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COVER PLATE ASSEMBLY AND BATTERY

Resumen de: EP4576293A1

A cover plate assembly and a battery are provided. The cover plate assembly includes a top cover and a connection assembly including a connection sheet made of aluminum. The top cover is provided on the connection sheet. The top cover includes a core material and an outer layer located outside the core material. The core material is welded to the connection sheet by the outer layer. A material of the core material includes copper and a material of the outer layer includes nickel.

BATTERY MODULE WITH REINFORCED SAFETY

Resumen de: EP4576382A1

A battery module according to the present disclosure may include: a cell assembly including a plurality of battery cells stacked on each other; a module case configured to store the cell assembly in an inner space and having venting holes formed therein; and a cover member including a plurality of fire-resistant layers, which have outlet holes respectively formed therein and are spaced apart from each other, and coupled to an outer surface of the module case such that the venting holes and the outlet holes communicate with each other, wherein the outlet holes of one fire-resistant layer and the outlet holes of the other fire-resistant layer facing the same may be configured so as not to overlap each other.

NEGATIVE ELECTRODE SHEET AND PREPARATION METHOD THEREFOR, BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Resumen de: EP4576245A1

This application provides a negative electrode plate and a preparation method thereof, a battery cell, a battery, and an electric apparatus. The negative electrode plate includes a current collector and a film layer disposed on the current collector. The film layer includes a first portion and a second portion disposed along a thickness direction of the film layer, where the first portion is disposed on the current collector, and the second portion is disposed on the first portion. The first portion includes a first carbon-based active material, the second portion includes a second carbon-based active material, the second carbon-based active material includes secondary particles, and a powder compacted density of the first carbon-based active material is greater than a powder compacted density of the second carbon-based active material. When the negative electrode plate is used in a battery, the battery can have a high energy density and good cycling performance.

BATTERY MODULE, AND BATTERY PACK AND VEHICLE COMPRISING SAME

Resumen de: EP4576410A1

Disclosed is a battery module, which includes a cell stack including a plurality of battery cells provided with electrode leads; a bus bar frame assembly including a bus bar electrically connected to the electrode lead and a bus bar frame on which the bus bar is seated, and configured to cover one side of the cell stack; and a fire resistant cover assembly including a fire resistant cover configured to cover the bus bar frame assembly and a metal member coupled to at least one of the electrode lead and the bus bar.

MANIFOLD

Resumen de: EP4575372A1

A manifold includes: a high-temperature channel through which a high-temperature fluid flows; a low-temperature channel through which a low-temperature fluid having a lower temperature than the high-temperature fluid flows; and a manifold body having the high-temperature channel and the low-temperature channel. The high-temperature channel and the low-temperature channel are disposed close to each other. The manifold body has a thermal insulation space between the high-temperature channel and the low-temperature channel in a location where the high-temperature channel and the low-temperature channel are disposed close to each other.

BATTERY CELL, AND BATTERY PACK AND VEHICLE COMPRISING SAME

Resumen de: EP4576407A1

Disclosed is a battery cell, which includes an electrode assembly; a housing configured to accommodate the electrode assembly through an open portion provided at one side and having a closed portion formed at a side opposite to the open portion; a current collector disposed between the electrode assembly and the closed portion and electrically coupled to the electrode assembly; a terminal electrically coupled to the electrode assembly through the closed portion; and a CID interposed between the terminal and the current collector and coupled to the current collector, the CID being coupled to the current collector with a coupling force greater than the coupling force with the terminal.

COOLING PLATE, METHOD FOR PRODUCING COOLING PLATE, AND BATTERY PACK

Resumen de: EP4576332A1

A cooling plate (100), a method for producing a cooling plate, and a battery pack. The cooling plate (100) is configured to be fitted on a surface of a battery cell perpendicular to a thickness direction of the battery cell. The cooling plate (100) includes a flow tube (10) and a thermally conductive plate (20). The thermally conductive plate (20) is directly molded on a surface of the flow tube (10) by infusion, enabling the thermally conductive plate (20) to wrap the flow tube (10). The flow tube (10) is defined with a flow cavity (101) configured for a heat exchange medium to pass through. The thermally conductive plate (20) is configured to be fitted on the battery cell, enabling the heat exchange medium to receive heat transferred from the battery cell via the thermally conductive plate (20) and the flow tube (10).

FIRE EXTINGUISHING SYSTEM FOR ELECTRIC VEHICLE AND FIRE EXTINGUISHING METHOD FOR ELECTRIC VEHICLE

Resumen de: EP4574219A1

A fire extinguishing system for an electric vehicle includes a charger configured to supply electricity to the electric vehicle and charge a battery mounted on the electric vehicle; a charger control unit configured to receive status information of the electric vehicle or the charger from the electric vehicle or the charger and determine whether the electric vehicle is on fire; and a fire extinguishing device configured to receive a fire extinguishing signal from the charger control unit and extinguish a fire occurring in the electric vehicle.

FAN ROTATION SPEED CONTROL METHOD FOR BATTERY ENERGY STATION AND BATTERY ENERGY STATION THEREOF

Resumen de: EP4576324A1

A fan rotation speed control method for a battery energy station (100) is applicable to the battery energy station (100) for storing and charging plural batteries (112). A first and a second fan rotation speed evaluation rules (142, 144), which are different, are provided, wherein the first and the second fan rotation speed evaluation rules (142, 144) each define a corresponding fan rotation speed at at least one temperature. A temperature is detected using a temperature sensor (120). The battery energy station (100) controls a rotation speed of at least one fan (130) according to the temperature and the first fan rotation speed evaluation rule (142). The battery energy station (100) determines whether a preset condition is met. When the preset condition is met, the battery energy station (100) controls the rotation speed of the fan (130) according to the temperature and the second fan rotation speed evaluation rule (144).

BATTERY ARRAY

Resumen de: EP4576340A1

Provided is a battery array. A battery array having a structure in which a plurality of battery cell units are stacked in a vertical direction includes a first heat sink having a plate shape, a first battery cell unit seated on a top surface of the first heat sink, a first column coupled to the top surface of the first heat sink and extending in the vertical direction, and a second heat sink having a plate shape, located on the first column, and including a bottom surface coupled to the first column.

BUSBAR AND BATTERY MODULE INCLUDING SAME

Resumen de: EP4576358A1

A busbar according to an embodiment of the present disclosure includes: a first conductor layer made of a first metal; and a second conductor layer made of a second metal different from the first metal and stacked and fixed to one surface of the first conductor layer, wherein, on one surface of the first conductor layer to which the second conductor layer is fixed, the first conductor layer has an exposed area where the first metal is exposed.

ALL-SOLID SECONDARY BATTERY

Resumen de: EP4576242A2

An all-solid secondary battery includes a cathode layer, an anode layer, and a solid electrolyte layer between the cathode layer and the anode layer, wherein the cathode layer includes a cathode current collector and a cathode active material layer on a side of the cathode current collector, and the anode layer includes an anode current collector and a first anode active material layer on a side of the anode current collector, wherein the first anode active material layer includes a first anode active material and a second anode active material, each of which is capable of forming an alloy or a compound with lithium, and a fibrous carbon-based material, and a ratio (B/A) of an initial charge capacity (B) of the first anode active material layer to an initial charge capacity (A) of the cathode active material layer is in a range of about 0.01 to about 0.75.

SECONDARY BATTERY

Resumen de: EP4576345A1

A secondary battery includes a case accommodating an electrode assembly therein, a cap plate sealing an opening of the case, and a vent provided in one or more of the case and the cap plate, wherein the vent includes: a notch induced to rupture according to internal pressure of the case and one or more bending guides inducing roll up deformation of each ruptured region. By rolling up the vent, the area of an outlet may be appropriately secured and maintained after the vent ruptures.

WORKPIECE SUPPORT

Resumen de: WO2024240672A1

The invention relates to a workpiece support in which a plurality of workpieces (1) can be arranged in multiple arrangements, said workpiece support comprising: - at least two longitudinal supports (19), - spring-loaded separating walls (13) which run between the two longitudinal supports (19) and which can be moved along the longitudinal supports (19), wherein at least one respective receiving region (7) for one or more workpieces (1) is defined between two adjacent separating walls (13), said receiving region being delimited laterally by adjacent longitudinal supports (19), and - a moving mechanism (15), by means of which the separating walls (13) can be moved against the spring force such that the workpieces (1) are held in the receiving regions (7) in a force-fitting manner by the adjacent separating walls (13).

NEGATIVE ELECTRODE MATERIAL AND ELECTROCHEMICAL DEVICE

Resumen de: EP4576263A1

This application provides a negative electrode material. The negative electrode material includes a silicon-carbon material. The silicon-carbon material contains element silicon, element carbon, element oxygen, and a metal element. Based on a mass of the silicon-carbon material, a mass percentage of element silicon is a, where 10%≤a≤90%; and a mass percentage of the metal element is x, where 0.01%

BATTERY CELL, BATTERY AND ELECTRICAL DEVICE

Resumen de: EP4576343A1

Embodiments of the present application provide a battery cell, a battery and an electrical apparatus. The battery cell includes a case, an electrode assembly, an end cover, a fixing member, an insulating plate, and a barrier member. The case has an opening. The electrode assembly is accommodated in the case. The end cover is configured to cover the opening and is connected to the case. The fixing member is arranged on one side of the end cover facing the electrode assembly and is connected to the end cover. The insulating plate is at least partially arranged between the electrode assembly and the case. The insulating plate is connected to the fixing member. The barrier member is connected to at least one of the end cover and the barrier member. The barrier member is configured to isolate at least a portion of the insulating plate from the connection position between the end cover and the case. By arranging the barrier member to isolate the insulating plate from the connection position, the position where the case is connected to the end cover can be in a relatively independent environment, so that interference of the insulating plate to the connection position can be reduced, and connection quality between the case and the end cover can be improved, thereby improving quality of the battery.

SINGLE-CELL BATTERY, BATTERY PACK, AND VEHICLE

Resumen de: EP4576401A1

A single-cell battery, a battery pack, and a vehicle. The single-cell battery comprises a housing, an electrode plate, a tab, a current collector, and a terminal pole. An accommodation space is defined in the housing. The electrode plate is located in the accommodation space, and at least has a first surface and a second surface. The tab is disposed at the electrode plate, and comprises a first section and a second section in connection with each other. The first section extends out of the electrode plate from the first surface, the current collector is disposed in the first section, and the second section extends out of the electrode plate from the second surface. The terminal pole is disposed at the current collector and extends out of the housing.

ENERGY STORAGE SYSTEM

Resumen de: EP4576365A1

An energy storage system (1000), comprising a battery assembly (201), a bearing frame (100), a power distribution device (400), and a junction device (300). An outer contour of the bearing frame (100) is configured in the shape of a container and defines an accommodation space used to accommodate and fix the battery assembly (201), and a mounting portion (1206) is formed on the bearing frame (100). The power distribution device (400) is adapted to connect to an external load so as to provide electrical energy to the external load. The junction device (300) is adapted to electrically connect the battery assembly (201) and the power distribution device (400). At least one of the power distribution device (400) and the junction device (300) is mounted on the mounting portion (1206) and is at least partially located in the outer contour, such that the energy storage system is easy to transport and has high energy density.

BATTERY PACK AND VEHICLE

Resumen de: EP4576328A1

A vehicle having a battery pack. The battery pack comprises a single-cell battery and a heat transfer element. The single-cell battery comprises a housing, a cell, and multiple terminal poles. An accommodation space is defined in the housing, and the cell is disposed in the accommodation space. The housing at least has a first surface and a second surface. The terminal poles are disposed at the cell and extend out of the housing from the first surface, and at least one of the terminal poles is sheet-shaped. The heat transfer element can transfer heat of the single-cell battery from the first surface to the second surface.

BATTERY SELF-HEATING DEVICE AND VEHICLE WITH SAME

Resumen de: EP4576334A1

A vehicle, which is provided with a battery self-heating device. The battery self-heating device comprises a power storage device, an inductor, a control unit and a capacitor. The power storage device comprises a first power storage device and a second power storage device, which are arranged in series. One end of the inductor is connected between the first power storage device and the second power storage device. The control unit comprises at least one phase of bridge arm. The other end of the inductor is connected to the midpoint of the at least one phase of bridge arm. Two ends of the at least one phase of bridge arm are respectively connected to a positive electrode and a negative electrode of the power storage device. Two ends of the capacitor are respectively connected to the positive electrode and the negative electrode of the power storage device. The capacitor comprises a first X capacitor and a second X capacitor, which are connected in series. One end of the inductor is connected between the first X capacitor and the second X capacitor.

BATTERY CONTROL UNIT AND HIGH VOLTAGE POWER SUPPLY SYSTEM

Resumen de: EP4576314A1

The present disclosure relates to a battery control unit and a high voltage power supply system comprising the battery control unit. The battery control unit (100) comprises a switch device (102), and an assembled circuit (130), which is mounted on a circuit board (128). The assembled circuit (130) includes detection circuitry (186), which is configured to detect at least one operational parameter of the switch device (102), processing circuitry (184), which is configured to control the operation of the switch device (102) in accordance with the at least one operational parameter detected by the detection circuitry (186), and a plurality of detection contacts (166, 168, 170, 172, 174, 176, 178, 180, 182) for detecting the at least one operational parameter of the switch device (102). The further battery control unit (100) comprises a bus bar arrangement, which comprises an input bus bar (104), which is conductively coupled to an input terminal of the switch device (102), and an output bus bar (116), which is conductively coupled to an output terminal of the switch device (102), wherein the circuit board (128) is disposed with respect to the bus bar arrangement such that the plurality of detection contacts (166, 168, 170, 172, 174, 176, 178, 180, 182) abut against corresponding contact surfaces being provided on the input bus bar (104) and on the output bus bar (116).

ANODE FOR AN ELECTROCHEMICAL ENERGY STORAGE DEVICE

Resumen de: EP4576244A1

The present invention relates to an anode (110) for an electrochemical energy storage device (100), at least comprising- a silicon-carbon composite material (10) in the amount of ≥ 45 wt.-% to ≤ 96 wt.-%, relating to the anode (110),- an anisometric flake graphite in the amount of ≥ 2 wt.-% to ≤ 45 wt.-%, relating to the anode (110);- carbon nanotubes in the amount of > 0 wt.-% to < 1 wt.-%, relating to the anode (110); and- a binder, in particular a polymer binder, in the amount of 0.5 wt.-% to 4 wt.-%, relating to the anode (110).

LITHIUM METAL ANODE COMPRISING A PROTECTIVE LAYER

Resumen de: EP4576254A1

The present invention relates to a lithium metal anode (1, 10, 11) for a battery, comprising an anode active substrate (2) comprising an anode current collector (7) and a layer (8) substantially consisting of lithium metal provided on a surface (4) of the anode current collector (7), and a first lithium metal anode protective layer (3) provided on the layer (8) substantially consisting of lithium metal, characterized in that the first lithium metal anode protective layer (3) comprises lithium iodide (Lil) and lithium fluoride (LiF). The present invention further relates to methods of producing such lithium metal anodes.

A HEAT-TRANSFER SYSTEM FOR A BATTERY

Resumen de: EP4576320A1

The disclosure relates to a heat-transfer system (10) for a battery (2) having at least one battery unit (11), the heat-transfer system (10) comprising a first heat-conducting element (12) for thermal connection to the at least one battery unit (11), the heat-transfer system (10) further comprising a second heat-conducting element (13) for thermal connection to a battery external environment, and the heat-transfer system (10) comprising an actuator (18), the actuator (18) being configured to alter the position the first heat-conducting element (12) between a first position for connecting the first heat-conducting element (12) to at least one of the second heat-conducting element (13) and the at least one battery unit (11) and a second position for disconnecting the first heat-conducting element (12) from at least one of the second heat-conducting element (13) and the at least one battery unit (11), and the first heat-conducting element (12) being configured to receive heat from the at least one battery unit (11) and transfer it to the second heat-conducting element (13) in the first position.

INTERCONNECTION OF SETS OF ENERGY STORAGE MODULES

Nº publicación: EP4576356A1 25/06/2025

Solicitante:

VOLVO TRUCK CORP [SE]
VOLVO TRUCK CORPORATION

Resumen de: EP4576356A1

The present disclosure relates to an energy storage arrangement. The energy storage arrangement comprises a sleeve arranged in a first and a second through hole, the sleeve being arranged through a first end surface of a first set of energy storage modules and through a first end surface of a second set of energy storage modules and is connected to a first and a second rod.