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932
resultados
Última actualización
08/02/2026 [07:30:00]
Resultados 200 a 225 de 932
Resumen de: WO2026026253A1
The present disclosure discloses a battery cell, a battery device, and an electrical device, relating to the technical field of batteries. The battery cell comprises: a housing, an electrode assembly, a pole, and a clamping member. The housing encloses and defines an accommodation cavity. The electrode assembly is installed in the accommodation cavity. The electrode assembly comprises at least two layers of electrode sheets from which a tab extends. A portion of the pole is located in the accommodation cavity at a position corresponding to the tab, and another portion thereof passes through the housing and extends to the exterior of the housing. The clamping member is clamped onto the tab, and a side of the clamping member away from the tab is connected to the pole to electrically connect the tab to the pole. The battery cell provided by the present disclosure is configured to provide voltage and capacity.
Resumen de: WO2026025542A1
The present application relates to the technical field of batteries, and provides a solid-state electrolyte membrane and a solid-state battery having the solid-state electrolyte membrane. In the solid-state electrolyte membrane provided in the present application, by means of providing in a first edge region of a first surface and/or a second edge region of a second surface an annular protrusion part that can form a certain gap in a solid-state battery, an accommodating space can be provided for a negative electrode sheet having an increased thickness in use, helping to reduce the expansion rate of the solid-state battery.
Resumen de: WO2026025386A1
A battery device (100) and an electric device, belonging to the technical field of batteries. The battery device (100) comprises a case (11), a first mounting beam (14), a second mounting beam (15), a battery cell (12) assembly and a heat exchange member (13), wherein the first mounting beam (14) and the second mounting beam (15) are arranged spaced apart from each other in the case (11) and form a battery compartment together with the case (11); the battery cell (12) assembly is disposed in the battery compartment and comprises a first end plate (16), a second end plate (17), and a plurality of battery cells (12) disposed between the first end plate (16) and the second end plate (17), the first end plate (16) and the second end plate (17) being respectively connected to the first mounting beam (14) and the second mounting beam (15); the heat exchange member (13) is disposed in the battery compartment, and exchanges heat and is fitted with the battery cell (12) assembly, and the heat exchange member (13) comprises an inlet-outlet portion (131); and an open slot is formed on the side of the first mounting beam (14) close to the position on a wall of the case (11) where the heat exchange member (13) is disposed, an opening of the open slot faces the wall, the side of the first mounting beam (14) facing away from the opening is connected to the first end plate (16), and the inlet-outlet portion (131) passes through the open slot. The battery device (100) has relatively high reli
Resumen de: WO2026025381A1
A battery device (100) and an electric apparatus. The battery device (100) comprises a case (10), a first expansion beam (20), a first battery cell (31) and a first electrical component (41). The first expansion beam (20) is disposed in the case (10) and divides the internal space of the case (10) into a first battery compartment (11) and a first electrical compartment (12); the first battery cell (31) is disposed in the first battery compartment (11) and cooperates with the first expansion beam (20); and the first electrical component (41) is disposed in the first electrical compartment (12) and is electrically connected to the first battery cell (31). The first expansion beam (20) comprises a first beam (21) and a second beam (22) connected at an included angle, wherein a first mounting space (23) is formed between the first beam (21) and the second beam (22), the first mounting space (23) is located in the first electrical compartment (12), and the first electrical component (41) is at least partially mounted on the first expansion beam (20) and is accommodated in the first mounting space (23). By means of the above-described technical solution, the energy density of the battery device (100) can be improved.
Resumen de: WO2026029506A1
A secondary battery according to one aspect of the present invention comprises: a case; a plurality of electrode assemblies, each being accommodated in the case and including a first electrode, a separator and a second electrode; a plurality of first electrode tabs coupled to the first electrode; a plurality of second electrode tabs coupled to the second electrode; a first current collector plate coupled to the plurality of first electrode tabs; a second current collector plate coupled to the plurality of second electrode tabs; and a cap assembly which seals the case and which has a first terminal and a second terminal connected, respectively, to the first current collector plate and the second current collector plate, wherein the first electrode tabs of each of a pair of adjacent electrode assemblies from among the plurality of electrode assemblies can be tilted in opposite directions.
Resumen de: WO2026029473A1
The present invention relates to a lithium metal secondary battery in which side reactions and generation of by-products at an interface of a lithium metal negative electrode are suppressed and electrochemical properties and lifespan properties are improved. The lithium metal secondary battery comprises: a positive electrode including a positive electrode active material layer; a negative electrode including a lithium metal layer; a separator including a porous separator substrate and an active layer formed only on one surface of the porous separator substrate facing the positive electrode, the active layer including inorganic oxide particles having a dielectric constant of 5 or higher and a polymer binder; and an electrolyte, wherein the active layer of the separator may be in contact with the positive electrode active material layer, and the lithium metal layer may be in contact with the porous separator substrate.
Resumen de: WO2026029472A1
This cooling plate assembly comprises a first plate having a first protruding manifold portion and a plurality of protruding cooling fluid passages. Each of the protruding cooling fluid passages comprises a first elongated portion extending parallel from the first protruding manifold portion and directly from the first protruding manifold portion to a U-turn bent region. The U-turn bent region connects a second elongated portion to the first elongated portion. The second elongated portion includes an end portion having a land region between the end portion and the protruding manifold portion. The second plate is attached to the outer periphery of the first plate and the land of the first plate. The second plate includes a plurality of penetration openings overlapping with one end portion of the plurality of protruding cooling fluid passages, respectively. A manifold plate is fixed to the second plate and defines a second protruding manifold portion that overlaps with the plurality of openings of the second plate.
Resumen de: WO2026029523A1
The present invention relates to a secondary battery and a manufacturing method thereof. A current collector plate according to the present invention includes a main body part and an accommodation part formed at an end of the main body part in a bending direction. A predetermined portion of a foil tab is welded to the current collector plate while accommodated in the accommodation part, and the predetermined portion of the foil tab is melted and integrated with a portion of the main body part and at least a portion of the accommodation part by welding. According to the present invention, it is possible to prevent an electrode assembly located below a blank area from being affected during a welding process. Therefore, it is possible to prevent a separator of the electrode assembly from being damaged during the welding process.
Resumen de: WO2026026206A1
Disclosed are a high-performance natural graphite negative electrode material, a preparation method therefor, and a use thereof. In the negative electrode material of the present invention, a uniform and thin amorphous carbon layer coated on surfaces of each curled flake graphite layer inside the natural graphite in a core can prevent organic molecules in an electrolyte from penetrating into spherical graphite during charging and discharging to generate a new SEI film, thereby preventing delamination of the curled graphite layers inside the spherical graphite; sulfonated graphene in the inner shell has good flexibility, which can alleviate the volume expansion of natural graphite during charging and discharging, improving the cycling performance of natural graphite up to 1500 cycles. An outermost amorphous carbon layer can reduce the specific surface area of the inner sulfonated graphene, preventing reduction of first-cycle efficiency of a lithium-ion battery caused by the graphene coating. In the natural graphite negative electrode material of the present invention, the amorphous carbon layer is uniform and thin, and does not reduce the tapped density and gravimetric capacity of the anode material.
Resumen de: WO2026026194A1
An electrolyte additive and a use thereof. The electrolyte additive comprises a compound having the structure shown in formula 1, where X and Y are each independently selected from (II) or (III), and R1 and R2 are each independently selected from a single bond, substituted or unsubstituted -CH2-, and substituted or unsubstituted -CH2-CH2-.
Resumen de: WO2026026193A1
An electrolyte additive and a use thereof. The electrolyte additive comprises a compound having the structure shown in formula 1, where X and Y are each independently selected from formula (II); and R is selected from an alkyl or haloalkyl group having 1-5 carbon atoms.
Resumen de: WO2026026108A1
A sodium-ion battery electrolyte, and a sodium-ion battery using a secondary electrolyte-injection process and a preparation method therefor. The sodium-ion battery electrolyte comprises a primary electrolyte and a secondary electrolyte, and the primary electrolyte comprises a first organic solvent, a sodium salt and a first additive; the first organic solvent is propylene carbonate, and the concentration of the sodium salt in the primary electrolyte is 2-6 wt.%; the second electrolyte comprises a second organic solvent, a sodium salt and a second additive; and the content of propylene carbonate in the second organic solvent is not less than 70 wt.%, the concentration of the sodium salt in the secondary electrolyte is 30-60 wt.%, and the second additive contains fluoroethylene carbonate. The primary electrolyte has good wettability to an electrode sheet, and the boiling point of propylene carbonate is relatively high, so that the thermal stability of the electrolyte can be effectively improved; and an electrolyte with relatively high sodium salt concentration is used as the secondary electrolyte to ensure the conductivity, and the sodium ion battery obtained by secondary electrolyte injection has relatively good cycle stability and high-temperature stability.
Resumen de: WO2026025358A1
The present application provides a battery cell, a battery device, and an electric apparatus. The battery cell of the present application comprises a positive electrode sheet, a negative electrode sheet, and a non-aqueous electrolyte; the positive electrode sheet comprises a positive electrode current collector and a positive electrode active layer located on at least one side surface of the positive electrode current collector, and the positive electrode active layer comprises a positive electrode lithium-supplementing material; the non-aqueous electrolyte comprises an electrolyte additive, and the electrolyte additive comprises one or more of a substituted or unsubstituted 5-12-membered aromatic heterocyclic organic base additive, and a substituted or unsubstituted 5-12-membered aliphatic heterocyclic organic base additive. The energy density, cycle performance and high-temperature storage performance of the battery of the present application can be improved at the same time.
Resumen de: WO2026025216A1
The present application provides a sodium secondary battery and an electric device. The sodium secondary battery comprises a positive electrode sheet, a negative electrode sheet, and a separator disposed between the positive electrode sheet and the negative electrode sheet, wherein the separator comprises a sodium reactant.
Resumen de: EP4686708A1
La présente invention concerne des verres ternaires de borate de manganèse sodiés, ainsi que leur procédé d'obtention. L'invention vise également la préparation et l'utilisation desdits verres en tant que matériaux actifs d'électrodes positives, en particulier d'accumulateurs métal-ion, ainsi que lesdits matériaux actifs et électrodes per se.
Resumen de: EP4687190A1
A secondary battery according to an exemplary embodiment of the present disclosure includes an electrode assembly including separators stacked to enclose each of a plurality of electrode plates disposed therein; and a separator coupling part disposed on one side of the electrode assembly to support the separators, wherein the separator coupling part includes an internal coupling part disposed on an inner side of an edge of the separator to couple at least partial regions of the separators that face each other.
Resumen de: EP4686599A1
A battery management according to an embodiment of this document may include at least one slave device and a master device including a communication circuit and a control circuit. The communication circuit may transmit battery data received from each of the at least one slave device to an external electronic device, and receive a control command according to a processing result of the battery data from the external electronic device. The control circuit may control a switching unit that connects the external electronic device and the battery based on the received control command.
Resumen de: EP4687193A1
A bipolar battery comprises bipolar electrodes (10) and a sealing material (30). The bipolar electrodes (10) are stacked in a perpendicular-to-plane direction. In the perpendicular-to-plane direction, each of the bipolar electrodes (10) includes a positive electrode layer (11), a current-collecting foil sheet (13), and a negative electrode layer (12) in this order. In an in-plane direction, the current-collecting foil sheet (13) extends outwardly beyond the positive electrode layer (11) and the negative electrode layer (12). At an end in the in-plane direction, the sealing material (30) is attached to the current-collecting foil sheet (13) to seal interstices between the current-collecting foil sheets (13) that are adjacent to each other in the perpendicular-to-plane direction. The sealing material (30) includes a first resin layer (31) and a second resin layer (32) in the perpendicular-to-plane direction. A relationship of "Tm<sub>2</sub><Tm<sub>1</sub><Tm<sub>0</sub>" is satisfied. "Tm<sub>0</sub>" represents a melting point of the current-collecting foil sheet (13). "Tm<sub>1</sub>" represents a melting point of the first resin layer (31). "Tm<sub>2</sub>" represents a melting point of the second resin layer (32).
Resumen de: EP4687206A1
A cell bracket (1), a method for preparing the cell bracket, and a battery pack (1000) are provided. The cell bracket (1) includes a substrate (10) and a coating layer (30) wrapped around the substrate (10). The substrate (10) is made of glass fiber or carbon fiber. The coating layer (30) includes a resin component (300). The substrate (10) is provided with first pressure relief holes (110), and the resin component (300) is provided with second pressure relief holes (310). The first pressure relief holes (110) overlap with the second pressure relief holes (310) to form pressure relief holes (410) configured to support cylindrical cells.
Resumen de: EP4687194A2
A battery system (10) is disclosed. The battery system (10) comprising: an electric device (11, 12, 80) configured to be thermally controlled by a circulation of a thermal fluid (18); a thermal management system (16, 16', 16") configured to circulate the thermal fluid (18) to at least the electric device (11, 12, 80); and a thermal fluid water separator assembly (20) disposed in the thermal management system (16, 16', 16") and having a media (46) configured to separate a water from the thermal fluid (18), the water separated from the thermal fluid (18) by the thermal fluid water separator assembly (20) being a separated water, wherein the thermal fluid water separator assembly (20) is further configured to collect the separated water and accommodate a selective removal of the separated water from the thermal fluid water separator assembly (20).
Resumen de: EP4687184A1
An electrode, including a substrate, a tab having a first side joined to one surface of the substrate and a second side extending away from the substrate, the first side and the second side being opposite each other along a longitudinal direction of the tab, and a metal layer on the substrate and covering at least a portion of the tab, the metal layer including a metallic material.
Resumen de: EP4687202A1
A combiner cabinet and an energy storage system are provided. The combiner cabinet includes a cabinet body (10), a cabinet door (11), and an electrical component assembly (14) mounted inside the cabinet body (10). The electrical component assembly (14) includes a positive electrode part (70), a negative electrode part (80), and a control part (100). The positive electrode part (70) is electrically connected to a positive output terminal of an external high-voltage box and a positive electrode of a battery pack. The negative electrode part (80) is electrically connected to a negative output terminal of the external high-voltage box and a negative electrode of the battery pack. The control part (100) is electrically connected to a communication signal terminal of the external high-voltage box. The control part (100) and the positive electrode part (70) are arranged along a length direction or a width direction of the combiner cabinet.
Resumen de: EP4687211A1
This application provides a battery pack and an energy storage apparatus. The battery pack includes a housing, and a battery module, a plurality of busbars, and an insulated first isolation tape that are accommodated in the housing. The battery module includes a plurality of cells arranged in a length direction of the battery pack, the plurality of busbars are disposed on a surface on which poles of the plurality of cells are located, two adjacent cells in the plurality of cells are electrically connected via one of the plurality of busbars, and the first isolation tape extends in the length direction of the battery pack and covers a surface that is of the plurality of busbars and that is away from the plurality of cells. There is a gap between the first isolation tape and pressure relief valves of the plurality of cells in a direction in which the poles and the pressure relief valves are spaced from each other. This application resolves a problem that a short circuit occurs in a cell on which thermal runaway occurs and a surrounding cell because of a failure, caused by a high temperature, in designed insulation in a thermal runaway process of the pack. This leads to sparks, thermal runaway diffusion, and short-circuited melt-through of a box body of the pack, and finally leads to fire and explosion of the pack.
Resumen de: EP4687196A1
The present disclosure relates to a rechargeable lithium battery module including two or more cell structures and a polymer-metal composite film between the cell structures, wherein the polymer-metal composite film includes a polymer film; and metal coating layers on both surfaces of the polymer film, and the polymer-metal composite film is exposed longer than the cell structure in a height direction or a width direction of the cell structure.
Nº publicación: EP4687199A1 04/02/2026
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Resumen de: EP4687199A1
The present disclosure provides a battery. The battery includes a case formed of a conductive material, a sensing member attached to one surface of the case and including a conductor formed of a conductive material and a dielectric having at least a part thereof disposed between the case and the conductor, and a monitoring circuit electrically connected to the conductor and the case, wherein the monitoring circuit may monitor whether the battery is deformed based on an amount of change in a capacitance formed between the conductor and the one surface of the case.
BOPI
Sede Electrónica
