Abrégé

A secondary battery according to an embodiment of the present disclosure may include: a housing having an accommodation space; and a venting portion disposed in the housing and openable by pressure of the accommodation space, and the venting portion may include: a venting cover having one surface facing the accommodation space; a notch portion formed in the venting cover; and a protrusion portion protruding toward the notch portion.

Classes IPC  ?

• H01M 50/342 - Aménagements non refermables
• H01M 50/103 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique prismatique ou rectangulaire
• H01M 50/15 - Couvercles caractérisés par leur forme pour des cellules prismatiques ou rectangulaires

Abrégé

A liquid injection device according to an exemplary embodiment of the present disclosure is a liquid injection device for injecting an electrolyte into a battery case of a secondary battery, which includes: a nozzle member having a closed-loop shape and disposed in the injection port of the battery case; and a main rib extending from the nozzle member toward a central part of the nozzle member to support the nozzle member, and the nozzle member may press the inner surface of the battery case outward in a radial direction.

Classes IPC  ?

• H01M 50/618 - Contrôle de la pression
• H01M 50/107 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique ayant une section transversale courbe, p. ex. ronde ou elliptique
• H01M 50/167 - Couvercles caractérisés par le procédé d’assemblage des boîtiers avec des couvercles par sertissage
• H01M 50/627 - Ouvertures de remplissage

Abrégé

A heating press for pressing a folded portion formed on a terrace disposed on at least a portion of a circumference of an electrode-accommodating portion of a battery cell, including a first press including a first pressing surface pressing a first surface of the folded portion; and a second press including a second pressing surface pressing a second surface of the folded portion and a protruding pressing surface pressing an inner side region of the terrace, wherein the protruding pressing surface protrudes from the second pressing surface toward the first pressing surface and presses the inner side region together with the first pressing surface, and the inner side region is located between the folded portion and the electrode-accommodating portion, is disclosed.

Classes IPC  ?

• H01M 10/04 - Structure ou fabrication en général
• H01M 50/105 - Poches ou sacs souples

Abrégé

The present disclosure relates to an electronic assembly including a first electrode including a first uncoated portion, a first flag portion formed by extending a part of the first uncoated portion, and a first extension portion connecting the first uncoated portion and the first flag portion, a second electrode, and a separator arranged between the first electrode and the second electrode, wherein the first electrode, the second electrode, and the separator are wound in a form of a roll around a virtual winding center, and wherein the first flag portion comprises at least one inner bent region bent in the winding center direction and at least one outer bent region bent in an opposite direction to the winding center direction.

Classes IPC  ?

• H01M 50/533 - Connexions d’électrodes dans un boîtier de batterie caractérisées par la forme des conducteurs ou des languettes
• H01M 10/04 - Structure ou fabrication en général

Abrégé

Provided are a negative electrode for a lithium secondary battery and a method of manufacturing the same. The negative electrode for a lithium secondary battery according to an embodiment of the present invention includes a silicon-based material doped with lithium having a content A, iron having a content B, and aluminum having a content C, wherein, by ICP analysis, Provided are a negative electrode for a lithium secondary battery and a method of manufacturing the same. The negative electrode for a lithium secondary battery according to an embodiment of the present invention includes a silicon-based material doped with lithium having a content A, iron having a content B, and aluminum having a content C, wherein, by ICP analysis, 5 , 000 ⁢ ppm ≤ A ≤ 150 , TagBox[",", "NumberComma", Rule[SyntaxForm, "0"]] 000 ⁢ ppm , 5 ⁢ ppm ≤ B ≤ 1 , TagBox[",", "NumberComma", Rule[SyntaxForm, "0"]] 500 ⁢ ppm , 2.5 ppm ≤ C ≤ 1 , TagBox[",", "NumberComma", Rule[SyntaxForm, "0"]] 000 ⁢ ppm .

Classes IPC  ?

• H01M 4/134 - Électrodes à base de métaux, de Si ou d'alliages
• B82Y 30/00 - Nanotechnologie pour matériaux ou science des surfaces, p. ex. nanocomposites
• H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
• H01M 4/139 - Procédés de fabrication
• H01M 10/052 - Accumulateurs au lithium

Abrégé

Proposed is a dual slot die coater, which includes a first die block provided with a first manifold for accommodating the first coating material, a second die block provided on one side of the first die block, a third die block interposed between the first die block and the second die block, a second manifold provided in either the second die block or the third die block and accommodating a second coating material, and a temperature controller provided in the first die block and capable of controlling temperature.

Classes IPC  ?

• B05C 11/10 - Stockage, débit ou réglage du liquide ou d'un autre matériau fluideRécupération de l'excès de liquide ou d'un autre matériau fluide
• B05C 5/02 - Appareillages dans lesquels un liquide ou autre matériau fluide est projeté, versé ou répandu sur la surface de l'ouvrage à partir d'un dispositif de sortie en contact, ou presque en contact, avec l'ouvrage
• B05C 9/06 - Appareillages ou installations pour appliquer des liquides ou d'autres matériaux fluides aux surfaces par des moyens non prévus dans l'un des groupes , ou dans lesquels le moyen pour déposer le liquide ou autre matériau fluide n'est pas important pour appliquer deux liquides ou autres matériaux fluides différents, ou le même liquide ou matériau fluide deux fois, sur le même côté de l'ouvrage
• H01M 4/04 - Procédés de fabrication en général

Abrégé

A secondary battery according to various embodiments of the present disclosure includes a battery can configured to accommodate an electrode assembly through an open end; a cap plate coupled to the open end; and a sealing gasket interposed between the battery can and the cap plate, wherein the cap plate includes a flat part and a raised part protruding from the flat part toward at least one axial direction of the battery can.

Classes IPC  ?

• H01M 50/152 - Couvercles caractérisés par leur forme pour des cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
• H01M 50/184 - Éléments de scellement caractérisés par leur forme ou leur structure
• H01M 50/186 - Éléments de scellement caractérisés par la position des éléments de scellement

Abrégé

A cathode active material for a lithium secondary battery according to embodiments of the present disclosure includes lithium-metal oxide particles having a sphericity of 0.96 or less and an elongation of 0.25 to 0.5. The elongation is calculated as (1−b/a). Here, a denotes the length of the major axis of the lithium-metal oxide particle in a cross-sectional image of the lithium-metal oxide particles observed using SEM, and b denotes the length of the minor axis of the lithium-metal oxide particle in the cross-sectional SEM image of the lithium-metal oxide particles.

Classes IPC  ?

• 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
• 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

Abrégé

According to an embodiment of the present disclosure, provided is a battery module including: a housing having an accommodation space; a cell assembly accommodated in the accommodation space and including a plurality of battery cells; a first cooling port through which a cooling fluid flows into the accommodation space; a second cooling port, disposed to face the first cooling port in a first direction and through which the cooling fluid is discharged to the outside of the accommodation space; and a flow plate provided with a plurality of flow channels extending in the first direction to allow the cooling fluid to flow in the first direction in the accommodation space, and the flow plate is disposed on at least one side of the cell assembly based on a second direction, perpendicular to the first direction.

Classes IPC  ?

• H01M 10/6554 - Barres ou plaques
• H01M 10/613 - Refroidissement ou maintien du froid
• H01M 10/6556 - Composants solides comprenant des canaux d'écoulement ou des tubes pour un échange de chaleur
• 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 50/271 - Couvercles des boîtiers secondaires, des bâtis ou des blocs
• 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

Abrégé

Proposed is a processing device including a fixing pert configured to fix a member to be processed, a marking part configured to attach a mark to the member to be processed, a cutting part configured to cut the member to be processed to a predetermined length, and a controller configured to control the fixing part, the marking part, and the cutting part to be individually driven in forward and backward directions.

Classes IPC  ?

• 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
• B65H 7/02 - Commande de l'alimentation en articles, de l'enlèvement des articles, de l'avance des piles ou d'appareils associés permettant de tenir compte d'une alimentation incorrecte, de la non présence d'articles ou de la présence d'articles défectueux par palpeurs ou détecteurs
• B65H 37/00 - Appareils délivrant des articles ou des bandes, comportant des dispositifs pour exécuter des opérations auxiliaires particulières
• H01M 4/04 - Procédés de fabrication en général

Abrégé

Proposed is a raw material input apparatus, including a main body part moving a material contained in a container through an internal flow path, an inlet part penetrated at a side of the main body part to communicate with the internal flow path, and an input part connected to the inlet pert so as to be erected vertically, penetrated to communicate with the internal flow path, and having a sharp first end.

Classes IPC  ?

• B65G 65/40 - Dispositifs pour vider autrement que par le haut

Abrégé

A monomer for an electrolyte according to the embodiments of the present disclosure may include a compound represented by Formula 1. A lithium secondary battery according to the embodiments of the present disclosure includes a cathode, an anode, and an electrolyte, wherein the electrolyte may include a polymer of the compound represented by Formula 1. A monomer for an electrolyte according to the embodiments of the present disclosure may include a compound represented by Formula 1. A lithium secondary battery according to the embodiments of the present disclosure includes a cathode, an anode, and an electrolyte, wherein the electrolyte may include a polymer of the compound represented by Formula 1. A monomer for an electrolyte according to the embodiments of the present disclosure may include a compound represented by Formula 1. A lithium secondary battery according to the embodiments of the present disclosure includes a cathode, an anode, and an electrolyte, wherein the electrolyte may include a polymer of the compound represented by Formula 1. wherein X1, X2 and X3 are each independently a halogen element, R1, R2 and R3 are each independently hydrogen, a halogen element, a substituted or unsubstituted C1 to C6 alkyl group, or a polymerizable group, and at least one of R1, R2 or R3 is a polymerizable group.

Classes IPC  ?

• H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
• C07F 9/6593 - Triaza-1,3,5-triphosphorines-2,4,6
• C08F 222/22 - Esters contenant de l'azote
• H01M 10/052 - Accumulateurs au lithium
• H01M 10/056 - Accumulateurs à électrolyte non aqueux caractérisés par les matériaux utilisés comme électrolytes, p. ex. électrolytes mixtes inorganiques/organiques

Abrégé

A battery module according to an embodiment of the present disclosure may include: a plurality of battery cells; a housing accommodating the plurality of battery cells in an internal accommodating space and including a bent portion bent at a predetermined curvature; and a sealing pad attached to the housing to at least partially contact the bent portion, wherein the sealing pad includes: a pad body corresponding at least partially to the bent portion; and a stress mitigating portion disposed in a portion of the pad body corresponding to the bent portion and dispersing stress in a portion thereof corresponding to the bent portion.

Classes IPC  ?

• H01M 50/60 - Dispositions ou procédés pour le remplissage ou la mise à niveauDispositions ou procédés pour le drainage des liquides des boîtiers
• A62C 3/16 - Prévention, limitation ou extinction des incendies spécialement adaptées pour des objets ou des endroits particuliers dans les installations électriques, p. ex. chemins de câbles
• A62D 1/02 - Compositions pour éteindre les incendiesEmploi de produits chimiques pour éteindre les incendies contenant ou produisant une phase gazeuse, p. ex. de la mousse
• H01M 50/204 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules
• 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 50/507 - 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 50/588 - Moyens pour empêcher un usage ou une décharge indésirables pour empêcher les contacts incorrects à l’intérieur ou à l’extérieur des batteries à l’extérieur des batteries, p. ex. les contacts incorrects des bornes ou des barres omnibus

Abrégé

A cylindrical secondary battery includes a cylindrical case with open upper and lower portions, an electrode assembly including a negative electrode plate, a positive electrode plate, and a separator and accommodated in the case, a positive electrode cap sealing the open upper portion of the case, and a negative electrode cap sealing the open lower portion of the case, wherein the case includes a step portion formed along the perimeter of the open lower portion, the negative electrode cap is mounted on the step portion, and the step portion is configured such that at least a portion thereof protrudes in an inward direction to support a lower portion of the electrode assembly, the inward direction being toward a central axis of a circular cross-section of the case.

Classes IPC  ?

• H01M 50/533 - Connexions d’électrodes dans un boîtier de batterie caractérisées par la forme des conducteurs ou des languettes
• H01M 10/04 - Structure ou fabrication en général
• H01M 50/107 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique ayant une section transversale courbe, p. ex. ronde ou elliptique
• H01M 50/152 - Couvercles caractérisés par leur forme pour des cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
• H01M 50/474 - Éléments d'espacement à l'intérieur des cellules autres que les séparateurs, les membranes ou les diaphragmesLeurs procédés de fabrication caractérisés par leur position dans les cellules
• H01M 50/627 - Ouvertures de remplissage

Abrégé

According to the present disclosure, there is provided a cathode active material for a secondary battery, which includes lithium transition metal oxide particles containing nickel in a content of 80 mol % or more, based on a total number of moles of elements excluding lithium and oxygen, and cobalt. An average content of cobalt in a surface portion of the particle, based on the total number of moles of elements excluding lithium and oxygen is higher than an average content of cobalt in a central portion of the particle, based on the total number of moles of elements excluding lithium and oxygen.

Classes IPC  ?

• 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

Abrégé

According to the present invention, there may be provided a battery cell and a battery module including same, in which a scaling portion sealing a case of the battery cell has formed a folded portion, and a taping structure is introduced only on a portion of the case and the folded portion, so that the deformation of the sealing portion is suppressed and there is no reduction in the cooling effect on the battery cell.

Classes IPC  ?

• 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 10/613 - Refroidissement ou maintien du froid
• H01M 10/647 - Éléments prismatiques ou plans, p. ex. éléments de type poche
• H01M 10/6551 - Surfaces spécialement adaptées à la dissipation de la chaleur ou à la radiation, p. ex. nervures ou revêtements
• H01M 10/6554 - Barres ou plaques
• H01M 50/105 - Poches ou sacs souples

Abrégé

A solid electrolyte sheet 100 includes a first solid electrolyte layer 10 and a second solid electrolyte layer 20, respectively including a solid electrolyte. During LSV analysis according to linear sweep voltammetry, in the first solid electrolyte layer 10, a voltage at which an oxidation peak appears is more than 2.8 V (Li/Li+) or no oxidation peak appears, and in the second solid electrolyte layer 20, a voltage at which a reduction peak appears is −1.0 V (Li/Li+) or more and less than 1.0 V (Li/Li+). The composite solid electrolyte sheet including both the solid electrolyte layer with excellent oxidation stability and the solid electrolyte layer with excellent reduction stability has a wide range of a potential window, so that it can effectively suppress the deterioration of performance, such as discharge capacity and lifespan maintenance rate, during high-voltage charging of the battery.

Classes IPC  ?

• H01M 50/449 - Séparateurs, membranes ou diaphragmes caractérisés par le matériau ayant une structure en couches
• H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
• H01M 10/0562 - Matériaux solides
• H01M 50/411 - Matériau organique
• H01M 50/491 - Porosité

Abrégé

An X-ray inspection device according the present disclosure includes an X-ray output part irradiating X-rays, a transfer part transferring a battery to a location where X-rays are irradiated, an X-ray detector detecting the X-rays and obtaining a plurality of gray values, a signal processor acquiring an X-ray image including the plurality of gray values, and an inspector determining suitability of inspection settings by analyzing the plurality of gray values of the X-ray image, in which the X-ray output part comprises: an X-ray emitter emitting the X-rays, and a shutter exposing the X-ray emitter to the outside by an opening operation.

Classes IPC  ?

• G01N 23/04 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux

Abrégé

A battery module includes a housing; a first battery cell and a second battery cell accommodated inside the housing; a first conductive member electrically connecting the first battery cell and the second battery cell, partially embedded in the housing to be fixed to the housing, and not exposed to the outside of the housing, and a second conductive member electrically connected to the first conductive member and partially exposed to the outside of the housing.

Classes IPC  ?

• 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 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
• H01M 50/296 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par les bornes des blocs de batterie
• H01M 50/30 - Aménagements pour faciliter l’échappement des gaz

Abrégé

Provided are an electrode for a secondary battery, a method for manufacturing the same, and a secondary battery including the same. The present disclosure may improve surface quality of the electrode, increase productivity, and also improve life characteristics simultaneously, by controlling drying rates of a center part and a side part based on a width direction of the electrode similarly to solve problems such as a rise, cracks, or wrinkles of the side part which occur on a surface of an electrode. The present example embodiment may provide an electrode for a secondary battery including: a current collector; and an electrode active material layer placed on at least one surface of the current collector, wherein the following Relation 1 is satisfied: [Relation 1] Sa≤10.0 wherein Sa is an average surface roughness value of a side part based on a width direction of the electrode active material layer.

Classes IPC  ?

• H01M 4/04 - Procédés de fabrication en général
• H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif

Abrégé

The present invention provides an anode for a secondary battery, which includes an anode current collector and an anode active material layer which is formed on the anode current collector, and includes a silicon-based active material and a conductive material including single-walled carbon nanotubes. The single-walled carbon nanotube has a Raman R value (a D band peak intensity (Id)/a G band peak intensity (Ig)) of 0.01 to 0.1.

Classes IPC  ?

• H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
• 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

Abrégé

A secondary battery semi-finished product mixed loading device for loading a secondary reel or roll according to the present disclosure includes: a rack erected vertically on ground; a tray loaded on the rack; and a stacker crane transporting the tray and loading the tray on the rack, in which the secondary battery reel or roll may be mounted on the tray.

Classes IPC  ?

• B65G 1/04 - Dispositifs d'emmagasinage mécaniques
• B65H 49/38 - Wagonnets, cabines, casiers ou réceptacles adaptés uniquement pour le transport ou le stockage de bobines, cannettes ou pièces analogues

Abrégé

An anode active material for a lithium secondary battery according to embodiments of the present disclosure includes a first anode active material which includes a carbon-based active material; and a second anode active material which includes a silicon-based active material with a carbon content of 1% by weight or less, wherein a content of the second anode active material is 0.1% by weight to 9% by weight based on the total weight of the anode active material, and a peak intensity ratio of a Raman spectrum of the second anode active material defined by a predetermined equation is 0.5 to 2.3. Accordingly, the resistance and expansion rate of the anode are reduced, and the output characteristics of the lithium secondary battery are improved.

Classes IPC  ?

• H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
• H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
• H01M 4/133 - Électrodes à base de matériau carboné, p. ex. composés d'intercalation du graphite ou CFx
• H01M 4/134 - Électrodes à base de métaux, de Si ou d'alliages
• H01M 4/48 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques
• H01M 4/583 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx
• H01M 10/052 - Accumulateurs au lithium

Abrégé

Proposed is an apparatus and method for manufacturing a dry electrode sheet. The apparatus includes a material feeder supplying an electrode material, a pair of sheet forming rollers facing each other and forming an electrode sheet by pressurizing the electrode material supplied from the material feeder, a first force sensor connected to each of the sheet forming rollers and measuring a force applied to each of the sheet forming rollers, a thickness sensor measuring a thickness of the electrode sheet, a gap adjuster connected to each of the sheet forming rollers and adjusting the gap between the sheet forming rollers, and a controller controlling the gap adjuster to adjust the gap between the sheet forming rollers on the basis of a force value measured by the first force sensor so that the thickness of the electrode sheet received from the thickness sensor matches a target value.

Classes IPC  ?

• H01M 4/04 - Procédés de fabrication en général

Abrégé

The present disclosure relates to a battery module, a battery pack including the same, and an assembling method of the battery pack. The battery module includes a plurality of battery cells arranged in a predetermined stacking direction, a busbar electrically connecting the plurality of battery cells, a sensor electrically connected to the plurality of battery cells through the busbar, and a cell detector measuring voltages or currents in the plurality of battery cells by the sensor, wherein the cell detector is arranged in a first area provided on a side of the plurality of battery cells.

Classes IPC  ?

• H01M 50/204 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules
• H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
• H01M 50/244 - Boîtiers secondairesBâtisDispositifs de suspensionDispositifs de manutentionSupports caractérisés par leur procédé de montage
• H01M 50/30 - Aménagements pour faciliter l’échappement des gaz
• 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 50/569 - 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

Abrégé

An electrode for a lithium secondary battery includes an electrode current collector, and an electrode mixture layer and an insulating layer on at least one surface of the electrode current collector. The insulating layer includes a metal-organic framework (MOF). According to an embodiment, a lithium secondary battery with improved safety may be provided.

Classes IPC  ?

• H01M 50/486 - Matériau organique
• H01M 10/052 - Accumulateurs au lithium
• H01M 50/474 - Éléments d'espacement à l'intérieur des cellules autres que les séparateurs, les membranes ou les diaphragmesLeurs procédés de fabrication caractérisés par leur position dans les cellules
• H01M 50/586 - 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

Abrégé

A dry electrode composition including: an electrode active material; a particulate binder in which fibers aggregate to form bundles; and a plasticizer, wherein the binder is fiberizable by heat and pressure, a method for manufacturing a dry electrode sheet for a secondary battery using the dry electrode composition, and an electrode and a secondary battery including the dry electrode sheet are provided.

Classes IPC  ?

• 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 4/04 - Procédés de fabrication en général

Abrégé

An electrolyte for a lithium secondary battery according to embodiments of the present disclosure may include an organic solvent, a lithium salt, and a phosphonate-based additive represented by Formula 1. The lithium secondary battery according to embodiments of the present disclosure may include a cathode, an anode disposed opposite to the cathode, and the electrolyte for a lithium secondary battery including a phosphonate-based additive represented by Formula 1.

Classes IPC  ?

• H01M 10/0567 - Matériaux liquides caracterisés par les additifs
• H01M 10/052 - Accumulateurs au lithium

Abrégé

An electrolyte for a lithium secondary battery according to exemplary embodiments includes an additive including a compound having a structure represented by Formula 1, an organic solvent and a lithium salt. The electrolyte for a lithium secondary battery according to exemplary embodiments may form a uniform and stable solid electrolyte interphase (SEI) with high ionic conductivity on the electrode surface. Accordingly, a lithium secondary battery including the electrolyte for a lithium secondary battery may exhibit improved low-temperature performance and high-temperature stability.

Classes IPC  ?

• H01M 10/0567 - Matériaux liquides caracterisés par les additifs
• H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
• H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFyEmploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p. ex. phosphates, silicates ou borates
• H01M 10/052 - Accumulateurs au lithium
• H01M 10/0569 - Matériaux liquides caracterisés par les solvants

Abrégé

An anode active material for a lithium secondary battery according to the embodiments of the present disclosure includes composite particles comprising carbon-based particles and silicon-containing particles including silicon and hydrogen disposed on the surface of the carbon-based particles and an H/Si ratio of the composite particles, defined by Equation 2, is 0.5% to 5.3%.

Classes IPC  ?

• C01B 32/05 - Préparation ou purification du carbone non couvertes par les groupes , , ,
• H01M 10/052 - Accumulateurs au lithium

Abrégé

A battery module includes a cell assembly including a plurality of battery cells, each battery cell including a body portion configured to accommodate an electrode assembly and an electrode lead electrically connected to the electrode assembly, the plurality of battery cells being arranged relative to each other in a first direction; a side plate extending to be disposed on at least one side of the cell assembly in the first direction; and a pressurizing member disposed on an inner side of the side plate and configured to apply pressure to a portion of the cell assembly adjacent to the electrode lead.

Classes IPC  ?

• H01M 10/04 - Structure ou fabrication en général
• 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 50/548 - Bornes caractérisées par la position des terminaux sur les cellules sur des côtés opposés de la cellule
• H01M 50/557 - Bornes en forme de plaque

Abrégé

The present disclosure relates to a battery manufacturing apparatus and a controlling method thereof. The battery manufacturing apparatus includes a plurality of cell processors arranged in a first direction, the plurality of cell processors each including a heating unit to heat a battery cell, and a movement adjuster adjusting a distance between the plurality of cell processors by moving the plurality of cell processors in the first direction, wherein one cell processor among the plurality of cell processors maintains a distance between the one cell processor and another cell processor adjacent to the one cell processor at a predetermined target distance by the movement adjuster, and heats the battery cell mounted on the one cell processor together with the another cell processor adjacent to the one cell processor.

Classes IPC  ?

• H01M 10/04 - Structure ou fabrication en général

Abrégé

A battery cell pouch inspection device of the present disclosure includes: an inspection portion measuring insulation resistance of a battery cell pouch using a probe; a thermal detection portion photographing one surface of the battery cell pouch to generate a thermographic image according to temperature distribution; and a control portion analyzing an insulation resistance signal measured by the inspection portion and the thermographic image to determine whether the battery cell pouch is defective.

Classes IPC  ?

• H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
• G01N 25/72 - Recherche de la présence de criques
• G01R 31/385 - Dispositions pour mesurer des variables des batteries ou des accumulateurs
• G01R 31/389 - Mesure de l’impédance interne, de la conductance interne ou des variables similaires
• H01M 50/105 - Poches ou sacs souples

Abrégé

A battery cell according to an embodiment of the present disclosure may include an electrode assembly in which a plurality of separators are disposed between a plurality of electrode plates; a plurality of electrode tabs extending from the plurality of electrode plates and bonded to an electrode lead; and a plurality of short-circuit blocking portions in which one surface thereof is bonded to the separator, and the other surface thereof is bonded to the electrode tabs to suppress movement of the electrode tab.

Classes IPC  ?

• 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 10/0585 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure plats, c.-à-d. des électrodes positives plates, des électrodes négatives plates et des séparateurs plats
• H01M 50/54 - Connexion de plusieurs conducteurs ou languettes d’électrodes empilées en forme de plaque, p. ex. barrettes ou ponts de pôles d’électrode

Abrégé

The present disclosure relates to a pad, a battery module including the pad, and a battery pack according to embodiments of the present disclosure. The pad according to an embodiment may include a surface pressure layer having a shape of a sheet, a first barrier layer and a second barrier layer respectively stacked on both surfaces of the surface pressure layer in a predetermined stacking direction, and a reinforcement layer arranged in the predetermined stacking direction.

Classes IPC  ?

• 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 50/293 - 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

Abrégé

The present disclosure relates to a battery module having significantly improved insulation properties. According to an aspect of the present disclosure, there is provided a battery module including: a cell stack including a plurality of battery cells; a flexible printed circuit board positioned on at least one surface of the cell stack; and a housing having an internal accommodation space in which the cell stack and the flexible printed circuit board are accommodated, wherein the flexible printed circuit board includes a base substrate, a metal layer positioned on the base substrate, and an insulating layer positioned on the metal layer, and the insulating layer includes a plurality of stacked polyimide layers, and a first adhesive layer positioned between the adjacent polyimide layers.

Classes IPC  ?

• 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 50/204 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules
• H01M 50/284 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports comprenant l’insertion de cartes de circuits, p. ex. de cartes de circuits imprimés

Abrégé

The present disclosure relates to a battery assembly comprising: a plurality of battery cells stacked and arranged in a predetermined stacking direction; an accommodation case housing the plurality of battery cells; an insertion space formed between the plurality of battery cells and the accommodation case along the stacking direction; and a thermal delay assembly located in the insertion space, the thermal delay assembly including: a fire-extinguishing member; and a columnar housing member housing the fire-extinguishing members therein and extending along a height direction of the accommodation case; and an assembly method thereof.

Classes IPC  ?

• 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
• A62C 3/16 - Prévention, limitation ou extinction des incendies spécialement adaptées pour des objets ou des endroits particuliers dans les installations électriques, p. ex. chemins de câbles
• A62C 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
• 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 50/222 - Matériau inorganique
• H01M 50/271 - Couvercles des boîtiers secondaires, des bâtis ou des blocs

Abrégé

The present disclosure relates to a battery cell including an electrode assembly; a body case including an opening on one surface and accommodating the electrode assembly therein through the opening; a coupling region located adjacent to the opening along at least a portion of a circumference of the opening in one region of the body case; a coupling hole penetrating the body case in the coupling region; a cover portion including a terminal portion electrically connecting the electrode assembly to an outside and coupled to the body case in the coupling region to cover the opening; and an adhesive member cured by being located on an inner side surface of the body case and an outer side surface of the body case in the coupling region through the coupling hole and combining the cover portion and the body case, and a manufacturing method of the battery cell.

Classes IPC  ?

• H01M 50/171 - Couvercles caractérisés par le procédé d’assemblage des boîtiers avec des couvercles avec des agents adhésifs ou de scellement
• H01M 10/04 - Structure ou fabrication en général
• H01M 50/103 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique prismatique ou rectangulaire
• H01M 50/15 - Couvercles caractérisés par leur forme pour des cellules prismatiques ou rectangulaires

Abrégé

The present disclosure relates to a system for inspecting battery and an inspecting method of battery, wherein the system for inspecting battery may comprise a station unit where a battery to be inspected is disposed; and an inspection unit configured to contact a current conductive member with an exterior material of the battery disposed in the station unit, apply a voltage to the current conductive member, and measure a change in the voltage.

Classes IPC  ?

• G01R 31/385 - Dispositions pour mesurer des variables des batteries ou des accumulateurs
• H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
• H01M 50/105 - Poches ou sacs souples

Abrégé

A cathode active material for a lithium secondary battery of embodiments of the present invention includes a lithium composite oxide, a first coating part formed on a surface of the lithium composite oxide and containing aluminum, and a second coating part formed on the first coating part and containing boron. Thereby, stability and electrical characteristics of the secondary battery may be improved.

Classes IPC  ?

• 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 4/04 - Procédés de fabrication en général
• H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
• H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
• H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium

Abrégé

A pouch-type secondary battery according to one embodiment of the present invention comprises: a pouch member having an inner space; an electrode assembly accommodated in the inner space of the pouch member; a guide frame accommodated in the inner space of the pouch member; and a pipe for allowing communication between the outside and the inside of the pouch member, wherein the pipe can pass through the pouch member and at least one portion of the guide frame.

Classes IPC  ?

• H01M 50/627 - Ouvertures de remplissage
• H01M 50/105 - Poches ou sacs souples
• H01M 50/126 - Boîtiers primairesFourreaux ou enveloppes caractérisés par le matériau ayant une structure en couches comprenant au moins trois couches
• H01M 50/186 - Éléments de scellement caractérisés par la position des éléments de scellement

Abrégé

A battery assembly includes a plurality of battery cells stacked in a preset stacking direction, a receiving housing receiving the plurality of battery cells, a cell receiving space receiving the plurality of battery cells in the receiving housing, a supporting portion forming a flow path separated from the cell receiving space at a lower portion of the cell receiving space, a fixing portion arranged on one surface of opposite surfaces of the supporting portion which faces the cell receiving space and fixing the plurality of battery cells to the supporting portion, a cooling portion including a plate-shaped first pad positioned between the plurality of battery cells in the stacking direction, and an immersion material in contact with the plurality of battery cells in the cell receiving space and passing through the flow path.

Classes IPC  ?

• H01M 10/6557 - Composants solides comprenant des canaux d'écoulement ou des tubes pour un échange de chaleur disposés entre les éléments
• H01M 10/613 - Refroidissement ou maintien du froid
• H01M 10/647 - Éléments prismatiques ou plans, p. ex. éléments de type poche
• 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
• H01M 10/6567 - Liquides
• H01M 50/264 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports avec des moyens de fixation, p. ex. des serrures pour des cellules ou des batteries, p. ex. cadres périphériques, courroies ou tiges
• H01M 50/289 - 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

Abrégé

An electrolyte for the lithium secondary battery according to embodiments of the present disclosure includes an additive including a complex containing a boroxine compound, a lithium salt and an organic solvent. Accordingly, a lithium secondary battery including the electrolyte for a lithium secondary battery exhibits improved high-temperature storage characteristics and cycle life characteristics.

Classes IPC  ?

• H01M 10/0567 - Matériaux liquides caracterisés par les additifs
• H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
• H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
• H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
• H01M 4/583 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx
• H01M 10/052 - Accumulateurs au lithium
• H01M 10/0568 - Matériaux liquides caracterisés par les solutés
• H01M 10/0569 - Matériaux liquides caracterisés par les solvants

Abrégé

A cathode active material for a lithium secondary battery according to embodiments of the present disclosure comprises a lithium-sulfur-metal-containing portion and lithium-transition metal oxide particles having a minimum particle diameter (Dmin) of greater than 1 μm, wherein a relative standard deviation of the sulfur signal values of the lithium-transition metal oxide particles, as measured repeatedly ten times by X-ray photoelectron spectroscopy (XPS) analysis, is 10.5% or less.

Classes IPC  ?

• C01G 53/506 - Oxydes complexes contenant du nickel et au moins un autre élément métallique contenant des métaux alcalins, p. ex. LiNiO2 contenant du manganèse du type (MnO2)n-, p. ex. Li(NixMn1-x)O2 ou Li(MyNixMn1-x-y)O2 contenant du lithium et du cobalt avec le rapport molaire du nickel par rapport à tous les métaux autres que les métaux alcalins supérieur ou égal à 0,5, p. ex. Li(MzNixCoyMn1-x-y-z)O2 avec x ≥ 0,5 avec le rapport molaire du nickel par rapport à tous les métaux autres que les métaux alcalins supérieur ou égal à 0,8, p. ex. Li(MzNixCoyMn1-x-y-z)O2 avec x ≥ 0,8
• H01M 10/052 - Accumulateurs au lithium

Abrégé

An anode for a lithium secondary battery according to exemplary embodiments includes: an anode current collector; a first anode active material layer formed on at least one surface of the anode current collector and including a first anode active material and a first binder; and a second anode active material layer formed on at least one surface of the first anode active material layer and including a second anode active material, a second binder and a cross-linker, wherein the first anode active material layer does not include a cross-linker or includes the cross-linker in a content smaller than that in the second anode active material layer based on weight. Accordingly, the adhesive strength, flexibility, brittleness, and rigidity of the anode are enhanced, and the cycle life characteristics of the lithium secondary battery are improved.

Classes IPC  ?

• H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
• H01M 4/133 - Électrodes à base de matériau carboné, p. ex. composés d'intercalation du graphite ou CFx
• H01M 4/134 - Électrodes à base de métaux, de Si ou d'alliages
• 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

Abrégé

A cathode for a secondary battery according to embodiments of the present disclosure includes a cathode current collector and a cathode active material layer. The cathode active material layer is disposed on at least one surface of the cathode current collector and includes lithium metal oxide particles containing a doping metal. The cathode has an activation energy (Ea) of 62.5 to 66 kJ/mol, as represented by Equation 1.

Classes IPC  ?

• H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
• 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 10/052 - Accumulateurs au lithium

Abrégé

An electrode and a method of manufacturing the electrode are provided. The electrode includes an electrode current collector and an electrode active material layer on at least one surface of the electrode current collector. The electrode active material layer has a thickness of 200 μm or more, and when the electrode active material layer is divided into three portions of a surface layer portion, a middle layer portion, and a lower layer portion in a thickness direction, a difference in porosity between the surface layer portion and the lower layer portion by XRM analysis is 10% or less.

Classes IPC  ?

• H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
• H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
• H01M 4/04 - Procédés de fabrication en général

Abrégé

A lithium sulfide for a solid electrolyte according to an embodiment disclosed herein has a content of at least one element A, selected from the group consisting of Group 1 elements and Group 2 elements, of 8 mol% or less as measured by inductively coupled plasma spectroscopy (ICP). According to an embodiment disclosed herein, a lithium sulfide can be prepared without using a highly toxic raw material.

Classes IPC  ?

• H01M 10/0562 - Matériaux solides
• C01B 17/22 - Sulfures ou polysulfures de métaux alcalins

Abrégé

A battery cell according to the present disclosure may include: an electrode assembly including a first electrode, a second electrode and a separator; a case accommodating the electrode assembly and electrically connected to the first electrode; a cap plate connected to the case; a terminal member provided on the cap plate; and a pin member disposed on a core of the electrode assembly and electrically connected to the second electrode and the terminal member.

Classes IPC  ?

• 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 50/107 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique ayant une section transversale courbe, p. ex. ronde ou elliptique
• H01M 50/152 - Couvercles caractérisés par leur forme pour des cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
• H01M 50/474 - Éléments d'espacement à l'intérieur des cellules autres que les séparateurs, les membranes ou les diaphragmesLeurs procédés de fabrication caractérisés par leur position dans les cellules
• H01M 50/548 - Bornes caractérisées par la position des terminaux sur les cellules sur des côtés opposés de la cellule

Abrégé

Proposed are an apparatus and a method for battery cell balancing. The apparatus includes passive balancing resistors respectively connected in parallel to battery cells, passive balancing switches respectively connected in series to the passive balancing resistors and connecting or disconnecting the passive balancing resistors in parallel to or from the battery cells, a charging element converting power and supplying a result of conversion to the battery cells, switching elements respectively connected to the battery cells and connecting or disconnecting the battery cells to or from the charging element, and a battery management system sensing states of charge of the battery cells and controlling the passive balancing switches or the switching elements such that active balancing is performed on one battery cell with the lowest state of charge and passive balancing is performed on one or more battery cells with the states of charge higher than a reference value.

Classes IPC  ?

• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries

Abrégé

Disclosed is a battery pack in which a seating recess is provided in a horizontal frame so that connection members pass through the horizontal frame through the seating recess, thereby maximizing a height of the horizontal frame. A vertical frame cover is provided in a vertical frame to secure a height of the vertical frame side in each module space. A sealing member is provided in the seating recess to seal the seating recess. A double shielding structure, including a module space cover shielding each module space and a battery pack cover shielding a battery pack housing as a whole, is provided to maximize airtightness of the battery pack.

Classes IPC  ?

• H01M 10/34 - Accumulateurs étanches aux gaz
• 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 50/271 - Couvercles des boîtiers secondaires, des bâtis ou des blocs
• H01M 50/298 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par le câblage des blocs de batterie
• 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

Abrégé

Proposed is an apparatus and a method for preventing parts supply errors. The method includes inputting a recipe for a battery module into assembly equipment, supplying a part to the assembly equipment, reading a code displayed on the part supplied to the assembly equipment, determining, by the assembly equipment in the first determination step, whether the recipe stored in the assembly equipment matches the supplied part on the basis of the read code, determining, by an equipment management system in the second determination step, whether a recipe stored in the equipment management system matches the supplied part on the basis of the read code, and stopping operation of the assembly equipment and outputting an alarm when at least one result of the first determination step or the second determination step comes out as mismatch.

Classes IPC  ?

• G06Q 10/0631 - Planification, affectation, distribution ou ordonnancement de ressources d’entreprises ou d’organisations
• G06Q 50/04 - Fabrication
• H01M 10/04 - Structure ou fabrication en général

Abrégé

The present disclosure relates to a defect detection system and a defect detection method of non-coated portion of an electrode assembly. The defect detection system of the non-coated portion of the electrode assembly includes a support device supporting the electrode assembly, a gripping device gripping and bending one side of the non-coated portion of the electrode assembly, a measuring device measuring a surface shape of the non-coated portion, and a detection device representing information on the surface shape by coordinates in a coordinate system and detecting a defect in the non-coated portion based on the coordinates.

Classes IPC  ?

• G01B 21/30 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la rugosité ou l'irrégularité des surfaces
• G01B 21/04 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la longueur, la largeur ou l'épaisseur en mesurant les coordonnées de points
• G01B 21/20 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer des contours ou des courbes, p. ex. pour déterminer un profil
• H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif

Abrégé

Provided are a negative electrode for a lithium secondary battery and a lithium secondary battery including the same, the negative electrode for a lithium secondary battery including a current collector; a first negative electrode active material layer disposed on the current collector and including a first graphite-based active material containing artificial graphite and natural graphite, and a first silicon-based active material; and a second negative electrode active material layer disposed on the first negative electrode active material layer and including a second graphite-based active material containing artificial graphite and natural graphite, and a second silicon-based active material. The first graphite-based active material has a content of the artificial graphite equal to or less than that of the natural graphite, and the second graphite-based active material has a content of the artificial graphite greater than that of the natural graphite.

Classes IPC  ?

• H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
• H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
• H01M 4/133 - Électrodes à base de matériau carboné, p. ex. composés d'intercalation du graphite ou CFx
• H01M 4/48 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques
• H01M 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
• H01M 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

Abrégé

A material transferring apparatus for battery manufacturing includes a support unit having a support region for supporting a moving object and having a first contact surface, a moving unit having a second contact surface in contact with the support unit and moving the support unit, and coupling units provided on the support unit and the moving unit, respectively, and contacting each other before the first contact surface and the second contact surface come into contact with each other.

Classes IPC  ?

• H01M 10/04 - Structure ou fabrication en général

Abrégé

The present disclosure relates to a welding position recognition apparatus for a battery assembly and a method using the same. The welding position recognition apparatus for the battery assembly according to embodiments of the present disclosure comprises a photographing unit spaced apart from the battery assembly to photograph a surface of the battery assembly including an area to be welded, a moving unit connected to the photographing unit and horizontally moving in parallel with the surface of the battery assembly, and a control unit controlling the photographing unit and the moving unit, wherein the control unit performs: first photographing of a portion of the surface of the battery assembly by the photographing unit to select a reference point, and second photographing of the surface of the battery assembly spaced apart from the reference point by a correction distance by the photographing unit.

Classes IPC  ?

• G06V 10/147 - Détails de capteurs, p. ex. lentilles de capteurs
• G06V 10/145 - Éclairage spécialement adapté à la reconnaissance de formes, p. ex. utilisant des réseaux
• G06V 10/25 - Détermination d’une région d’intérêt [ROI] ou d’un volume d’intérêt [VOI]
• H01M 10/04 - Structure ou fabrication en général
• H04N 23/58 - Moyens permettant de modifier le champ de vision de la caméra sans déplacer le corps de la caméra, p. ex. par nutation ou pivotement des optiques ou des capteurs d'images

Abrégé

The present disclosure relates to a battery assembly comprising: a case; a cell stack in which a plurality of battery cells are stacked and accommodated inside the case; and a heat dissipation pad disposed between the cell stack and the case and comprising a metal foam layer and at least one insulating layer.

Classes IPC  ?

• H01M 10/653 - Moyens de commande de la température associés de façon structurelle avec les éléments caractérisés par des matériaux électriquement isolants ou thermiquement conducteurs
• H01M 10/613 - Refroidissement ou maintien du froid
• H01M 10/6554 - Barres ou plaques
• H01M 50/204 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules

Abrégé

The present disclosure relates to a battery cell and manufacturing method thereof. The battery cell according to an embodiment of the present disclosure includes a case receiving an electrode assembly, and an electrode terminal electrically connected to the electrode assembly, wherein the case includes a vent portion having a lower hardness than other regions of the case.

Classes IPC  ?

• H01M 50/342 - Aménagements non refermables
• B23K 26/364 - Gravure au laser pour faire une rainure ou une saignée, p. ex. pour tracer une rainure d'amorce de rupture
• B23K 101/36 - Dispositifs électriques ou électroniques
• H01M 50/152 - Couvercles caractérisés par leur forme pour des cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
• H01M 50/179 - Dispositions pour introduire des connecteurs électriques dans ou à travers des boîtiers adaptées à la forme des cellules pour des cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
• H01M 50/188 - Éléments de scellement caractérisés par la position des éléments de scellement les éléments de scellement étant arrangés entre le couvercle et la borne
• H01M 50/559 - Bornes adaptées aux cellules ayant une section transversale courbée, p. ex. ronde ou elliptique

Abrégé

A battery module includes a cell assembly including a plurality of battery cells; a module housing accommodating the cell assembly and including a plurality of venting holes; a first barrier disposed on an inner surface of the module housing and including a plurality of first venting portions configured to deform based on pressure inside the module housing; and a second barrier disposed on an outer surface of the module housing and including a plurality of through-holes. At least a portion 10 of gas generated in the cell assembly is configured to be discharged to an outside of the module housing through the plurality of first venting portions, the plurality of venting holes, and the plurality of through-holes.

Classes IPC  ?

• 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 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
• H01M 50/30 - Aménagements pour faciliter l’échappement des gaz
• H01M 50/342 - Aménagements non refermables

Abrégé

An apparatus for heating a non-coated portion of foil includes a temperature detection unit spaced apart from one side of a non-coated portion of foil of an electrode sheet, configured to detect a temperature of the non-coated portion of foil in a non-contact manner and configured to output a temperature detection signal; a controller configured to control heating of the non-coated portion of foil based on a temperature detection signal from the temperature detection unit; and a heating means spaced apart from the other side of the non-coated portion of foil of the electrode sheet, and configured to heat the non-coated portion of foil under control of the controller.

Classes IPC  ?

• H05B 6/10 - Appareils de chauffage par induction, autres que des fours, pour des applications spécifiques
• G01J 5/02 - Détails structurels
• H01M 4/04 - Procédés de fabrication en général
• H05B 6/06 - Commande, p. ex. de la température, de la puissance

Abrégé

A negative electrode for a secondary battery includes: a current collector; a first negative electrode active material layer formed on the current collector and containing a first active material; and a second negative electrode active material layer formed on the first negative electrode active material layer and containing a second active material. The second active material is a bimodal active material including small particles and large particles having different particle sizes, a particle size (D2) of the second active material is smaller than a particle size (D1) of the first active material, and the particle size of the second active material is an average particle size of the small particles and the large particles.

Classes IPC  ?

• H01M 4/583 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx
• H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
• H01M 4/48 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques
• H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges

Abrégé

A cathode active material for a lithium secondary battery according to the embodiments of the present disclosure includes composite particles including lithium-transition metal oxide particles, a carbon coating disposed on the lithium-transition metal oxide particles, and a carbon nanotube (CNT) coating formed on the carbon coating, wherein a content of the CNT coating measured through thermogravimetric analysis (TGA) is 0.8% by weight to 3.1% by weight based on the total weight of the composite particles.

Classes IPC  ?

• H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
• C01G 53/42 - Oxydes complexes contenant du nickel et au moins un autre élément métallique contenant des métaux alcalins, p. ex. LiNiO2
• 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 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
• H01M 10/052 - Accumulateurs au lithium

Abrégé

A apparatus for analyzing a composition of an intermetallic compound includes a database storing data of a plurality of feature areas matched to respective composition ratios, a plurality of brightness range data corresponding to the plurality of respective feature areas, and color data, for an intermetallic compound generated during welding of dissimilar metals, a microscope image acquisition unit acquiring an electron microscope image including a brightness value for the intermetallic compound to be analyzed, a signal processor extracting a unit brightness value corresponding to each preset image basic unit from the electron microscope image and searching for color data of a corresponding feature area from the database based on the unit brightness value, and an image processor applying searched color data to the electron microscope image and generating a colorization image.

Classes IPC  ?

• G06T 7/00 - Analyse d'image
• G01N 23/04 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et formant des images des matériaux
• G01N 23/06 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et mesurant l'absorption
• G01N 23/2251 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en mesurant l'émission secondaire de matériaux en utilisant des microsondes électroniques ou ioniques en utilisant des faisceaux d’électrons incidents, p. ex. la microscopie électronique à balayage [SEM]
• G01N 33/2028 - Composants métalliques
• G06T 7/90 - Détermination de caractéristiques de couleur
• G06V 10/56 - Extraction de caractéristiques d’images ou de vidéos relative à la couleur

Abrégé

A battery pack includes a pack housing having an internal space in which a plurality of battery modules are installed or a plurality of battery cells are installed directly without being modulized; and a venting member installed in the pack housing and configured to discharge gas generated in the internal space externally, wherein the venting member is configured such that a cross-sectional area A1 of an outlet side of the venting member connected to an external space of the pack housing is smaller than a cross-sectional area A1 of an inlet side of the venting member connected to the internal space.

Classes IPC  ?

• H01M 50/30 - Aménagements pour faciliter l’échappement des gaz
• 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 50/358 - Passages externes d’évacuation des gaz sur le couvercle ou sur le boîtier de batterie
• H01M 50/367 - Passages internes d’évacuation des gaz dans le couvercle ou le boîtier de la batterieSystèmes d’évent à double couvercle
• H01M 50/383 - Moyens pare-flammes ou moyens de prévention de l’allumage

Abrégé

A battery pack includes a cell group including a number of secondary battery cells; a frame accommodating the cell group therein; and a bracket coupled to the frame, linked to the cell group to fix the cell group to the frame, and defining a vent space together with the frame to form a path, through which flames or gas are discharged, when the flames or the gas is generated in one of the secondary battery cells.

Classes IPC  ?

• H01M 50/264 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports avec des moyens de fixation, p. ex. des serrures pour des cellules ou des batteries, p. ex. cadres périphériques, courroies ou tiges
• H01M 50/211 - 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

Abrégé

The present disclosure relates to a test quality method and a test quality system. The quality test method of a battery cell including a can having an open surface; a cap welded to the can and covering the open surface; and a welding area formed by welding according to embodiments of the present disclosure includes capturing an image of the welding area with an imaging device, calculating a plurality of first points arranged along a first boundary line and a plurality of second points corresponding to the plurality of first points and arranged along a second boundary line, the first and second boundary lines separating the welding area from a non-welding area in the image, and determining whether the welding area is defective based on a number of the plurality of first points and a number of the plurality of second points.

Classes IPC  ?

• 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
• G06T 7/00 - Analyse d'image
• H01M 50/536 - Connexions d’électrodes dans un boîtier de batterie caractérisées par le procédé de fixation des conducteurs aux électrodes, p. ex. soudage

Abrégé

A battery management apparatus includes a cell monitoring unit including a battery monitoring integrated circuit (IC) configured to generate first sensing data of a battery module, and a battery management unit communicatively coupled to the cell monitoring unit and including: a master controller in communication with the battery monitoring IC; and an interface IC configured to perform a communication conversion operation for communication between the battery monitoring IC and the master controller. The cell monitoring unit further includes a battery auxiliary management unit disposed in the battery module. The battery monitoring IC is further configured to perform a communication conversion operation to facilitate communication between the battery auxiliary management unit and the interface IC.

Classes IPC  ?

• H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
• B60L 58/10 - 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
• 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

Abrégé

The present disclosure relates to a battery cell comprising: an electrode assembly including a first electrode, a second electrode, and a separator disposed between the first electrode and the second electrode; a case having a first opening at one end and forming a space in which the electrode assembly is accommodated through the first opening; and a cap assembly coupled with the case to form the space together with the case and closing the first opening.

Classes IPC  ?

• 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 4/04 - Procédés de fabrication en général
• H01M 10/04 - Structure ou fabrication en général
• H01M 10/52 - Enlèvement des gaz situés à l'intérieur de l'élément secondaire, p. ex. par absorption
• H01M 50/152 - Couvercles caractérisés par leur forme pour des cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
• H01M 50/186 - Éléments de scellement caractérisés par la position des éléments de scellement
• H01M 50/609 - Moyens ou procédés pour le remplissage en liquide, p. ex. avec des électrolytes

Abrégé

A battery module according to the present disclosure includes a housing that has an internal accommodating space; and a plurality of battery cells that are located in the internal accommodating space, in which the housing includes a welded joint in which a first base material of a first alloy and a second base material of a second alloy are welded, the welded joint includes a defect area in which the first base material and the second base material are welded and joined and a repair area located on the defect area, the repair area has a lower silicon concentration than the defect area, and the repair area satisfies the following Expression 1 or 2. A battery module according to the present disclosure includes a housing that has an internal accommodating space; and a plurality of battery cells that are located in the internal accommodating space, in which the housing includes a welded joint in which a first base material of a first alloy and a second base material of a second alloy are welded, the welded joint includes a defect area in which the first base material and the second base material are welded and joined and a repair area located on the defect area, the repair area has a lower silicon concentration than the defect area, and the repair area satisfies the following Expression 1 or 2. 0≤h1≤0.15t  [Expression 1] A battery module according to the present disclosure includes a housing that has an internal accommodating space; and a plurality of battery cells that are located in the internal accommodating space, in which the housing includes a welded joint in which a first base material of a first alloy and a second base material of a second alloy are welded, the welded joint includes a defect area in which the first base material and the second base material are welded and joined and a repair area located on the defect area, the repair area has a lower silicon concentration than the defect area, and the repair area satisfies the following Expression 1 or 2. 0≤h1≤0.15t  [Expression 1] 0≤h2≤0.2 mm+0.3t  [Expression 2]

Classes IPC  ?

• B23K 26/24 - Soudage de joints continus
• 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 50/224 - Métaux

Abrégé

A packaging material for a battery according to embodiments of the present disclosure includes a metal layer, an inner sealant layer, an outer substrate layer, and a thermochromic pigment-containing adhesive layer formed between the metal layer and the outer substrate layer. Through a pouch including the packaging material for a battery, it is possible to implement a secondary battery capable of monitoring internal heat generation from the outside.

Classes IPC  ?

• 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 10/052 - Accumulateurs au lithium
• H01M 10/0585 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure plats, c.-à-d. des électrodes positives plates, des électrodes négatives plates et des séparateurs plats
• H01M 50/105 - Poches ou sacs souples
• H01M 50/119 - Métaux
• H01M 50/124 - Boîtiers primairesFourreaux ou enveloppes caractérisés par le matériau ayant une structure en couches
• H01M 50/126 - Boîtiers primairesFourreaux ou enveloppes caractérisés par le matériau ayant une structure en couches comprenant au moins trois couches
• 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

Abrégé

The present invention provides a cathode active material for a secondary battery, which includes a lithium metal oxide particle having a form of a secondary particle in which a plurality of primary particles are agglomerated, wherein the primary particles comprise a particle having a triangular shape which has a size of a minimum internal angle of 45° or more and a maximum height of 0.5 μm or more.

Classes IPC  ?

• C01G 53/44 - Oxydes complexes contenant du nickel et au moins un autre élément métallique contenant des métaux alcalins, p. ex. LiNiO2 contenant du manganèse
• H01M 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

Abrégé

The present disclosure relates to a negative electrode active material for a secondary battery, including a silicon-based oxide particle, and a carbon coating layer coating at least a portion of the silicon-based oxide particle, in which the carbon coating layer has a surface roughness of greater than or equal to 4 nm and less than or equal to 30 nm.

Classes IPC  ?

• H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
• H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
• H01M 4/48 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques
• H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges

Abrégé

The present invention relates to a separator including a coating layer and a substrate, wherein phase-change peak temperatures measured by differential scanning calorimetry (DSC) at the time of a first temperature increase and at the time of a second temperature increase satisfy specific ranges, a method of producing the same, and an electrochemical device including the same. More particularly, the present invention relates to a separator that has improved thermal resistance and thus may improve battery safety and implement stable movement of lithium ions and a lithium secondary battery including the same.

Classes IPC  ?

• H01M 50/491 - Porosité
• H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
• H01M 50/411 - Matériau organique
• H01M 50/434 - Céramiques
• H01M 50/443 - Matériau particulaire
• H01M 50/446 - Matériau composite constitué d’un mélange de matériaux organiques et inorganiques
• H01M 50/449 - Séparateurs, membranes ou diaphragmes caractérisés par le matériau ayant une structure en couches

Abrégé

A battery module includes: a cell assembly including a plurality of cell blocks respectively including a plurality of battery cells, and a barrier disposed between the plurality of cell blocks; and a module housing accommodating the cell assembly. The barrier may include a phase change material including water, and a rigid member accommodating the phase change material, and the volume of water relative to a capacity of one of the plurality of cell blocks may be 1.000 cc/Ah or more.

Classes IPC  ?

• H01M 50/682 - Récipients pour stockage de liquidesConduits de refoulement à cet effet logés dans les boîtiers de la batterie ou de la cellule
• H01M 10/613 - Refroidissement ou maintien du froid
• H01M 10/6554 - Barres ou plaques
• H01M 10/6569 - Fluides qui subissent un changement ou une transition de phase liquide-gaz, p. ex. évaporation ou condensation
• 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 50/258 - Batteries modulairesBoîtiers pourvus de moyens d’assemblage
• 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

Abrégé

The disclosure relates to an apparatus for charging or discharging including a case, a charging or discharging module unit and an air treatment unit provided inside the case, an equipment temperature sensor located in the case and sensing an equipment temperature, a module hole formed by communicating with the outside, and a controller charging or discharging, where the controller is configured to discharge at least a portion of the air discharged from the air treatment unit to the outside of the case through the module hole based on usage current of the charging or discharging module unit and the equipment temperature, a battery charging or discharging system including the same, and a control method thereof.

Classes IPC  ?

• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage

Abrégé

A battery pack includes a plurality of battery cells, a pack case forming a receiving space for receiving the plurality of battery cells, a first through-hole penetrating one surface of the pack case, a discharge portion located on the one surface of the pack case, and a first cyclone portion. The discharge portion includes a discharge body forming a discharge space therein, a discharge hole penetrating the discharge body to cause the discharge space to communicate with an outside, and a first body hole penetrating the discharge body. The first cyclone portion is connected to the pack case and the discharge portion and causes the receiving space to communicate with the discharge space via the first through-hole and the first body hole.

Classes IPC  ?

• H01M 50/383 - Moyens pare-flammes ou moyens de prévention de l’allumage
• 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 50/289 - 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 50/358 - Passages externes d’évacuation des gaz sur le couvercle ou sur le boîtier de batterie

Abrégé

The present disclosure relates to a battery pack including a plurality of battery cells, a pack case forming an accommodating space accommodating the plurality of battery cells, a through-hole penetrating one surface of the pack case, a housing coupled to the one surface of the pack case, a separation panel separating an inside of the housing into a first space and a second space, an inlet hole passing through one surface of the housing forming the first space and connected to the through-hole, an outlet hole passing through an other surface of the housing forming the first space and allowing the outside to communicate with the first space, a collection hole penetrating the separation panel and allowing the first space and the second space to communicate with each other, and a door rotatably coupled to the separation panel to open and close the collection hole.

Classes IPC  ?

• H01M 50/358 - Passages externes d’évacuation des gaz sur le couvercle ou sur le boîtier de batterie
• 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 50/271 - Couvercles des boîtiers secondaires, des bâtis ou des blocs
• H01M 50/383 - Moyens pare-flammes ou moyens de prévention de l’allumage

Abrégé

An electrolyte for a lithium secondary battery according to exemplary embodiments may include an organic solvent, a lithium salt and an additive which includes an alkylene sulfate having 2 to 6 carbon atoms, an alkane sultone having 3 to 6 carbon atoms, and an alkenylene carbonate having 3 to 6 carbon atoms. Accordingly, the lithium secondary battery may suppress an increase in the thickness and resistance under high-temperature environments, and may exhibit improved capacity retention and capacity recovery rates.

Classes IPC  ?

• H01M 10/0567 - Matériaux liquides caracterisés par les additifs
• H01M 10/052 - Accumulateurs au lithium
• H01M 10/0569 - Matériaux liquides caracterisés par les solvants

Abrégé

A method for manufacturing a pouch-type secondary battery according to an embodiment of the present invention may comprise: a step for preparing a pouch-type case that has two first cell accommodation parts for accommodating a first electrode assembly, two second cell accommodation parts for accommodating a second electrode assembly, and two gas collection parts for accommodating gas; an accommodation chamber-forming step for forming a first cell accommodation chamber for accommodating the first electrode assembly and a second cell accommodation chamber for accommodating the second electrode assembly, the first cell accommodation chamber being formed by folding the two first cell accommodation parts so that the first cell accommodation parts face each other, and the second cell accommodation chamber being formed by folding the two second cell accommodation parts so that the second cell accommodation parts face each other, and a gas chamber-forming step for forming a gas chamber.

Classes IPC  ?

• H01M 50/105 - Poches ou sacs souples
• H01M 10/04 - Structure ou fabrication en général
• 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

Abrégé

In an embodiment, a battery cell may include: a case including a first open region, a second open region facing each other, at least one step region connected to at least one of the first open region or the second open region, and a receiving region connected to the at least one step region; and an electrode assembly disposed in the receiving region, and including a positive electrode plate, a negative electrode plate, and a separator; a plurality of cap plates covering the first open region and the second open region; at least one step welding region formed in the at least one step region; and a main welding region connected to the at least one step welding region and formed in the receiving region. The receiving region has a first thickness greater than a second thickness of the at least one step region.

Classes IPC  ?

• H01M 50/169 - Couvercles caractérisés par le procédé d’assemblage des boîtiers avec des couvercles par soudage, brasage ou brasage tendre
• B23K 26/06 - Mise en forme du faisceau laser, p. ex. à l’aide de masques ou de foyers multiples
• B23K 26/26 - Soudage de joints continus rectilignes
• B23K 101/36 - Dispositifs électriques ou électroniques
• H01M 50/103 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique prismatique ou rectangulaire
• H01M 50/15 - Couvercles caractérisés par leur forme pour des cellules prismatiques ou rectangulaires

Abrégé

According to an aspect of the present invention, there is provided a battery module including: a plurality of battery cells; a plurality of bus bars connected to the plurality of battery cells; a fuse assembly; and a bus bar connector configured to electrically connect the plurality of bus bars and the fuse assembly, wherein the fuse assembly may include: a fuse frame; a fuse connector coupled to the fuse frame and connected to the bus bar connector, and a plurality of fuse segments coupled to the fuse connector and electrically connected to the fuse connector.

Classes IPC  ?

• 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 50/528 - Connexions électriques fixes, c.-à-d. non prévues pour être déconnectées
• H01M 50/583 - Dispositifs ou dispositions pour l’interruption du courant en réponse au courant, p. ex. fusibles

Abrégé

Proposed is a roll-to-roll manufacturing method of electrodes for secondary batteries including material supplying for supplying an electrode material from an unwinder, meander correcting for correcting meandering in a movement path of the electrode material, notching processing for forming an electrode tab shape by processing a tab fabrication area of the electrode material, cleaning the electrode material, vision inspection for determining whether the electrode material is of good quality, and electrode material winding for winding the electrode material with a rewinder.

Classes IPC  ?

• H01M 4/04 - Procédés de fabrication en général
• B08B 1/12 - Brosses
• B08B 5/04 - Nettoyage par aspiration, avec ou sans action auxiliaire
• B08B 7/02 - Nettoyage par des procédés non prévus dans une seule autre sous-classe ou un seul groupe de la présente sous-classe par distorsion, battage ou vibration de la surface à nettoyer
• G01N 21/88 - Recherche de la présence de criques, de défauts ou de souillures
• H01M 50/531 - Connexions d’électrodes dans un boîtier de batterie

Abrégé

Cathodes and lithium secondary batteries including the cathodes are disclosed. In some implementations, a cathode may include a cathode current collector and a cathode active material layer disposed on the cathode current collector and including cathode active material particles such that the cathode active material layer satisfies a specific equation. The cathode active material particles may include lithium metal oxide particles that include nickel, and may have a mole fraction of cobalt of 0.02 or less with respect to all elements except for lithium and oxygen.

Classes IPC  ?

• 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 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
• H01M 10/052 - Accumulateurs au lithium

Abrégé

An electrolyte for a lithium secondary battery according to the embodiments of the present disclosure includes a lithium salt, an organic solvent, a phosphate-based additive including a compound represented by the following Formula 1, and a halogenated benzene. A lithium secondary battery including the electrolyte and having improved flame retardancy and high-temperature stability of the electrolyte, as well as improved high-temperature lifespan characteristics and high-temperature storage characteristics may be provided.

Classes IPC  ?

• H01M 10/0567 - Matériaux liquides caracterisés par les additifs
• 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

Abrégé

Proposed is an apparatus for introducing an active material for use in a secondary battery. The apparatus includes a cutting unit positioned on an upper side of an introducing portion of a main hopper and provided for cutting a bottom portion of a packaging material in which a powder is accommodated, and includes a sealing unit provided around an outside of the cutting unit and configured to block leakage of the powder by bringing the introducing portion of the main hopper and an opening portion of the packaging material formed by cutting to be in communication with each other.

Classes IPC  ?

• B65B 69/00 - Déballage des objets ou matériaux non prévu ailleurs
• B65G 69/12 - Tamisage des matériaux en vrac durant le chargement ou le déchargement
• B65G 69/18 - Prévention de l'échappement de la poussière

Abrégé

The present disclosure relates to a system for packaging a secondary battery and a method for detecting a fault thereof. The method according to an embodiment of the present disclosure may include: through a photographing device, photographing a part of the system so as to include an identification mark formed at a designated position of the system to acquire an inspection image; detecting the identification mark from the inspection image; calculating a position of the identification mark based on a first reference point related to a field of view of the photographing device; and determining a state of the photographing device, based on the calculated position of the identification mark and previously stored first reference information.

Classes IPC  ?

• G06T 7/00 - Analyse d'image
• G06T 7/73 - Détermination de la position ou de l'orientation des objets ou des caméras utilisant des procédés basés sur les caractéristiques
• H01M 10/04 - Structure ou fabrication en général

Abrégé

A battery module includes a housing including an accommodation space in which a cooling fluid is accommodated; a cell assembly including a plurality of battery cells stacked in a first direction in the accommodation space and each including a lead tab; and a busbar assembly disposed to face the cell assembly in the accommodation space, and including a plurality of busbars electrically connected to the plurality of battery cells, and a support plate supporting the busbar, wherein the busbar includes a plurality of slit holes into which the lead tab is inserted; and at least one busbar hole disposed between the plurality of slit holes and allowing cooling fluid to flow therethrough.

Classes IPC  ?

• 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 10/613 - Refroidissement ou maintien du froid
• H01M 10/6551 - Surfaces spécialement adaptées à la dissipation de la chaleur ou à la radiation, p. ex. nervures ou revêtements
• H01M 10/658 - Moyens de commande de la température associés de façon structurelle avec les éléments par isolation ou protection thermique
• H01M 50/204 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules

Abrégé

The present disclosure relates to a battery module including: a plurality of battery cells; a busbar assembly disposed on one side of the plurality of battery cells and connected to the plurality of battery cells; and a protective member disposed on at least a portion of one side of the busbar assembly facing the plurality of battery cells.

Classes IPC  ?

• 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 10/658 - Moyens de commande de la température associés de façon structurelle avec les éléments par isolation ou protection thermique
• H01M 50/271 - Couvercles des boîtiers secondaires, des bâtis ou des blocs
• 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 50/507 - 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

Abrégé

The present disclosure relates to a battery inspection apparatus including a grip detachably fixed to a separator located at an outermost layer of an electrode assembly and separating the separator by moving along a predetermined separation path in the electrode assembly, the electrode assembly being formed by alternately stacking a first electrode and a second electrode having a different electrical polarity from the first electrode between the separator in a predetermined stacking direction, a separation unit separating the first electrode and the second electrode from the electrode assembly according to separation of the separator, and a sensing unit located in the separation path and sensing damage to electrical insulation in the separator moved by the grip, and an inspection method the battery inspection apparatus.

Classes IPC  ?

• 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 10/04 - Structure ou fabrication en général
• 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

Abrégé

A cell-seating unit may include a lower plate member in which a secondary battery cell is seated while being in contact with a side surface portion of the secondary battery cell; an upper plate member disposed to face the lower plate member; and a middle plate member coupled to the lower plate member and the upper plate member for connection thereof while being in contact with a bottom portion of the secondary battery cell.

Classes IPC  ?

• H01M 50/20 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports
• H01M 10/613 - Refroidissement ou maintien du froid
• H01M 10/625 - Véhicules
• H01M 10/6555 - Barres ou plaques disposées entre les éléments

Abrégé

According to an embodiment, an anode for a secondary battery includes: an anode current collector; and an anode mixture layer on at least one surface of the anode current collector, wherein the anode mixture layer includes an anode active material, a binder, and a thermal crosslinking additive, and a weight of the binder included in the anode mixture layer is greater than a weight of the thermal crosslinking additive included in the anode mixture layer. According to an embodiment, an anode for a secondary battery includes: an anode current collector; and an anode mixture layer on at least one surface of the anode current collector, wherein the anode mixture layer includes an anode active material, a binder, and a thermal crosslinking additive, and a weight of the binder included in the anode mixture layer is greater than a weight of the thermal crosslinking additive included in the anode mixture layer. According to an embodiment of the disclosed technology, energy density of the anode for a secondary battery may be improved.

Classes IPC  ?

• H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
• H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
• H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
• H01M 10/052 - Accumulateurs au lithium

Abrégé

An apparatus for forming a folding guide line forming a folding guide portion in a sealing portion of a battery cell, includes a first pressing tool and a second pressing tool, forming the folding guide portion by placing the sealing portion therebetween and pressing the sealing portion, wherein the first pressing tool includes a first pressing surface having a flat shape and an accommodating groove having a shape recessed from the first pressing surface, the second pressing tool includes a second pressing surface having a flat shape, a pressing protrusion dispose to oppose the accommodating groove and having a shape in which at least a portion protrudes from the second pressing surface, and a pressing avoidance portion connected to the pressing protrusion, and the pressing avoidance portion has a shape not applying pressure to a portion of the accommodating groove, adjacent to the electrode-accommodating portion.

Classes IPC  ?

• H01M 10/04 - Structure ou fabrication en général
• B21D 39/02 - Utilisation de procédés permettant d'assembler des objets ou des parties d'objets, p. ex. revêtement par des tôles, autrement que par placageDispositifs de mandrinage des tubes des tôles par pliage, p. ex. jonction des bords d'une tôle pour former un cylindre
• H01M 50/105 - Poches ou sacs souples
• H01M 50/136 - Flexibilité ou capacité à être plié

Abrégé

Proposed is an apparatus for supplying a roll-type material, the apparatus including an unwinder for unwinding a roll on which a material is wound, a rotation speed sensor for measuring a rotation speed of the roll, and a controller for performing a first deceleration for decelerating the rotation speed of the roll when the rotation speed of the roll is equal to or greater than a first reference rotation speed, and performing a second deceleration for decelerating the rotation speed of the roll when the rotation speed of the roll is equal to or greater than a second reference rotation speed after the rotation speed of the roll is decelerated. Accordingly, it is possible to adjust a supply speed of the material according to a remaining amount of the material without operator's control, and minimize waste of the material.

Classes IPC  ?

• B65H 26/08 - Dispositifs de sécurité ou d'avertissement, p. ex. détecteurs automatiques de défectuosités, mécanismes d'arrêt, pour mécanismes d'avance des bandes sensibles à un diamètre prédéterminé
• B65H 23/038 - Commande du positionnement transversal de la bande par des rouleaux

Abrégé

A separator for a secondary battery includes a substrate, and a coating layer formed on a surface of the substrate and including inorganic particles. The separator has a thermal shrinkage coefficient in the range of 5 kPa to 30 kPa. The thermal shrinkage rate, which is defined as a ratio of a TD thermal shrinkage rate of the separator measured after storage at 130° C. for 1 hour to a TD thermal shrinkage rate of the substrate measured after storage at 130° C. for 1 hour, is 0.3 to 0.5.

Classes IPC  ?

• H01M 50/451 - Séparateurs, membranes ou diaphragmes caractérisés par le matériau ayant une structure en couches comprenant des couches de matériau organique uniquement et des couches comprenant un matériau inorganique
• H01M 50/417 - Polyoléfines
• H01M 50/434 - Céramiques
• H01M 50/443 - Matériau particulaire
• H01M 50/446 - Matériau composite constitué d’un mélange de matériaux organiques et inorganiques
• H01M 50/491 - Porosité

Abrégé

A battery module including a cell assembly including a plurality of battery cells, each of the plurality of battery cells including a body portion accommodating an electrode assembly, a sealing portion sealing at least a portion of a periphery of the body portion, and an electrode lead electrically connected to the electrode assembly; and a thickness compensation portion disposed between at least some battery cells among the plurality of battery cells, wherein the body portion includes a uniform thickness region including a central portion of the body portion, and a low thickness region disposed adjacent to the electrode lead than uniform thickness region, and the thickness compensation portion has a shape covering at least a portion of the low thickness region and not covering at least a portion of the uniform thickness region, is disclosed.

Classes IPC  ?

• 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 50/105 - Poches ou sacs souples
• H01M 50/133 - Épaisseur
• 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 50/505 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie comprenant une barre omnibus unique
• H01M 50/533 - Connexions d’électrodes dans un boîtier de batterie caractérisées par la forme des conducteurs ou des languettes

Abrégé

A device and method for manufacturing an electrode are disclosed. An electrode manufacturing device includes an electrode sheet supply roll transferring a pre-electrode sheet which forms a face and another face; a position adjustment roll adjacent to the electrode sheet supply roll and receiving the pre-electrode sheet from the electrode sheet supply roll; a laminating roll and a pressurizing roll which receive the pre-electrode sheet from the position adjustment roll and face each other; an active material supply roll facing the laminating roll and providing an active material to the laminating roll; and a heater proving heat to a heating area of the pre-electrode sheet positioned between the electrode sheet supply roll and the position adjustment roll. The pre-electrode sheet and the active material are inserted into and discharged from between the laminating roll and the pressurizing roll.

Classes IPC  ?

• B05C 1/08 - Appareillages dans lesquels un liquide ou autre matériau fluide est appliqué à la surface de l'ouvrage par contact avec un élément portant le liquide ou autre matériau fluide, p. ex. un élément poreux imprégné du liquide à appliquer sous forme de revêtement pour appliquer un liquide ou autre matériau fluide à un ouvrage de longueur indéfinie en utilisant un rouleau
• B05C 9/14 - Appareillages ou installations pour appliquer des liquides ou d'autres matériaux fluides aux surfaces par des moyens non prévus dans l'un des groupes , ou dans lesquels le moyen pour déposer le liquide ou autre matériau fluide n'est pas important pour appliquer un liquide ou autre matériau fluide et exécuter une opération auxiliaire l'opération auxiliaire nécessitant un chauffage
• H01M 4/04 - Procédés de fabrication en général

Abrégé

According to embodiments of the present disclosure, an electrode manufacturing device includes a laminating roll unit including a laminating roll which rotates; an active material supply roll providing an active material to the laminating roll; and a pressurizing roll pressurizing the pre-electrode sheet and the active material. The laminating roll unit further includes a first coupling shaft and a second coupling shaft that are respectively coupled to both ends of a rotation axis of the laminating roll; a first inner housing to which the first coupling shaft is rotatably coupled; a second inner housing to which the second coupling shaft is rotatably coupled; a first inner housing mover adjusting a position of the first inner housing; and a second inner housing mover adjusting a position of the second inner housing.

Classes IPC  ?

• H01M 4/04 - Procédés de fabrication en général

Abrégé

An anode active material for a lithium secondary battery according to embodiments of the present disclosure includes composite particles which comprise a silicon-containing coating formed on a surface of carbon-based particles comprising porous, wherein the composite particles have a C/SiC peak intensity ratio of 1.0 to 4.5, which is measured through X-ray diffraction analysis after performing heat treatment on the composite particles at 900° C. to 1200° C. for 6 hours to 9 hours. The anode active material for a lithium secondary battery has improved capacity characteristics, output characteristics and lifespan characteristics.

Classes IPC  ?

• H01M 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
• C01B 32/324 - Préparation caractérisée par les matières de départ à partir de matières résiduelles, p. ex. pneumatiques ou liqueur noire de sulfite résiduaire
• C01B 32/336 - Préparation caractérisée par des agents d’activation gazeux
• C01B 33/029 - Préparation par décomposition ou réduction de composés de silicium gazeux ou vaporisés autres que la silice ou un matériau contenant de la silice par décomposition de monosilane
• H01M 10/052 - Accumulateurs au lithium

Abrégé

A pouch forming method may include: a disposing operation of disposing a pouch sheet between a die portion including a forming lower surface on which a pouch sheet is formed and a forming support portion disposed on the forming lower surface and a punch portion for forming the pouch sheet; a first forming operation of evacuating an internal space of the die portion and lowering the forming support portion in a direction of the forming lower surface to bend the pouch sheet; and a second forming operation of lowering the punch portion in a direction of the forming lower surface to press the pouch sheet.

Classes IPC  ?

• B21D 28/26 - Perforation, c.-à-d. découpage de trous dans des tôles ou des pièces plates
• H01M 50/105 - Poches ou sacs souples

Abrégé

A battery module includes a plurality of battery cells, each including a case and a sealing portion provided on at least one edge of the case, and including a first battery cell and a second battery cell adjacent to each other in a first direction; and a support frame opposite the plurality of battery cells and into which at least a portion of the sealing portion is inserted, wherein the support frame includes a support guide configured to guide at least portions of the sealing portion of the first battery cell and the sealing portion of the second battery cell to be spaced apart from each other in opposite directions with respect to the first direction.

Classes IPC  ?

• 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 50/186 - Éléments de scellement caractérisés par la position des éléments de scellement
• H01M 50/244 - Boîtiers secondairesBâtisDispositifs de suspensionDispositifs de manutentionSupports caractérisés par leur procédé de montage
• H01M 50/262 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports avec des moyens de fixation, p. ex. des serrures
• 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