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ELECTRODE STACKING DEVICE FOR BATTERY CELL ASSEMBLY

Resumen de: EP4715924A1

An electrode stacking device includes a battery frame configured to stack at least one electrode and a separator, the battery frame including: a base part configured to support the at least one electrode and the separator; and a guide part provided on one side of the base part, the guide part including: a first guide part having at least one first accommodation part configured to accommodate an electrode terminal part of the at least one electrode; and a second guide part having at least one second accommodation part configured to accommodate an auxiliary guide part. The first guide part and the second guide part are located at opposite ends of the base part.

BATTERY ASSEMBLY AND BATTERY DRIVING DEVICE

Resumen de: EP4715950A1

A battery assembly includes a battery cell accommodating an electrode assembly and including a first side that includes a first electrode terminal and a second electrode terminal thereon, a protective circuit module above the first electrode terminal and the second electrode terminal, and a connecting portion connecting the first electrode terminal and the second electrode terminal to the protective circuit module, wherein the connecting portion has a foldable structure.

SECONDARY BATTERY

Resumen de: EP4715998A1

The present disclosure provides a secondary battery. A secondary battery according to the present disclosure includes an electrode assembly including a plurality of first electrode tabs and a plurality of second electrode tabs, and a collector plate joined to the plurality of first electrode tabs, in which the plurality of first electrode tabs includes a first tab group, the first tab group is joined to the collector plate while at least some of the plurality of first electrode tabs of the first tab group are bent in a first direction and others of the plurality of first electrode tabs of the first tab group are bent in a second direction, and the first direction and the second direction are substantially parallel to a stacking direction of the electrode assembly and are substantially opposite to one another.

POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, AND LITHIUM ION BATTERY

Resumen de: EP4715897A1

A positive electrode material and a preparation method thereof, and a lithium-ion battery. The positive electrode material includes: a core layer including Li, Fe, Mn, PO₄^- ions, and doping element A; a shell layer, where at least a surface portion of the shell layer is coated on an outer surface of the core layer and the shell layer includes a first carbon particle and a second carbon particle; where the doping element A includes at least one element of Al, Mg, Ni, Co, Ti, Ga, Cu, V, Nb, Zr, Ce, In, Zn and Y; a distance difference between the highest point and the lowest point in a single surface of the positive electrode material is not more than 1 nm, and the surface roughness of the positive electrode material is 0.8µm to 1.6µm. Through the two carbon coating processes, on the basis of ensuring the high capacity and high compaction of the positive electrode material, manganese leaching is greatly reduced, ensuring the cyclic discharge efficiency of the positive electrode material.

Lithium primary battery and preparation method thereof

Resumen de: GB2700865A

A lithium primary battery has a positive electrode sheet including a positive active coating and an electrolyte layer sequentially provided on at least one surface of a positive current collector. The positive active coating includes a positive active material, a first polymer solid electrolyte, an oxide solid electrolyte, and a first lithium salt. The electrolyte layer comprises a second polymer solid electrolyte and a second lithium salt. The first or second polymer solid electrolyte includes at least one or polyethylene oxide (PEO), polycarbonate, polyacrylonitrile, polysiloxane and polymethacrylate. The solid oxide electrolyte comprises at least one of Li1.5Al0.5Ge1.5(PO4)3, Li1.4Al0.4Ti1.6(PO4)3, Li0.33La0.557TiO3 and Li7La3ZrO12. The battery also includes a negative electrode sheet which may be a lithium metal sheet. The positive active material may include at least one of manganese dioxide (MnO2) and CFx (0.5

PROTECTIVE PLATE, HOUSING, AND BATTERY PACK

Resumen de: EP4715989A1

The present application relates to the field of battery pack protective structures, and more particularly to a protective plate, a housing, and a battery pack. The main body is provided with a plurality of exhaust portions and a plurality of connecting portions, and the plurality of exhaust portions and the plurality of connecting portions are sequentially and alternately provided in a first direction; each of the exhaust portions is formed into a recessed structure passing through opposite end portions of the main body in a second direction, and each of the connecting portions is provided with a cavity passing through the opposite end portions of the main body in the second direction; when the main body is connected to a battery cell module, the connecting portions are bonded to the battery cell module, and the openings of the exhaust portions face an explosion-proof valve of the battery cell module.

VEHICLE AND TRACTION BATTERY TEMPERATURE MANAGEMENT METHOD AND SYSTEM THEREFOR

Resumen de: EP4715964A1

The present invention relates to the technical field of traction battery temperature management for vehicles, and specifically relates to a vehicle and a traction battery temperature management method and system therefor. The method includes: controlling, when a cooling condition is reached and in cases where an environment temperature is not greater than a preset environment temperature and a temperature of a cooling liquid of an electrically-driven system is not greater than a preset cooling liquid temperature, an electrically-driven radiator of a cooling apparatus of the electrically-driven system to cool a cooling liquid in a cooling pipeline of a traction battery; and controlling, when a heating condition in a vehicle running process is reached and in a case where a temperature of a battery falls within a first set temperature range, the cooling liquid in a cooling pipeline of the cooling apparatus of the electrically-driven system to heat the cooling liquid in the cooling pipeline of the traction battery. That is, the traction battery is cooled by using an electrically-driven cooling module according to the environment temperature such that energy consumption of cooling the traction battery in a low-temperature environment can be reduced; and the traction battery is heated by using the electrically-driven system according to a state of the vehicle such that energy consumption of heating the traction battery can be reduced.

BATTERY PACK

Resumen de: EP4715988A1

Disclosed is a battery pack. A battery pack according to one embodiment of the present disclosure may include a base plate; a battery assembly including a case installed on an upper surface of the base plate and a plurality of battery cells positioned inside the case; a partition wall installed on the upper surface of the base plate; and a heat-resistant member provided on one surface of the partition wall.

ELECTRODE ASSEMBLY AND MANUFACTURING METHOD THEREOF

Resumen de: EP4715954A1

An electrode assembly includes a separator sheet including a folding part folded in a zigzag shape to define a plurality of accommodation spaces separated in the vertical direction, and a cover part extending from the folding part and a cell structure accommodated in the plurality of accommodation spaces of the separator sheet. The cell structure includes a first electrode and a second electrode. The cover part of the separator sheet includes a first side cover part covering a first side surface of the cell structure, and the first side cover part includes a first through-hole communicating with at least one accommodation space of the plurality of accommodation spaces of the separator sheet.

WALL-MOUNTING STRUCTURE FOR ENERGY STORAGE DEVICE

Resumen de: EP4715984A1

A wall mounting structure for an energy storage device may include a coupling bracket disposed on the energy storage device and including a support protrusion, and a wall mounting bracket including a rack bracket, on which the support protrusion is supported, and configured to be fixed to a wall.In the wall mounting structure of the energy storage device according to an embodiment of the present disclosure, structural rigidity for supporting the energy storage device may be secured, installation may be made easy by hanging the energy storage device on the wall mounting bracket fixed to the wall, and the need for a structure for supporting the bottom of the energy storage device may be eliminated.

SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME

Resumen de: EP4715917A1

A secondary battery includes an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode, a spacer in contact with at least a portion of an outer surface of the electrode assembly, a case including a top opening and accommodating the electrode assembly and the spacer, and a cap assembly at the top opening to seal the electrode assembly.

NEGATIVE ELECTRODE SLURRY, NEGATIVE ELECTRODE, AND LITHIUM SECONDARY BATTERY COMPRISING SILICON CARBON COMPOSITE

Resumen de: EP4715900A1

The present invention relates to a negative electrode slurry, a negative electrode, a lithium secondary battery, a battery module, and a battery pack comprising: a silicon carbon composite having a pH of 6 to 8 and a silicon content of 40 parts by weight to 60 parts by weight with respect to 100 parts by weight in total of the silicon carbon composite; a cellulose-based binder; and a conductive material..

NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME

Resumen de: EP4715889A1

A negative electrode for a lithium secondary battery includes a negative electrode current collector, a first negative electrode active layer provided on at least one side of the negative electrode current collector, and a second negative electrode active layer provided on the first negative electrode active layer. Also provided is a method for manufacturing the negative electrode, and a lithium secondary battery using the negative electrode. The negative electrode applies CMC binders having different molecular weights to the first and second negative electrode active layers and controls the orientation of the negative electrode active materials, respectively. By doing so, the negative electrode has excellent adhesion between the current collector and the active layer and improves the charging performance when applied to a lithium secondary battery.

SOLID-STATE BATTERY

Resumen de: EP4715972A1

The present invention provides a solid-state battery that is sufficiently excellent in low-temperature densification characteristics and moisture resistance. The present invention relates to the solid-state battery including an exterior portion and an insulating portion, in which at least one of the exterior portion and the insulating portion includes an oxide ceramic containing Li (lithium), Mg (magnesium), one or more elements (M) selected from the group consisting of Group 4 and Group 5 elements, and Bi (bismuth).

MULTI-WAY VALVE, THERMAL MANAGEMENT APPARATUS, ENERGY STORAGE DEVICE, AND VEHICLE

Resumen de: EP4715245A1

This application provides a multi-way valve, a heat management apparatus, an energy storage device, and a vehicle, and relates to the field of energy technologies, to resolve an existing problem such as a complex multi-way valve structure. The multi-way valve may include a housing, at least two valve cores, a transmission assembly, and a driver assembly. There is a cavity inside the housing. The at least two valve cores are rotatably disposed in the cavity and sequentially disposed in an axial direction. The transmission assembly is connected to the at least two valve cores. The driver assembly is disposed at a first end of the housing and is connected to the transmission assembly. The driver assembly is configured to drive, by using the transmission assembly, each valve core to rotate. The plurality of valve cores are sequentially disposed in the axial direction, and no radial size of the multi-way valve is additionally increased, to help implement a miniaturization design of the multi-way valve. The driver assembly may drive, by using the transmission assembly, each valve core to rotate, so that mutual interference between different valve cores can be avoided. When a connection state or a disconnection state between different interfaces needs to be switched, flexibility and reliability are good.

POSITIVE ELECTRODE ACTIVE MATERIALS FOR ALL-SOLID-STATE RECHARGEABLE BATTERIES, PREPARATION METHODS OF POSITIVE ELECTORDE ACTIVE MATERIALS, AND ALL-SOLID-STATE RECHARGEABLE BATTERIES

Resumen de: EP4715888A1

Disclosed are a positive electrode active material for an all-solid-state rechargeable battery, a method of preparing the positive electrode active material, and an all-solid-state rechargeable battery. The positive electrode active material includes a first positive electrode active material including a first lithium nickel-based composite oxide particle in a form of secondary particles formed by agglomeration of primary particles. A first coating layer is disposed on surfaces of the first lithium nickel-based composite oxide particles and includes boron. A second coating layer is disposed on the first coating layer and includes zirconium. The positive electrode active material also comprises a second positive electrode active material comprising a second lithium nickel-based composite oxide particle in a form of single particles. A third coating layer is disposed on surfaces of the second lithium nickel-based composite oxide particles and includes zirconium.

BATTERY MODULE AND BATTERY PACK

Resumen de: EP4715961A1

Provided are a battery module and a battery pack. The battery module includes a casing (1) having a liquid cooling chamber (11); two liquid cooling assemblies (2) disposed on two opposite sides of the liquid cooling chamber (11), respectively; a cell group (3) having multiple cells (31) disposed in the liquid cooling chamber (11); and a cells contact system, CCS, assembly (4) disposed between the cell group (3) and any one of the two liquid cooling assemblies (2). A liquid cooling assembly (2) has a cooling flow channel (21) communicating with the liquid cooling chamber (11).

POSITIVE ELECTRODES AND RECHARGEABLE LITHIUM BATTERIES INCLUDING THE SAME

Resumen de: EP4715884A1

Provided is a positive electrode including a positive electrode current collector; and a positive electrode active material layer located on the collector and including a positive electrode active material, a copolymer binder, and an amine. The copolymer binder includes a first structural unit including a carboxyl group and a nonionic second structural unit, and the carboxyl group and the amine are present in a form of a salt. The positive electrode increases capacity while reducing production cost, thereby ensuring long cycle-life characteristics and improving high-voltage characteristics and high-temperature storage characteristics. The rechargeable lithium battery including the positive electrode may exhibit high initial charge/discharge capacity and efficiency even under high voltage driving conditions, and can achieve long cycle-life characteristics.

PACKAGING BAG, SECONDARY BATTERY, AND ELECTRONIC DEVICE

Resumen de: EP4715971A1

This application discloses a packaging bag (10), a secondary battery (100), and an electronic device, where the packaging bag (10) includes an encapsulation layer (11), a metal layer (12), an adhesive layer (13), and a packaging layer (14) arranged in a stacked manner. The adhesive layer (13) includes a first thermally conductive material (131), where a mass percentage of the first thermally conductive material (131) in the adhesive layer (13) is denoted as G1, and 1% ≤ G1 ≤ 30%. By incorporating the first thermally conductive material (131) into the adhesive layer (13), heat generated during operation of the secondary battery (100) can be more effectively conducted away, mitigating temperature rise inside the secondary battery (100), thereby improving the performance and safety of the secondary battery (100). Additionally, this enables more uniform heat distribution between the interior of the secondary battery (100) and the packaging bag (10), reducing localized overheating and extending the service life of the secondary battery (100).

COOLANT LEAK DETECTION APPARATUS AND METHOD OF DETECTING COOLANT LEAK USING THE SAME

Resumen de: EP4715359A1

Provided are a coolant leak detection apparatus (1) and method of detecting a coolant leak using the same. The apparatus is capable of measuring a mass and temperature of coolant (CW) stored in a tank part (20), and detecting a coolant leak using information on the mass and temperature of the coolant. The coolant leak detection apparatus (1) includes a mass measuring part (100) being installed on a tank part (20) that stores coolant (CW) and the mass measurement part being configured to measure a mass of the coolant stored in the tank part, a temperature measuring part (200) being installed on the tank part (20) and configured to measure temperature of the coolant, and a control part (300) electrically connected to the mass measuring part and temperature measuring part and configured to detect a leak of the coolant using information on the mass and temperature of the coolant received from the mass measuring part (100) and temperature measuring part (200), respectively.

BATTERY AND BATTERY MANUFACTURING METHOD

Resumen de: EP4715963A2

A battery of the present disclosure has an electrode body, a case accommodating the electrode body, and a resin body electrically insulating the electrode body and the case. The electrode body includes a positive electrode current collector, a positive electrode active material layer, an electrolyte, a negative electrode active material layer and a negative electrode current collector. The case includes a metal tube having a first opening and a second opening, and covers that seal the first opening and the second opening respectively. The resin body includes plural concave regions extending from the first opening toward the second opening.

CURRENT COLLECTOR AND BATTERY

Resumen de: EP4715891A1

The current collector includes: a first layer that includes Al; a second layer that is disposed on the first layer and includes a metal element M, the metal element M having an oxidation-reduction potential based on Li of 2.3V or more and not being an amphoteric element; and a third layer that is disposed on the second layer and includes a resin.

METHOD FOR MANUFACTURING LITHIUM SECONDARY BATTERY

Resumen de: EP4715956A1

The present disclosure relates to a manufacturing method of a lithium secondary battery comprising: a step(S1) of manufacturing a preliminary cell which comprises a positive electrode containing a positive electrode active material, a negative electrode, a separator and an electrolyte; and a step (S2) of charging the preliminary cell to a charging cut-off voltage and discharging to activate the preliminary cell, wherein: the positive electrode active material includes a lithium-rich manganese-based oxide containing 50 mol% or more of manganese(Mn) among all metals excluding lithium, and having a molar ratio of lithium to all metals excluding lithium (Li/Me) exceeding 1, the charging cut-off voltage is more than 4.3V, and the activating step is performed so that the ratio (B/A) of the charging capacity(B) in the range from 4.3V to the charging cut-off voltage to the total charging capacity(A) when the preliminary cell is charged to the charging cut-off voltage is 0.63 or less.

ELECTRODE FOR LITHIUM METAL BATTERY AND LITHIUM METAL BATTERY COMPRISING SAME

Resumen de: EP4715890A1

An electrode for a lithium metal battery according to embodiments of the present disclosure includes a lithium metal storage layer including silicon oxide particles. The silicon oxide particles have a porous structure, and the molar ratio of oxygen to silicon in the silicon oxide particles is 1.5 or more and less than 2.0. A lithium metal battery according to embodiments of the present disclosure includes the electrode for a lithium metal battery according to the above-described embodiments.

BATTERY MODULE AND ASSEMBLY METHOD THEREFOR

Nº publicación: EP4715997A1 25/03/2026

Solicitante:

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

Resumen de: EP4715997A1

The present disclosure relates to a battery module and an assembly method therefor, the battery module comprising: a plurality of battery cells stacked in one direction; a busbar electrically connected to the plurality of battery cells stacked in the one direction; a sensing unit electrically connected to the busbar in order to detect the voltage of the plurality of battery cells; and a sensing terminal unit provided between the sensing unit and the busbar so as to electrically connect the busbar and the sensing unit. The sensing terminal unit comprises: a coupling unit positioned so as to face at least a portion of the busbar; and a plurality of welding regions for coupling the coupling unit and the sensing terminal unit when the sensing terminal unit and the busbar are welded.