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RECHARGEABLE BATTERY

Resumen de: EP4597694A1

A rechargeable battery includes an electrode assembly (130) including a first electrode, a second electrode, and a separator, a current collecting plate (140, 150) electrically connected to one of the first electrode and the second electrode, a case accommodating the electrode assembly (130) and the current collecting plate (140, 150) therein, and a cap plate coupled to an end of the case to seal the case. The current collecting plate (140, 150) includes a flat outer surface (51) and an inner surface including a plurality of welding parts protruding toward the electrode assembly (130).

ELECTRODE ASSEMBLY AND SECONDARY BATTERY INCLUDING THE SAME

Resumen de: EP4597595A1

An electrode assembly (100) including: a first electrode plate (110) including a first electrode substrate (111) having a first electrode active material layer (112) thereon; a first separator (120); a second electrode plate (130) including a second electrode substrate (131) having a second electrode active material layer (132) thereon; and a second separator (140). The first electrode plate (110), the first separator (120), the second electrode plate (130), and the second separator (140) are sequentially stacked and wound about a winding axis, and the first electrode substrate (111), the first separator (120), and the second separator (140) extend at least one turn beyond a distal end (130a) of the second electrode plate (130) in the wound electrode assembly (100).

METHOD FOR REMOVING METAL AND METHOD FOR RECOVERING METAL

Resumen de: WO2024071147A1

Provided are a method for removing at least one metal that can effectively remove metals from lithium ion battery waste, and a method for recovering metals. A method for removing at least one metal from lithium ion battery waste, wherein the lithium ion battery waste has a cathode material with cathode-derived metals adhering onto a cathode current collector containing aluminum, the aluminum being a metal to be removed, wherein the method includes, in any order: a crushing step of crushing the lithium ion battery waste and separating at least a part of the cathode-derived metals from the cathode current collector; and an alkali separation step of separating at least a part of the cathode-derived metals from the cathode current collector by bring the lithium ion battery waste into contact with an alkaline solution to dissolve the aluminum, wherein the method further includes, after the crushing step, a sieving step of sieving the lithium ion battery waste into a material on sieve and a material under sieve containing the cathode-derived metals separated from the cathode current collector in the crushing step, and wherein, when the sieving step is performed before the alkali separation step, at least a part of the material on sieve obtained in the sieving step is subjected to the alkali separation step.

MODULAR AND EXSPANDABLE POWER DISTRIBUTION UNIT

Resumen de: WO2024069356A1

High voltage modular power distribution unit for electric or hybrid vehicles, the modular power distribution unit being equipped with two or more base electric modules (1) mechanically connected to each other, the base electric module (1) having: - at least one input port connected to an electric power source, - at least one output port connected to an electric user, - a plurality of electric cables and a first plurality of electric connection bus bars, and - a base structure, provided with a plurality of mechanical connection elements, wherein the two or more base electric modules (1) are electrically connected to each other by means of a second plurality of intermodular bus bars (15).

DEVICE AND METHOD FOR GENERATING AN ELECTRODE STACK WITH FLAT ELECTRODE ELEMENTS

Resumen de: CN119968329A

The invention relates to a device (1) for producing an electrode stack (2) with planar electrode elements (3). The device (1) comprises a stacking wheel (10) which is rotatably mounted about a stacking wheel axis (11) and has a plurality of stacking wheel fingers (12) which define respective intermediate spaces (13) for receiving the electrode elements (3); and a scraping unit (20) which is designed to sequentially remove the electrode elements (3) from the respective intermediate spaces (13) by cooperating with a rotational movement (14) of the stacking wheel (10) about the stacking wheel axis (11). The device comprises a receiving unit (30) for sequentially receiving the electrode elements (3) removed from the intermediate space (13). The receiving unit (30) comprises a base structure (31) on which the electrode elements (3) received in the receiving unit (30) can be stacked, and a limiting element (32) which forms a stop for the electrode elements (3) received in the receiving unit (30) and is arranged stationary with respect to the stacking wheel axis (11).

BATTERY TEMPERATURE MANAGEMENT

Resumen de: CN119923744A

A battery and thermal management system (100; 200); 300); 400, 400; 500), having a battery (104; 204); 304, 304; 404, 404; 504) and a heat transfer arrangement (102; 202); 302; 402, 402; 502). An electrical terminal extends from each cell in the battery, and an adjacent pair of terminals (112; 212, 212; 324; 324; 410, 410; 512) are electrically connected together. The heat transfer arrangement has an inlet channel (120; 310); 420); 520), an outlet channel (122; 312; 312; 414; 414; 522) and a plurality of heat transfer channels (124; 314, 314; 416) is provided. The heat transfer channel (124; 314, 314; 416; 416; 514) is defined between the respective inflow wall (126; 330, 330; 426; 426; 518) and an outflow wall (128; 332; 332; 428; 428; 520) and between the inlet channel (120; 310); 412) and the outlet channel (122; 312; 312; 414). In each heat transfer channel (124) there is a permeable barrier (130; 316; 316; 418, 418; 516), the permeable barrier (130; 316; 316; 418, 418; 516) is inclined such that it is positioned in the heat transfer channel (124; 314, 314; 416; 416; 514) farthest from the inflow wall (126; 330, 330; 426; 426; 518), and in which the heat transfer channel (124; 314, 314; 416; 416; 514) at a second end closest to the inflow wall (126; 330, 330; 426; 426; 518) is provided. Each permeable barrier (130; 316; 316; 418, 418; 516) along the permeable barrier (130; 316; 316; 418, 418; 516) and the length of the terminal (112; 212, 212; 324; 324; 410, 410; 512) of

CELL FIXTURE ASSEMBLY AND METHOD OF USING THE SAME

Resumen de: WO2024068583A1

The technology of the present invention generally relates to the field of battery technology, and more particularly relates to a cell fixture assembly for testing of a single electrochemical cell or a number of electrochemical cells stacked on top of each other, wherein the cell fixture assembly comprises at least one cell fixture and a base station; wherein the cell fixture comprises: at least one fixed base plate; at least two moveable plates arranged parallel to the base plate; whereby the moveable plates have oppositely arranged surfaces for contacting the electrochemical cell mounted between them; whereby the fixed and moveable plates comprise a plurality of apertures that are at least partially aligned to create a plurality of vertical channels that extend through said plates; a pressure sensor means, disposed between the base plate and at least one of the moveable plates, comprising a sensor member arranged to support said moveable plate, and configured for measuring a pressure applied to the electrochemical cells; a plurality of rotatable rods, insertable in the plurality of vertical channels, that are configured to rotatably couple with at least one of the moveable plates; whereby a rotation of the plurality of rotatable rods causes one of the moveable plates to move relative to the other moveable plate, thereby clamping or releasing the electrochemical cell mounted between them; and, a plurality of coupling members in connection with the plurality of rotatable rods;

ELECTROLYTE WITH DUAL FUNCTION SALT ADDITIVE

Resumen de: AU2023352888A1

The present disclosure relates to an electrolyte product (1), formed as a solid or semi-solid layer, comprising a polymer-based matrix, having dispersed therein an amount of an electrolyte salt composition (4) and an amount of an additive salt composition (5). The disclosure further relates to a method of manufacturing a battery cell product, a battery cell product comprising the electrolyte product, and a battery product comprising a plurality of battery cell products.

DIAMINE COMPOUND, POLYIMIDE ACID, POLYIMIDE, AND PREPARATION METHOD THEREFOR AND USE THEREOF

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 R₁ and R₂ 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.

CATHODE FOR OXYGEN TREATMENT APPARATUS AND REFRIGERATOR

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.

BATTERY AND ELECTRICAL APPARATUS

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.

BATTERY UNIT AND METHODS

Resumen de: MX2025003810A

The present disclosure relates to a battery unit (100) for an electric vehicle. The battery unit (100) comprises a battery tray (1) made of a composite material and defining an interior space configured to receive a battery (2) comprising one or more battery cells. The interior space is delimited by a bottom wall (3) and one or more lateral walls (4). Further, the lateral walls (4) comprise a side flange (5) extending outwardly from the lateral walls (4), and the side flange (5) comprises one or more embedded metal inserts (6). The metal inserts (6) are configured to receive one or more fasteners to secure the battery tray (1) to a load bearing structure of the electric vehicle. The present disclosure further relates to methods (500) for manufacturing a battery unit.

INSPECTION DURING THE PRODUCTION OF MODULES OR PRECURSORS OF MODULES

Resumen de: WO2024068707A1

An inspection device comprises a first layer conveyor, which has a receiver and a first drive in order to receive a respective anode or cathode layer by means of the receiver from a first transfer point and to bring same to a first depositing point. At the first depositing point, a stacking table receives the anode or cathode layer from the receiver to form a layer stack. At the first depositing point, the first layer conveyor deposits an anode or cathode layer from its receiver on the stacking table when the receiver is at the first depositing point. A third image recorder is directed to a region comprising an upper edge of a layer stack located on the stacking table, seen in a side view of the layer stack, which region contains a connection lug of an anode or cathode layer at the top of the layer stack, and the third image recorder acquires a third image before or after the anode or cathode layer is placed on the stacking table. Depending on signalling based on a processing of the third acquired image, a controller indicates the (un)usability of the layer stack.

BATTERY TRAY ASSEMBLY, BATTERY PACK AND VEHICLE

Resumen de: EP4597709A1

A battery tray assembly (10), a battery pack (1) and a vehicle. The battery tray assembly (10) comprises: a tray (11) and electrically conductive members (12), the tray (11) forming a mounting space for accommodating battery modules (20) and insulating the battery modules (20) from each other, and the tray (11) being provided with detection ports (111); and the electrically conductive members (12) are at least partly arranged inside the tray (11) and are electrically connected to preset potential points, and the electrically conductive members (12) are at least partly exposed at the detection ports (111).

BATTERY AND ELECTRIC DEVICE

Resumen de: EP4597708A1

A battery (1000) and an electrical device (2000) are disclosed. The battery (1000) includes: a plurality of structural components (10), where the plurality of structural components (10) are arranged along a first direction (F1), at least one structural component (10) is a battery row (20), the battery row (20) includes at least one battery cell (21), the battery cell (21) includes a first surface (211), and the first surface (211) is provided with an electrical connection portion (22) and the first surface (211) is oriented toward an adjacent structural component (10); and a support piece (40), where the support piece (40) is disposed between the battery row (20) and the adjacent structural component (10) and is configured to space the first surface (211) and the adjacent structural component (10) apart by a fixed clearance.

LITHIUM BATTERY AND ELECTRICAL DEVICE

Resumen de: EP4597676A1

A lithium battery and an electrical device. The lithium battery comprises a positive pole piece, a negative pole piece, and an electrolyte. The negative pole piece comprises a negative current collector and a negative active material layer arranged on the surface of the negative current collector. The negative active material layer comprises a negative active material. The single-sided surface density of the negative electrode active material layer is A mg/cm<2>, the thickness of the negative electrode active material layer is D µm, the specific surface area of the negative electrode active material is S m<2>/g, and the viscosity of the electrolyte at 25±2°C is δ mPa·s. The negative pole piece and the electrolyte satisfy the following relational expression: 1≤(δ×A<2>)/(D×S)≤15.

VEHICLE

Resumen de: EP4596281A1

A vehicle (100). The vehicle (100) comprises a vehicle body (30), a battery (10), and a sealing assembly (20). The sealing assembly (20) is arranged between the vehicle body (30) and the battery (10). The sealing assembly (20) comprises a sealing plate (201) and a sealing member (202). The sealing plate (201) is fixed and hermetically connected to the battery (10), and the surface of the sealing plate (201) distant from the battery (10) has a mounting plane (203). The sealing member (202) is arranged on the mounting plane (203), and the sealing member (202) is sandwiched between the vehicle body (30) and the sealing plate (201), wherein the vehicle body (30) and the battery (10) jointly define a passenger compartment (40), or the vehicle body (30) and the sealing assembly (20) jointly define a passenger compartment (40), so that unreliable sealing between the vehicle body (30) and the battery (10) is prevented, thereby reducing the water seepage problem of the vehicle (100) and improving the product quality of the vehicle (100).

THERMAL MANAGEMENT SYSTEM AND VEHICLE HAVING SAME

Resumen de: EP4596272A1

A thermal management system and a vehicle having same. The thermal management system comprises a compressor, a first heat exchanger and a heat exchange assembly; an air discharge port of the compressor is connected to the heat exchange assembly; a first port of the first heat exchanger is connected to an air inlet of the compressor; a second port of the first heat exchanger is connected to the heat exchange assembly. The heat exchange assembly comprises a first heat exchange plate and a second heat exchange plate which are arranged in parallel, and the first heat exchange plate and the second heat exchange plate are separately used for adjusting the temperature of a battery module.

INSPECTION PROCESS IN THE PRODUCTION OF MODULES OR PRECURSORS OF MODULES

Resumen de: US2025243032A1

An inspection device for a layer material has a layer conveyor and a drive to pick up an anode or cathode layer by a pickup from a transfer location and bring it to a delivery location. The layer turner delivers a single anode or cathode layer from its pickup to a stacking table at the delivery location. The drive aligns the pickup and the stacking table relative to each other depending on a signal based on processing of a first or second image feed. A first image sensor is aligned between the transfer location and the delivery location to perform a first image feed when the pickup of the layer turner passes the first image sensor. A second image sensor is aligned between the transfer location and the delivery location to perform a second image feed when the pickup of the layer turner passes the second image sensor.

NEGATIVE ELECTRODE FOR LI-ION BATTERY

Resumen de: WO2024068752A1

The present invention relates to a negative electrode, in particular suitable for use in a lithium-ion battery, having a negative electrode layer formed on at least one surface of a current collector, wherein said negative electrode layer comprises at least one Si-C composite particulate material comprising silicon-based particles and one or more carbonaceous material; particles of at least one uncompressible graphite; and particles of at least one compressible graphite, the total uncompressible graphite content ranging from 2% to 60% by mass of the total mass of the negative electrode layer.

THERMAL REGULATION DEVICE FOR A VEHICLE BATTERY PACK

Resumen de: CN119998985A

The invention relates to a thermal conditioning device (5) for a battery, comprising: a housing (3) having at least two side walls (3A) and a circuit (5A) for the circulation of a heat transfer fluid and capable of accommodating a battery comprising at least two battery cells (1A), the heat transfer fluid circulating around the cells (1A) being supplied and discharged by an input collector (5B) and an output collector (5C). According to the invention, a spacer (5F) is mounted between the cells (1A), at least one collector (5B, 5C) extends along the side wall (3A), a circuit (5A) of heat transfer fluid is at least partially defined by the spacer (5F), and at least two apertures (5F. 2a, 5F. 2b) are arranged on the spacer (5F), each aperture (5F. 2a, 5F. 2b) leading to an input collector (5B) and an output collector (5C), respectively.

LITHIUM-ION BATTERY AND ELECTROCHEMICAL DEVICE COMPRISING SAME

Resumen de: EP4597667A1

A lithium-ion battery includes an electrolytic solution and a negative electrode plate. The electrolytic solution includes vinylene carbonate and fluoroethylene carbonate. The negative electrode plate includes a negative active material. An OI value of the negative active material is a. Based on a weight of the electrolytic solution, a weight percent of the vinylene carbonate is b%, and a weight percent of the fluoroethylene carbonate is c%; and a, b, and c satisfy: 0.3 ≤ a/(b + c) ≤ 6; 0.02 ≤ b + c ≤ 10; and 0.1 < b/c < 3.

NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE SHEET COMPRISING SAME, ELECTROCHEMICAL DEVICE AND ELECTRIC DEVICE

Resumen de: EP4597630A1

This application provides a negative active material, a negative electrode plate containing same, an electrochemical device, and an electrical device. The negative active material includes a hard carbon material. The hard carbon material includes a plurality of micropores and an average delithiation potential vs Li/Li⁺ of the hard carbon material is 0.15 V to 0.40 V using metallic lithium as a counter electrode.

BATTERY SELF-HEATING CIRCUIT, AND VEHICLE

Resumen de: EP4597690A1

A battery self-heating circuit, comprising a first battery group, a second battery group, a first capacitor, a second capacitor, multiple phases of bridge arms, and multiple phase of windings, which correspond to the multiple phases of bridge arms on a one-to-one basis, wherein each phase of winding is connected to the midpoint of a corresponding bridge arm; a negative electrode of the first battery group is connected to a positive electrode of the second battery group, and the negative electrode of the first battery group and the positive electrode of the second battery group are connected to a neutral point of the multiple phases of windings; a positive electrode of the first battery group is connected to a first bus terminal of the multiple phases of bridge arms, and a negative electrode of the second battery group is connected to a second bus terminal of the multiple phases of bridge arms; and a first end of the second capacitor is connected to a second end of the first capacitor, the first end of the second capacitor and the second end of the first capacitor are connected to the neutral point of the multiple phases of windings, a second end of the second capacitor is connected to the negative electrode of the second battery group, and a first end of the first capacitor is connected to the positive electrode of the first battery group.

CELL BATTERY, BATTERY PACK, AND ELECTRICAL DEVICE

Nº publicación: EP4597693A1 06/08/2025

Solicitante:

XIAMEN HITHIUM ENERGY STORAGE TECH CO LTD [CN]
Xiamen Hithium Energy Storage Technology Co., Ltd

Resumen de: EP4597693A1

Provided are a cell battery (100), a battery pack, and an electricity-consumption device. The cell battery includes: a housing (10); a first end cover (100a) provided at an end of the housing (10), the first end cover (100a) including a first base cover (1a) and a first explosion-proof valve (20) mounted at the first base cover (1a); and a second end cover (100b) provided at the other end of the housing (10), the second end cover (100b) including a second base cover (1b) and a second explosion-proof valve (30) mounted at the second base cover (1b).