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1255
resultados
Última actualización
10/02/2026 [07:21:00]
Resultados 800 a 825 de 1255
Resumen de: US20260031406A1
An electrode assembly includes: a first electrode; a second electrode on the first electrode in a first direction; and a separator between the first electrode and the second electrode. The first electrode, the second electrode, and the separator are wound in a jelly roll shape about a winding axis extending in a second direction intersecting the first direction. The first electrode has a first front uncoated region adjacent to the winding axis in the first direction and extending around the winding axis by at least two turns.
Resumen de: US20260031408A1
Battery cells of this disclosure include a zinc anode and a cathode having acidified metal oxide nanomaterials combined with alkaline battery chemistry materials.
Resumen de: US20260031362A1
A secondary battery and a preparation method therefor, and an electric apparatus. The secondary battery comprises a positive electrode plate, which positive electrode plate comprises a positive electrode current collector and a positive electrode film layer provided on at least one surface of the positive electrode current collector, wherein the positive electrode film layer comprises a positive electrode active material and a material containing a chalcogen element. The secondary battery and an electric apparatus including the secondary battery have improved cycle performance and high-temperature storage performance.
Resumen de: WO2026024101A1
The present invention relates to a positive electrode composition for a lithium secondary battery to which a multifunctional surface deterioration prevention additive is added. The positive electrode composition comprises: a positive electrode active material including a lithium transition metal oxide; and at least one functional group having an organic framework and capable of bonding to a transition metal atom.
Resumen de: WO2026024141A1
The present specification relates to a method for manufacturing a lithium secondary battery and a lithium secondary battery. According to one embodiment of the present invention, provided is a method for manufacturing a lithium secondary battery, the method comprising the steps of: injecting a first electrolyte solution into a battery case in which an electrode assembly including a positive electrode and a negative electrode is accommodated; performing a first activation process after injecting the first electrolyte solution; injecting a second electrolyte solution different from the first electrolyte solution into the battery case in which the first activation process has been performed; and performing a second activation process after injecting the second electrolyte solution, wherein the lithium salt concentration of the first electrolyte solution is greater than the lithium salt concentration of the second electrolyte solution, and the difference between the lithium salt concentrations of the first electrolyte solution and the second electrolyte solution satisfies a specific range.
Resumen de: WO2026024708A1
The present disclosure generally relates to pyridinium redox materials for various uses, such as electrolytes in electrochemical devices, for example, in redox flow batteries. The pyridine may be a bipyridinium, such as a 4,4 '-bipyridinium, in some aspects. In certain cases, such anolytes may be useful in electrochemical devices, for example, in a battery such as a flow battery. In some embodiments, the electrolyte may be based on a C-substituted 4,4'- bipyridinium, e.g., acting as an anolyte. Other aspects are generally directed to electrolytes such C-substituted pyridiniums, methods of making or using such C-substituted pyridiniums, kits involving such C-substituted pyridiniums, or the like.
Resumen de: WO2026024157A1
The present invention relates to a composition for an ion-conductive film and a battery comprising an ion-conductive film manufactured therefrom, wherein the composition for an ion-conductive film comprises a phosphorus-based polymer, a compound represented by chemical formula 2, and a lithium salt compound, and comprises 80.00-90.00 parts by weight of the polymer with respect to 100 parts by weight of the sum of the polymer and the compound represented by chemical formula 2.
Resumen de: WO2026020853A1
The present disclosure relates to the technical field of batteries. Provided are a battery and an electric apparatus. The battery comprises a first battery cell and a second battery cell, wherein a thermal runaway temperature of the second battery cell is not greater than 180°C, a thermal runaway temperature of the first battery cell is not less than 220°C, and the second battery cell and the first battery cell are stacked in a first direction to serve as components of a cell unit. The thermal runaway temperature of the first battery cell is higher than the thermal runaway temperature of the second battery cell, and the safety of the first battery cell is higher than that of the second battery cell. The cell unit comprises the second battery cell and the first battery cell which are of different types.
Resumen de: WO2026020999A1
Disclosed in the present disclosure are a battery cell, a battery, and an electrical apparatus. The battery cell comprises a casing, an end cover, an electrode assembly and an electrical connection assembly, wherein the electrode assembly is accommodated in the casing, the end cover is provided with an electrode terminal, and the electrode terminal is electrically connected to the electrode assembly by means of the electrical connection assembly. The electrical connection assembly comprises a current collecting member and at least one adapter connected to the current collecting member, the adapter being engaged with the current collecting member.
Resumen de: WO2026020882A1
A battery, comprising a case (11), end covers (12), caps (13) and a battery cell (4), wherein the end covers (12) and the caps (13) are independently arranged; each end cover (12) is provided with a through hole (121); the battery cell (4) comprises a core body (41) and a tab (42) connected to the core body (41); each end cover (12) comprises a first side and a second side which are opposite each other, wherein the first side and the case (11) are connected and enclose to form a first accommodating cavity (21), the second side and the corresponding cap (13) are connected and enclose to form a second accommodating cavity (22), and the through hole (121) penetrates the first accommodating cavity (21) and the second accommodating cavity (22); and the core body (41) and/or the tab (42) penetrate(s) the through hole (121), and at least part of the core body (41) and/or at least part of the tab (42) are/is accommodated in the second accommodating cavity (22).
Resumen de: WO2026020988A1
A fiber optic sensor, a measurement apparatus, a battery, a battery system, and a measurement system. The fiber optic sensor comprises: an optical fiber and a plurality of sub-sensors, the plurality of sub-sensors being successively arranged in a fiber core of the optical fiber in the extension direction of the optical fiber, and the sub-sensors being used for measuring temperature and/or strain at corresponding positions. Each sub-sensor can measure the temperature and/or strain, such that the temperature and/or strain at multiple positions can be measured by one fiber optic sensor, allowing temperature and strain measurement processes to be simpler and more efficient.
Resumen de: US20260033038A1
A solar cell structure includes: a solar cell; an adhesive portion including a plurality of fixing adhesive points provided on a surface of the solar cell at intervals in a first direction; and a conductive component, a surface of the conductive component facing the solar cell being provided with a plurality of first contact regions and a plurality of second contact regions arranged alternately in the first direction; the conductive component is fixed to the plurality of fixing adhesive points through the plurality of first contact regions, the plurality of fixing adhesive points electrically isolate the solar cell from the conductive component in the plurality of first contact regions, the conductive component is electrically in contact with a region on the solar cell other than the plurality of fixing adhesive points through the plurality of second contact regions, to form discontinuous contact between the conductive component and the solar cell.
Resumen de: US20260032805A1
An electronic substrate unit that is accommodated inside a housing of a battery pack includes an electronic substrate on which a circuit is formed, and a wireless module mounted on the electronic substrate, in which the electronic substrate includes a plurality of attachment portions of the wireless module, and the wireless module is provided on the electronic substrate in a one-on-one manner, and is attached to one of the plurality of attachment portions.
Resumen de: US20260032875A1
A charging pile includes one or more groups of charging connectors, a thermal management system, a first liquid outlet connector, and a first liquid inlet connector. Each group of charging connectors is configured to output electric energy to an electric vehicle, the first liquid outlet connector is configured to connect to a liquid injection port of the electric vehicle, and the first liquid inlet connector is configured to connect to a liquid return port of the electric vehicle. The thermal management system forms a coolant circulation loop with the electric vehicle via the first liquid outlet connector and the first liquid inlet connector, so that the thermal management system dissipates heat from a power battery of the electric vehicle. In addition, the thermal management system may further provide coolant for a liquid cooling cable connected to each group of charging connectors.
Resumen de: US20260032860A1
A liquid-cooled high-voltage box includes a base plate, a cover plate, and a frame, where the base plate is arranged on a first side of the frame, and the cover plate is arranged on a second side of the frame; the base plate, the cover plate, and the frame encloses a chamber for accommodating a high-voltage component, a cavity for allowing a liquid coolant to flow is arranged in the base plate, and the high-voltage component is arranged on the base plate; an inlet through which the liquid coolant is injected and an outlet through which the liquid coolant is discharged are arranged on the base plate, and the inlet, the cavity, and the outlet sequentially communicate with each other.
Resumen de: US20260031466A1
A cell separating element for arrangement between two battery cells, which includes an outer wall which encloses an interior space and which provides a first outer wall and an opposite second outer wall, a first cooling region located in the interior space, which adjoins the first outer wall and which includes a first cooling channel, and a second cooling region located in the interior space, which adjoins the second outer wall and which includes a second cooling channel. The cell separating element includes a compression layer made of an elastically deformable material arranged in the interior space. The compression layer is arranged between the first and second cooling regions with respect to the first direction.
Resumen de: US20260031377A1
The present invention relates to a method of supplying electricity to an electrical load including steps of providing an alkaline solution, reacting the alkaline solution with silicon so as to produce hydrogen. processing the hydrogen in a fuel cell to generate electricity, and supplying the electricity from an output of the fuel cell to the electrical load via a suitable electrical interfacing module.
Resumen de: US20260031352A1
A secondary battery, a preparation method therefor, and an electrical device. The secondary battery includes a negative electrode. A current collector includes a first region and a second region. The second region is close to a tab. A first active material layer is located in the first region. A second active material layer is located in the second region. The percentage by weight of the silicon-based material in the second active material layer is greater than the percentage by weight of the silicon-based material in the first active material layer. The percentage by weight of the first carbon material in the second active material layer is greater than the percentage by weight of the first carbon material in the first active material layer.
Resumen de: US20260031403A1
Disclosed is a rechargeable lithium battery including a positive electrode including a positive active material; a negative electrode including a negative active material; an electrolyte solution including a lithium salt and a non-aqueous organic solvent; and a separator between the positive and the negative electrodes, the separator including a porous substrate and a coating layer positioned on at least one side of the porous substrate. The negative active material includes a Si-based material; the non-aqueous organic solvent includes cyclic carbonate including ethylene carbonate, propylene carbonate, or combinations thereof, the cyclic carbonate being included in an amount of about 20 volume % to about 60 volume % based on the total amount of the non-aqueous organic solvent; and the coating layer includes a fluorine-based polymer, an inorganic compound, or combinations thereof. The rechargeable lithium battery has improved cycle-life and high temperature storage characteristics.
Resumen de: US20260031388A1
The present disclosure relates to the technical field of battery materials, and provides a fluorine-containing solid-state electrolyte. The fluorine-containing solid-state electrolyte has a general structural formula (AX)aMBy, where A denotes at least one of Li, Na, K, Ag, and Cu, M denotes at least one of Ti, Sn, Ta, Nb, Zr, Hf, Ga, Al, and Fe, and 0.5<a<4; B denotes F, X denotes at least one of an oxygen-containing anion and a fluorine-containing anion, and y equals 4 or 5; or B denotes at least one of F, Cl, Br, and I, X denotes BF4, and y equals 3, 4, or 5. The solid-state electrolytes according to examples of the present disclosure have the high ionic conductivities.
Resumen de: US20260031390A1
A cell assembly has a plurality of first electrodes, a plurality of second electrodes and a plurality of solid electrolyte layers. The solid electrolyte layers have a protrusion in at least one of the solid electrolyte layers. The protrusion is aligned with a first electrode tab of one of the first electrodes. The folding of the first electrode tabs causes the protrusions to be positioned to separate the first electrode tabs from the second electrodes, thus preventing short circuit between the first electrode tabs and second electrodes. In one aspect, the disclosure provides an all solid-state battery comprising one or more anodes, one or more cathodes and one or more solid electrolyte layers with a protrusion. Also disclosed is a method for preparing same.
Resumen de: WO2026024074A1
A battery module according to one embodiment of the present invention comprises: a cell assembly which is formed by stacking battery cells and which is arranged such that a pair of electrode leads face upward; a lower frame which is shaped such that one side and the other side are open in the longitudinal direction, and which accommodates the cell assembly; a bus bar frame which is coupled to the lower frame and which is mounted above the cell assembly; and a bus bar frame assembly that includes a plurality of bus bar plates, which are fixed onto the bus bar frame so as to be electrically connected to the electrode leads of the battery cells.
Resumen de: WO2026024037A1
The present invention relates to a graphite-based negative electrode active material having excellent rapid charging performance and a method for manufacturing same, the graphite-based negative electrode active material comprising artificial graphite having a plane spacing d(002) of the (002) plane of 0.3360 nm to 0.3370 nm and a c-axis direction crystallite size Lc of 30.0 nm to 38.5 nm.
Resumen de: WO2026024017A1
A battery pack according to the present invention comprises: a battery assembly having a plurality of battery cells; a pack case having an accommodation space in which the battery assembly is accommodated; at least one first venting hole provided on a first side of the battery assembly; a venting space disposed on a first side of the first venting hole and provided in the pack case; and at least one opening/closing member disposed to correspond to the first venting hole and opened to allow the first venting hole and the venting space to communicate with each other if an internal pressure greater than or equal to a predetermined level is formed.
Nº publicación: WO2026023890A1 29/01/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
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Resumen de: WO2026023890A1
The present invention relates to a jig for extracting an electrolyte, and the purpose of the present invention is to provide a jig for extracting an electrolyte, which facilitates extraction of an electrolyte in an electrolyte extraction system through centrifugation by enabling mounting of a cylindrical secondary battery or a jelly-roll type electrode assembly. One embodiment of the present invention relates to a jig for extracting an electrolyte, which extracts an electrolyte from a sample to be analyzed provided as a cylindrical battery or a jelly-roll electrode assembly having a vertical direction as a longitudinal direction, the jig comprising: a body part having a cylindrical battery accommodation groove formed on the upper surface thereof and having the vertical direction as a central axis; and a support part for supporting, inside the battery accommodation groove, the lower end of the sample to be analyzed, wherein an electrolyte discharge flow path is formed on the upper surface of the support part, a first electrolyte discharge port penetrating the support part in the vertical direction is formed in the support part, a second electrolyte discharge port for discharging an electrolyte is formed in the battery accommodation groove of the body part, the inlet of the first electrolyte discharge port is connected to the electrolyte discharge flow path, and the outlet of the first electrolyte discharge port is connected to the second electrolyte discharge port.
BOPI
Sede Electrónica
