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IMPROVED CELL STACK

Resumen de: EP4611141A1

A battery cell stack (100) is provided. The battery cell stack comprises a plurality of cylindrical battery cells (110) and a cell holder (120). The cell holder comprises a plurality of cylindrical through-holes (122) having a height smaller than a height of a battery cell. Each of the battery cells is arranged in a respective cylindrical through-hole such that the battery cell protrudes at a first side (124) of the cell holder. The battery cell stack further comprises an electrically insulating layer (130) arranged at a second side (126) of the cell holder, and a printed circuit board, PCB, (140) arranged at a first side (112) of the battery cells and configured to electrically interconnect the battery cells. A first adhesive layer (150) is disposed on the electrically insulating layer such that a second side (114) of each of the battery cells is in contact with the first adhesive layer. A second adhesive layer (160) is provided between and in contact with the PCB and the first side of each of the battery cells. Each of the battery cells is electrically connected to the PCB by wire bonding

CELL CARRIER FOR AT LEAST ONE ELECTRIC CELL AND A CELL MODULE HAVING A CELL CARRIER AND A PLURALITY OF ELECTRIC CELLS

Resumen de: EP4611123A1

Dargestellt und beschrieben ist ein Zellträger (2) für mindestens eine elektrische Zelle (3). Die mindestens eine Zelle (3) weist ein zylinderförmiges Zellgehäuse (4) mit einer Zelllängsachse (5), einem Zellmantel (6), einer ersten Zellkappe (7) und einer zweiten Zellkappe (8) auf. Die erste Zellkappe (7) schließt ein erstes Ende des Zellmantels (6) ab und in der ersten Zellkappe (7) ist ein erster elektrischer Zellkontakt (9) und die zweite Zellkappe (8) schließt ein zweites Ende des Zellmantels (6) ab und in der zweiten Zellkappe (8) ist ein zweiter elektrischer Zellkontakt (10). Der Zellträger (2) für die mindestens eine Zelle (3) weist eine Zellaufnahme (11) mit einer Aufnahmelängsachse (12) für eine Aufnahme der Zelle (3) auf. Bei in der Zellaufnahme (11) angeordneter Zelle (3) fallen die Aufnahmelängsachse (12) und die Zelllängsachse (5) zusammen.Die Erfindung löst die Aufgabe, einen Zellträger (2) für Immersionskühlung anzugeben, welcher zumindest einen der Nachteile mechanischer Aufwand, aufwendige Herstellung abmildert oder überwindet.Die Aufgabe ist dadurch gelöst, dass der Zellträger (2) in einer Trägerebene (13) senkrecht zur Aufnahmelängsachse (12) in einen ersten Teilträger (14) und einen zweiten Teilträger (15) aufgeteilt ist und der erste Teilträger (14) und der zweite Teilträger (15) Komponenten des Zellträgers (2) sind, dass der erste Teilträger (14) und der zweite Teilträger (15) auseinanderführbar und zusammenführbar sind, da

ELECTRODE ASSEMBLY FOR SECONDARY BATTERY AND CYLINDRICAL SECONDARY BATTERY INCLUDING SAME

Resumen de: EP4611106A1

The present invention relates to an electrode assembly for a secondary battery, the electrode assembly having a shape in which an electrode stack, which includes: a positive electrode including a positive electrode current collector and a positive electrode active material layer disposed on at least one surface of the positive electrode current collector; a negative electrode including a negative electrode current collector and a negative electrode active material layer disposed on at least one surface of the negative electrode current collector; and a separator interposed between the positive electrode and the negative electrode, is wound, wherein an end, which faces a winding center, of both ends in a longitudinal direction of the negative electrode is a negative electrode non-coating portion on which the negative electrode active material layer is not disposed, and an end, which faces the winding center, of both ends in a longitudinal direction of the positive electrode is disposed with a ceramic-containing film member.

POSITIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4611059A1

The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a positive electrode active material capable of preventing and/or mitigating the degradation of electrochemical properties and lifetime of the positive electrode active material caused by lithium impurities and/or a washing process by removing lithium impurities through surface modification without a washing process for reducing the content of lithium impurities such as LiOH and Li₂CO₃ remaining on the surface of the positive electrode active material, and a lithium secondary battery using a positive electrode including the positive electrode active material.

ALL-SOLID-STATE BATTERY

Resumen de: EP4611055A1

The present invention relates to an all solid-state battery, which comprises a cathode including a cathode active material layer containing a cathode active material, an anode including an anode catalyst layer containing an anode catalyst and Nb₂O₅ and an electrolyte, wherein the anode catalyst layer contains Nb₂O₅ at a content of 1 wt% to 30 wt% on the basis of a total of, 100 weight% of the anode catalyst layer and the ratio (N/P) of a capacity of the anode catalyst layer to that of the cathode is between 0.1 (inclusive) and 0.5 (exclusive).

NEGATIVE ELECTRODE FOR ALL-SOLID-STATE BATTERY AND ALL-SOLID-STATE BATTERY INCLUDING SAME

Resumen de: EP4611052A1

The present invention relates to a negative electrode for an all-solid-state battery including same. This negative electrode for an all-solid-state battery includes a current collector and a negative electrode catalyst layer located on the current collector and including an amorphous carbon, metal and clay.

MATERIAL SEPARATION APPARATUS FOR RECYCLING WASTE BATTERY AND METHOD THEREFOR

Resumen de: EP4611117A1

Disclosed is a material separation method for recycling a battery cell, the material separation method including: a disassembling operation of separating an electrode assembly from which a pouch has been removed from a battery cell into first electrode plates, second electrode plates, and a separator, in which the disassembling operation may include: a separator opening operation of opening the separator surrounding the electrode assembly; and a main disassembling operation of separating the first electrode plates and the second electrode plates from the electrode assembly in which the separator is opened.

BATTERY-MODULE

Resumen de: EP4611121A1

A battery-module (100) is provided which comprises a first battery-cell and a second battery-cell (101), and a heat-spreader (103) for passively dissipating heat from the first to the second battery-cell (101). The heat-spreader (103) has a first section (105) and a second section (106). The first section (105) comprises a first volume (107) and a first contact-portion (201), wherein the first contact-portion (201) restricts the first volume (105) in a direction towards the first battery-cell (101) and is in thermally conductive physical contact with the first battery-cell (101) such that the first battery-cell (101) and the heat-spreader (103) can exchange heat at the first section (105). The second section (106) comprises a second volume (108) and a second contact-portion (202), wherein the second contact-portion (202) restricts the second volume (108) in a direction towards the second battery-cell (101) and is in thermally conductive physical contact with the second battery-cell (101) such that the second battery-cell (101) and the heat-spreader (103) can exchange heat at the second section (106). The heat-spreader (103) has a cooling-medium (109, 111; 431, 433) for 2-phase cooling of the first and second battery-cells (101). The first and the second section (105, 106) communicate with each other such that a transition from the first to the second aggregate-state of the cooling-medium (109, 111; 431, 433) causes a transport of cooling-medium (109, 111; 431, 433) from the f

BATTERY MODULE COMPRISING A PLURALITY OF ELECTRICAL CELLS

Resumen de: EP4611124A1

Dargestellt und beschrieben ist ein Batteriemodul (47) mit einer Mehrzahl an elektrischen Zellen (3), einem Zellträger (2) und einem Gehäuse (48). Jede der Zellen (3) weist ein zylinderförmiges Zellgehäuse (4) mit einer Zelllängsachse (5), einem Zellmantel (6), einer ersten Zellkappe (7) und einer zweiten Zellkappe (8) auf. Bei jeder der Zellen (3) schließt die erste Zellkappe (7) ein erstes Ende des Zellmantels (6) ab und ist in der ersten Zellkappe (7) ein erster elektrischer Zellkontakt (9) und schließt die zweite Zellkappe (8) ein zweites Ende des Zellmantels (6) ab und ist in der zweiten Zellkappe (8) ein zweiter elektrischer Zellkontakt (10). Der Zellträger (2) weist für jede der Zellen (3) eine Zellaufnahme (11) mit einer Aufnahmelängsachse (12) für eine Aufnahme der Zelle (3) auf. Jede der Zellen (3) ist in einer der Zellaufnahmen (11) angeordnet und die Aufnahmelängsachse (12) und die Zelllängsachse (5) fallen zusammen. Der Zellträger (2) ist im Gehäuse (48) angeordnet.Die Erfindung löst die Aufgabe, ein Batteriemodul (47) für Immersionskühlung anzugeben, welches zumindest einen der Nachteile mechanischer Aufwand, Herstellungsaufwand, Handhabungsaufwand im Stand der Technik abmildert oder überwindet.Die Aufgabe ist dadurch gelöst, dass die Aufnahmelängsachsen (12) parallel zueinander sind, dass der Zellträger (2) in einer Trägerebene (13) senkrecht zur Aufnahmelängsachse (12) in einen ersten Teilträger (14) und einen zweiten Teilträger (15)

PU HYBRID SEALING MATERIAL FOR LITHIUM-ION BATTERIES

Resumen de: EP4610289A1

The present invention relates to a composition for preparing shaped body with improved resistance to compositions comprising lithium salts, the composition comprising an elastomer comprising polyurethane units and ethylenically unsaturated units, wherein the elastomer is obtained or obtainable by reacting a composition (PC) comprising at least one polyol (P1) and at least one compound (E1) which comprises at least one ethylenically unsaturated group and an isocyanate component (IC) comprising at least one polyisocyanate. The present invention also relates to a shaped body with improved resistance to compositions comprising lithium salts, the shaped body comprising said composition, a process for preparing a shaped body and also the use of the composition according to the present invention for the preparation of a shaped body, wherein the shaped body is an electronic device or part thereof or a component in a battery.

SILICONE-BASED THERMAL INSULATION MATERIALS FOR BATTERY MODULES

Resumen de: CN119654735A

When a top metal cover of a battery module or battery pack is coated with an addition-curable or moisture-curable ceramizable silicone composition on a side of a cover facing the battery module or individual battery cell, the top metal cover is not coated with a ceramizable silicone composition on a side facing the cover of the battery module or individual battery cell. Metal ion battery modules and battery packs for electric vehicles exhibit substantially reduced heat transfer to areas above the battery modules or battery packs, and an addition-curable or moisture-curable ceramizable silicone composition that is sprayable and thixotropic and contains 50-85% by weight of an aluminum trihydrate-containing filler, the amount is such that the aluminum trihydrate is present in an amount of at least 30 wt% based on the weight of the silicone composition.

POLYMER-COATED ELECTRODE ACTIVE MATERIAL, ITS MANUFACTURING AND USAGE

Resumen de: CN120113053A

The present invention provides a coated particulate material comprising a plurality of core particles wherein each core particle comprises at least one compound of formula (I), Li1 + w Ni1-x-y-zCoxMnyMz 1-wO2, and the surface of the core particles exhibits a coating comprising at least one polycationic organic polymer or at least one polyanionic organic polymer.

NONAQUEOUS ELECTROLYTE AND CLAY-TYPE LITHIUM ION SECONDARY BATTERY USING SAME

Resumen de: EP4611105A1

An object of the present disclosure is to provide a nonaqueous electrolytic solution and a clay-type lithium ion secondary battery using same, the nonaqueous electrolytic solution having both excellent battery safety when used at a high temperature, an important feature for secondary batteries to be installed in modern vehicles such as electric vehicles, and having excellent battery characteristics. The nonaqueous electrolytic solution of the present disclosure is a nonaqueous electrolytic solution including an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous solvent containing from 80 to 100 vol% in total of at least one selected from ethylene carbonate, propylene carbonate, and γ-butyrolactone, and the nonaqueous electrolytic solution further including a trifluoroacetic acid ester having an alcohol group with a carbon chain length of from 6 to 8.

NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM-ION SECONDARY BATTERY USING SAME

Resumen de: EP4611091A1

An object of the present disclosure is to provide a nonaqueous electrolytic solution and a lithium ion secondary battery using same, the nonaqueous electrolytic solution having both excellent battery safety when used at a high temperature, an important feature for secondary batteries to be installed in modern vehicles such as electric vehicles, and having excellent battery characteristics. The nonaqueous electrolytic solution of the present disclosure is a nonaqueous electrolytic solution including an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous solvent containing from 80 to 100 vol% in total of at least one selected from ethylene carbonate, propylene carbonate, and γ-butyrolactone, and the nonaqueous electrolytic solution further including a trifluoroacetic acid ester having an alcohol group with a carbon chain length of from 6 to 8.

NI-PLATED STEEL SHEET AND BATTERY CONTAINER

Resumen de: EP4610409A1

Provided is a Ni-plated steel sheet comprising a steel sheet, and an Fe-Ni diffusion layer formed on at least one surface of the steel sheet, wherein as determined by EBSD measurement performed on the topmost surface of the Ni-plated steel sheet, the average crystal grain size is 0.32 µm or more, and the proportion of the region which can be indexed as Fe is 0.0% or more and 6.0% or less.

SURFACE-TREATED STEEL SHEET AND BATTERY CONTAINER

Resumen de: EP4610408A1

Provided is a surface-treated steel sheet comprising a steel sheet, and an Fe-Ni diffusion layer formed on the topmost surface of at least one surface of the steel sheet, wherein when a maximum diffraction intensity IA at a diffraction angle 2θ of 43.00° or more and 44.30° or less and a maximum diffraction intensity IB at a diffraction angle 2θ of 44.51° or more and 45.00° or less are obtained by thin film X-ray diffractometry performed on the surface of the Fe-Ni diffusion layer, the ratio IB/IA is 0.01 ≤ IB/IA ≤ 0.37.

COATING-EQUIPPED POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, SOLUTION FOR FORMING COATING LAYER, AND LITHIUM SECONDARY BATTERY

Resumen de: EP4611070A1

A coated positive electrode active material for a lithium secondary battery includes a positive electrode active material and a coating layer disposed on the surface of the positive electrode active material. The positive electrode active material contains cobalt (Co). The coating layer contains at least lithium (Li), phosphorus (P), an element M, and oxygen (O). The element M is a pentavalent transition metal element.

REINFORCING HOLDER FOR BATTERY, AND BATTERY AND ELECTRIC DEVICE

Resumen de: EP4611146A1

A reinforcing bracket (120) for a battery, a battery (200), and a power consuming apparatus (1000) are provided. The battery includes a plurality of battery cells (10), the reinforcing bracket includes a connecting bracket (121) and a plurality of partition members (122), the connecting bracket includes a first reinforcing plate (1211), a plurality of avoidance holes (121a) that are spaced apart along a first direction are provided on the first reinforcing plate, the plurality of partition members are spaced apart along the first direction on the connecting bracket, and a placement space (124) is defined between the adjacent partition members and the connecting bracket.

BATTERY AND ELECTRIC DEVICE HAVING SAME

Resumen de: EP4611119A1

A battery (200) and a power consuming apparatus (1000) are disclosed. The battery includes a box body (30), and multiple battery cells (10) and a heat conducting member (40) arranged in the box body. Each battery cell is provided with multiple side walls (110). The multiple side walls include a first side wall (111) and a second side wall (112) connected to each other. The first side wall is a side wall with the largest area of the battery cell. The second side walls of at least part of the battery cells are connected to the box body in a heat conducting manner through the heat conducting member.

ELECTROCHEMICAL DEVICE INCLUDING POROUS SEPARATOR

Resumen de: EP4611093A1

Electrochemical devices are disclosed for various applications such as secondary batteries. In an embodiment, an electrochemical device including a positive electrode, a negative electrode, a separator, and an electrolyte. Specifically, the separator includes a porous polymer membrane including one or more of hydrophilic inorganic particles or a hydrophilic polymer that are blended in a porous substrate, and the electrolyte includes a nitrile-based compound. The electrochemical device exhibits high ionic conductivity by including the porous separator having wettability to the electrolyte.

ELECTROCHEMICAL DEVICE INCLUDING POROUS SEPARATOR

Resumen de: EP4611095A1

Electrochemical devices are disclosed for various applications such as secondary batteries. In an embodiment, an electrochemical device includes a positive electrode, a negative electrode, a separator, and an electrolyte. The separator includes a porous hydrophilic polymer membrane, and the electrolyte includes a nitrile-based compound. The electrochemical device exhibits high ionic conductivity by including the porous separator having wettability to the electrolyte.

PRESSURE RELIEF COMPONENT, BATTERY CELL, BATTERY AND ELECTRICAL APPARATUS

Resumen de: EP4611148A1

A pressure relief component, a battery cell, a battery, and an electrical apparatus are provided and pertain to the field of battery technologies. The pressure relief component includes a pressure relief portion, a reinforcing portion, and a first weakened portion. The pressure relief portion is configured to rupture when the battery cell relieves pressure, so as to release the internal pressure of the battery cell. The reinforcing portion is connected to the pressure relief portion, and the reinforcing portion is arranged around the pressure relief portion. The first weakened portion is connected to the pressure relief portion via the reinforcing portion, stiffness of the first weakened portion being less than stiffness of the reinforcing portion. This structure of the pressure relief component makes the first weakened portion more prone to deformation, allowing the first weakened portion to absorb the deformation energy of the battery cell when the battery cell is subjected to internal and external impacts and deforms, enabling the first weakened portion to provide a certain buffering effect, thereby reducing phenomena such as deformation or damage to the pressure relief portion, and improving the operational stability and service life of the pressure relief component.

POSITIVE ELECTRODE ACTIVE MATERIAL COMPOSITE, POSITIVE ELECTRODE COMPRISING SAME, AND LITHIUM ION SECONDARY BATTERY COMPRISING POSITIVE ELECTRODE

Resumen de: EP4611065A1

The present invention provides a positive electrode active material composite comprising a positive electrode active material substrate and a coating layer comprising a compound represented by Formula 1 below coated on the positive electrode active material substrate, a positive electrode comprising the positive electrode, and a lithium-ion secondary battery comprising the positive electrode.        Formula 1     LiaTibOc-dXd

BATTERY CELL ASSEMBLY AND BATTERY PACK COMPRISING SAME

Resumen de: EP4611128A1

The present technology provides a battery cell assembly including: a cell block with a plurality of battery cells; a first cover plate facing a first surface of the cell block, and including a first cooling channel; a second cover plate facing a second surface of the cell block, and including a second cooling channel; a supply pipe into which a cooling fluid supplied from the outside flows, the supply pipe including a first supply channel connected to an inlet of the first cooling channel and a second supply channel connected to an inlet of the second cooling channel; and a discharge pipe configured to discharge the cooling fluid to the outside, the discharge pipe including a first discharge channel connected to an outlet of the first cooling channel and a second discharge channel connected to an outlet of the second cooling channel.

BATTERY RACK AND ENERGY STORAGE SYSTEM

Nº publicación: EP4611152A1 03/09/2025

Solicitante:

SK ON CO LTD [KR]
SK On Co., Ltd

Resumen de: EP4611152A1

An energy storage system according to an embodiment of the present invention comprises: a plurality of battery modules arranged in a stacked manner; and a battery rack comprising a pair of thermal runaway blocking kits which cover the plurality of battery modules on both sides thereof, wherein the pair of thermal runaway blocking kits may comprise a body portion on which the plurality of battery modules are mounted and which comprise an empty space in which gas discharged from one or more of the battery modules is confined, and a side frame coupled to the body portion so as to cover the empty space.