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1499
resultados
Última actualización
08/08/2025 [07:36:00]
Resultados 325 a 350 de 1499
Resumen de: EP4597679A1
A non-aqueous electrolyte secondary battery comprises: an electrode body obtained by winding a negative electrode (12) in which a negative electrode mixture layer (32) is formed on a negative electrode core body (30) and a positive electrode, with a separator therebetween; and a non-aqueous electrolyte. The non-aqueous electrolyte secondary battery is characterized in that: the negative electrode (12) has, at the winding direction inner-end side of the electrode body, a non-facing part (12a) which does not face the positive electrode with the separator therebetween; the non-facing part (12a) has a mixture non-facing part (12c) in which the negative electrode mixture layer (32) is formed on at least one surface of the negative electrode core body (30), from the winding direction outer end of the non-facing part (12a) and toward the winding direction inner side; and the average value of a mixture surface distance which is between the mixture non-facing part (12c) and the negative electrode (12e) positioned one turn outward of the mixture non-facing part (12c) is not less than 90 µm.
Resumen de: EP4597607A1
A disclosed positive electrode is a positive electrode for a nonaqueous electrolyte secondary battery. The positive electrode includes a positive electrode mixture layer. The positive electrode mixture layer contains a positive-electrode active material, a conductive material, a fluorine-containing polymer, and a dispersant. The positive-electrode active material includes a composite oxide represented by a composition formula LiyNixM(1-x)O2-δ (where x, y, and δ satisfy 0.6≤x≤1, 0
Resumen de: EP4597713A1
A battery pack is disclosed. The battery pack comprises at least one part of a housing, at least one battery system arranged in the at least one part of the housing, at least one containing member contacted with the at least one part of the housing and the at least one battery system, the at least one containing member comprises a self-expendable filler material, the at least one containing member with the self-expendable filler material is contacted with the at least one part of the housing to provide stability to the battery pack and/or to the at least one battery system with respect to the at least one part of the housing.
Resumen de: EP4597718A1
A battery housing (100) for holding a plurality of battery cells (102) for a vehicle, the battery housing comprising: a cell compartment (104) comprising an opening (106); a vent channel (108) fluidly connected to the cell compartment via the opening, the vent channel comprising a first outlet (110) and a second outlet (112), each of the first and second outlet being fluidly connected to an outside of the battery housing; and a thermal expansion material (114) arranged in a flow path between the opening and the first outlet, the thermal expansion material being configured to expand to prevent a flow through the first outlet at a predetermined threshold temperature.
Resumen de: EP4597654A1
The present disclosure provides a battery module, an apparatus and method for manufacturing said battery module, and a method of disassembling said battery module. The battery module of the present disclosure is comprised of a plurality of pouch battery cells arranged within a structural enclosure, such that the battery module is folded about a plurality of module folding lines to form a folded battery module. Embodiments of the battery module provide improved mechanical strength and stiffness, improved safety, lower weight and cost, and provides further improvements to disassembly and recycling of the battery module.
Resumen de: EP4597606A1
A positive electrode (11) in a non-aqueous electrolyte secondary battery (10) according to an embodiment of the present invention contains, as a positive-electrode active material, a lithium transition metal composite oxide that has a layered structure and contains at least 75 mol% of Ni with respect to the total molar quantity of metal elements excluding Li. The lithium transition metal composite oxide is made of secondary particles formed by aggregation of primary particles. At least one selected from the group consisting of Ca and Sr, and at least one selected from the group consisting of W, Mo, Ti, Si, Nb, and Zr, are present at the interface between primary particles inside the secondary particles. An electroconductive auxiliary agent within a positive-electrode compound layer (31) includes at least one selected from the group consisting of particulate carbon materials having an average grain diameter of 20 nm or less and fibrous carbon materials having an average fiber diameter of 20 nm or less, the carbon materials containing carbon.
Resumen de: EP4597593A1
This manufacturing device 1 for a mixture sheet S comprises: a first forming roller 4 and a second forming roller 6 that press a particulate dry-type electrode mixture P into a sheet form, thereby forming the mixture sheet S, the second roller 6 supporting and conveying the mixture sheet S on a circumferential surface 6b; and a first stretching roller 8 that stretches the mixture sheet S, the first stretching roller 8 being disposed so that a gap G1 between the first stretching roller 8 and the second forming roller 6 becomes smaller than the thickness T1 of the mixture sheet S that is supported by the second forming roller 6. The positional relationship between the first forming roller 4, the second forming roller 6, and the first stretching roller 8 is determined so that the rollers extend in a direction in which a first virtual line L1 and a second virtual line L2 intersect, the first virtual line L1 passing through a rotational axis 4a of the first forming roller 4 and a rotational axis 6a of the second forming roller 6, and the second virtual line L2 passing through the rotational axis 6a of the second forming roller 6 and a rotational axis 8a of the first stretching roller 8.
Resumen de: EP4597740A1
A power storage device (10) comprises: an electrode body (14) in which a positive electrode (11) and a negative electrode (12) are wound with a separator (13) therebetween; an exterior body (15) that serves to accommodate the electrode body (14) and has a bottomed cylinder shape with an opening therein; a sealing body (16) for closing the opening; a first insulating member (17); and a second insulating member (18). A safety valve for releasing the internal pressure in the exterior body (15) when said internal pressure rises to a level equal to or greater than a predetermined level is provided to one of the bottom section of the exterior body (15) and the sealing body (16). The first insulating member (17) is arranged between the electrode body (14) and the safety valve, the second insulating member (18) is arranged in a position facing the first insulating member (17) with the electrode body (14) therebetween, and while at a predetermined temperature, the amount of gas generated from the second insulating member (18) is greater than the amount of gas generated from the first insulating member (17).
Resumen de: EP4597599A1
This positive electrode for a lithium battery includes a positive electrode active material containing manganese dioxide and a conductive auxiliary agent. The conductive auxiliary agent includes carbon black. The carbon black has an average primary particle size of 30 nm or more and a specific surface area of 1000 m<sup>2</sup>/g or more, and contains Al.
Resumen de: WO2024107446A2
A battery' system, and associated, methods are disclosed. In one aspect, a battery system includes a. stack of battery cells, including two or more different thermal zones. Aspects are shows with two or more different thermal regulating members located between battery cells in the stack of lithium-ion battery cells at dividing location between the thermal zones.
Resumen de: EP4596276A1
A thermal management system and a vehicle having same. The thermal management system comprises a battery heat exchange module and a controller. The battery heat exchange module comprises a first trunk line and a second trunk line, wherein a first heat exchange assembly is arranged in the first trunk line, a second heat exchange assembly is arranged in the second trunk line, and the first heat exchange assembly and the second heat exchange assembly are used for exchanging heat with a battery. The controller is configured to control at least one of the first trunk line and the second trunk line to exchange heat with the battery according to the temperature of the battery.
Resumen de: EP4596275A1
A thermal management system, comprising: a battery thermal management subsystem which comprises a first trunk line and a second trunk line, the first trunk line being used for exchanging heat with a first area of a battery, the second trunk line is used for exchanging heat with a second area of the battery, the first area and the second area being different, and at least one of the first trunk line and the second trunk line exchanging heat with the battery; and a heat exchange unit which is arranged on the battery thermal management subsystem and a power thermal management subsystem, wherein the battery thermal management subsystem and the power thermal management subsystem exchange heat by means of the heat exchange unit, and the power thermal management subsystem is used for heat dissipation of electronic modules.
Resumen de: EP4596307A1
A control method and a vehicle. The control method comprises: acquiring a heat exchange signal; and controlling at least one of a first trunk line in a thermal management system and a second trunk line in the thermal management system to exchange heat with a battery, the first trunk line being used for exchanging heat with a first area of the battery, the second trunk line being used for exchanging heat with a second area of the battery, and the first area being different from the second area.
Resumen de: EP4596309A1
A thermal management system and a vehicle having same. The thermal management system comprises: a battery heat exchange module. The battery heat exchange module comprises: a first trunk line and a second trunk line, wherein the first trunk line is configured to exchange heat with a first region of a battery, the second trunk line is configured to exchange heat with a second region of the battery, the first region is different from the second region, and at least one of the first trunk line and the second trunk line exchanges heat with the battery.
Resumen de: EP4596274A1
A thermal management system and a vehicle having same. The thermal management system comprises: a battery thermal management subsystem, the battery thermal management subsystem comprising a first trunk line (10a) and a second trunk line (10b), the first trunk line (10a) being used for exchanging heat with a first region of a battery, the second trunk line (10b) being used for exchanging heat with a second region of the battery, the first region being different from the second region, and at least one of the first trunk line (10a) and the second trunk line (10b) exchanging heat with the battery; and at least one first heat exchanger (791), the first heat exchanger (791) being arranged on the battery thermal management subsystem and an air conditioning subsystem, and the battery thermal management subsystem and the air conditioning subsystem exchanging heat by means of the first heat exchanger.
Resumen de: EP4597691A1
A battery heat exchange module (20), comprising: a first interface (23), a second interface (24), a first heat exchange assembly (21), and a second heat exchange assembly (22). The first heat exchange assembly (21) and the second heat exchange assembly (22) are used for exchanging heat with a battery (300). The first heat exchange assembly (21) is arranged corresponding to a first area of the battery (300), the second heat exchange assembly (22) is arranged corresponding to a second area of the battery (300), and the first area is different from the second area.
Resumen de: WO2024067894A1
The object of the invention is a device (1 ) for regulating the temperature of battery cells (2) comprising a casing (3), a cover (11), a cavity (4) inside the casing (3), at least one inlet (5) of a heat transfer medium into the cavity (4) and at least one outlet (6) of the heat transfer medium from the cavity (4), wherein at least 3 battery cells (2) are located in the cavity (4) and surrounded by the heat transfer medium (7), wherein the casing (3) comprises a first side (8) of the casing and a second side (9) of the casing and the cavity (4) has a mouth (10) adjacent to the first side (8) of the casing closed by the cover (11). The device further comprises an elastic plate (12), wherein the elastic plate (12) comprises a number of openings (13) corresponding to the number of battery cells (2) inside the cavity (4), where each battery cell (2) passes through one opening (13) and the cross-section of the openings (13) in the elastic plate (12) is as large as or smaller than the cross-section of the battery cells (2), wherein the cover (11) comprises electrical conductors (14) connected to the battery cells (2) and is adjacent to the first side (15) of the elastic plate, wherein the second side (16) of the elastic plate is in contact with the heat transfer medium (7).
Resumen de: WO2024067893A1
The object of the invention is a heat exchanger with regulation of the current of a heat transfer medium comprising an inlet port (1) for the heat transfer medium, an outlet port (2) for the heat transfer medium, a thermally regulated component (3) comprising heat transfer surfaces (4), a first path (5) of the flow and a second path (5) of the flow of the heat transfer medium in heat transfer contact with different heat transfer surfaces (4) of the thermally regulated component, and an inlet manifold (6) comprising an inlet integrated channel (7) connected to the inlet port (1), wherein the first path (5) of the flow and the second path (5) of the flow are connected by their first end to the inlet integrated channel (7) and by their second end to the outlet port (2). The inlet integrated channel (7) comprises a first inlet channel (8) and a second inlet channel (9), wherein the first inlet channel (8) connects the inlet port (1 ) to the mouth (10) of the first path from the inlet integrated channel (7) and the second inlet channel (9) connects the inlet port (1) to the mouth (10) of the second path from the inlet integrated channel (7), wherein furthermore the inlet manifold (6) in the first inlet channel (8) comprises a first valve (11) for the regulation of the flow of the heat transfer medium through the first inlet channel (3).
Resumen de: WO2024067895A1
The object of the invention is a safety system of a battery module (1 ) and a method of operation of the safety system of the battery module (1 ) of the present invention, wherein the safety system of the battery module (1 ) comprises a reservoir (2) of a flame retardant for storing the flame retardant (3) connected to the battery module (1 ), wherein the battery module (1 ) comprises a set of at least 3 battery cells, wherein the battery cells are arranged such as to form a space between them for the flowing of the heat transfer medium (4), and that the battery module (1 ) comprises a cooling circuit (5) of the battery module comprising an inlet (6) of the heat transfer medium, an outlet (7) of the heat transfer medium, and a manifold (8) of the heat transfer medium, wherein the manifold (8) of the heat transfer medium is connected to the inlet (6) of the heat transfer medium and comprises at least two mutually spaced apart mouths for the outflow of the heat transfer medium (4) into the space for the flowing of the heat transfer medium (4) between the battery cells, wherein the reservoir (2) of the flame retardant is connected to the manifold (8) of the heat transfer medium. The method of operation of the safety system of the battery module (1 ) lies in the fact that when the first critical temperature is reached, the access of the flame retardant (3) to the manifold (8) of the heat transfer medium, through which the flame retardant (3) is discharged through the mouths for t
Resumen de: EP4596545A1
The present application provides a diamine compound, a polyimide acid, a polyimide, and a preparation method therefor and use thereof. The diamine compound has a chemical structural formula represented by formula (I),wherein R<sub>1</sub> and R<sub>2</sub> are independently selected from a single bond, substituted or unsubstituted alkylene, substituted or unsubstituted alkenylene, substituted or unsubstituted alkynylene, substituted or unsubstituted arylene, substituted or unsubstituted arylenealkyl, substituted or unsubstituted heteroarylene, substituted or unsubstituted heteroarylenealkyl, or substituted or unsubstituted alicylidene.
Resumen de: EP4597010A1
The present application provides a cathode for an oxygen processing device, and an oxygen processing device and refrigerator, wherein the cathode comprises: a mesh conductive film comprising at least one movable intersection point configured to absorb stress through movement. When the cathode is subjected to stress, since the movable intersection point on the mesh conductive film can absorb stress through movement, the stress can be transferred to and "concentrated" at the movable intersection point. The movement of the movable intersection point will not cause significant changes in a shape of the mesh conductive film. Therefore, the mesh conductive film as a whole will hardly undergo significant deformation due to stress, which is beneficial for improving the structural stability of the cathode.
Resumen de: EP4597738A1
A battery (100) and an electrical device (200) are disclosed. The battery (100) includes a plurality of battery cells (101). At least two of the battery cells (101) are disposed opposite to each other. At least one electrode post (121) of the two battery cells (101) disposed opposite to each other is located on one side of each of two battery cells (101), where the one side of one battery cell is oriented toward the one side of the other battery cell. An insulation structure (3) is disposed between the two battery cells (101) disposed opposite to each other. At least a part of the insulation structure (3) is located between the electrode posts (121) of the two battery cells (101), the electrode posts being oriented toward each other.
Resumen de: EP4597741A1
A battery cell (10), a battery (100), and a power-consuming apparatus are provided. The battery cell (10) includes a housing (11), an electrode terminal (12), a first connecting member (13), and an insulating film (14). A first end wall (110) is provided with a first through-hole (1101), and the first through-hole (1101) passes through the first end wall (110) in a thickness direction of the first end wall (110). The electrode terminal (12) is mounted in the first through-hole (1101). At least a part of the first connecting member (13) is located on an outer side of the first end wall (110) in the thickness direction, and the first connecting member (13) is disposed in a circumferential direction of the electrode terminal (12) and is connected to the electrode terminal (12). The insulating film (14) covers at least a part of an outer surface of the first end wall (110), the insulating film (14) is provided with a second through-hole (140) for exposing the electrode terminal (12), and the insulating film (14) is connected to the first connecting member (13). The technical solution can improve reliability of the battery.
Resumen de: EP4597721A1
The present application provides a separator, comprising a first base film and a second base film. The melting point of the second base film is lower than that of the first base film. The porosity of the first base film is denoted as P1, and the porosity of the second base film is denoted as P2, wherein 1.02 < P1/P2 ≤ 3. A base film with a large porosity has good air permeability, so the first base film with a large porosity exerts the excellent air permeability thereof; and a base film with a small porosity has good strength, so the second base film with a small porosity exerts the good strength thereof and is thus not prone to being punctured by lithium dendrites. Therefore, according to the present application, the separator has good air permeability and good strength due to the combination of the first base film and the second base film, so that the reliability and the cycle performance of a secondary battery can be improved.
Nº publicación: EP4597739A1 06/08/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4597739A1
The present invention relates to a battery module, in which a busbar assembly is simplified in shape and reduced in volume to improve space utilization of a battery pack and efficiency of a manufacturing process, and a battery pack.A battery pack according to the present invention includes a plurality of cell groups comprising one or more cells and a terminal, and a busbar assembly disposed on one end of a top surface of each of the cell groups, wherein the busbar assembly includes a busbar disposed at a position corresponding to a position of the terminal to electrically connect the cell groups to each other, a circuit board electrically connected to the busbar to sense the cell groups, and a film laminated on the busbar and the circuit board to prevent the busbar and the circuit board from moving.
BOPI
Sede Electrónica
