurality of battery modules and a beam frame disposed between the battery modules adjacent to each other and partitioning the inner space; a pack cover for covering the upper portion of the pack tray; and a flame blocking unit connected to the beam frame and provided at a lower portion of the pack cover to cover a corresponding battery module so as to block a flame discharged from the battery module.
H01M 50/383 - Moyens pare-flammes ou moyens de prévention de l’allumage
H01M 10/658 - Moyens de commande de la température associés de façon structurelle avec les éléments par isolation ou protection thermique
H01M 50/367 - Passages internes d’évacuation des gaz dans le couvercle ou le boîtier de la batterieSystèmes d’évent à double couvercle
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
20.
ELECTRODE ASSEMBLY FOR SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING SAME
The present invention relates to an electrode assembly for a secondary battery. The electrode assembly has a structure in which a laminate including a sheet-type positive electrode, a sheet-type negative electrode, and a sheet-type separator between the sheet-type positive electrode and the sheet-type negative electrode is wound, and an electron conductive tape is attached to an outer surface of the sheet-type negative electrode, which does not face the sheet-type positive electrode, in a width direction of the sheet-type negative electrode perpendicular to the winding direction of the laminate at a portion corresponding to the winding end portion of the sheet-type positive electrode.
H01M 50/586 - 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’intérieur des batteries p. ex. les contacts incorrects des électrodes
Provided is a battery manufacturing system including: an electrode process device for performing an electrode process; and a roll map construction device for constructing a roll map including coordinate value data indicating the position of an electrode and measurement and inspection data generated according to the progress of the electrode process performed on the electrode and matched with the coordinate value data, wherein the roll map construction device is configured to receive a defect position of the electrode to generate a tag coordinate of a tag corresponding to the defect position, define a preceding removal reference coordinate preceding the tag coordinate and a following removal reference coordinate following the tag coordinate on the basis of the tag coordinate, and construct a survival electrode roll map excluding an electrode removal section between the preceding removal reference coordinate and the following removal reference coordinate.
G01B 7/004 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer les coordonnées de points
B65H 43/04 - Utilisation de dispositifs de commande de vérification ou de sécurité, p. ex. dispositifs automatiques comportant un élément pour détecter une variable détectant ou réagissant à la présence des articles défectueux
22.
BATTERY, BATTERY PACK COMPRISING SAME, AND VEHICLE COMPRISING BATTERY PACK
A battery according to one embodiment of the present invention may comprise: an electrode assembly; a battery housing for accommodating the electrode assembly through an opening formed at one side thereof; a battery terminal electrically connected to the electrode assembly through a closing part provided at the opposite side of the opening of the battery housing; and a current collector including a first coupling part, which is electrically coupled to the electrode assembly, and a second coupling part, which is electrically coupled to the battery terminal and has a resistance increase region formed in at least one portion thereof.
H01M 50/583 - Dispositifs ou dispositions pour l’interruption du courant en réponse au courant, p. ex. fusibles
H01M 50/586 - 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’intérieur des batteries p. ex. les contacts incorrects des électrodes
H01M 50/559 - Bornes adaptées aux cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
H01M 50/566 - Bornes caractérisées par leur procédé de fabrication par soudage, brasage ou brasage tendre
H01M 50/213 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
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
23.
ANODE SLURRY COMPOSITION, LITHIUM SECONDARY BATTERY ANODE INCLUDING SAME, AND LITHIUM SECONDARY BATTERY
The present specification relates to an anode slurry composition for alleviating electrode thermal wrinkling. The composition comprises: an anode active material; a conductive material; and two or more types of cellulose-based binder, wherein the cellulose-based binder comprises carboxymethyl cellulose (CMC) and cellulose nanofibrils (CNF), and the weight ratio (CNF/CMC) of cellulose nanofibrils (CNF) to carboxymethylcellulose (CMC) in the cellulose-based binder is in the range of approximately 0.05 to 3.00.
The present invention relates to a positive electrode active material, and a positive electrode and lithium secondary battery comprising same, the positive electrode active material comprising: a single-particle type lithium nickel-based oxide having 50-75 mol% of Ni and doped with a doping element M1; and a coating layer formed on the single particle-type lithium nickel-based oxide and including a coating element M2c+dc+d defined by formula (1) is 3.5 to 4.2, R defined by formula (2) is 0.5 or less, and a weight ratio of the doping element M1to the coating element M2(M1/M2) is 0.2 to 1.0.
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
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 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
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
The present invention relates to an electrolyte for a lithium secondary battery and a lithium metal secondary battery comprising same, wherein the electrolyte can improve initial discharge characteristics, lifespan characteristics, output characteristics, and the like of lithium metal secondary batteries. The electrolyte may comprise: a lithium salt; a non-aqueous organic solvent; an organic anti-solvent showing a solubility at least 10 times lower than that of the non-aqueous organic solvent with respect to the lithium salt; and an additive including a fluorine-substituted ether-based compound.
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
26.
BATTERY DIAGNOSIS DEVICE AND BATTERY DIAGNOSIS METHOD
A battery diagnosis device disclosed in the present document comprises: a sensor unit for acquiring battery cell information about each of one or more battery cells; and a control unit for determining the state of health (SOH) of each of the one or more battery cells on the basis of the battery cell information, and determining whether a defect has occurred in the one or more battery cells on the basis of the average value and the standard deviation of the SOH.
G01R 31/392 - Détermination du vieillissement ou de la dégradation de la batterie, p. ex. état de santé
G01R 31/385 - Dispositions pour mesurer des variables des batteries ou des accumulateurs
G01R 31/3828 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge utilisant l’intégration du courant
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
G01R 31/371 - Dispositions pour le test, la mesure ou la surveillance de l’état électrique d’accumulateurs ou de batteries, p. ex. de la capacité ou de l’état de charge avec indication à distance, p. ex. sur des chargeurs séparés
G01R 31/36 - Dispositions pour le test, la mesure ou la surveillance de l’état électrique d’accumulateurs ou de batteries, p. ex. de la capacité ou de l’état de charge
27.
BATTERY CELL ASSEMBLY AND BATTERY PACK INCLUDING THE SAME
A battery cell assembly, including: a cell block including a plurality of battery cells; and a side frame disposed on one side surface of the cell block, wherein the side frame includes a side wall portion and a flange portion disposed on the side wall portion on a side opposite the cell block and configured to be fastened to an external support structure, and wherein the side wall portion includes a hollow space formed throughout an inside thereof.
H01M 50/242 - 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 contre les vibrations, les collisions ou le gonflement
H01M 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
H01M 10/6556 - Composants solides comprenant des canaux d'écoulement ou des tubes pour un échange de chaleur
H01M 50/244 - Boîtiers secondairesBâtisDispositifs de suspensionDispositifs de manutentionSupports caractérisés par leur procédé de montage
Disclosed in the present specification are a polymer layer, a method for manufacturing same, and use thereof. The polymer layer exhibits the so-called positive temperature coefficient (PTC) effect at the required time and level, and thus can be applied as a material that can ensure stability in applications where stability against abnormal high heat or flame is an issue. The polymer layer exhibits oxidation potential characteristics suitable for the application, and can stably maintain such oxidation potential characteristics even under harsh conditions. The polymer layer can rapidly exhibit the PTC effect at the required time and the desired level. The polymer layer has a flat surface and thus has excellent resistance to scratches and the like. Disclosed in the present specification are a method for manufacturing the polymer layer and use thereof.
Disclosed in the present specification are an electrode and use thereof. The electrode comprises a polymer layer, which exhibits a so-called positive temperature coefficient (PTC) effect at the required level when needed, and thus can be appropriately utilized in applications where stability is problematic due to abnormally high heat or flames. The polymer layer shows oxidation potential characteristics suitable for electrode use, and such oxidation potential characteristics can be stably maintained even under harsh environments. The polymer layer of the electrode can quickly exhibit the PTC effect when the PTC effect is needed. Disclosed in the present specification is also use of the electrode.
H01M 50/586 - 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’intérieur des batteries p. ex. les contacts incorrects des électrodes
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
The present application relates to a current collector and a use thereof. The present application may provide a current collector and a use thereof, wherein the current collector may form an electrode that exhibits excellent electrical characteristics, including low resistance, to give no influence on the performance and operation of secondary batteries in a normal condition, and ensures stability by blocking the current flow through an electrode assembly by increasing resistance in an abnormal condition.
A positive electrode active material includes lithium nickel-based oxide particles having a single-particle form composed of a single nodule or a single-particle-like form, which is a complex of at most 30 nodules. The positive electrode active material further includes a coating layer formed on the surface of the lithium nickel-based oxide particles, wherein the coating layer is formed by using a nano-sized coating precursor which is a chelate complex comprising lithium, nickel, cobalt, and Ma, where Ma is Mn, Al, or a combination thereof.
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 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
Disclosed are a battery cell assembly and a manufacturing method thereof. The battery cell assembly includes a battery cell formed by stacking a plurality of unit cells composed of a cathode, a separator, and an anode; and a thermal insulating cover configured to surround an outer perimeter of the battery cell one or more times.
H01M 10/658 - Moyens de commande de la température associés de façon structurelle avec les éléments par isolation ou protection thermique
H01M 10/0583 - Structure ou fabrication d'accumulateurs à éléments de structure pliés à l'exception des éléments enroulés, c.-à-d. des électrodes positives ou négatives pliées ou des séparateurs pliés, p. ex. à électrodes ou séparateurs en forme de Z
H01M 10/651 - Moyens de commande de la température associés de façon structurelle avec les éléments caractérisés par des paramètres spécifiés par une valeur numérique ou une formule mathématique, p. ex. rapports, tailles ou concentrations
Disclosed herein relates to a pack case, including: a cooling plate having a cooling flow path on an inside thereof; a side plate coupled to an edge of the cooling plate; a center frame coupled to the cooling plate to longitudinally divide the storing space formed by the side plate; and a side beam coupled to the cooling plate to transversely divide a plurality of spaces divided by the center frame, wherein the cooling plate comprises a slot formed by penetrating along a coupling position of the center frame or the side beam.
H01M 10/658 - Moyens de commande de la température associés de façon structurelle avec les éléments par isolation ou protection thermique
H01M 10/613 - Refroidissement ou maintien du froid
H01M 10/6555 - Barres ou plaques disposées entre les éléments
H01M 10/656 - Moyens de commande de la température associés de façon structurelle avec les éléments caractérisés par le type de fluide pour l'échange de chaleur
H01M 50/204 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules
H01M 50/258 - Batteries modulairesBoîtiers pourvus de moyens d’assemblage
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
34.
Positive Electrode Active Material and Positive Electrode Including the Same
A positive electrode active material includes a nickel-based lithium composite metal oxide having a Ni content of 80 atm % or greater among transition metals except lithium, and in the form of a single particle or pseudo-single particle. The nickel-based lithium composite metal oxide has a coating layer positioned on the surface thereof, wherein the coating layer contains cobalt. The positive electrode active material also satisfies [Equation 1] 1≤XY/Z≤3, wherein X is the molar number (mol %) of Co in the coating layer based on 100 moles of the nickel-based lithium composite metal oxide, Y is the average particle diameter (μm) of nodules of the nickel-based lithium composite metal oxide, and Z is D50 (μm) of the positive electrode active material, wherein Z is from 5 μm to 12 μm.
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 4/485 - 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
Disclosed herein is an electrode lead aligning and masking device. The electrode lead aligning and masking device of the present disclosure can be configured to align electrode leads bent on each of bus bars in a welding process of the electrode leads. The electrode lead aligning and masking device can include a pair of aligning jigs, each inserted into a slot between the bus bars and configured to align positions of the electrode leads. A masking jig can be disposed between the pair of aligning jigs to surround welding portions of the electrode leads.
B23K 35/02 - Baguettes, électrodes, matériaux ou environnements utilisés pour le brasage, le soudage ou le découpage caractérisés par des propriétés mécaniques, p. ex. par la forme
H01M 50/516 - Procédés pour interconnecter les batteries ou cellules adjacentes par soudage, brasage ou brasage tendre
36.
BATTERY CELL, BATTERY MODULE, AND METHOD OF PREPARING THE BATTERY CELL
A battery cell with improved battery durability and battery lifetime, a method of preparing the battery cell, and a battery module including the battery cell are provided. The battery cell includes a cell case having an accommodation space; an electrode assembly which is accommodated in the accommodation space and includes a plurality of electrodes, an electrode tab formed on at least one side of each of the plurality of electrodes, and a separator disposed between the plurality of electrodes; a gel electrolyte which contains a first molarity of a first lithium salt and is accommodated in the accommodation space while surrounding the electrode tab; and a liquid electrolyte which contains a second molarity, which is lower than the first molarity, of a second lithium salt and is accommodated between the plurality of electrodes.
The present technology relates to a reference point marking apparatus for marking reference points on a pattern electrode in which coated portions and uncoated portions are repeatedly arranged in a longitudinal direction, in which the pattern electrode includes a plurality of reserved electrode lane parts to be slit into a plurality of electrode lanes in the longitudinal direction in a subsequent process, and the reference point marking apparatus includes a moving marking machine configured to mark reference points on uncoated portions of the reserved electrode lane parts arranged in a width direction of the pattern electrode while moving in the width direction, and a controller configured to control an operation of the moving 10 marking machine. The present technology also provides a roll map generation apparatus using the reference point marking apparatus.
The present disclosure relates to a secondary battery that includes an electrode assembly including an electrode and a separator which are alternately stacked, a gel polymer electrolyte, and a battery case accommodating the electrode assembly and the gel polymer electrolyte, wherein the separator includes a porous substrate and a ceramic coating layer disposed on both sides of the porous substrate, the ceramic coating layer includes inorganic particles in an amount of 92 wt % or greater and less than 100 wt % and a binder in an amount of greater than 0 wt % and 8 wt % or less, the electrode includes a positive electrode and a negative electrode, and the negative electrode includes a silicon-based active material.
Disclosed is a battery pack including a battery cell stack, an internal connection member coupled to opposite ends of the battery cell stack from which the electrode leads protrude, and a pack frame configured to receive the battery cell stack and the internal connection member. A weld is formed at a part at which a first electrode lead and a second electrode lead protruding respectively from a first battery cell and a second battery cell of the battery cell stack, which neighbor each other, are bent in different directions and overlap each other. All battery cells constituting the battery cell stack are connected to each other in series in a zigzag fashion, and the internal connection member includes an insulation cover configured to isolate the electrode leads from the outside and a sensing member electrically connected to the weld.
H01M 50/516 - Procédés pour interconnecter les batteries ou cellules adjacentes par soudage, brasage ou brasage tendre
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
H01M 50/296 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par les bornes des blocs de batterie
H01M 50/519 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie comprenant des circuits imprimés
H01M 50/583 - Dispositifs ou dispositions pour l’interruption du courant en réponse au courant, p. ex. fusibles
Gas collection devices are provided. In certain embodiments, the gas collection devices comprise: a jig unit; a cylindrical battery; a carrier unit; a chamber body unit having an opening formed at a first end and including a battery accommodation area configured to accommodate the carrier unit; a chamber cap unit coupled to the first end of the chamber body unit and including a first side covering the opening; a first driving unit configured to move the carrier unit through the opening into the battery accommodation area; a second driving unit configured to seal the first end of the chamber body unit with the chamber cap unit and configured to separate the first end of the chamber body unit from the chamber cap unit; and a gas delivery flow path connected to the chamber body unit to deliver analysis target gas diffused into the battery accommodation area to a gas analysis unit. In addition, gas collection devices are provided in which loading, unloading, punching, etc. of a battery are automated, allowing collected gas to be delivered precisely and stably to a gas analysis device.
An electric fuel efficiency analyzing apparatus according to an embodiment disclosed in the present document may comprise: a data acquisition unit for acquiring driving information of a vehicle in a designated monitoring section; and a processor that segments the designated monitoring section into a plurality of behavior factors according to a driving state on the basis of the driving information, calculates a standard electric fuel efficiency contribution that is the extent to which each of the plurality of behavior factors affects the electric fuel efficiency of the vehicle, and calculates a score of each of the plurality of behavior factors on the basis of the standard electric fuel efficiency contribution.
G07C 5/02 - Enregistrement ou indication du temps de circulation, de fonctionnement, d'arrêt ou d'attente uniquement
G01R 31/00 - Dispositions pour tester les propriétés électriquesDispositions pour la localisation des pannes électriquesDispositions pour tests électriques caractérisées par ce qui est testé, non prévues ailleurs
G01R 22/06 - Dispositions pour la mesure de l'intégrale dans le temps d'une puissance électrique ou d'un courant, p. ex. compteurs d'électricité par des méthodes électroniques
G07C 5/00 - Enregistrement ou indication du fonctionnement de véhicules
B60L 3/12 - Enregistrement des paramètres de fonctionnement
42.
METHOD FOR MANUFACTURING POUCH-TYPE BATTERY CELL, SEPARATOR SHAPE PROCESSING DEVICE, AND POUCH-TYPE BATTERY CELL MANUFACTURED USING SAME
According to one embodiment of the present invention, a pouch-type battery cell may be provided, the pouch-type battery cell comprising: an electrode assembly which is formed in a rectangular shape by sequentially and repeatedly stacking a plurality of positive electrodes, separators, and negative electrodes, the separators being provided to protrude to the outside while covering the positive electrodes and the negative electrodes; and a pouch case in which a folding portion is formed on one side among four sides to accommodate the electrode assembly and a sealing portion is formed on the remaining three sides among the four sides, wherein the sealing portion is formed after separators in middle layers among the plurality of separators are pressed inward so as to have a reduced protrusion length.
A battery management apparatus according to an embodiment of the present invention comprises: a voltage obtainment unit configured to obtain an open-circuit voltage of a battery; a profile obtainment unit configured to obtain a differential profile indicating a correspondence relationship between a differential capacity and a voltage of the battery; and a control unit configured to determine a voltage pattern of the battery on the basis of the open-circuit voltage and a pre-stored voltage history, when the determined voltage pattern is a certain pattern, determine a plurality of peaks in the differential profile, determine an anode peak and a cathode peak from among the plurality of determined peaks, and diagnose the state of the battery by comparing a rate of change of the anode peak from a preset reference anode peak with a rate of change of the cathode peak from a preset reference cathode peak.
G01R 31/396 - Acquisition ou traitement de données pour le test ou la surveillance d’éléments particuliers ou de groupes particuliers d’éléments dans une batterie
G01R 31/385 - Dispositions pour mesurer des variables des batteries ou des accumulateurs
G01R 31/382 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge
G01R 31/36 - Dispositions pour le test, la mesure ou la surveillance de l’état électrique d’accumulateurs ou de batteries, p. ex. de la capacité ou de l’état de charge
G01R 19/30 - Mesure de la valeur maximale ou minimale d'un courant ou d'une tension atteinte dans un intervalle de temps
G01R 31/392 - Détermination du vieillissement ou de la dégradation de la batterie, p. ex. état de santé
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
44.
JELLY-ROLL TYPE ELECTRODE ASSEMBLY, MANUFACTURING METHOD FOR JELLY-ROLL TYPE ELECTRODE ASSEMBLY, AND SECONDARY BATTERY COMPRISING SAME
The present invention relates to a jelly-roll type electrode assembly in which a first separator, an anode, a second separator, and a cathode are sequentially layered and wound, wherein a core part of the jelly-roll type electrode assembly includes a rigid film disposed between the first separator and the second separator, the longitudinal length of the rigid film is 100% to 150% on the basis of 100% of the inner circumferential surface of the jelly-roll type electrode assembly, and the tensile strength of the rigid film is 18 to 25 kgf/mm2.
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 50/107 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique ayant une section transversale courbe, p. ex. ronde ou elliptique
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 50/107 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique ayant une section transversale courbe, p. ex. ronde ou elliptique
A jelly roll-type electrode assembly according to the present invention is wound using a winding core provided with a heating means, and includes a flexible film having a certain degree of rigidity after being heated, and thus supports a hollow core portion in order to maintain a circular shape even when the electrode assembly deforms due to an electrode contracting/expanding during charging and discharging of a battery, thereby preventing damage to a positive electrode and a separator and preventing an internal short-circuit from occurring between the positive electrode and a negative electrode. Therefore, the jelly roll-type electrode assembly can improve the stability and lifespan of the battery.
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 50/107 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique ayant une section transversale courbe, p. ex. ronde ou elliptique
The present invention relates to a battery pack comprising: a plurality of battery cells: a pack bottom frame on which the plurality of battery cells are seated; a pack case which includes a cross member provided on the pack bottom frame and configured to partition the plurality of battery cells; and a heat insulation component which is provided between the pack bottom frame and the cross member and in which at least one groove is formed.
H01M 10/658 - Moyens de commande de la température associés de façon structurelle avec les éléments par isolation ou protection thermique
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 50/293 - 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
H01M 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
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
48.
SEPARATOR FOR ELECTROCHEMICAL DEVICE, MANUFACTURING METHOD THEREFOR, AND ELECTROCHEMICAL DEVICE COMPRISING SEPARATOR
The present invention relates to a separator for an electrochemical device, a manufacturing method therefor, and an electrochemical device comprising the separator and, specifically, to a separator for an electrochemical device, a manufacturing method therefor, and an electrochemical device comprising the separator, wherein the separator comprises a small amount of an adhesive portion provided at the outer region of a coating layer, thereby enhancing dry adhesive strength and wet adhesive strength and preventing folding of the separator during a lamination process.
A secondary battery according to the present invention may comprise: an electrode assembly; an exterior film that has an inner space for accommodating the electrode assembly and an exterior material opening for communicating the inner space with the outside; and a cover member that covers the exterior material opening of the exterior film. The exterior film has a sealing surface on which the inner surface and the outer surface of the exterior film meet in a direction perpendicular to the exterior material opening and are joined by an adhesive film. The adhesive film is characterized by a sealing index (SI), defined by the static contact angle of the adhesive surface and the peel strength under an electrolyte, of 1.00 to 6.00, thus ensuring seal durability. Therefore, a secondary battery having improved energy density can be provided.
H01M 50/126 - Boîtiers primairesFourreaux ou enveloppes caractérisés par le matériau ayant une structure en couches comprenant au moins trois couches
H01M 50/116 - Boîtiers primairesFourreaux ou enveloppes caractérisés par le matériau
H01M 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
C09J 7/30 - Adhésifs sous forme de films ou de pellicules caractérisés par la composition de l’adhésif
50.
ELECTRODE ASSEMBLY, CYLINDRICAL BATTERY, AND BATTERY PACK AND VEHICLE COMPRISING SAME
Disclosed are an electrode assembly, a cylindrical battery, a battery pack, and a vehicle. The electrode assembly has a structure in which a first electrode, a second electrode, and a separator interposed therebetween are wound. An outermost maintaining part of the electrode assembly is a maintaining part of the first electrode. A winding end portion of the separator further extends from a winding end portion of the first electrode maintaining part. A fixing member is attached to the winding end portion of the separator, along the axial direction from a point spaced apart from an axial direction end portion of the separator. A winding end corner portion of the first electrode maintaining part is not exposed to the outside, when a winding end corner portion of the separator is folded as much as possible so that the outer surface thereof faces the outer circumferential surface, with an axial direction end portion of the fixing member as a folding bias point.
H01M 50/538 - Connexions de plusieurs conducteurs ou languettes d’électrodes empilées enroulées ou pliées
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 50/167 - Couvercles caractérisés par le procédé d’assemblage des boîtiers avec des couvercles par sertissage
H01M 50/567 - Bornes caractérisées par leur procédé de fabrication par des moyens de fixation, p. ex. vis, rivets ou boulons
H01M 50/213 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
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
According to an embodiment disclosed in the present document, a data analysis device may comprise: an information acquisition unit for acquiring a plurality of battery data sets; and a controller, which generates, for each of the battery data sets, feature data indicating a correlation between at least two factors for analyzing the type of the battery data set, extracts, for each piece of feature data, target data related to at least one factor based on the characteristic of the feature data, and clusters the feature data on the basis of the target data.
G01R 31/396 - Acquisition ou traitement de données pour le test ou la surveillance d’éléments particuliers ou de groupes particuliers d’éléments dans une batterie
G01R 31/367 - Logiciels à cet effet, p. ex. pour le test des batteries en utilisant une modélisation ou des tables de correspondance
G01R 31/36 - Dispositions pour le test, la mesure ou la surveillance de l’état électrique d’accumulateurs ou de batteries, p. ex. de la capacité ou de l’état de charge
Disclosed are an apparatus for electrode winding, a battery cell including electrodes produced by using same, and a battery pack and a vehicle, each including the battery cell. The apparatus for electrode winding, according to an embodiment of the present invention, comprises: a winding member on which an electrode is wound; a rotary shaft coupled to the winding member to be rotated; a fastening chuck coupled to the rotary shaft and fastening the winding member; a support member supporting the rotary shaft; a power source providing power to the rotary shaft; and a discharge member coupled to the winding member to discharge the winding member.
An electrode current collector according to the present invention comprises: a polymer resin layer: a first metal layer disposed on one surface of the polymer resin layer; and a second metal layer disposed on the other surface of the polymer resin layer, wherein the first metal layer and the second metal layer include a shape memory alloy (SMA), and the SMA is designed to apply an external force to the polymer resin layer through shape deformation if the SMA exceeds a specific temperature.
A secondary battery according to an embodiment of the present document may comprise: an electrode assembly; a support frame surrounding a portion of the electrode assembly; a sheet-type exterior material which surrounds the rest of the electrode assembly to form an accommodation space for accommodating the electrode assembly, together with the support frame, and is coupled to the support frame such that the accommodation space is partitioned from the outside of the support frame; and electrode terminals electrically connected to electrode tabs of the electrode assembly and arranged to be in the sheet-type exterior material and exposed outside the sheet-type exterior material.
Disclosed are a method and an apparatus for manufacturing an all-solid-state battery, which carry out isostatic pressing without causing distortion of a cell and thus can prevent formation of cracks in an electrode and an electrolyte layer. The method for manufacturing an all-solid-state battery comprises the steps of: (a) arranging a lower jig having an opening at the center thereof; (b) fixing a pouch cell, with a cup part of the pouch cell downwardly accommodated in the opening of the lower jig, and a sealing part, located at the outer circumference of the cup part, hanging on the upper surface of the lower jig; (c) fixing an upper jig, having an opening at the center thereof, over the lower jig such that the openings overlap and the sealing part of the pouch cell is compressed; and (d) subjecting the pouch cell to isostatic pressing, with the pouch cell seated on the upper and lower jigs.
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
A device for controlling an energy storage system disclosed in the present document comprises: a communication unit for receiving an external power generation amount and an internal power consumption amount; a user interface unit for receiving a cost function selection command from a user; and a control unit for determining an objective function on the basis of a cost function selected by the user and performing battery control optimization on the basis of the external power generation amount, the internal power consumption amount, and the objective function. The control unit: performs the battery control optimization on the basis of a first point in time; determines a predicted value of battery charging/discharging power on the basis of the battery control optimization performed at the first point in time; determines a predicted section including the predicted value of the battery charging/discharging power; and performs the battery control optimization again on the basis that the actual value of the battery charging/discharging power is outside the range of the predicted section.
A battery module according to an embodiment of the present invention includes: a battery cell stack in which multiple battery cells are stacked; a module frame which accommodates the battery cell stack and of which one surface and the other surface are open and face each other; and end plates covering the one surface and the other surface of the module frame, respectively. The module frame includes a first bonding surface formed on sides constituting each of the one surface and the other surface, and the end plate includes a second bonding surface bonded to the first bonding surface. A first rib is formed on any one of the end plate and the module frame to protrude while being positioned further inward than a portion where the first bonding surface and the second bonding surface are bonded, and a second rib is formed on one surface of the first rib in a protruding direction of the first rib. In the other of the end plate and the module frame, a recessed portion having a shape recessed to correspond to the first rib and the second rib is formed.
H01M 50/502 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie
H01M 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
58.
BATTERY MOVEMENT DETECTION APPARATUS AND BATTERY MONITORING SYSTEM INCLUDING THE SAME
Discussed is a battery movement detection apparatus that may include a speed sensor configured to obtain speed information of a tray accommodating a battery, a power supply unit configured to provide a driving power, an environment sensor configured to obtain environment information about a surrounding environment of the battery movement detection apparatus, a communication unit configured to transmit the speed information to a battery position detection apparatus, and a controller configured to calculate an available limit of the power supply unit based on the environment information and control an operation of the communication unit based on the available limit of the power supply unit.
One aspect of the present disclosure includes a battery module including a battery cell stack in which battery cells having electrode leads protruding in either a first direction or a second direction are stacked, a busbar frame located on one side of the battery cell stack, a busbar and a sensing member mounted on the busbar frame, and a metal wire that connects the busbar and the sensing member, wherein the busbar includes a first metal layer located on a surface facing the busbar frame, and a second metal layer located on a surface opposite to the surface that faces the busbar frame, wherein an electrode lead passes through a slit formed in the busbar frame, and the electrode lead is bent and joined to the second metal layer, and wherein one region of the metal wire is connected to the first metal layer.
H01M 50/569 - Détails de construction des connexions conductrices de courant pour détecter les conditions à l'intérieur des cellules ou des batteries, p. ex. détails des bornes de détection de tension
H01M 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
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
H01M 50/507 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie comprenant un arrangement de plusieurs barres omnibus réunies dans une structure de conteneur, p. ex. modules de barres omnibus
H01M 50/516 - Procédés pour interconnecter les batteries ou cellules adjacentes par soudage, brasage ou brasage tendre
H01M 50/519 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie comprenant des circuits imprimés
H01M 50/526 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie caractérisées par le matériau ayant une structure en couches
60.
Method for Manufacturing Pouch Case for Secondary Battery
A method for manufacturing a pouch case for a secondary battery includes the steps of: (S1) preparing a pouch exterior for a secondary battery including a structure in which a substrate layer, a barrier layer, and a sealant layer are sequentially stacked; (S2) molding the pouch exterior for a secondary battery to form a cup part; and (S3) reducing cracks of the sealant layer of the pouch exterior for a secondary battery.
H01M 50/129 - Boîtiers primairesFourreaux ou enveloppes caractérisés par le matériau ayant une structure en couches comprenant au moins trois couches dont au moins deux couches de matériaux organiques uniquement
61.
Jelly-Roll Type Electrode Assembly and Secondary Battery Including Jelly-Roll Type Electrode Assembly
A jelly-roll type electrode assembly includes a first electrode, a first separator, a second electrode, and a second separator sequentially stacked and wound. The jelly-roll type electrode assembly includes a winding axis and a core part and the second electrode has a first surface and a second surface. The first surface is disposed to face the winding axis of the jelly-roll type electrode assembly and the second surface is disposed opposite to the first surface. The core part includes a first separator overlapping portion and a second separator overlapping portion. The first separator overlapping portion is provided on the first surface of the second electrode and the second separator overlapping portion is provided on the second surface of the second electrode. A secondary battery including the same is also provided.
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
Disclosed herein is a battery cell packaging device. The battery cell packaging device can include a supply part supplying an insulating tape, an image acquisition part for photographing at least one of the insulating tape or a welded portion, an adsorption part including an adsorption member for adsorbing the supplied insulating tape and packaging the welded portion with the adsorbed insulating tape, and a cutting part for cutting the insulating tape adsorbed on the adsorption member from the supply part. The adsorption member can include a first adsorption block, and a second adsorption block foldably connected to the first adsorption block.
G06T 7/70 - Détermination de la position ou de l'orientation des objets ou des caméras
H01M 50/536 - Connexions d’électrodes dans un boîtier de batterie caractérisées par le procédé de fixation des conducteurs aux électrodes, p. ex. soudage
A secondary battery includes an electrode assembly, an electrolyte solution, a seal tape, and a can. The electrode assembly has a structure in which a positive electrode, a negative electrode, and a separator are in a wound state. The seal tape includes a base and an adhesive layer provided on one surface of the base. The can accommodates the electrode assembly and the electrolyte solution. The negative electrode is disposed along an outer circumferential surface of the electrode assembly and the seal tape is provided on the outer circumferential surface. The adhesive layer is configured to expand when in contact with the electrolyte solution.
H01M 50/186 - Éléments de scellement caractérisés par la position des éléments de scellement
C09J 133/08 - Homopolymères ou copolymères d'esters de l'acide acrylique
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 50/184 - Éléments de scellement caractérisés par leur forme ou leur structure
A binder includes composite particles with a polytetrafluoroethylene structure coated with an acrylic polymer. The binder can be for a lithium secondary battery according to one embodiment of the present invention, and not only can solve problems such as agglomeration that can occur when handling conventional binders, but also has excellent physical properties such as low thickness deviation and high tensile strength when manufacturing electrodes. In addition, a battery with these electrodes has improved performance, such as improved capacity retention rate.
Disclosed herein relates to a battery pack, wherein the battery pack has an advantage that in the event of thermal runaway in any of a plurality of cell stack assemblies accommodated therein, the propagation of the generated heat or flame to adjacent assemblies can be minimized, thereby improving the safety of the battery pack against ignition or explosion.
A method for manufacturing a secondary battery, includes preparing an electrode assembly in which electrodes and a separator are alternately laminated, and an adhesive composition is applied to the surface of at least one of the electrodes or the separator, thereby allowing the electrodes and the separator to adhere to each other; accommodating the electrode assembly in a battery case; injecting a gel polymer electrolyte composition into the battery case to impregnate the electrode assembly with the gel polymer electrolyte composition; curing the gel polymer electrolyte composition; and sealing the battery case, wherein the separator includes a porous substrate and ceramic coating layers disposed on both surfaces of the porous substrate.
H01M 10/0583 - Structure ou fabrication d'accumulateurs à éléments de structure pliés à l'exception des éléments enroulés, c.-à-d. des électrodes positives ou négatives pliées ou des séparateurs pliés, p. ex. à électrodes ou séparateurs en forme de Z
H01M 10/0565 - Matériaux polymères, p. ex. du type gel ou du type solide
Disclosed herein is an inter-module busbar capable of delaying thermal runaway propagation and a battery pack including the same. The inter-module busbar can include a metal plate for electrical connection and a cover member configured to wrap a part of the metal plate. The metal plate can include at least one first through-hole formed through the metal plate in a longitudinal direction. A first closure member of the inter-module busbar can be inserted into the first through-hole.
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
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 50/505 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie comprenant une barre omnibus unique
A magnetic alignment device includes a first magnet part and a second magnet part, a loading amount measuring part, and a control part. The first and second magnet parts accommodate an electrode sheet therebetween and the loading amount measuring part measures a loading amount of a negative electrode slurry disposed on the electrode sheet. The control part adjusts the separation distance of the first and second magnet parts, The magnetic alignment device measures the loading amount of the negative electrode slurry applied on the negative electrode collector in real time and controls the intensity of the magnetic field by adjusting the separation distance of the magnet part according to the measured negative electrode slurry loading amount. A method using the same is also provided.
An electrode assembly manufacturing method includes the steps of: assembling an electrode stack; performing a primary heat press operation on the electrode stack while engaging the electrode stack with a gripper; and then performing a secondary heat press operation on the electrode stack while the gripper is disengaged from the electrode stack. The secondary heat press operation may include applying heat and pressure to the electrode stack for a time period from 5 seconds to 60 seconds under a temperature condition from 50° C. to 90° C. and under a pressure condition from 1 Mpa to 6 Mpa. The step of assembling the electrode stack may include alternately stacking first and second electrodes on an elongated separator sheet, and sequentially folding the separator sheet over a previously-stacked one of the electrodes before a subsequent electrode is stacked. An apparatus for performing the manufacturing method is also disclosed.
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 10/0583 - Structure ou fabrication d'accumulateurs à éléments de structure pliés à l'exception des éléments enroulés, c.-à-d. des électrodes positives ou négatives pliées ou des séparateurs pliés, p. ex. à électrodes ou séparateurs en forme de Z
H01M 50/463 - Séparateurs, membranes ou diaphragmes caractérisés par leur forme
H01M 50/466 - Séparateurs, membranes ou diaphragmes caractérisés par leur forme en forme de U, de sac ou pliés
70.
Positive Electrode Active Material For Lithium Secondary Battery, Method Of Preparing The Same, And Positive Electrode For Lithium Secondary Battery And Lithium Secondary Battery Which Include The Positive Electrode Active Material
A positive electrode active material includes a lithium transition metal oxide and a coating element M3-containing coating layer formed on a surface of the lithium transition metal oxide, wherein M3 comprises at least one of Al, Ti, Mg, Zr, W, Y, Sr, or Co, wherein the lithium transition metal oxide is doped with a doping element M2, wherein M2 includes at least one of Al, Ti, Mg, Zr, W, Y, Sr, Co, F, Si, Na, Cu, Fe, Ca, S, or B, wherein the lithium transition metal oxide has a single particle form, and includes a center portion having a layered structure and a surface portion having a rock-salt structure, and the total amount of the doping element M2 and the coating element M3 is in a range of 4,580 ppm to 9,120 ppm based on a total weight of the positive electrode active material.
H01M 4/134 - Électrodes à base de métaux, de Si ou d'alliages
H01M 4/1391 - Procédés de fabrication d'électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/1395 - Procédés de fabrication d’électrodes à base de métaux, de Si ou d'alliages
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
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
Methods for preparing a solid electrolyte membrane are described. More particularly, a small amount of binder may be fiberized through a dry calendering process to prepare a solid electrolyte membrane. Since the fiberized binder is included in an entangled state within the solid electrolyte membrane, it shows excellent characteristics in both ionic conductivity and strength.
The present invention includes a battery module and a battery pack including same. The battery module according to an embodiment of the present invention comprises: a battery cell stack comprising a plurality of battery cells stacked together; a module frame including a lower frame in which the battery cell stack is mounted, and an upper cover which is coupled to the lower frame while covering the top portion of the battery cell stack: end plates covering the front and rear surfaces of the battery cell stack; a heat insulation member positioned to cover the top and both side portions of the module frame and positioned to cover the end plates; and a cover member positioned on the heat insulation member, positioned to cover the top and both side portions and a partial area of the bottom portion of the module frame, and positioned to cover the end plates.
H01M 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
A busbar assembly, according to one embodiment of the present invention, comprises: a busbar connected, inside a battery pack, to a battery module so as to guide an electrical connection of the battery module; a first insulating layer surrounding the outer peripheral surface of the busbar and having respective recesses formed in both ends thereof; a second insulating layer surrounding the first insulating layer; and a cap comprising a main body which surrounds both ends of the busbar, and fixing parts which are inserted into the respective recesses.
H01M 50/502 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie
H01M 50/521 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie caractérisées par le matériau
H01M 50/526 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie caractérisées par le matériau ayant une structure en couches
H01M 50/519 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie comprenant des circuits imprimés
H01M 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
74.
BATTERY SERVICE LIFE PREDICTION DEVICE AND OPERATION METHOD THEREFOR
A battery service life prediction device according to one embodiment disclosed in the present document may comprise: an information acquisition unit for acquiring tabular data on each of a plurality of batteries, an image of each of the plurality of batteries, and the service life of each of the plurality of batteries after a first cycle; and a training unit for training a battery service life prediction model through multi-modal learning on the basis of the tabular data, the image, and the service life after the first cycle.
G01R 31/392 - Détermination du vieillissement ou de la dégradation de la batterie, p. ex. état de santé
G01R 31/396 - Acquisition ou traitement de données pour le test ou la surveillance d’éléments particuliers ou de groupes particuliers d’éléments dans une batterie
G01R 31/367 - Logiciels à cet effet, p. ex. pour le test des batteries en utilisant une modélisation ou des tables de correspondance
G01R 31/382 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge
G01R 31/385 - Dispositions pour mesurer des variables des batteries ou des accumulateurs
A power conversion device according to one embodiment disclosed in the present document comprises: a first switch and a second switch connected in series at a first node; a third switch and a fourth switch connected to the first switch at a second node; a fifth switch connected to the third switch at a third node; a sixth switch connected to the fifth switch at a fourth node; a seventh switch and an eighth switch connected to the fifth switch at a fifth node; a ninth switch connected to the eighth switch at a sixth node; a tenth switch connected to the seventh switch at a seventh node; an eleventh switch connected to the tenth switch at an eighth node; and a transformer connected to the first node, the fourth node, the sixth node and the eighth node, wherein the first switch, the second switch, the fifth switch and the sixth switch may be switches for primary-side power conversion, and the eighth switch, the ninth switch, the tenth switch and the eleventh switch may be switches for secondary-side power conversion.
H02M 1/32 - Moyens pour protéger les convertisseurs autrement que par mise hors circuit automatique
H02M 3/335 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu avec transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrodes de commande pour produire le courant alternatif intermédiaire utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
H02M 3/337 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu avec transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrodes de commande pour produire le courant alternatif intermédiaire utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs en configuration push-pull
76.
BATTERY DIAGNOSIS DEVICE AND OPERATION METHOD THEREOF
According to one embodiment disclosed in the present document, a battery diagnosis device may comprise: a pulse application unit for applying a plurality of pulses to a battery; and a controller for acquiring a first voltage corresponding to at least one of the plurality of pulses, calculating a voltage change rate on the basis of the first voltage and the time at which the first voltage is acquired, and diagnosing an anomaly of the battery on the basis of the voltage change rate.
G01R 31/385 - Dispositions pour mesurer des variables des batteries ou des accumulateurs
G01R 31/396 - Acquisition ou traitement de données pour le test ou la surveillance d’éléments particuliers ou de groupes particuliers d’éléments dans une batterie
G01R 19/00 - Dispositions pour procéder aux mesures de courant ou de tension ou pour en indiquer l'existence ou le signe
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
G01R 19/30 - Mesure de la valeur maximale ou minimale d'un courant ou d'une tension atteinte dans un intervalle de temps
A battery pack according to an embodiment of the present invention comprises: a pack frame in which a plurality of battery modules are mounted; a battery disconnect unit (BDU) which is located inside the pack frame and is electrically connected to the plurality of battery modules; and at least one foamed silicone part located in the case of the battery disconnect unit, wherein in the high-temperature environment inside the pack frame, the foamed silicone material included in the foamed silicone part that has been exposed to the high-temperature environment inside the pack frame expands toward the outside of the case.
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
H01M 50/574 - Dispositifs ou dispositions pour l’interruption du courant
H01M 50/502 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie
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
A busbar assembly according to an embodiment of the present invention includes: a busbar; an insulating member covering the outer surface of the busbar; and a foamed silicone unit positioned between the outer surface of the busbar and the insulating member, wherein the two ends of the insulating member are spaced apart from each other such that the foamed silicone unit is exposed, between the two ends of the insulating member, to the outside.
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
H01M 50/502 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie
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
The present invention relates to a battery module and a battery pack comprising same and, more specifically, to: a battery module which, when flames and gas are generated inside the case of a battery module, can uniformly discharge the gas to the outside of the module case while confining the flames to the inside of the module case; and a battery pack comprising the battery module. The battery module according to the present invention comprises: battery cells; a module case accommodating a plurality of battery cells; and a module gas discharge portion which, among flames and gas generated in the module case, discharges the gas to the outside while delaying the discharge of the flames, wherein the module gas discharge portion is provided with check valves installed on respective corners of the upper surface of the module case, and thus can uniformly discharge the gas in the module case to the outside while confining the flames to the inside of the module case so as to prevent the spread of fire to the surroundings.
H01M 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
A battery module of the present invention comprises: a battery cell stack comprising a plurality of battery cells; a module frame including a bottom portion and two side portions opposite to each other, and accommodating the battery cell stack therein; a thermally conductive resin layer disposed between one surface of the module frame and the battery cell stack; a pad disposed at at least one end of the one surface of the module frame; and a complementary material disposed between the battery cell stack and the pad, wherein the space between the battery cell stack and the pad is filled with the complementary material.
H01M 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
H01M 50/242 - 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 contre les vibrations, les collisions ou le gonflement
H01M 10/6551 - Surfaces spécialement adaptées à la dissipation de la chaleur ou à la radiation, p. ex. nervures ou revêtements
81.
CATHODE FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
A cathode according to exemplary embodiments comprises: a cathode current collector; a self-temperature control layer disposed on one surface or both surfaces of the cathode current collector, the self-temperature control layer being arranged to cover a partial area of the cathode current collector; and a cathode active material layer disposed on the self-temperature control layer and a portion of the cathode current collector, which is not covered by the self-temperature control layer and thus exposed, wherein the self-temperature control layer comprises a positive temperature coefficient (PTC) material.
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 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
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 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 4/02 - Électrodes composées d'un ou comprenant un matériau actif
82.
NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME
The present invention relates to a negative electrode and a method for manufacturing same. The negative electrode includes a carbon-based negative electrode active material and a silicon-based negative electrode active material at a predetermined content ratio, and, by the control of the degree of alignment (O.I) of the carbon-based negative electrode active material of the negative electrode active layer including the negative electrode active materials to be within a predetermined range, has high charge/discharge capacity and excellent lifespan characteristics. In addition, a lithium secondary battery comprising the negative electrode has the advantages of having excellent output characteristics, and enabling charging in a short time even at a 1C-rate.
H01M 10/0583 - Structure ou fabrication d'accumulateurs à éléments de structure pliés à l'exception des éléments enroulés, c.-à-d. des électrodes positives ou négatives pliées ou des séparateurs pliés, p. ex. à électrodes ou séparateurs en forme de Z
A sealing device according to an embodiment of the present invention can seal an object. The sealing device may comprise: a first block which includes a first sealing surface and a second sealing surface formed along a direction diverging from the first sealing surface, and which is provided to seal a plurality of target surfaces of the object; and a second block which is driven toward the first block so that the object can be brought into close contact with the first block. A first virtual surface perpendicular to the first sealing surface and a second virtual surface perpendicular to the second sealing surface may intersect each other.
According to an embodiment disclosed in the present document, a data analysis device may comprise: an information acquisition unit for acquiring a plurality of data sets, each of which includes time series data for a plurality of parameters; and a controller for extracting a feature of each of the plurality of data sets on the basis of a correlation between the plurality of parameters, extracting a pattern of each of the plurality of data sets on the basis of similarity between the extracted features, and classifying the plurality of data sets into a plurality of clusters on the basis of the pattern.
G06F 18/23213 - Techniques non hiérarchiques en utilisant les statistiques ou l'optimisation des fonctions, p. ex. modélisation des fonctions de densité de probabilité avec un nombre fixe de partitions, p. ex. K-moyennes
G01R 31/396 - Acquisition ou traitement de données pour le test ou la surveillance d’éléments particuliers ou de groupes particuliers d’éléments dans une batterie
85.
POSITIVE ELECTRODE ACTIVE MATERIAL, AND POSITIVE ELECTRODE SLURRY, POSITIVE ELECTRODE, AND LITHIUM SECONDARY BATTERY, EACH COMPRISING SAME
The present invention relates to a positive electrode active material, and a positive electrode, a positive electrode slurry, and a lithium secondary battery, each comprising the positive electrode active material, the positive electrode active material including: a lithium nickel-based oxide including nickel, cobalt, and manganese and having a nickel content of 90 mol % or more among metals excluding lithium; and a metal element M1 doped on the lithium nickel-based oxide, wherein the metal element M1 is at least one selected from the group consisting of Al, Ti, Zr, W, Mo, and Nb, and has an absolute value of zeta potential of 30 mV or greater as measured at room temperature.
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
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/505 - 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 4/1391 - Procédés de fabrication d'électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
86.
POSITIVE ELECTRODE ACTIVE MATERIAL, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY INCLUDING SAME
The present invention provides a positive electrode active material and a positive electrode and a lithium secondary battery including the positive electrode active material. The positive electrode active material includes a lithium composite transition metal oxide containing nickel, cobalt, manganese, and aluminum, wherein the nickel content of the lithium composite transition metal oxide is 90 mol% or more on the basis of metals excluding lithium, and Al/Ni, which is the molar ratio of aluminum to nickel, is 0.015 to 0.034.
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
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/505 - 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 4/1391 - Procédés de fabrication d'électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
87.
BATTERY CELL CAPABLE OF DETECTING LEAKAGE OF ELECTROLYTE AND BATTERY MODULE INCLUDING SAME
The present invention provides a battery cell (10) including: an electrode assembly; electrolyte; and a case (100) which accommodates the electrode assembly, into which the electrolyte is injected, and which includes a first part (P1) and a second part (P2) spaced apart from each other by a predetermined distance; and a leakage sensor (200) coupled to the case (100) to sense the electrolyte leaking to the outside through the first part (P1) and the second part (P2). The leakage sensor (200) may include a conductor (220) formed to surround the first part (P1) and the second part (P2) and constituting an electric circuit. When the leaking electrolyte comes into contact with the conductor (220), at least one of the resistance, current, or voltage of the electric circuit may change. The conductor (220) may include a first conductive part (222) formed to surround the first part (P1), a second conductive part (224) formed to surround the second part (P2), and a third conductive part (226) formed to connect the first conductive part (222) to the second conductive part (224).
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
G01M 3/16 - Examen de l'étanchéité des structures ou ouvrages vis-à-vis d'un fluide par utilisation d'un fluide ou en faisant le vide par détection de la présence du fluide à l'emplacement de la fuite en utilisant des moyens de détection électrique
H01M 50/103 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique prismatique ou rectangulaire
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
H01M 50/209 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules prismatiques ou rectangulaires
The present invention relates to a battery pack in which a cell assembly is accommodated, the battery pack being characterized by comprising: a pack case in which the cell assembly is seated; and an upper case coupled to the pack case so as to cover the upper portion of the cell assembly seated inside the pack case, wherein the upper case includes, at the lower end thereof, a protrusion part for pressing the upper portion of the cell assembly seated in the pack case.
A battery assembly of the present invention comprises: a plurality of battery cells: a cell frame in which the plurality of battery cells are accommodated; and a filling member which seals the top portion of the cell frame, wherein the battery assembly is provided with isolation parts which define cooling flow path spaces between the plurality of battery cells, the cooling flow path spaces being filled with a cooling medium, and isolate the cooling flow path spaces from the filling member.
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 50/242 - 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 contre les vibrations, les collisions ou le gonflement
H01M 50/289 - 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
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 50/213 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
90.
NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY COMPRISING SAME
The battery cell according to an embodiment of the present invention may comprise: an electrode assembly: a battery housing having an opening part provided on one side thereof and accommodating the electrode assembly through the opening part; a battery terminal configured to be electrically connected to the electrode assembly through a closing part provided on the opposite side of the opening part of the battery housing; and a current collector including a first coupling part configured to be electrically coupled to the electrode assembly, a second coupling part configured to be electrically coupled to the battery terminal, and a bridge part configured to electrically connect the first coupling part and the second coupling part, wherein the cross-sectional area of the bridge part is 5% or less of the total cross-sectional area of the current collector.
The technical idea of the present invention provides a battery cell assembly comprising: a cell block including a plurality of cells; a first cover plate facing a first surface of the cell block and including a first cooling channel; a second cover plate facing a second surface of the cell block and including a second cooling channel; a supply pipe into which a cooling fluid supplied from the outside is introduced, and which includes a first supply flow path connected to an inlet of the first cooling channel and a second supply flow path connected to an inlet of the second cooling channel; and a discharge pipe which discharges the cooling fluid to the outside, and which includes a first discharge flow path connected to an outlet of the first cooling channel and a second discharge flow path connected to an outlet of the second cooling channel.
The present invention relates to a battery module and, more specifically, to a battery module which can prevent leaked electrolyte from corroding internal components of the battery module when electrolyte leakage occurs in a secondary battery inside the battery module and can prevent an internal short from occurring inside the battery module, thereby ultimately improving the safety of the entire module. The battery module according to the present invention comprises: a cell assembly including a plurality of secondary batteries each having a plurality of electrode leads and arranged to be stacked in at least one direction; and a bus bar assembly including a plurality of bus bars electrically connecting the plurality of secondary batteries to each other and having one or more through-holes formed therein to allow the electrode leads to be inserted thereinto, and a bus bar frame configured to allow the plurality of bus bars to be mounted thereon, wherein in the bus bars, an immersion area that is an area immersed by electrolyte when the electrolyte leaks from the secondary batteries, is anti-corrosion treated.
H01M 50/571 - Procédés ou dispositions de protection contre la corrosionSélection de matériaux à cet effet
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
H01M 50/574 - Dispositifs ou dispositions pour l’interruption du courant
The present invention relates to a lithium secondary battery comprising: a cathode; an anode; and a separator provided between the cathode and the anode, the cathode comprising, as a cathode active material, lithium composite transition metal compound particles in a single particle form containing nickel, cobalt, and manganese, the anode comprising silicon-based particles as an anode active material, wherein the specific surface area of the silicon-based particles is at least four times that of the lithium composite transition metal compound particles.
H01M 4/48 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques
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 4/505 - 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 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/583 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx
The present invention provides a positive electrode active material composite, a positive electrode comprising same, and a lithium-ion secondary battery comprising the positive electrode, wherein the positive electrode active material composite comprises: a positive electrode active material substrate; and a coating layer applied on the positive electrode active material substrate, wherein the coating layer comprises a coating substrate including Li, Ta, Ti, and O, and each element in the coating substrate has a molar ratio of 3.5≤Li≤4.5, 4.5≤Ti≤5.4, 10
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
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 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
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 4/02 - Électrodes composées d'un ou comprenant un matériau actif
The present invention relates to an electrode assembly, a secondary battery comprising the electrode assembly, and an electrode assembly manufacturing method. The electrode assembly according to the present invention comprises: an electrode stack formed from a plurality of alternately stacked electrodes and separators; and electrode leads electrically connected to the electrode stack, wherein: the electrode includes an electrode current collector including an electrode tab that extends from an end portion thereof; the electrode current collector includes a polymer layer and metal layers, each stacked on one of two surfaces of the polymer layer in the stacking direction; the electrode tabs of the electrode current collectors respectively provided in the plurality of electrodes form tab stacks that are gathered together, and further include metal clips that surround end portions of the tab stacks; and the electrode leads are connected to one-side portions of the metal clips so as to be electrically connected to the electrode stack.
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 50/533 - Connexions d’électrodes dans un boîtier de batterie caractérisées par la forme des conducteurs ou des languettes
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
97.
ELECTRODE CURRENT COLLECTOR, ELECTRODE ASSEMBLY COMPRISING ELECTRODE CURRENT COLLECTOR, AND METHOD FOR MANUFACTURING ELECTRODE CURRENT COLLECTOR
The present invention relates to an electrode current collector, an electrode assembly including the electrode current collector, and a method for manufacturing the electrode current collector. The electrode current collector according to the present invention is an electrode current collector including an electrode tab extending from an end thereof and comprises: a polymer layer; and a first metal layer and a second metal layer stacked on both surfaces of the polymer layer, wherein a concave portion concave toward the polymer layer, is formed in at least one of the first metal layer or the second metal layer in the electrode tab.
H01M 50/536 - Connexions d’électrodes dans un boîtier de batterie caractérisées par le procédé de fixation des conducteurs aux électrodes, p. ex. soudage
98.
METHOD FOR MANUFACTURING SOLID ELECTROLYTE MEMBRANE
The present invention relates to a method for manufacturing a solid electrolyte membrane. More specifically, a solid electrolyte membrane can be manufactured by fiberizing a small amount of binders through dry calendering. Since the fiberized binders are included in the solid electrolyte membrane while entangled with each other, both excellent ion conductivity and strength characteristics are exhibited.
A polymer solid electrolyte, a method for manufacturing the same, and an all-solid-state battery including the same are provided. The polymer solid electrolyte comprises an ion conducting polymer and a polymer particles having a density similar to that of the ion conducting polymer, thereby enhancing uniformity of the polymer solid electrolyte, and improving the strength of the polymer solid electrolyte.
H01M 10/0565 - Matériaux polymères, p. ex. du type gel ou du type solide
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
Disclosed are a notching device and a controlling method thereof. The notching device of the present invention includes a notching module configured to form a plurality of electrode tabs in an electrode sheet; a visual unit configured to photograph the plurality of electrode tabs in the electrode sheet fed from the notching module; a detection unit configured to compare data on the plurality of electrode tabs photographed by the visual unit with reference data to calculate a distribution of the plurality of electrode tabs; a visual guide unit having a passage through which the electrode tabs pass and movably installed to press the plurality of electrode tabs; and a control unit configured to control the visual guide unit to be moved to press the plurality of electrode tabs to correct a distribution amount of the plurality of electrode tabs.
B26D 5/00 - Dispositions pour manœuvrer et commander les machines ou les dispositifs de coupe, découpage, poinçonnage, perforation ou séparation autrement que par coupe
