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1363
resultados
Última actualización
13/09/2025 [07:35:00]
Resultados 1025 a 1050 de 1363
Resumen de: US2025276396A1
A battery top cap welding system includes a transport module and a processing module. The transport module includes a battery fixture and a power mechanism, where the battery fixture is configured to clamp both a housing and a top cap of a to-be-welded battery to maintain relative positions of the top cap and the housing; and the battery fixture is disposed on an output end of the power mechanism so as to move, driven by the output end of the power mechanism, to transport the to-be-welded battery. The processing module includes a cleaning processing submodule, a press-fitting processing submodule, and a spot-welding processing submodule, where the cleaning processing submodule, the press-fitting processing submodule, and the spot-welding processing submodule are all disposed at an output end of the corresponding transport module. The processing module includes a clamping tool configured to clamp both the housing and the top cap.
Resumen de: US2025276353A1
A system configured to roll a metal into a foil. The system includes work rollers spaced apart to accommodate the metal therebetween. The work rollers are configured to press against the metal to roll the metal into the foil. A cooling subsystem is spaced apart from the work rollers on a work line configured to feed the metal to the work rollers. The cooling subsystem is configured to cool the metal as the metal moves along the work line.
Resumen de: WO2025179862A1
A power supply device (2) and a street lamp. The power supply device (2) comprise a box (4), a sun shade (15), a battery (5) and limiting assemblies (6), wherein the sun shade (15) is arranged at a top of the box (4) and is configured to shade the box (4), and the battery (5) and the limiting assemblies (6) are all arranged inside the box (4); and the limiting assemblies (6) are arranged on the battery (5) and are configured to press the battery (5) tightly against an inner wall of the box (4), so as to fix the battery (5) inside the box (4) and enable contact heat transfer between the battery (5) and the box (4). The limiting assemblies (6) can conveniently limit and fix the battery (5) in the box (4), and can make the battery (5) closely fit to the inner wall of the box (4), such that the battery (5) and the box (4) form contact heat transfer to enhance the heat dissipation effect of the battery (5), and heat of the battery (5) can be directly conducted to the box (4). The sun shade (15) is provided at the top of the box (4), and the sun shade (15) can prevent sunlight from directly irradiating the box (4) in the daytime, thereby reducing the internal temperature of the box (4); and while the sun shade (15) is set to isolate heat, the limiting assemblies (6) limit the battery (5) to closely fit to the inner wall of the box (4) to enhance heat dissipation, such that the battery (5) can always be kept at a relatively suitable temperature during operation.
Resumen de: WO2025179848A1
A battery cell, a battery pack, and an electric device. The battery cell comprises: a casing (1) internally provided with an accommodating cavity having an opening; a cell body arranged in the accommodating cavity; and a top cover assembly (11) connected to the opening side of the casing (1) and covering the opening; wherein the top cover assembly (11) comprises a top cover (111) and poles (112), the top cover (111) has a first direction (X), the top cover (111) is provided with pole holes (1111) extending in the first direction (X), and the poles (112) are embedded in the pole holes (1111); the top cover (111) is provided with protruding structures (1112) on the sides of the peripheries of the pole holes (1111) away from the casing, and the protruding structures (1112) are used for limiting the positions of the poles (112); the cross-sectional area of each pole hole (1111) perpendicular to the first direction (X) is s1, the cross-sectional area of the top cover (111) perpendicular to the first direction (X) is s2, and the ratio of s1 to s2 satisfies: 0.015
Resumen de: WO2025180282A1
Provided in the embodiments of the present application are a sodium-ion battery positive-electrode material, and a preparation method therefor and a precursor and application thereof. The sodium-ion battery positive-electrode material comprises a sodium-based metal oxide, wherein an X-ray diffraction spectrum of the material includes diffraction peaks of the following 12 crystal planes: (003), (006), (101), (012), (104), (107), (018), (110), (113), (1010), (116) and (024), and the ratio of a peak area of a diffraction peak of the crystal plane (003) to the sum of peak areas of the diffraction peaks of the 12 crystal planes is less than 25%. The positive-electrode material that meets the above conditions has a high particle sphericity and a smoothly rounded structure, such that the material achieves a high compaction density and good dynamic performance, thereby facilitating an improvement in the energy density and rate performance of a sodium-ion battery.
Resumen de: WO2025182565A1
This laminate includes a base material layer, a first adhesive layer, a metal foil layer, a second adhesive layer, and a sealant layer that are sequentially laminated. The second adhesive layer includes an acid-modified polyolefin-based adhesive. The elastic modulus obtained by force curve measurement of the second adhesive layer in a cross section of the laminate in an 80°C environment using a scanning probe microscope is 3 MPa-100 MPa inclusive.
Resumen de: WO2025182546A1
A secondary battery positive electrode 5 according to the present disclosure comprises a positive electrode current collector 5a and a positive electrode active material layer 5b supported by the positive electrode current collector 5a. The positive electrode active material layer 5b includes: active material particles; and solid particles containing boron and phosphorus. The solid particles may contain boron phosphate. The ratio of the mass of the solid particles to the mass of the active material particles is, for example, in the range of 0.1 to 4 mass%.
Resumen de: WO2025182622A1
A battery (10) is provided with: a positive electrode lead (20) having a joint part (75) joined to a positive electrode core body-exposing part (35) where a positive electrode core body (30) is exposed in a positive electrode (11); and a tape (70) that is attached closer to the tip-end of the positive electrode lead (29) than the joint part (75), and includes a core body-side covering part positioned between the positive electrode lead (29) and the positive electrode core body-exposing part (35). The positive electrode lead (20) has a protrusion (75) that protrudes from the tape (70) in the positive electrode width direction.
Resumen de: WO2025182621A1
This battery (10) comprises: an electrode body in which a long positive electrode (11) and a long negative electrode are wound with a separator therebetween; an outer can that houses the electrode body; and a positive electrode lead (20) that is joined to a positive electrode core exposed part (35) in which a positive electrode core (30) is exposed in the positive electrode (11). The positive electrode core (30) is provided with a through-hole (70) that includes a facing part (70a) that faces a tip part (20a) of the positive electrode lead (20) in the thickness direction thereof.
Resumen de: WO2025182572A1
This battery pack includes: a secondary battery cell including a cell first main surface, a cell second main surface facing the cell first main surface, and a pair of cell side surfaces connecting the cell first main surface and the cell second main surface; a resin frame including a pair of frame wall parts covering at least the pair of cell side surfaces of the secondary battery cell; a metal first plate part connected to the frame by a first connection structure and fixed to the cell first main surface of the secondary battery cell via a first adhesive body; and a metal second plate part connected to the frame by a second connection structure and fixed to the cell second main surface of the secondary battery cell via a fixing means. The second connection structure is configured to allow the second plate part to be displaced in a direction away from the first plate part between the pair of frame wall parts in a state in which the secondary battery cell is swollen.
Resumen de: WO2025179748A1
A separator and a preparation method therefor, and a lithium-ion battery. The separator comprises the following raw material components: polyimide, pentafluorocyclotriphosphazene and a fluorophosphite. Based on the total mass of the polyimide, the pentafluorocyclotriphosphazene and the fluorophosphite, the mass fraction of the polyimide is greater than or equal to 70%; the mass fraction of the pentafluorocyclotriphosphazene is 5-15%; and the mass fraction of the fluorophosphite is 10-15%.
Resumen de: WO2025179478A1
Provided is a method for manufacturing electrodes through the use of an electrode material mixture, wherein a binder material, an electrode active material (and a conductive agent, if present) are pre-mixed in a dry state substantially free of liquid, while water is then subsequently added to the pre-mix to form the electrode material mixture. The binder material is a water-compatible copolymer which can be fibrillized in the presence of a shear force, and comprises a hydrophilic structural unit and a non-hydrophilic structural unit, wherein the proportion of the hydrophilic structural unit in the copolymer is from 60% to 90% by mole, based on the total number of moles of monomeric units in the copolymer, and with a weight-average molecular weight of from 400,000 g/mol to 700,000 g/mol. The electrode material mixture has a liquid content of from 5% to 22% by weight, based on the total weight of the electrode material mixture. When the method disclosed is used to manufacture the electrode material mixture, the electrode material mixture and hence resultant electrode layer when coated are well-dispersed, and the electrode layer adheres strongly to the current collector. As a result, the electrode layer could be made thicker, and batteries comprising such an electrode layer would have improved energy density.
Resumen de: WO2025179681A1
A conveying logistics line and a method, and a logistics control method for pallets, the conveying logistics line comprising an empty pallet conveying line (5), a first full pallet conveying line (3), a second full pallet conveying line (4), a converging conveying line (63), a workpiece pickup station (7), and an electrical control module. The electrical control module is communicatively connected to the empty pallet conveying line (5) and is configured for controlling, according to information on the real-time number of full pallets (9) on the first full pallet conveying line (3) and on the second full pallet conveying line (4), the number of empty pallets (8) to be conveyed by the empty pallet conveying line (5) to each first workpiece manufacturing machine (1) and each second workpiece manufacturing machine (2), so as to achieve a stable conveying state during a set operating time of the conveying logistics line, wherein the stable conveying state comprises the real-time number of full pallets (9) on the first full pallet conveying line (3) and the real-time number of full pallets (9) on the second full pallet conveying line (4) being within a first set range and a second set range, respectively.
Resumen de: WO2025179591A1
A battery, an electric device, and an energy storage device. The battery comprises: at least one battery cell (10), wherein each battery cell (10) has a pole (101) on a first surface (103) on one side in a first direction (X); an accommodating case (11), wherein an accommodating cavity is provided in the accommodating case (11), and each battery cell (10) is accommodated in the accommodating cavity; and a heat exchange assembly (14) provided on the first surface (103) of the battery cell (10) and used for exchanging heat with each battery cell (10), wherein the projection of the pole (101) along the first direction (X) within the first surface (103) does not overlap the projection of the heat exchange assembly (14) along the first direction (X) within the first surface (103).
Resumen de: US2025277843A1
An insulation withstand voltage testing method includes applying a direct-current voltage from a zero voltage to a target voltage to a battery cell in a first preset time period using a voltage applying circuit in response to a testing start signal; obtaining a first current value generated by the battery cell based on the direct-current voltage in the first preset time period; continuously applying the direct-current voltage of the target voltage to the battery cell in a second preset time period using the voltage applying circuit; obtaining a second current value generated by the battery cell based on the direct-current voltage in the second preset time period; and if the first current value is less than a first preset current threshold, and the second current value is less than a second preset current threshold, determining that the battery cell passes insulation withstand voltage testing of this time.
Resumen de: US2025277862A1
A battery nickel sheet welding quality detection system includes a transverse moving platform; a detection assembly, including: a support, capable of being movably disposed on the transverse moving platform along a first linear direction relative to the transverse moving platform; a probe plate; probe assemblies each disposed at a corresponding preset position of the probe plate and for detecting relevant electrical parameters at a corresponding position of a battery, and including a probe base, probes and plug-in electrical connectors, and an adjustment mechanism, the probe plate being disposed at the bottom end of the adjustment mechanism; a camera assembly, configured to acquire first image information of the battery; and a control apparatus, configured to control, according to the first image information, the adjustment mechanism to adjust the probe plate to a detection position, where the first linear direction is parallel to the plane where the probe plate is located.
Resumen de: US2025278073A1
Battery production method includes determining quantity of first battery cells based on current first production work order in process of producing products by production device in first process of battery production line; determining quantity of second battery cells; if greater than or equal to the quantity of the first battery cells, sending control instruction to first production device in the first process, and taking next first production work order as the current first production work order; determining quantity of unfinished battery packs on station device for current second production work order and sending the quantity of the unfinished battery packs to the station device in process of producing products by the station device in the second process of the battery production line; and when the quantity of the unfinished battery packs is zero, taking next second production work order as the current second production work order.
Resumen de: US2025277859A1
Disclosed herein is an abnormal battery cell diagnosis device and method for identifying an abnormal battery cell. The abnormal battery cell diagnosis device includes a voltage measurement module configured to measure an initial open circuit voltage (OCV) or closed circuit voltage (CCV) of each battery cell, a timer configured to determine a minimum rest time for a battery cell of a battery pack, and a processor configured to calculate an inter quartile range (IQR) based on the initial OCV or CCV depending on whether the minimum rest time is satisfied, to set an outlier criterion, and to detect an abnormal battery cell using the set outlier criterion.
Resumen de: WO2025179846A1
The present application discloses a thermal control method and system for a battery. The thermal control method for the battery is applied to a controller of the thermal control system for the battery. The thermal control system for the battery further comprises a temperature adjusting device; and the temperature adjusting device comprises at least two circulating loops located at different positions of the battery. The method comprises: acquiring temperature information of the battery; determining a thermal control strategy of the battery on the basis of the temperature information of the battery; and controlling the at least two circulating loops to perform thermal control treatment corresponding to the thermal control strategy on the battery.
Resumen de: WO2025179861A1
A temperature regulation component, a battery assembly and a vehicle. The temperature regulation component comprises a heat conduction plate and heating films, wherein the heating films are arranged on two sides of the heat conduction plate in the direction of thickness of the heat conduction plate, and the heating films are used for heating battery cells.
Resumen de: WO2025179850A1
A battery disconnect unit (10) and a battery pack. The battery disconnect unit (10) comprises: an upper shell (2) and a lower shell (3), which are arranged opposite each other, the upper shell (2) and the lower shell (3) enclosing to form an accommodating cavity; a component (4), which is provided in the accommodating cavity, the component (4) being connected to at least one of the upper shell (2) and the lower shell (3), and the component (4) being configured to disconnect or connect a circuit of the battery pack; and a flexible liquid-cooling plate (1), which is provided in the accommodating cavity, the flexible liquid-cooling plate (1) being in thermal conductive connection with at least part of the component (4) to perform heat dissipation on the component (4), and at least part of the flexible liquid-cooling plate (1) penetrating the upper shell (2) to connect with an external liquid-cooling circuit. By using the bendability of the flexible liquid-cooling plate (1), the flexible liquid-cooling plate (1) can be bent into different shapes to fit with the component (4), thereby not only improving the universality and spatial configuration flexibility of the flexible liquid-cooling plate (1), but also enhancing the heat dissipation effect of the battery disconnect unit (10).
Resumen de: WO2025180053A1
The present application relates to a sampling circuit board, a battery and an electric device. The sampling circuit board is configured to connect to battery cells, and comprises a board body (110), connecting structures, and adapters (140). Each connecting structure comprises a protective structure (120) and an adaptation portion (130). The protective structure has a head end (1201) connected to the board body (110) and a tail end (1202) provided opposite the head end (1201), and the protective structure (120) is arranged and non-linearly extends between the head end (1201) and the tail end (1202). The adaptation portion (130) is connected between the tail end (1202) of the corresponding protective structure (120) and the board body (110). Each adapter (140) is provided on the corresponding adaptation portion (130) and is configured to electrically connect to the corresponding battery cell.
Resumen de: WO2025182545A1
A nonaqueous electrolyte solution according to the present disclosure comprises: a nonaqueous solvent; an electrolyte dissolved in the nonaqueous solvent; and an organic boronic acid. The concentration of the organic boronic acid in the nonaqueous electrolyte solution is 0.02 mass % or more and 0.4 mass % or less. The organic boronic acid may contain a cyclic, linear or branched alkyl group in which at least one hydrogen atom may be substituted with a fluorine atom.
Resumen de: WO2025183656A1
The invention relates to a material for a battery cathode. The material is represented by NaxMyAzDtO2, where M is at least one metal selected from the group containing titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), and zinc (Zn); A is at least one metal selected from the group containing titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), and zinc (Zn); D is at least one metal selected from the group containing titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), and zinc (Zn); with 0.85 < x < 1.1, 0.1 < y < 0.9, 0.1 < z < 0.9, 0.1 < t < 0.9, and the material having a BET surface area in the range of 2.5 to 3.5 mA2/g.
Nº publicación: WO2025182604A1 04/09/2025
Solicitante:
PANASONIC INTELLECTUAL PROPERTY MAN CO LTD [JP]
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Resumen de: WO2025182604A1
A battery (10) comprises: a flat electrode body (13) in which a positive electrode and a negative electrode are wound with a separator therebetween; and a flat outer can (14) which accommodates the electrode body (13), the flat outer can having a bottomed cylindrical-shape. A first protruding part (31) protrudes in the minor-axis direction of the electrode body (13) and extends in the winding axis direction of the electrode body (13). The first protruding part is provided at both ends, in the major-axis direction of the electrode body (13), of at least one inner surface (14b) of a pair of main surface parts (14a) that are part of the outer can (14) and that face each other in the minor-axis direction of the electrode body (13).
BOPI
Sede Electrónica
