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1718
resultados
Última actualización
03/10/2025 [07:23:00]
Resultados 1525 a 1550 de 1718
Resumen de: US2025293365A1
Presented are fiber-reinforced polymer (FRP) composite components with integrated polymer parts, methods for making/using such FRP composite components, and vehicles equipped with battery packs sealed inside FRP battery enclosures by integrated elastomeric seals. An FRP composite component, such as a rigid battery tray basin, includes a component body that is formed with a polymer matrix material, such as a fast-curing epoxy resin. A fiber preform, such as a multiaxial-fiber fabric sheet, is encapsulated within the component body and formed with a cluster of fibers bound together in a predefined formation. A polymer seal, such as an elastomeric bulb seal, includes a seal head and a mounting base. The seal's mounting base is stitched to the fiber preform and at least partially encapsulated within the component body. The seal head protrudes from the fiber preform and extends through an aperture in the component body.
Resumen de: US2025293538A1
A work machine includes first and second battery systems and a controller. The first and second battery systems each include one or more batteries, and a thermal management system. The controller is operatively connected to the first and second battery systems and configured to operate the work machine in a full operation mode powered by the first and second battery systems, and on condition of an indication of a fault in one of the first and second battery systems, change an operating mode of the work machine from the full operation mode to a fault operation mode powered by the other of the first and second battery systems. The full operation mode requires a first minimum amount of electrical power that is greater than a second minimum amount of electrical power required for the fault operation mode.
Resumen de: US2025293510A1
A power supply circuit is supplied power from a battery and supply power to a battery monitoring unit that monitors the condition of the battery. The power supply circuit includes: a fuse function unit, provided in a current path connecting the battery and the battery monitoring unit, that interrupts a current exceeding a predetermined current, a path resistor provided in the current path between the fuse function unit and the battery monitoring unit, and a formation circuit that forms a bypass path that allows the current exceeding the predetermined current to flow to the fuse function unit without passing through the path resistor when a short circuit occurs in a path through the path resistor.
Resumen de: WO2025192926A1
The present invention relates to a secondary battery pack. The present invention provides a secondary battery pack and a vehicle comprising the secondary battery pack, the secondary battery pack comprising: a first polarity tab and a second polarity tab connecting the secondary battery pack to an external circuit; a case in which a plurality of cylindrical secondary batteries are mounted; and a plurality of connection tabs sequentially connecting the plurality of cylindrical secondary batteries, mounted on the case, electrically so that a current flows from the first polarity tab to the second polarity tab through the plurality of cylindrical secondary batteries, wherein the plurality of connection tabs include a first connection tab connecting cylindrical secondary batteries that are in contact with each other among the plurality of cylindrical secondary batteries, and a second connection tab connecting cylindrical secondary batteries that are spaced a predetermined distance apart from each other among the plurality of cylindrical secondary batteries.
Resumen de: WO2025192867A1
The present invention relates to an electrode current collector, a manufacturing method thereof, and a secondary battery electrode assembly comprising same, wherein the electrode current collector is characterized by comprising: a first metal layer; a polymer resin layer provided on one surface of the first metal layer; and a second metal layer provided on one surface of the polymer resin layer, wherein the area of the polymer resin layer is smaller than the areas of the first metal layer and the second metal layer.
Resumen de: WO2025192922A1
Disclosed are a battery pack, a pack lid, and a vehicle including same, the battery pack comprising: a pack case; a plurality of battery modules embedded in the pack case and arranged to face each other; and a blocking unit protruding from one surface of the pack case toward the inner space of the pack case and formed at a point between the facing battery modules so as to block the propagation of flame or gas between the facing battery modules.
Resumen de: WO2025192861A1
The present invention relates to a pouch-type secondary battery folding device and a pouch-type secondary battery folding method using same, the pouch-type secondary battery folding device comprising: a first seating portion having a seating groove so that a cup portion of a battery case and a flat portion on one side of the battery case can be seated thereon; a second seating portion on which the other side of the battery case is seated; and a position adjustment portion for adjusting the width of the seating groove so that the width of the seating groove corresponds to the width of the cup portion.
Resumen de: WO2025189469A1
A battery cell, a battery pack, an electric device, and an energy storage device used in the technical field of batteries. The battery cell comprises a casing and at least two groups of bare cells. An accommodating cavity is formed in the casing; the at least two groups of bare cells are disposed in the accommodating cavity; each bare cell comprises at least two layers of electrode sheets; the at least two layers of electrode sheets are stacked in a thickness direction; the same group of bare cells are stacked in the thickness direction; and different groups of bare cells are spread in a plane perpendicular to the thickness direction. Different groups of bare cells are spread in the plane perpendicular to the thickness direction, thereby reducing the number of stacked bare cells, and the major surfaces of different groups of bare cells will not press each other, so that the swelling force of the major surfaces can be reduced, the breakage risk of the electrode sheets is reduced, and the service life of the battery cell is prolonged.
Resumen de: WO2025189578A1
A battery tray, a battery pack, and an electric device. The battery tray comprises a base plate (1) and at least two expansion beams (2) extending in a first direction, wherein the at least two expansion beams (2) are spaced apart on the base plate (1) in a second direction, with the first direction being perpendicular to the second direction; one of the expansion beams (2) at least comprises a first expansion portion (21) and a second expansion portion (22); a first mounting area (11) is formed between the first expansion portion (21) and another expansion beam (2); a second mounting area (12) is formed between the second expansion portion (22) and another expansion beam (2); and the widths of the first expansion portion (21) and the second expansion portion (22) are not equal in the second direction, such that the lengths of the first mounting area (11) and the second mounting area (12) are not equal in the second direction. The battery tray enables the same expansion beam (2) to limit battery cell groups (4) having different numbers of battery cells, thereby improving the versatility of the battery tray. Moreover, the expansion beams (2) can resist the expansion deformation of the battery cells (40).
Resumen de: WO2025189465A1
The present application relates to the technical field of batteries, and provides a battery cell, a battery, and an electric device. The battery cell comprises a casing, an electrode assembly, a fixing member, an electrode terminal, and a first insulating member. The casing comprises a wall portion. The electrode assembly is accommodated in the casing. The fixing member is connected to the wall portion, the fixing member comprises a fixing portion, and in the thickness direction of the wall portion, the fixing portion is arranged spaced apart from the wall portion. The electrode terminal is arranged on the wall portion, and the electrode terminal is electrically connected to the electrode assembly. The first insulating member comprises a first portion and a second portion and a third portion which are connected to the first portion, the first portion is arranged between the electrode terminal and the fixing member so as to insulate and isolate the electrode terminal from the fixing member, and in the thickness direction of the wall portion, the second portion is located between the fixing portion and the wall portion, and part of the electrode terminal is located between the third portion and the wall portion. In the thickness direction of the wall portion, the projection of the fixing portion does not overlap the projection of the electrode terminal, so as to save the space occupied by the fixing member in the thickness direction of the wall portion.
Resumen de: WO2025191582A1
A battery pack (100) comprising a battery module (200). The battery module (200) comprising a first cell module (300) and a second cell module (302). The first cell module (300) and the second cell module (302) being connected in a series configuration through a bus bar (206). the bus bar (206) being configured to connect the first cell module (300) and the second cell module (302) to form the battery module (200) and the battery module (200) being a high voltage battery module for providing shock proof assembly process of a high voltage battery module.
Resumen de: WO2025191587A1
A battery pack assembly (100) is disclosed. The battery pack assembly (100) comprises a plurality of cells (106), a holding unit (102) configured for accommodating and holding the plurality of cells (106), and one or more temperature regulating plate units (104-1, 104-2) configured with the holding unit (102). Each of the one or more temperature regulating plate units (104-1, 104-2) comprises at least one canal (108) configured on an inner surface (109) of the temperature regulating plate units (104-1, 104-2) to circulate a fluid for regulating temperature of the plurality of cells (106).
Resumen de: WO2025190419A1
A battery pack and a vehicle. The battery pack comprises a battery pack housing (1), a battery module (2), a BDU (4), a BMS master board (3) and a BMS slave board (5), wherein the battery pack housing (1) is internally provided with an accommodating cavity (10); the battery module (2) is placed in the accommodating cavity (10); a first electrical compartment (8) and a second electrical compartment (9) are respectively formed at two ends of the battery module (2); the BDU (4) and the BMS master board (3) are both arranged in the first electrical compartment (8), and the BDU (4) is electrically connected to the battery module (2); the BMS slave board (5) is arranged in the second electrical compartment (9), and the BMS slave board (5) is in signal communication with the BMS master board (3); and the battery module (2) comprises a plurality of battery cells (21), the plurality of battery cells (21) being arranged in a matrix and being configured to be connected in series by means of a busbar (6), and positive electrodes and negative electrodes of the battery cells (21) close to the inner side wall of the battery pack housing (1) all being arranged close to the center line of the accommodating cavity (10).
Resumen de: WO2025190370A1
A full-tab battery electrode sheet assembly, a full-tab battery jelly roll and a sodium-ion battery. The full-tab battery electrode sheet assembly comprises: a positive electrode sheet, which sequentially comprises a positive electrode coated area, a bonding area and a positive electrode blank area in the direction of width thereof, wherein the positive electrode coated area is coated with a positive electrode material, and the positive electrode blank area forms a positive electrode tab after being subjected to winding and flattening treatments; and a negative electrode sheet, which sequentially comprises a negative electrode coated area and a negative electrode blank area in the direction of width thereof, wherein the negative electrode coated area is coated with a negative electrode material, and the negative electrode blank area forms a negative electrode tab after being subjected to winding and flattening treatments. The flattening ratio of the positive electrode tab ranges from 60% to 73%, and the flattening ratio of the negative electrode tab ranges from 75% to 87%. The flattening ratio is obtained by means of dividing the difference between the width of a corresponding tab before flattening and the width of same after flattening by the width of same before flattening.
Resumen de: WO2025192359A1
A non-aqueous electrolyte secondary battery (10) is provided with: an electrode body (14); a non-aqueous electrolyte solution having, a non-aqueous solvent, and an electrolyte salt containing lithium; and an outer can (20) that accommodates the electrode body (14) and the non-aqueous electrolyte solution. The non-aqueous electrolyte secondary battery (10) is characterized in that: an annular groove (23) that is recessed inward in the radial direction of the outer can (20) is provided in a side surface portion (22) of the outer can (20); a non-aqueous solvent is present at a portion from an annular groove (23) in the inner surface of the outer can (20) to an opening end portion (24A); and the amount of lithium present per unit area of the portion from the annular groove 23 in the inner surface of the outer can (20) to the opening end portion (24A) is at most 0.03 μg/mm2.
Resumen de: WO2025192831A1
The present invention relates to an apparatus for manufacturing a secondary battery. An apparatus for manufacturing a secondary battery according to one aspect of the present invention is for manufacturing a secondary battery with a semi-assembly including a case having an accommodation space and an electrode assembly disposed in the accommodation space, and may comprise: a support part for supporting the semi-assembly; an injection part injecting an electrolyte into the accommodation space; and a first moving part relatively moving the semi-assembly and the injection part while the electrolyte is discharged from the injection part into the accommodation space.
Resumen de: WO2025192829A1
Disclosed are a battery system and a vehicle including same, the battery system comprising: a battery module; a pack case having the battery module installed therein; and resilient parts installed between the pack case and the battery module, pressing the battery module relative to the pack case, and the ends of which are supported by the pack case or the battery module through a cap made of a fire-resistant material.
Resumen de: WO2025192816A1
A battery module, and a battery pack and a vehicle including same are disclosed. The battery module according to an embodiment of the present invention comprises: a battery cell stack in which a plurality of battery cells are stacked; a module case housing the battery cell stack; and flame retardant pads disposed between the plurality of battery cells inside the module case, wherein the module case is provided with fracturing parts that facture when subjected to gas.
Resumen de: WO2025192823A1
Disclosed are a battery module, and a battery pack and a vehicle comprising same, the battery module comprising: a first battery cell; a second battery cell arranged to face and be in contact with the first battery cell; and a graphite sheet provided between the first battery cell and the second battery cell and the side surfaces of which are in surface contact with the respective facing side surfaces of the first battery cell and the second battery cell.
Resumen de: WO2025189579A1
Provided in the present application are a battery tab misalignment detection method and apparatus, and a battery electrode sheet winding system. The battery tab misalignment detection method comprises: winding a battery electrode sheet by means of using a reel. The method further comprises: for an Nth-layer electrode sheet segment wound on the reel (N being an integer greater than 0), during winding, acquiring an image to be subjected to detection of the current-layer electrode sheet segment, wherein said image comprises a battery tab region; determining a relative position relationship between a battery tab in said image and a reference part on the reel; and on the basis of the relative position relationship and the number of layers of the Nth-layer electrode sheet segment located on the reel, determining a misalignment amount of the battery tab when the wound electrode sheet is pressed into a cell.
Resumen de: WO2025189454A1
Disclosed in the present application are a battery cell (10), a battery (1) and an electrical apparatus. The battery cell (10) comprises a housing (11), electrode assemblies (12) and a gas discharge support (17). The housing (11) comprises a first wall (113). The electrode assemblies (12) are accommodated in the housing (11). The gas discharge support (17) is fixed on the side of the first wall (113) facing the electrode assemblies (12) and is used for abutting against the electrode assemblies (12) in the case of thermal runaway in the battery cell (10). The gas discharge support (17) is provided with first channels (171) which run through same in a first direction (x), the first direction (x) intersecting with the thickness direction (z) of the first wall (113). Each first channel (171) is arranged corresponding to one electrode assembly (12). The described configuration can reduce the risk of cracking or even explosion of the battery cell (10), thereby improving the use reliability of the battery cell (10).
Resumen de: WO2025189455A1
The present application is applicable to the technical field of batteries, and provides a battery cell, a battery and an electric device. The battery cell comprises a casing, an electrode assembly, an insulating component and a support component; the casing is provided with a first wall, a second wall and a pressure relief mechanism; the pressure relief mechanism is arranged on the first wall; a first exhaust channel is provided on the insulating component; the first exhaust channel communicates a first space with a second space; the support component is arranged in the casing and located between the first wall and the insulating component; a second exhaust channel is provided on the support component; and the second exhaust channel is used for communicating the first space with the second space, wherein the melting point of the support component is greater than that of the insulating component, the insulating component is provided with at least two planes which are connected to each other and arranged at an included angle, and the at least two planes define the second exhaust channel. According to the battery cell, the battery and the electric device provided by the present application, the risk of side weld cracking in the battery cell can be reduced, and the use safety of the battery cell is improved.
Resumen de: WO2025190265A1
The present application relates to the technical field of batteries, and discloses an electrode material, a positive electrode material for a lithium battery, a lithium battery, and an electric device. The electrode material has the following chemical general formula: LixTMyO4-zFz, wherein 2.5≤x+y≤4, 0≤z≤1, and TM comprises one or more transition metals having redox activity. The number of cations in the electrode material provided by the present disclosure is less than the number of anions, and a long-range disordered and locally ordered composite structural electrode material is further formed; and the electrochemical performance of a disordered rock salt material can be significantly improved by means of a locally ordered unit, thereby increasing the lithium ion transmission rate, and improving the capacity and rate capability of the obtained electrode material. Additionally, the introduction of the locally ordered unit can also achieve the reduction of lithium ion migration barrier, thus effectively connecting a percolation network where lithium ions mitigate in a path of octahedron-tetrahedron-octahedron, and increasing the lithium ion migration rate to achieve the effect comparable to that after high-energy ball milling treatment.
Resumen de: WO2025190372A1
A full-tab battery jelly roll and a sodium-ion battery. The full-tab battery jelly roll comprises a main body and tabs extending from the main body, wherein a tab distance is formed between the outer edge of each tab and a reference surface, wherein first flatness of the tabs is less than 0.1 mm, and the first flatness is the difference between a maximum value of the tab distance and an average value of the tab distance.
Nº publicación: WO2025190270A1 18/09/2025
Solicitante:
BEIJING ZITIAO NETWORK TECHNOLOGY CO LTD [CN]
\u5317\u4EAC\u5B57\u8DF3\u7F51\u7EDC\u6280\u672F\u6709\u9650\u516C\u53F8
Resumen de: WO2025190270A1
The present disclosure provides a battery and an electronic device. The battery comprises: at least one negative electrode current collector, wherein the at least one negative electrode current collector has a first surface and a second surface; and a plurality of coating areas, located on the surfaces of the at least one negative electrode current collector, wherein the impedance of at least two coating areas among the plurality of coating areas is different and satisfies that: the impedance of at least one coating area located on the first surface is different from the impedance of at least one coating area located on the second surface. The present disclosure can balance the energy density and the electric conduction speed of the battery, and improve the battery capacity of a large-power-consumption device.
BOPI
Sede Electrónica
