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1367
resultados
Última actualización
31/10/2026 [07:40:00]
Resultados 450 a 475 de 1367
Resumen de: EP4832168A1
0001 The present application relates to a battery and an electrical apparatus. The battery comprises a case body, a battery cell and a thermal management component, the battery cell being arranged in the case body, and the thermal management component being arranged in the case body and used for accommodating a heat exchange medium so as to adjust the temperature of the battery cell. The thermal management component comprises: a heat exchange tube, having a heat exchange flow channel, end portions of the heat exchange tube being ports of the heat exchange flow channel; and current collectors, fitted to the end portions of the heat exchange tube and communicated with the ports, wherein the heat exchange medium can flow into the heat exchange flow channel from the current collectors or flow into the current collectors from the heat exchange flow channel, and at least one of the current collectors and the heat exchange tube is a plastic structure. In the present application, the current collectors are fitted to the end portions of the heat exchange tube, and connection between the current collectors and the heat exchange tube is achieved by means of connection members, such that the heat exchange tube and the current collectors can be well attached via the surfaces of the end portions, and the connection between the heat exchange tube and the current collectors is achieved by means of the connection members, thus improving the connection stability between the heat exchange tu
Resumen de: EP4832127A1
A battery winding apparatus (1), a battery production line, and a control method therefor, which belong to the technical field of battery production. The battery winding apparatus includes: a support member (11); an alignment roller set (13), movably installed on the support member and used for aligning a plurality of composite electrode sheets (2); a winding needle (12), rotatably installed on the support member (11) and used for winding the plurality of composite electrode sheets (2); a feeding roller set (14), movably installed on the support member (11) between a standby station and a clamping station in a first direction, and configured to, when located at the clamping station, clamp a blank separator of one composite electrode sheet (2) between the winding needle (12) and the alignment roller set (13) and move in a second direction to adjust a distance between two composite electrode sheets (2); and a cutter assembly (15), movably installed on the support member (11) and used for cutting off the composite electrode sheets (2).
Resumen de: EP4832185A1
0001 A power supply device includes: a plurality of secondary battery cells each having cell end faces on which electrodes are provided; one or more battery blocks that house the plurality of secondary battery cells; and an exterior case that houses the one or more battery blocks. In each battery block of the one or more battery blocks, a cooling air path through which cooling air flows is defined between an inner surface of the battery block and a surface of a cell intermediate region of each of the plurality of secondary battery cells housed in the battery block, the cell intermediate region being located between two end regions contiguous with the respective cell end faces. The exterior case includes an external opening portion that communicates with the cooling air path. The power supply device further includes one or more electrode waterproof portions each of which is interposed between the battery block and a corresponding cell end face of a secondary battery cell among the plurality of secondary battery cells housed in the battery block, to prevent water from the cooling air path from reaching a corresponding electrode of the secondary battery cell.
Resumen de: EP4832184A1
0001 A power supply device includes a plurality of secondary battery cells that each have a cell end face, one or more battery blocks that house the plurality of secondary battery cells, a battery cooler that is thermally coupled to the battery block, and an exterior case that houses the battery block and the battery cooler. The battery cooler defines a cooling air path through which cooling air flows, and causes the cooling air path to communicate with an outside through the exterior case, and the power supply device further includes a battery waterproof portion that waterproofs a gap between the battery block and the exterior case. As a result, it is possible to waterproof the battery block while securing the cooling air path from the outside of the exterior case by using the battery cooler, and it is possible to simplify the waterproof structure while air-cooling the secondary battery cell.
Resumen de: EP4832176A1
In a power supply device, core packs each accommodating battery cells therein are removably accommodated in an outer case at an insertion position. In each core pack, a cooling end surface of each battery cell is thermally coupled to a first surface of a core pack case, and an electrode end surface is disposed on a second surface of the core pack case. First and second cooling ducts for cooling the core pack are provided in the outer case. The battery cells are cooled by the first cooling duct via the first surface of the core pack case. A latch mechanism is configured to latch the core pack at the insertion position on the outer case. A part of the latch mechanism is a turbulator for cooling air in the second cooling duct. A cooling mechanism is configured to blow the cooling air to the first and second cooling ducts to cool the battery cells.
Resumen de: EP4832144A1
0001 Provided is a lithium secondary battery including a cathode including lithium sulfide (Li<2>S), an anode, an electrolyte layer disposed between the cathode and the anode, and a metal-organic framework.
Resumen de: EP4832179A1
The present invention relates to a pouch case, and more particularly, to a pouch case in which, when the pouch case and a lead tab film are sealed, a polymer material pushed out from a sealing portion at a tab portion is uniformly formed also in a non-sealed portion to prevent a thickness of a sealant layer from becoming thin, thereby preventing insulation failure and improving long-term reliability such as chemical resistance, and to a secondary battery comprising the same.
Resumen de: WO2025133478A1
The invention relates to a novel method for preparing an article comprising a silicone foam layer, and to an article comprising a silicone foam layer that can be obtained by the method. According to this method, a silicone composition capable of forming a foam through the release of a gas is deposited between a first textile support T1 and a second textile support T2 on the silicone composition. The silicone foam has a density of 0.2 g/cm3 or less, and the first textile support T1 and the second textile support T2 are gas-permeable.
Resumen de: EP4832202A1
A battery pack includes an assembled battery including a plurality of battery cells, and a resin-made exterior case having a rectangular parallelepiped shape that houses the assembled battery, wherein the exterior case includes pin insertion holes at four corner portions of a main surface, a side surface, and an end surface, and resin blocks in which the pin insertion holes are formed on an inner side are integrally molded with the exterior case. The plurality of pin insertion holes include a first pin insertion hole, a second pin insertion hole, and a third pin insertion hole, and in each pin insertion hole an insert collar is fixed to an opening portion. In a composite corner portion, a third resin block is molded at a corner portion of the end surface, and a first resin block and a second resin block are integrally connected to the third resin block, and at a boundary portion among the main surface, the side surface, and the end surface, a stepped surface is provided along an outer peripheral surface of the third resin block to form a stepped recess in the composite corner portion.
Resumen de: WO2025131310A1
Aspects and embodiments of the present invention provide methods for closed-loop control of apparatus and systems for electrode manufacturing. Particularly, a method of controlling a powder feeding apparatus and a method of controlling an electrode manufacturing system are provided. A closed-loop control method of the powder feeding apparatus which is preferably based on in-line measurement of quality parameters, and a closed-loop overall control method of the electrode manufacturing system, which is preferably based on in-line measurement of quality parameters, allows for improvements in material and energy efficiency, improved accuracy and reliability in achieving quality, performance and safety targets of an electrochemical energy storage device.
Resumen de: EP4832149A1
The present invention relates to a battery treatment method. The battery treatment method of the present invention includes preparing a waste battery, measuring an average charging and discharging time of the waste battery, measuring an average charging and discharging time of a module-unit waste battery among the waste battery and comparing the same with the average charging and discharging time, and determining whether the module is a normal module according to whether the average charging and discharging time of the pack-unit waste battery and the charging and discharging time of the module-unit waste battery satisfy Equation 1 according to the present specification.
Resumen de: EP4832200A1
The present application relates to a control box, an energy storage apparatus and an electrical system. The control box comprises at least two control modules and wiring assemblies, wherein each of the control modules is used for controlling the battery state of a battery cluster, the control module comprises a switch assembly and a connecting end that is electrically connected to the switch assembly, and the switch assembly is configured to control the connection/disconnection of the connecting end; and the wiring assemblies are used for connecting the control modules to the battery cluster, the wiring assemblies are arranged corresponding to the control modules, each of the wiring assemblies comprises terminals, which are electrically connected to the connecting end, respectively. According to the control box, the energy storage apparatus and an electrical device provided in the embodiments of the present application, the control box can control a plurality of battery clusters at the same time, such that the volume of an applied energy storage apparatus is reduced, thereby improving the energy density of the energy storage apparatus.
Resumen de: EP4832096A1
The present application provides positive electrode particles and a preparation method thereof, a positive electrode plate, a sodium battery, and an energy storage apparatus. The positive electrode particles provided in an embodiment of the present disclosure include sodium iron phosphate pyrophosphate composite particles. Each sodium iron phosphate pyrophosphate composite particle includes a sodium iron phosphate pyrophosphate particle and a carbon coating layer coated on a surface of the sodium iron phosphate pyrophosphate particle. The positive electrode particles include gray particles and golden particles, a quantity proportion Z of the gray particles among the positive electrode particles satisfying 0.8≤Z≤1.
Resumen de: EP4832066A1
0001 The present specification discloses an electrode assembly and a secondary battery. The electrode assembly can exhibit low resistance and excellent electrical characteristics in a normal state, and secure stability by being rapidly converted into an insulator in an abnormal state. The present specification also discloses a secondary battery comprising the electrode assembly.
Resumen de: EP4832236A1
0001 Provided is a non-aqueous electrolyte secondary battery comprising an electrode body in which a belt-form positive electrode (11) and a belt-form negative electrode (12) are wound with a separator interposed therebetween, wherein the non-aqueous electrolyte secondary battery is characterized in that: the surface of the positive electrode (11) is provided with a positive electrode current collector exposed portion (34) where a positive electrode current collector is exposed; the positive electrode current collector exposed portion (34) is covered by a protective tape (50); the protective tape (50) has a facing region (51) that faces the negative electrode (12), and a non-facing region (52) that does not face the negative electrode (12); and the non-facing region (52) is provided with at least one or more notches (53) that extend from an upper end (50A) of the protective tape (50) toward a lower-end (50B) side of the protective tape (50).
Resumen de: EP4832018A1
0001 A solid electrolyte contains a first element group of one or more alkali-metallic elements selected from the group consisting of Li, Na, and K, a second element group of one or more elements serving as trivalent cations selected from metallic elements and metalloid elements, a third element group of one or more halogen elements selected from the group consisting of F, Cl, Br, and I, and a hydroxyl group.
Resumen de: WO2025133286A1
The invention relates to the use of at least one element in a cooling circuit using at least one dielectric fluid, wherein: the element comprises at least one layer consisting of a composition C, characterised in that: - the composition C comprises from 50 to 99.9% by weight, relative to the total weight of the composition, of a polyamide matrix having an average C/N ratio of greater than or equal to 7, and is free of fibres and reinforcing fillers; - the dielectric fluid is liquid at atmospheric pressure at 23°C and comprises less than 10% by weight of water and glycol ether; and - the layer is intended to be in contact with the dielectric fluid.
Resumen de: WO2025132788A1
The present invention relates to a system (100) for heat treatment of an electrical energy storage device including electrical energy storage members (22), the heat treatment system (100) including the electrical energy storage device and a dielectric liquid circuit including: - at least one channel (24) for the dielectric liquid to circulate between at least a portion of the electrical energy storage members (22) of the storage device; - a dielectric liquid circulation pump (3); - a heat exchanger (5) configured for heat treatment of the dielectric liquid, the heat treatment system (100) being characterised in that the dielectric liquid circuit includes an expansion tank (1) and in that the heat treatment system (100) includes a variable-volume tank (14) connected to the expansion tank (1).
Resumen de: EP4832158A1
According to an embodiment of the present disclosure, provided is a battery module comprising: a housing provided with an accommodation space; a cell assembly which is accommodated in the accommodation space and comprises a plurality of battery cells; a first cooling port which is arranged in the housing such that at least part thereof faces one side of the cell assembly, and through which a cooling fluid is supplied into the accommodation space; and a second cooling port which is arranged in the housing such that at least part thereof faces the other side of the cell assembly, and through which the cooling fluid supplied to the accommodation space is discharged to the outside of the housing, wherein the first cooling port and the second cooling port are arranged at different heights from each other.
Resumen de: EP4831630A1
0001 The present invention relates to a method for analyzing quality of lithium sulfide in a lithium-sulfur electrode, which is a method for analyzing a residual lithium compound in a lithium-sulfur active material, the method comprising: preparing an electrode comprising a cathode active material; charging and discharging the electrode to obtain first data on voltage (V) according to capacity (Specific Capacity); and obtaining and analyzing data according to an area value calculated by integrating a differential value (dQ/dV) obtained by differentiating a battery capacity (Q) according to the voltage (V) with respect to the voltage (V) from the first data.
Resumen de: EP4832156A1
0001 The present disclosure relates to a battery stabilization apparatus and a battery stabilization treatment system, comprising: an input unit for introducing a sagger into which shredded material from a spent battery is introduced; a conveying unit for conveying the sagger into which the shredded material from the spent battery is introduced; a first stabilization unit for performing stabilization of the shredded material from the spent battery at a temperature of 30 °C or less; a second stabilization unit for performing stabilization of the shredded material from the spent battery that has passed through the first stabilization unit at a temperature of 30 to 150 °C; and a discharge unit for discharging the stabilized shredded material from the spent battery, wherein the sagger comprises a hot air inlet for supplying heat to the shredded material from the spent battery.
Resumen de: EP4832152A1
0001 The present invention relates to a battery shredded material and a battery treatment method. The battery shredded material of the present invention is a battery shredded material for recovering valuable metals from a waste battery, and includes a positive electrode, a negative electrode disposed on the positive electrode, and a separator disposed between the positive electrode and the negative electrode, wherein the negative electrode includes fluorine (F) in an amount of 5.0 wt% to 15.0 wt% based on 100 wt% of the entire negative electrode.
Resumen de: EP4832132A1
0001 The present invention relates to a solid electrolyte comprising: sulfide-based solid electrolyte particles; and a coating layer surrounding an entire surface of the sulfide-based solid electrolyte particles in a thin-film form and containing a fluoride, wherein the fluoride contains at least one of Al, Zn, Si, and Sn.
Resumen de: EP4832233A1
A battery cell, a battery, and an electric device, which belong to the technical field of batteries. The battery cell comprises: a housing component, a terminal component, and an electrode assembly, wherein the terminal component comprises a conductive part; and the electrode assembly is accommodated in the housing component and comprises a tab part, the tab part comprises a plurality of stacked tab pieces, the plurality of stacked tab pieces are connected to form a gathered part, the gathered part and the conductive portion are stacked and connected to form a connection part, the gathered part comprises a compacted area, the connection part comprises a first portion formed on the gathered part, and at least most of the contour line of the first portion is located in the compacted area.
Nº publicación: EP4832094A1 28/10/2026
Solicitante:
LG CHEMICAL LTD [KR]
LG Chem, Ltd.
Resumen de: EP4832094A1
The present invention relates to a positive electrode material that may improve performance of a lithium secondary battery, and a positive electrode and a lithium secondary battery including the same. The positive electrode material includes a first positive electrode active material having an olivine structure, and a second positive electrode active material having a layered structure, and a voltage drop (χ) according to Equation 1 described in the present specification of the first positive electrode active material falls within a specific range.
BOPI
Sede Electrónica
