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1367
resultados
Última actualización
31/10/2026 [07:40:00]
Resultados 525 a 550 de 1367
Resumen de: EP4832165A1
disclosure belongs to the technical field of batteries. Provided in the embodiments of the present disclosure are a battery, a battery pack and an electric apparatus. The battery comprises a temperature adjustment container and battery cells. The temperature adjustment container has a temperature adjustment chamber, and an inlet and an outlet that are respectively communicated with the temperature adjustment chamber, a weakened area being formed on the chamber wall of the temperature adjustment chamber. The battery cells are arranged on one side or two opposite sides of the temperature adjustment container in a preset direction, the preset direction intersecting the surfaces having the largest areas of the battery cells. When thermal runaway of the battery cells occurs, the pressure bearing capacity of the weakened area is smaller than the pressure bearing capacity of other areas except the weakened area of the chamber wall of the temperature adjustment chamber, such that fluid in the temperature adjustment chamber can flow out from a position corresponding to the weakened area. When thermal runaway occurs, the pressure of the temperature adjustment chamber is increased to open the weakened area, so as to cool battery cells undergoing thermal runaway rapidly, thus inhibiting thermal runaway of battery packs.
Resumen de: EP4832226A1
A battery, a pressure control unit, a battery pack, a power consuming device, and an energy storage device. The battery comprises a case assembly, at least one battery cell and at least one pressure control unit. The battery cell is accommodated in the case assembly, the battery cell comprising electrode assemblies stacked in a first direction. The pressure control unit comprises a fluid pouch, an accommodating cavity being formed in the fluid pouch; a fluid medium is accommodated in the accommodating cavity, such that the fluid pouch can contract or expand through flow of the fluid medium, thereby applying acting force to the battery cell by means of fluid pressure generated by the fluid medium. The pressure control unit applies acting force to the battery cell at least in an expanded state of the battery cell, so as to control the surface stress of the expanded battery cell.
Resumen de: EP4832195A1
0001 The present application is suitable for the technical field of power batteries, and provides a box body (400), a battery (200) and an electrical device (100). The box body comprises: a lower box body (40), which comprises a box body steel layer and a box body aluminum layer, and a temperature control assembly (50), which is connected to the lower box body, the temperature control assembly comprising a temperature control aluminum layer, and the temperature control aluminum layer being welded to the box body aluminum layer. The box body of the present application enables the material of the side of the temperature control assembly connected to the lower box body to be same as the material of the side of the lower box body connected to the temperature control assembly, so that the temperature control assembly can be connected to the lower box body more stably, thus reducing the difficulty of connecting the temperature control assembly to the lower box body.
Resumen de: EP4832126A1
The present application provides a film coating device and a film coating method. The film coating device comprises: a feeding mechanism, used for conveying battery cells in the process of coating the battery cells, the feeding mechanism comprising a conveying platform used for placing and conveying the battery cells to move towards the film coating position; a pushing mechanism, used for pushing the battery cells to move towards the film coating position relative to the conveying platform; and a film stretching and coating mechanism, arranged on the tail end side of the moving direction of the conveying platform and used for carrying out film stretching and coating on the battery cells.
Resumen de: EP4830865A1
0001 The present application belongs to the technical field of batteries. Provided are a control system and method for battery cell welding using an adapter piece. The control system comprises: a first feeding apparatus, which is used for conveying a first top cover to a first pick-up position; a second feeding apparatus, which is used for conveying a second top cover to the first pick-up position during the process of the first feeding apparatus returning to a feeding position; a third feeding apparatus, which is used for conveying a first battery cell and a second battery cell to a second pick-up position; a conveying apparatus, which is used for conveying the first top cover, the second top cover, the first battery cell and the second battery cell to a welding apparatus; and the welding apparatus, which is used for welding the first top cover to the first battery cell and welding the second top cover to the second battery cell. In the present application, the control system realizes uninterrupted continuous feeding by means of two groups of feeding apparatuses, thereby shortening the waiting time for the feeding of top covers, and increasing the efficiency of a production line.
Resumen de: EP4832079A1
0001 One embodiment of the present invention provides a bimodal positive electrode active material including a first lithium metal oxide and a second lithium metal oxide, wherein an average particle diameter (D50) of the first lithium metal oxide is larger than an average particle diameter (D50) of the second lithium metal oxide, wherein the first lithium metal oxide includes a first coating layer coated on an entire surface or a portion of a surface thereof, wherein the second lithium metal oxide includes a second coating layer coated on an entire surface or a portion of a surface thereof, wherein the first coating layer and the second coating layer include a Zr-containing compound, an Nb-containing compound, or a combination thereof, and wherein the Zr-containing compound is represented by the following Chemical Formula 1 and the Nb-containing compound is represented by the following Chemical Formula 2.
Chemical Formula 1 Li
Resumen de: EP4831258A1
An adhesive agent for use in bonding particles of a powder material to each other or bonding the powder material to a thin-film material, the adhesive agent satisfying the following:(1) comprising a phosphorus-containing compound that is an ion conductor precursor, and an ion-conducting species;(2) comprising a phosphorus-containing molten salt that is an ion conductor precursor, the phosphorus-containing molten salt being a salt of an ion-conducting species of phosphoric acid; or(3) comprising a phosphorus-containing molten salt that is an ion conductor precursor, wherein the powder material has an ion-conducting species on its surface.
Resumen de: EP4832205A1
A power supply device includes battery modules and a power-supply case accommodating the battery modules therein. Each battery module includes secondary battery cells. The power-supply case includes a case body having first and second surfaces opposite to each other and a plate portion fixed to a part of the case body. The first surface includes housing ports opening therein. Each battery module is accommodated removably in a corresponding housing port through the corresponding housing port. The plate portion is made of a member separable from the case body. The plate portion includes a stopper restricting an insertion distance by which each battery module is inserted into the corresponding housing port by interfering with an end surface of each battery module while the end surface of each battery module is inserted into the corresponding housing port toward the second surface of the case body.
Resumen de: WO2025132036A1
The present invention relates to a method for synthesis of thiophosphate particles Li3PS4 or Na3PS4 from a reagent A2S and a phosphorus reagent P2S5, where A is selected from Li or Na, the method comprising at least the following steps, carried out under an inert atmosphere: A) bringing the reagent A2S, previously suspended in at least one first polar solvent (solvent 1), into contact with a suspension containing at least the phosphorus reagent P2S5 in at least one second polar solvent and forming, in suspension under reflux, an intermediate compound in the form of a solvate-complex A3PS4-solvent; B) centrifuging, redispersing in a solvent, then filtering and washing the intermediate compound; C) drying the intermediate compound; d) optional heat treatment.
Resumen de: EP4832130A1
0001 Provided is a secondary battery and a preparation method thereof, an energy storage system, and a power supply device, which help to solve the influence caused by gas generation of a lithium replenishment agent. The method includes: providing a battery, where a lithium replenishment agent of the battery has a first charging plateau and a second charging plateau; charging the battery at a first current to form a SEI; performing a first formation and exhausting gas process, where the battery is charged at a second current to a preset cut-off voltage and subjected subsequently to at least one breathing-like exhausting gas process; performing an activation process, where the battery is charged continuously at the second current to the minimum value of the first charging plateau; performing a second formation and exhausting gas process, where the battery is charged at a third current to the maximum value of the first charging plateau and subjected subsequently to at least one breathing-like exhausting gas process; performing a third formation and exhausting gas process, where the battery is charged at the first current to the maximum value of the second charging plateau, while subjecting to at least one breathing-like exhausting gas process; and charging the battery at the third current to a cut-off voltage.
Resumen de: EP4832196A1
A battery (100) and an electric device. The battery (100) comprises a battery cell (20), a box (10) and a protective plate (30), wherein an electrode terminal (201) is provided on one side of the battery cell (20) in a first direction (X); the box (10) is provided with an accommodating space (103) for accommodating the battery cell (20); and the protective plate (30) is arranged in the accommodating space (103) and is located on one side of the battery cell (20) in the first direction (X), and the protective plate (30) comprises a main body portion (301) and a cushioning portion (302), which are connected to each other, the cushioning portion (302) protruding from the side of the main body portion (301) facing the battery cell (20) and being opposite the electrode terminal (201) in the first direction (X). In the above structure, the cushioning portion (302) of the protective plate (30) protrudes from the side of the main body portion (301) facing the battery cell (20) and is opposite the electrode terminal (201) in the first direction (X), so that when the protective plate (30) is impacted and deforms, the cushioning portion (302) can come into contact with the electrode terminal (201) of the battery cell (20) having a good strength, and the cushioning portion (302) can cushion the action forces between the protective plate (30) and the battery cell (20), causing the electrode terminal (201) of the battery cell (20) to be less prone to deforming, thereby facilitating an impr
Resumen de: EP4832197A1
A battery cell (10), a battery (1), and an electric apparatus. In the battery cell (10), an insulating housing (13) comprises a base piece (131), main folding pieces (132), and side folding pieces (133). On a first side (135), transition corners (136) are connected to the main folding pieces (132) by means of first fold lines (1361) and connected to the side folding pieces (133) by means of second fold lines (1362), the base piece (131) is connected to extension folding pieces (134) by means of third fold lines (1341), the third fold lines (1341) are staggered with the straight lines where the first fold lines (1361) are located and/or staggered with the straight lines where the second fold lines (1362) are located when the insulating housing (13) is in an unfolded state, and the extension folding pieces (134) cover gaps between the corresponding side folding pieces (133) and the base piece (131). On this basis, the insulation effect of the insulating housing (13) can be improved.
Resumen de: EP4832163A1
0001 The present application provides a battery and a power consuming apparatus. The battery includes a battery module (10) and a heat exchange assembly. The battery module (10) includes a plurality of battery cells (11). The heat exchange assembly includes a first current collector (21), a second current collector (22), and a plurality of heat exchange tubes (23). The first current collector (21) and the second current collector (22) are respectively located on two sides of the plurality of battery cells (11) along a first direction (X). The plurality of heat exchange tubes (23) are connected between the first current collector (21) and the second current collector (22). At least two of the heat exchange tubes (23) are disposed at an outer periphery of each of the battery cells (11). A recess portion (231) is provided on an outer side of the heat exchange tube (23), and the recess portion (231) accommodates a part of the battery cell (11).
Resumen de: EP4574338A1
The present disclosure relates to a method for disassembling a first and a second battery module (2, 3) in an energy storage arrangement, the first and second battery modules each comprising at least one battery pack, wherein the battery pack of the first battery module comprises a first rod (90) extending through a through hole at a transverse side of the battery pack, the method comprising;- providing a separation tool (10) to the laterally outer side of the first battery module, the separation tool comprising a threaded through hole wherein a threaded pusher device is guided;- aligning the threaded pusher device (16) with a second end portion of the first rod and connecting the separation tool to the laterally outer side of the first battery modules;- rotating the threaded pusher device such that the pushing force from the pushing-member moves the first rod inwardly, thereby causing the first battery module to move away from the second battery module.
Resumen de: EP4576267A1
The present invention relates to a dry composition comprising at least one active material, at least one binder, optionally at least one conductive agent, characterized in that said at least one binder comprises, preferably consists of, a polyamide thermoplastic polymer.
Resumen de: EP4832257A1
The present application is suitable for the technical field of electrics, and provides a connector, a battery, an energy storage system and an electric device. The energy storage system and the electric device each comprise a battery, the battery comprises a connector, the connector comprises a housing and a plurality of terminals, and the plurality of terminals are arranged in the housing in parallel. By arranging a plurality of parallel terminals in a housing of a connector, when in use, the connector allows current to flow through the plurality of terminals in parallel, to supply power to an electric device, that is, the connector can be powered by means of a plurality of branches. In this way, the connector can handle a large current, thereby achieving high-current power transmission.
Resumen de: WO2025133146A1
There is disclosed herein a method for preparing an electrode for a sodium-ion secondary cell, comprising the steps of: applying an electrode coating (204) along a coating axis (c) on an electrode substrate sheet (202) to form a coated substrate sheet, the electrode coating (204) comprising an active electrode material wherein the active electrode material comprises one of hard carbon or a Prussian Blue analogue; cutting the coated substrate sheet across the coating axis (c) into a plurality of portions (210); and calendering a portion of the plurality of portions, wherein the calendering comprises applying pressure with at least one roller (212) having a pressure- applying axis (p) aligned with the coating axis (c). Among other benefits, the risk minimization of damage to the electrode substrate is achieved. Also disclosed herein is an electrode prepared by the aforementioned method, a sodium-ion cell comprising such an electrode, a battery system comprising such a cell, and a vehicle comprising such a battery system.
Resumen de: WO2025132768A1
A process for production of graphite. The process comprises providing a metallic melt; supplying a carbonaceous material to the metallic melt; subjecting the carbonaceous material to catalytic graphitization in the metallic melt; passing a gas through the metallic melt; and collecting a composition leaving the metallic melt, the composition comprising graphite carried by said gas. An apparatus (100) for production of graphite. The apparatus comprises a graphitization reactor (110); a heating element (120) heating the graphitization reactor; an inlet conduit (130) connecting a source (140) of carbonaceous material with the graphitization reactor; a gas conduit (150) connecting a source (160) of gas with a bottom part of the graphitization reactor; and an outlet conduit (170) connecting a top part of the graphitization reactor with a gas-solids separator (180).
Resumen de: WO2025131955A1
The invention relates to a flooding valve (10) for a storage battery, comprising a tubular body (20) which is closed by a seal (30) suitable for breaking when an overpressure is applied to the face thereof that faces the outside of the tubular body. According to the invention, this valve comprises a flap (23) which also closes the tubular body and which is suitable for opening towards the outside of the tubular body when an overpressure is applied to the face thereof that faces the seal.
Resumen de: WO2025133745A1
A method for producing a carbon enriched material, said method comprising the steps of: a) providing lignin beads, wherein said lignin beads comprise at least 80 wt% of lignin based on the dry weight of the lignin beads; b) optionally heating the lignin beads to one or more temperatures in the range of from 140 to 270 °C for a period of at least 30 minutes so as to obtain thermally stabilized lignin beads; and c) subjecting the, optionally thermally stabilized, lignin beads to carbonization at one or more temperatures in the range of from 300 °C to 1500 °C, wherein the carbonization is carried out for a total time in the range of from 30 minutes to 10 hours, so as to obtain a carbon enriched material.
Resumen de: EP4832180A1
0001 This application discloses a battery cell (12), a battery (100), and an electric device, and pertains to the field of battery technology. The battery cell (12) includes an electrode assembly (122) and a heat-shrinkable film (123). The electrode assembly (122) includes a main body (1221) and a tab (1222), where the main body (1221) has two end surfaces arranged oppositely arranged along a first direction (X) and a circumferential surface (12212) connecting the two end surfaces, and the tab (1222) is arranged on one of the end surfaces. The heat-shrinkable film (123) is wrapped around the circumferential surface (12212) along a circumferential direction of the main body (1221), where the heat-shrinkable film (123) has a leading end (1231) and a trailing end (1232) in the circumferential direction, and the leading end (1231) and the trailing end (1232) are connected. With the heat-shrinkable film (123) provided, the manufacturing efficiency of the battery cell (12) can be improved to a certain extent, so that the manufacturing efficiency of the battery (100) is improved.
Resumen de: EP4832172A1
A gap filler composition according to embodiments of the present invention comprises a siloxane-based resin, a filler containing thermally conductive inorganic particles, hollow particles, and graphite particles, a catalyst, and an amino-silicone-based dispersant. Provided is a gap filler composition that possesses low specific gravity, high thermal conductivity, and enhanced viscosity stability by utilizing the hollow particles, graphite particles, and amino-silicon-based dispersant. A battery pack utilizing the gap filler composition is provided.
Resumen de: WO2025132107A1
A leak testing station (50) for containers (C) accommodated in respective transport pucks (3), characterized in that it comprises a testing carousel (51) that can rotate with continuous motion about a central axis (L) and which comprises a plurality of testing devices (5), each one of which comprises: - a movable bell (53) which is adapted to engage directly the puck (3) so as to form a chamber (67) containing said container (C); - an opening (38) which is in fluid communication with the interior of the puck (3), with the vacuum generation means (54) and with the detection means (55); - inside the bell (53), tracer gas injection means (59) which are adapted to engage, in a gas-tight manner, the intake (30) of the container (C) in the chamber (67).
Resumen de: EP4832295A1
0001 Provided in the present application are a high-voltage box (400), a battery (100) and an electrical device. The high-voltage box (400) comprises a box body (410) connected to a case body (10), an accommodation cavity (4101) being formed in the box body (410), and the box body (410) being provided with a through hole (411) communicated with the accommodation cavity (4101). The high-voltage box (400) provided in the embodiments of the present application enables an electrical connection structure (30) of the battery (100) to be inserted into the through hole (411) and to extend into the accommodation cavity (4101), such that the electrical connection structure (30) and an electrical component (420) in the box body (410) can be directly and electrically connected, which, compared with the manner of mating connection of a male terminal and a female terminal of a connector, can effectively reduce the probability of connection failure.
Nº publicación: EP4832212A1 28/10/2026
Solicitante:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
Contemporary Amperex Technology Co., Limited
Resumen de: EP4832212A1
0001 This application discloses a battery cell, a battery, and an electric device. The battery cell includes a housing and an exhaust assembly. The housing has a wall portion. The exhaust assembly is arranged on the wall portion. The exhaust assembly includes a one-way valve and/or a gas-permeable membrane assembly. The gas-permeable membrane assembly includes a gas-permeable membrane. The exhaust assembly is configured to discharge gas inside the housing. The wall portion is provided with a first weakened zone. The first weakened zone is arranged along a circumferential direction of the exhaust assembly. Through this arrangement, the gas inside the housing of the battery cell can be discharged out of the housing in a timely manner. In addition, when an internal pressure or temperature of the battery cell reaches a threshold, the internal pressure of the battery cell can be relieved.
BOPI
Sede Electrónica
