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A BATTERY PACK

Resumen de: CN120266320A

The invention relates to a battery pack (10). The battery pack (10) comprises a shell (20) and a plurality of battery units (12) arranged in the shell (20). A plurality of conduits (60) are disposed at the bottom of the housing (20) and extend out of the housing (20). The plurality of conduits (60) is configured to enable a dielectric coolant (40) to flow through the plurality of conduits (60). The battery pack (10) also includes a pump (70) mounted to the housing (20). The pump (70) is configured to circulate the dielectric coolant (40) between the housing (20) and the plurality of conduits (60). The plurality of conduits (60) is configured to dissipate heat from the dielectric coolant (40) into the ambient atmosphere.

PROCESS OF PREPARATION OF DRY ELECTRODE AND IMPLEMENTATIONS THEREOF

Resumen de: WO2024110976A1

The present disclosure provides a process for preparing an electrode, the process comprising: (a) mixing an active material, and a conductive additive, optionally with a first binder to obtain a first mixture; (b) blending a fibrillating binder with the first mixture, followed by high shear mixing to obtain a second mixture; and (c) quenching the second mixture and calendering to obtain the electrode.

NEGATIVE ELECTRODE SHEET, LITHIUM BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4625524A1

A negative electrode sheet, including a negative electrode current collector as well as a capacity providing layer, a conductive bonding layer, and a fast ion conductor layer which are sequentially stacked on at least one side surface of the negative electrode current collector, where the capacity providing layer comprises a first negative electrode active material, a first binder, and a first conductive agent, the fast ion conductor layer comprises a carbon active material, a lithium superionic conductor, a second binder, and a second conductive agent, and the specific capacity of the first negative electrode active material is greater than that of the carbon active material. A lithium battery, comprising the negative electrode sheet. An electric device, comprising the lithium battery having the negative electrode sheet.

BINDER, PREPARATION METHOD THEREFOR, AND BATTERY

Resumen de: EP4625671A1

A binder and a preparation method therefor, and a battery are provided. The binder includes a bonding material particle. The bonding material particle includes a core and a shell. The core includes a crystalline polymer. The shell wraps at least a part of an outer surface of the core, and the shell includes an amorphous polymer.

ENERGY PROCESSING APPARATUS AND VEHICLE

Resumen de: EP4625749A1

An energy processing apparatus and a vehicle. The apparatus comprises a first battery, a second battery, at least one phase of first bridge arm, at least one phase of first inductor, and a controller, wherein a positive electrode of the second battery is connected to a first end of each phase of first bridge arm, and a negative electrode of the second battery is respectively connected to a second end of each phase of first bridge arm and a negative electrode of the first battery; a first end of each phase of first inductor is connected to the midpoint of the corresponding first bridge arm, and a second end of each phase of first inductor is connected to a positive electrode of the first battery; and the controller is connected to each phase of first bridge arm, and is used for controlling the first bridge arm in a first preset state, such that the first battery and the second battery alternately charge and discharge to realize self-heating of the first battery and the second battery.

THERMAL MANAGEMENT COMPONENT, BATTERY, AND ELECTRICAL DEVICE

Resumen de: EP4625624A1

The present application discloses a thermal management component, a battery, and an electrical device. The thermal management component comprises a bottom wall and two side walls, the two side walls are oppositely arranged on two sides of the bottom wall in a first direction, and the bottom wall and the two side walls jointly define an accommodating cavity used for accommodating a battery cell; a first flow channel is formed in the bottom wall, second flow channels are respectively formed in the two side walls, and the first flow channel and the second flow channels are used for containing a heat exchange medium so as to adjust the temperature of the battery cell, wherein transition parts are arranged at bending positions of the bottom wall and the two side walls, a communication flow channel is formed in each transition part, and the first flow channel is communicated with the second flow channels through the communication flow channels. The technical solution provided by the present application can improve the reliability of batteries.

INFRARED HEATING PANEL, INFRARED BAKING DEVICE, AND INFRARED BAKING SYSTEM

Resumen de: EP4624058A1

An infrared baking system, comprising an infrared baking device (1000) comprising infrared heating panels (100). The infrared baking device (1000) comprises the infrared heating panels (100). Each infrared heating panel (100) comprises a base layer (10) and an infrared radiation layer (20). The infrared radiation layer (20) is arranged on the surface of the base layer (10). The infrared radiation layer (20) comprises a main region (24) and edge regions (25) connected to two opposite sides of the main region (24). The thickness of each edge region (25) is greater than that of the main region (24).

FLEXIBLE HEAT EXCHANGE DEVICE

Resumen de: EP4625615A1

The present application provides a flexible heat exchange device. The flexible heat exchange device comprises a support base, a contact film, and protruding structures; the contact film and the support base are provided with a plurality of the protruding structures; the support base is flexibly connected to the contact film by means of the protruding structures; each protruding structure comprises an internal connection structure forming an inclined angle with the surface of the support base; when contact deformation or internal pressure deformation occurs to the contact film, the support base is flexibly attached and in contact with the contact film by means of the deformation of the internal connection structures, such that the contact area between the flexible heat exchange device and a device needing heat exchange is increased, and the area can be further increased along with the increase of the pressure of an internal cooling fluid. The plurality of protruding structures are provided between the support base and the contact film, the connection between the contact film and the protruding structures is equivalent to an anchor of the contact film, such that the pressure resistance level of the contact film can be improved, and moreover, the contact film can provide enough flexible deformation space to make up a gap between the heat exchange device and a heat exchange surface of a battery cell, so as to absorb the mechanical manufacturing tolerances of the heat exchange dev

ENERGY STORAGE APPARATUS, ENERGY STORAGE SYSTEM, AND ELECTRIC DEVICE

Resumen de: EP4625571A1

The present invention relates to an energy storage apparatus, an energy storage system, and an electric device. The energy storage apparatus provided in the present application comprises an electrolytic solution, a positive electrode sheet, a separator, and a negative electrode sheet; the kinetic factor α of the electrolytic solution satisfies the formula: α = k1 × ε × InD + k2 × σ × T / 100C, and the kinetic factor α of the electrolytic solution satisfies: -10 ≤ α ≤ 30, wherein ε is the viscosity of the electrolytic solution, D is the diffusion coefficient of electrolyte cations in the electrolytic solution, σ is the electrical conductivity of the electrolytic solution, T is the thermodynamic temperature of the electrolytic solution, C is the molar concentration of an electrolyte, k1 is the viscosity correction coefficient of the electrolytic solution, and k2 is the electrical conductivity correction coefficient of the electrolytic solution; the positive electrode sheet is at least partially immersed in the electrolytic solution; the separator is arranged on one side of the positive electrode sheet and is at least partially immersed in the electrolytic solution; the negative electrode sheet is arranged on the side of the separator facing away from the positive electrode sheet, and is at least partially immersed in the electrolytic solution. The energy storage apparatus has good rate performance, cycle performance and low-temperature performance.

SOFT-PACK CELL, TAB BENDING METHOD FOR SOFT-PACK CELL, AND BATTERY PACK

Resumen de: EP4625679A1

Provided are a soft-pack cell, a tab bending method for a soft-pack cell, and a battery pack. The soft-pack cell comprises a cell body and tabs. The tabs each comprise a body connecting part, an extending part, and a high-low voltage connecting part. The body connecting part is connected to the cell body and extends in the length direction of the cell body; the extending part extends in the height direction of the cell body; and the high-low voltage connecting part protrudes out of the top surface of the cell body in the height direction thereof. Each tab can be bent at the connecting position of the body connecting part and the extending part and the connecting position of the extending part and the high-low voltage connecting part, and thus the high-low voltage connecting part of each tab of the soft-pack cell can be bent to a position above the soft-pack cell in the height direction thereof, thereby facilitating subsequent tab welding and sampling arrangement, and improving the space utilization and the energy density of the battery pack because there is no need to reserve excessive space in the width direction of the battery pack.

NON-AQUEOUS ELECTROLYTE SOLUTION AND SECONDARY BATTERY

Resumen de: EP4625583A1

The present application relates to the technical field of batteries. Disclosed are a non-aqueous electrolyte solution and a secondary battery. The non-aqueous electrolyte solution includes a bicyclic sulfate compound and a bicyclic sulfite compound; and a content of the bicyclic sulfite compound in the non-aqueous electrolyte solution is 1 ppm to 500 ppm, based on a total mass of the non-aqueous electrolyte solution. The non-aqueous electrolyte solution can significantly improve high-temperature storage performance, low-temperature discharge performance, capacity exertion and capacity consistency of a secondary battery.

ENERGY STORAGE CABINET AND ENERGY STORAGE SYSTEM

Resumen de: EP4625598A1

An energy storage system, which has an energy storage cabinet. The energy storage cabinet comprises a housing, an energy storage module, and a battery management device. An accommodating space is defined in the housing, and the energy storage module is arranged in the accommodating space. The battery management device is arranged in the accommodating space, the battery management device is used for managing the energy storage module, and the battery management device comprises a supporting frame and a plurality of electrical elements. The supporting frame is arranged with an open side, and the plurality of electrical elements are mounted on the open side.

ELECTRODE ASSEMBLY FOR SECONDARY BATTERY

Resumen de: EP4625517A2

An electrode assembly for a secondary battery having improved safety is provided. front end and a rear end of a positive electrode plate may be insulated from each other to prevent a short circuit from occurring due to deformation of a front end of the negative electrode plate. A rear end of the negative electrode plate may be insulated to prevent a short circuit between the negative electrode plate and the positive electrode plate. An additional insulating tape may be provided on the rear end of the negative electrode plate to prevent defects due to Z-shaped deformation of the negative electrode plate from occurring.

ELECTRODE ASSEMBLY AND RECHARGEABLE BATTERY INCLUDING THE SAME

Resumen de: EP4625516A2

Examples of the present disclosure a wound type electrode assembly that includes a conductive layer formed on an electrode uncoated portion of an outermost side of the electrode assembly.

TERMINAL ASSEMBLY OF BATTERY CELL, BATTERY CELL, BATTERY ASSEMBLY, AND ELECTRIC DEVICE

Resumen de: EP4625639A1

The present disclosure discloses a terminal assembly of a battery cell, a battery cell, a battery assembly, and an electrical device. The terminal assembly of the battery cell includes a terminal. An electrolyte solution filling channel (211) is provided in the terminal. The electrolyte solution filling channel has an electrolyte solution outlet. The terminal includes a protruding portion (212). The protruding portion is arranged around the electrolyte solution outlet. A blocking channel in communication with the electrolyte solution filling channel is formed in the protruding portion. Thus an electrolyte solution in the battery cell can be prevented from reversely flowing into the electrolyte solution filling channel through the electrolyte solution outlet to some extent. This ensures electrolyte solution filling performance of the terminal assembly, and therefore improves operation performance of the battery cell.

FLAME RELEASE PREVENTION VENTING DEVICE AND BATTERY PACK INCLUDING SAME

Resumen de: EP4625665A1

A venting device according to the present disclosure includes an inlet, an outlet, and a fluid flow path from the inlet to the outlet, and the fluid flow path is configured to be bent to block movement of flame.

ELECTROLYTE, BATTERY CONTAINING SAME, AND ELECTRIC DEVICE

Resumen de: EP4625586A1

Embodiments of this application provide an electrolyte solution, a battery containing the same, and a power consuming apparatus. The electrolyte solution includes: a first additive, where the first additive includes at least one of a compound containing at least groups represented by formula (I) and formula (II), and a compound containing at least groups represented by formula (I) and formula (III). Cycle performance and storage life of the battery containing the electrolyte solution are both improved.

BATTERY PACK

Resumen de: EP4625663A1

A battery pack includes a battery box, battery cells, and a mica protection plate. The battery box has accommodation space inside, and an air exhaust passage is provided at a bottom of the battery box. The battery cells are disposed in the accommodation space, there are a plurality of battery cells, and the plurality of battery cells are arranged in sequence in a length direction of the air exhaust passage. An explosion-proof valve is disposed at a bottom of the battery cell, and the explosion-proof valve corresponds to the air exhaust passage. The mica protection plate is disposed between the explosion-proof valve and the air exhaust passage.

SECONDARY BATTERY

Resumen de: EP4625640A1

A secondary battery according to an embodiment of the present invention may include: an electrode assembly; a frame that surrounds a circumference of the electrode assembly so as to accommodate the electrode assembly, and includes an insulation material; and a pair of exterior sheets sealed to the frame at both sides of the frame, respectively, so as to cover the electrode assembly. A groove facing the outside of the frame may be defined in the frame so that a sealing surface area between the exterior sheet and the frame is increased.

PRESSURE RELIEF LIQUID COOLING ASSEMBLY

Resumen de: EP4625617A1

A pressure relief liquid cooling assembly (100) includes a first liquid cooling member (110) and a second liquid cooling member (120) arranged opposite to each other. The first liquid cooling member (110) is provided with a first liquid cooling flow channel (111). The second liquid cooling member (120) is provided with a second liquid cooling flow channel (121). A gap is provided between the second liquid cooling member (120) and the first liquid cooling member (110) to form a first pressure relief channel (130). The first liquid cooling member (110) is provided with at least one first pressure relief hole (112) each penetrating through the first liquid cooling member (110) along a first direction (X) and communicated with the first pressure relief channel (130). The first pressure relief hole (112) is communicated with an explosion-proof valve of at least part of battery cells in a battery module (300).

BATTERY PACK INCLUDING BATTERY MODULE AND VEHICLE INCLUDING SAME

Resumen de: EP4625655A1

Disclosed is a battery pack including battery modules and a vehicle including the battery pack. The battery pack includes a plurality of battery modules, each of which includes a battery cell stack in which a plurality of battery cells are stacked, and a module case configured to accommodate the battery cell stack and having at least one movement hole through which flame and gas move; a pack case configured to accommodate the plurality of battery modules so that an exhaust hole is formed between the battery modules and the pack case; and a flame/gas propagation preventing member disposed between the battery modules and the pack case and configured to prevent flame or gas generated from the battery cell from propagating.

BATTERY PACK AND WORKING VEHICLE

Resumen de: EP4625600A1

Provided is a battery pack that is used in a working vehicle where an operator can easily get access to an electric component housing chamber in which an electric component is housed thus enhancing the maintenance property of the electric component. A battery pack includes a battery module, electric components, and a housing that houses the battery module and the electric components. The housing includes an electric component housing chamber that houses the electric components. The electric component housing chamber includes: an opening portion that enables an operator to get access to the electric component housing chamber from the outside; and a maintenance cover that is configured to be capable of closing the opening portion. The maintenance cover is mounted on the housing by a hinge.

APPARATUS FOR DRYING ELECTRODE SHEET AND METHOD FOR DRYING ELECTRODE SHEET USING SAME

Resumen de: EP4625505A1

An electrode sheet drying device may include a drying oven, a plurality of spray nozzles, a flow path configured to guide the water to the plurality of spray nozzles, and a pump capable of moving the water through the flow path. The plurality of spray nozzles may be disposed within the drying oven, and disposed along a width direction of an electrode sheet, and spray water onto the electrode sheet. The flow path may include one or more positive temperature coefficient (PTC) heaters, which may heat the water to be sprayed onto the electrode sheet, such that water above a certain temperature may be supplied to the electrode sheet. The water sprayed onto the electrode sheet may prevent cracking and wrinkling from occurring in the non-coated part, thereby improving stability of the electrode.

DETECTION APPARATUS AND DETECTION METHOD FOR BATTERY CELL DETECTION

Resumen de: EP4624909A1

A detection device and a detection method for detecting a battery cell are provided. The detection device includes a supporting mechanism, a rotary mechanism, a conveying mechanism, and a detection mechanism. The rotary mechanism is provided on the supporting mechanism, and the rotary mechanism includes a rotary bracket provided on the supporting mechanism and a rotary disk rotatable circumferentially relative to the rotary bracket; the conveying mechanism passes through the rotary disk, and the conveying mechanism is configured to convey a battery cell; the detection mechanism is provided on the rotary disk, and the detection mechanism includes a radiation source and a detector, the radiation source and the detector are configured to detect the battery cell on the conveying mechanism, and the radiation source and the detector are rotatable circumferentially on the rotary disk.

POSITIVE ELECTRODE, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING POSITIVE ELECTRODE

Nº publicación: EP4625529A1 01/10/2025

Solicitante:

LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd

Resumen de: EP4625529A1

Disclosed is a positive electrode and a lithium secondary battery including the positive electrode, the positive electrode including a positive electrode active material and a carbonate-containing compound containing a fluorine-containing functional group in an active material layer. In a C 1s spectrum by X-ray photoelectron spectroscopy (XPS) analysis, intensities of peaks satisfy a certain ratio, and, since the positive electrode has excellent resistance characteristics and suppresses degradation, life characteristics may be improved. The lithium secondary battery has improved resistance characteristics, and since degradation of the positive electrode and negative electrode may be suppressed to prevent a sudden drop in capacity, life characteristics may also be improved.