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1277
resultados
Última actualización
15/08/2025 [07:19:00]
Resultados 525 a 550 de 1277
Resumen de: WO2025161348A1
A battery pack and an energy storage system. A case of the battery pack comprises a battery compartment and an electrical compartment which are arranged adjacent to each other in the length direction. The battery compartment is used for accommodating a battery module. The battery module comprises a plurality of battery cells; the battery cells each comprise a top surface and a bottom surface which are arranged opposite to each other in the height direction; and the top surface is provided with two electrode poles. Each battery cell is further provided with an explosion-proof valve, and the explosion-proof valve is located on the top surface or the bottom surface. The electrical compartment is used for accommodating a power module. In the battery cells close to the electrical compartment in the battery module, a barrier strip is provided between the surfaces where the explosion-proof valves are located and the inner wall of the case. The barrier strip is located on the side of the explosion-proof valves facing the electrical compartment, and is used for isolating the explosion-proof valves from the power module. In the battery pack, the battery module and the power module are accommodated in a same space. When the internal air pressure of each battery cell is excessively high, the corresponding explosion-proof valve is opened to release high-temperature gas and liquid. The barrier strip is located between the explosion-proof valves and the electrical compartment, such that the
Resumen de: WO2025161387A1
The present application provides a battery cell, a battery pack comprising the battery cell, and an electric device comprising the battery pack or the battery cell. The battery cell comprises at least one core, a monitoring device, at least one monitoring probe, at least one insulating member, and a casing; the monitoring probe is electrically connected to the monitoring device; the insulating member is arranged on one side of the core; the insulating member is provided with a recessed space; the monitoring probe is accommodated in the recessed space; the casing is provided with an accommodating space; and the core, the monitoring device, the monitoring probe, and the insulating member are located in the accommodating space. According to the present application, an insulating member provided with a recessed space is arranged in the battery cell, and a monitoring probe is arranged in the recessed space, so that the direct contact between the monitoring probe and a battery cell core is avoided, and thus the core is protected, thereby improving the safety of the battery and prolonging the service life of the battery.
Resumen de: WO2025161438A1
A preparation method for an electrode material of a sodium-ion battery, the method comprising the following steps: S1, raw material preparation, involving: selecting manganese acetate, tetrapropyl chlorotitanate, sodium acetate, ammonium dihydrogen phosphate, citric acid and carbon nanotubes as raw materials, preparing tetrapropyl chlorotitanate into a tetrapropyl chlorotitanate solution, and preparing the carbon nanotubes into a carbon nanotube slurry; S2, raw material mixing, involving: firstly, dispersing citric acid and the carbon nanotube slurry into distilled water, and then adding sodium acetate, manganese acetate and ammonium dihydrogen phosphate thereto, so as to obtain a mixture; S3, sol preparation, involving: adding the tetrapropyl chlorotitanate solution into the mixture obtained in S2, and stirring same until a sol is obtained; S4, gel precursor preparation, involving: drying the sol obtained in S3 at 75ºC, so as to obtain a gel precursor; and S5, gel precursor drying, involving: drying the gel precursor under anaerobic conditions, so as to obtain a CNTs-NMTPO@C product, wherein the product can significantly improve the high-speed performance of an NMTPO electrode and significantly prolong the cycle life thereof.
Resumen de: US2025253508A1
Provided are a battery cell, a battery, and an electric device. The battery cell includes a housing, an electrode assembly, a first insulating member, and a support frame. The housing is provided with a first wall, and the electrode assembly is accommodated within the housing. The electrode assembly includes a main portion. Along a thickness direction of the first wall, the first insulating member is provided on a side of the first wall facing the electrode assembly. Along the thickness direction of the first wall, the support frame is arranged between the main portion and the first insulating member, and the support frame is thermally fused to the first insulating member.
Resumen de: US2025253509A1
A liquid injection device includes a liquid injection assembly, a first driving mechanism, and a carrying mechanism. The liquid injection assembly includes a liquid injection body and a liquid injection head arranged on the body. The first driving mechanism is configured to drive the liquid injection assembly to move. The carrying mechanism is configured to carry a replaceable wiping member. The carrying mechanism cooperates with the first driving mechanism, so that the liquid injection head comes into contact with a different position on the replaceable wiping member, and then the liquid injection head is wiped.
Resumen de: US2025253488A1
The solid state battery of the present disclosure includes an electrode stack. The electrode stack includes a first current collector layer, a first electrode active material layer, a solid electrolyte layer, a second electrode active material layer, and a second current collector layer in this order. The electrode stack has a main body region and a tapered region formed at an end. An insulating member is disposed from at least a part of the inclined surface of one of the tapered regions through the end surface of the electrode stack and over at least a part of the other inclined surface. The length of the insulating member in the stacking direction of the electrode stack is smaller than the thickness of the main body region.
Resumen de: US2025253507A1
The present disclosure provides an electrode stack that is resistant to peeling of anchoring members disposed on side sections thereof, as well as a battery comprising the electrode stack. As exemplified in FIG. 1, in the electrode stack 10 of the disclosure, a positive electrode collector layer 11, a positive electrode active material layer 12, an electrolyte layer 13, a negative electrode active material layer 14 and a negative electrode collector layer 15 are stacked in that order. In the electrode stack 10 of the disclosure, anchoring members 20 comprising a curable resin are disposed on side sections thereof. Among the layers of the electrode stack 10 of the disclosure, the positive electrode collector layer 11 and/or negative electrode collector layer 12 each have recesses 10a on the sides where the anchoring members 20 are disposed, with parts of the anchoring members 20 intruding into the recesses 10a.
Resumen de: US2025253506A1
A battery and an electrical device are disclosed. The battery includes a plurality of battery cells. At least two of the battery cells are disposed opposite to each other. At least one electrode post of the two battery cells disposed opposite to each other is located on one side of each of two battery cells, where the one side of one battery cell is oriented toward the one side of the other battery cell. An insulation structure is disposed between the two battery cells disposed opposite to each other. At least a part of the insulation structure is located between the electrode posts of the two battery cells, the electrode posts being oriented toward each other.
Resumen de: US2025253484A1
A battery pack of the present disclosure can include a plurality of pouch-type battery cells. Each cell can have a receiving portion in which an electrode assembly is accommodated and an edge portion around the receiving portion. A pack case can accommodate the pouch-type battery cell in an upright state by placing the edge portion downward in an internal space of the pack case. A cell cover can at least partially surround at least some of the pouch-type battery cells in the internal space of the pack case by surrounding the upper edge portion of the pouch-type battery cell and exposing the lower edge portion of the pouch-type battery cell. The cell cover can include a separation space and a a pocket structure for restricting the movement of gas emitted from the pouch-type battery cell in the horizontal direction and upward across the upper edge portion within the separation space.
Resumen de: US2025253472A1
A battery holder for an electric personal transport vehicle includes a first receptacle and a second receptable. Each receptacle is configured to accommodate an outer battery pack. A cavity is between the first receptacle and the second receptacle. The cavity is configured to accommodate a central battery pack. An upper cap is coupled to a top surface of the first receptacle and the second receptable, and covers the cavity. A lower cap includes a first retaining portion coupled to the first receptacle, a second retaining portion coupled to the second receptacle, and a base. The base is between and coupled to each of the first retaining portion and the second retaining portion, and covers the cavity. The base has an inner surface configured to abut to an external structure when securing the battery holder. The external structure is a component of the electric personal transport vehicle.
Resumen de: US2025253468A1
A battery and an electrical device are disclosed. The battery includes multiple structural components. The multiple structural components are arranged along a first direction. At least one structural component is a battery row, which includes at least one battery cell. The battery cell includes a first surface provided with an electrical connection portion. The first surface is oriented toward an adjacent structural component; and a support piece. The support piece is disposed between the battery row and the adjacent structural component. The support piece is configured to space the first surface and the adjacent structural component apart by a fixed clearance.
Resumen de: US2025253502A1
A secondary battery that is superior in manufacturability is provided. The secondary battery includes a first electrode current collector plate, a second electrode current collector plate, and an electrode wound body. The first electrode current collector plate has an opening. The electrode wound body is disposed between the first electrode current collector plate and the second electrode current collector plate, and has a through hole extending in a height direction. The electrode wound body includes a stacked body that includes a first electrode, a second electrode, and a separator and is wound. The electrode wound body includes a first end face and a second end face. The first end face faces the first electrode current collector plate in the height direction. The second end face faces the second electrode current collector plate in the height direction. At least a portion of a first electrode exposed region forms the first end face and is coupled to the first electrode current collector plate. The opening is positioned to overlap a portion of the the first end face in the height direction.
Resumen de: WO2025161365A1
A current collector, an electrode sheet, a secondary battery, an electric device, a copper foil, and a preparation method for the copper foil. The current collector comprises the copper foil, the average particle size of the crystal grains in the copper foil ranges from 50 nm to 400 nm, and based on the total number of crystal grains in the copper foil, the proportion of the crystal grains of nano twin crystals is greater than or equal to 60%. The combination of the high proportion nano twin crystal structure and the small crystal grain size functions to improve the mechanical strength of the current collector while maintaining the high plasticity of the current collector, thereby providing a material basis for further improvement of the energy density and safety of the battery.
Resumen de: WO2025161382A1
A battery cell (20), a battery, and an electrical apparatus, relating to the field of batteries. The battery cell (20) comprises: a casing (21), the casing (21) comprising a first wall (211) and an electrode terminal (212), the electrode terminal (212) being disposed on the first wall (211); an electrode assembly (22) provided in the casing (21), the electrode assembly (22) comprising an electrode connecting member (221), and the electrode connecting member (221) being electrically connected to the electrode terminal (212); and a high-temperature-resistant insulating layer (23), which is at least partially disposed between the first wall (211) and the electrode connecting member (221), so as to insulate and isolate the first wall (211) from the electrode connecting member (221). The battery cell (20) reduces the risk of thermal runaway.
Resumen de: WO2025161383A1
A top cover structure and a battery, the top cover structure comprising: a cover plate (3), the cover plate (3) being made of an electrically conductive material; a first pole (4), located on a first surface (31) of the cover plate (3) and fixedly connected to the cover plate (3); a second pole (5), penetrating through the first surface (31) and a second surface (32) of the cover plate (3), and insulated from the cover plate (3); and a connecting block (6), located on the second surface (32) of the cover plate (3) and fixedly connected to the cover plate (3), the connecting block (6) being used to connect to a first tab (21) of a battery cell (2). In the described technical solution, the number of independent components that need to be configured is reduced, production and assembly processes of the components are simplified, and working efficiency is improved. Moreover, the number of independent components being reduced makes it more convenient to control the quality of each component, thereby facilitating management and control of the quality of the battery formed by subsequent assembly. Furthermore, the resistance of a transmission path is reduced, the internal resistance of the battery is reduced after the components are assembled to form the battery, and the working efficiency of the battery is improved.
Resumen de: WO2025161394A1
A battery pack upper cover, comprising: an upper cover body (1), the upper cover body (1) comprising a cavity structure (12) having an accommodating cavity (11), and an assembly lip plate (13) located at the edge of the cavity structure (12); and a metal plate frame (2) and/or reinforcing metal plate (3) mounted on an outer surface of the cavity structure (12), the metal plate frame (2) being provided with a metal plate lip plate (21) connected to the assembly lip plate (13), and the reinforcing metal plate (3) being provided with a second reinforcing surface (35) connected to the assembly lip plate (13). Further provided is a battery pack comprising the upper cover.
Resumen de: US2025253485A1
A power storage device includes: a power storage module including a first power storage stack and a second power storage stack that are disposed at a distance from each other in a Y direction; a case that accommodates the power storage module; a pressure relief valve; and a breathable membrane. The case includes an upper cover that covers the power storage module from above. The upper cover is provided with a recess that is recessed downward to a space between the first power storage stack and the second power storage stack. Each of the pressure relief valve and the breathable membrane is disposed in the recess.
Resumen de: US2025253498A1
This application provides a battery cell, a battery, and an electric apparatus. The battery cell includes an electrode assembly, a housing, and a current collecting member. The electrode assembly includes a first tab; the housing is configured to accommodate the electrode assembly; and the current collecting member is accommodated in the housing, the current collecting member is electrically connected to the first tab, and the current collecting member is connected to the housing by welding.
Resumen de: US2025253499A1
Disclosed is a battery. A packaging housing includes a main portion and a protruding portion. Along a first direction, the main portion includes a first end face, and the protruding portion is provided on the first end face. A first mounting cavity is provided in the main portion. A second mounting cavity in communication with the first mounting cavity is provided in the protruding portion. A projection of the protruding portion in the first direction is located in the first end face. A cell main body is arranged in the first mounting cavity. A tab assembly is connected to the cell main body and located in the second mounting cavity. A connecting assembly is disposed on the protruding portion and connected to the tab assembly. A projection of the connecting assembly in the first direction is located in the first end face.
Resumen de: US2025253741A1
A motor unit includes a housing, an electric motor arranged in the housing, a battery pack, a first plurality of holes defining a first hole pattern, a first power take-off shaft, a gearbox with a first gear train, and an external gearbox with a second gear train configured to receive torque from the first power take-off shaft. The external gearbox includes a second plurality of holes defining a second hole pattern, a second power take-off shaft receiving torque from the second gear train, and a third plurality of holes defining a third hole pattern that is identical to a fourth hole pattern on the piece of power equipment. When the external gearbox is coupled to the side of the housing and the piece of power equipment, the second power take-off shaft receives torque from the motor via the first gear train, first power take-off shaft, and second gear train.
Resumen de: US2025253505A1
A battery cell includes an electrode assembly in which a plurality of separators and a plurality of electrode plates including a plurality of electrode tabs are stacked in a first direction, a cell case accommodating the electrode assembly, a cap plate assembly covering an open end of the cell case and including an electrode terminal, and a current collector electrically connecting the plurality of electrode tabs and the electrode terminal. The plurality of electrode tabs include bent portions having a bend shape. The bent portions are arranged in a layered manner in the first direction. The current collector is welded to a plurality of the bent portions, while being disposed to face a second direction, intersecting the first direction.
Resumen de: US2025253345A1
A graphene oxide used as a raw material of a conductive additive for forming an active material layer with high electron conductivity with a small amount of a conductive additive is provided. A positive electrode for a nonaqueous secondary battery using the graphene oxide as a conductive additive is provided. The graphene oxide is used as a raw material of a conductive additive in a positive electrode for a nonaqueous secondary battery and, in the graphene oxide, the atomic ratio of oxygen to carbon is greater than or equal to 0.405.
Resumen de: US2025253342A1
An electrode plate includes a current collector and an active substance layer disposed on at least one surface of the current collector. The active substance layer includes an active substance and a polymer, and the active substance layer satisfies Formulas (1) to (3).λ=1-P1P2Formula(1)v=π×(d2)2×h×ρtFormula(2)v/λ>1.Formula(3)
Resumen de: US2025253337A1
The present invention pertains to a binder for Li-ion battery positive electrode, to a method of preparation of said electrode and to its use in a Li-ion battery. The invention also relates to the Li-ion batteries manufactured by incorporating said electrode.
Nº publicación: US2025253338A1 07/08/2025
Solicitante:
DAIKIN IND LTD [JP]
DAIKIN INDUSTRIES, LTD
Resumen de: US2025253338A1
The disclosure aims to provide a polytetrafluoroethylene for use in electrochemical device binders which enables formation of an electrode mixture sheet with high strength, and an electrochemical device binder, an electrode mixture, an electrode, and a secondary battery. Provided is a polytetrafluoroethylene for use in electrochemical device binders, the polytetrafluoroethylene having a number average molecular weight of 3.0×106 or more.
BOPI
Sede Electrónica
