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1804
resultados
Última actualización
23/06/2025 [13:16:00]
Resultados 1025 a 1050 de 1804
Resumen de: US2025192168A1
The present invention relates to an electrode material consisting of a lithium-rich manganese rich oxide compound doped with copper particularly useful as cathode material in lithium-ion batteries of formula (I)LiaMa′MnbNixCoyCuzO2 (I)wherein:M is selected from Na, Li, K and mixtures thereof;1.05≤a+a′≤1.3;0.55≤b≤0.70;0.15≤x≤0.30;0.025≤y≤0.125;and0.05
Resumen de: US2025192219A1
A nonaqueous secondary battery having low nonaqueous electrolyte solution volatility and high ionic conductivity, even when using a nonaqueous electrolyte solution comprising acetonitrile and a polypropylene-based separator having a specific porous structure, is provided.A nonaqueous secondary battery comprising a positive electrode containing one or more positive electrode active materials capable of occluding and releasing lithium ions, a negative electrode containing a material capable of occluding and releasing lithium ions, a nonaqueous electrolyte solution, and a separator.
Resumen de: US2025192245A1
A modular battery pack arrangement has a master battery pack arranged in a master battery pack housing, and a battery disconnection unit configured to disconnect the master battery pack from a load and/or a power source; one or more slave battery packs arranged in a corresponding slave battery pack housing physically separated from the master battery pack housing. The one or more slave battery packs share the battery disconnection unit with the master battery pack.
Resumen de: US2025192243A1
Disclosed are an electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the same, the electrode including a current collector, an electrode active material layer on the current collector, and a functional layer, wherein the functional layer includes a lithium-containing polyoxazoline.
Resumen de: US2025192258A1
Methods, materials, and devices that pertain to recycling liquefied gas electrolyte, recovering battery salt from spent battery materials and fire-extinguishing electrolytes for batteries are disclosed. In some embodiments of the disclosed technology, a device includes a first battery module including a first liquefied gas electrolyte, a second battery module structured to store a second liquefied gas electrolyte, a temperature controller configured to separately control a first temperature of the first battery module and a second temperature of the second battery module to evaporate the first liquefied gas electrolyte into a gas electrolyte and liquefy the gas into the second liquefied gas electrolyte, and a flow channel coupled between the first battery module and the second battery module to convey the gas electrolyte from the first battery module to the second battery module. For salt recycling technology, the salt from the spent battery materials is solvated using Me2O under its vapor pressure and thus formed salt solution is separated. The salt from the recovered feed solution is extracted using heating/vacuum technology.
Resumen de: US2025192326A1
A battery assembly including a housing sized to be replaceably installed within a battery assembly compartment of an electric vehicle. Where a plurality of battery modules are disposed within the housing. The battery assembly includes a battery module charging assembly electrically coupled with a negative module terminal and a positive module terminal of each of the plurality of battery modules and disposed within the battery assembly housing. The battery module charging assembly includes a power supply plug configured to deliver electrical energy from the plurality of battery modules to the electric vehicle, a power charging port configured to be coupled with and receive electrical energy from a power source for charging the plurality of battery modules. The charging assembly further includes control circuitry configured to control charging operations of the battery assembly and a switch configured to connect the plurality of battery modules in parallel or series.
Resumen de: US2025192379A1
A method of assembling a battery pack includes inserting a guide within a slot of a slotted assembly; guiding one or more terminals into the slot using the guide; and withdrawing the guide from the slot while the one or more terminals remain in the slot. A traction battery pack assembly includes a terminal guide; and an actuator assembly that rotates the terminal guide back and forth between a guiding position and a withdrawn position. The terminal guide is at least partially disposed within a slot of a slotted assembly when in the guiding position such that the terminal guide can guide insertion of one or more terminals into the slot. The terminal guide is withdrawn from the slot when in the withdrawn position.
Resumen de: US2025192380A1
A rechargeable battery module is provided. The rechargeable battery module includes a cell holder accommodating a plurality of battery cells, a busbar holder disposed above the battery cells, and busbars that is insert injection-molded into the busbar holder and protrude from the busbar holder. The bus bars are welded to negative electrode terminals and positive electrode terminals of the battery cells.
Resumen de: US2025192288A1
The present invention relates to a pouch film for a secondary battery including graphene, and more specifically to a pouch film for a secondary battery that uses a graphene material with high strength and good heat resistance, thus being applicable to flexible batteries and thin film batteries. Due to the presence of graphene, the pouch film of the present invention has high rigidity against external impacts, possesses good heat resistance to ensure stability against heat generated in the battery, and is bendable and restorable enough to be applicable to flexible batteries and thin film batteries.
Resumen de: US2025192376A1
The present disclosure relates to a battery module including a busbar structure for adhesion with an electrode lead. The battery module can include a battery cell stack having a plurality of stacked battery cells, electrode leads protruding from the battery cell stack, a busbar electrically connected to the electrode leads, and a busbar frame on which the busbar is mounted. The busbar can be formed of a tongs part and a fixing part for connecting and fixing the tongs part. The electrode leads can be mounted between the tongs part of the busbar. The battery module can be manufactured through the steps of mounting a busbar in an opening part of a busbar frame, inserting an electrode lead between the tongs part of the busbar, closely adhering the busbar and the electrode lead through a jig, and removing the jig.
Resumen de: US2025192361A1
In the preparation of polypropylene for a dry separator of a secondary battery, disclosed is a method for preparing polypropylene for a separator of a secondary battery, having improved flowability of a resin while maximizing mechanical and thermal properties, compared to typical materials. The present invention provides a method for preparing polypropylene for a separator of a secondary battery by subjecting, in the presence of a Ziegler-Natta catalyst, propylene monomers to a polymerization reaction, wherein the propylene monomer polymerization reaction includes a) obtaining a high molecular weight polypropylene having a weight average molecular weight of 450,000 to 650,000 g/mol in a first reactor, and b) obtaining a low molecular weight polypropylene having a weight average molecular weight of 150,000 to 300,000 g/mol in a second reactor, and the molar ratio of a co-catalyst and an electron donor added in step a) is adjusted to 2 to 25, thereby preparing the polypropylene for a separator of a secondary battery.
Resumen de: US2025192218A1
The technique disclosed herein relates to a method for manufacturing a secondary battery, and includes an assembly producing step for producing an assembly in which an electrical collector terminal and an electrode assembly are connected, an electrode assembly accommodating step for accommodating the electrode assembly in an inside of a shrink pack that includes an upper opening and that is formed in a bag shape, an electrolytic solution liquid injection step for injecting an electrolytic solution to the inside of the shrink pack, an electrolytic solution osmosing step for making the electrolytic solution osmose to an inside of the electrode assembly, and a shrink pack heat-shrinking step for making the shrink pack be subjected to a heat shrink.
Resumen de: US2025192178A1
An all-solid-state battery includes a negative electrode current collector, a negative electrode layer disposed on the negative electrode current collector, a solid electrolyte layer disposed on the negative electrode layer, a positive electrode layer disposed on the solid electrolyte layer, a positive electrode current collector disposed on the positive electrode layer, and a binder having a polar functional group.
Resumen de: US2025192175A1
One embodiment provides a negative active material for lithium secondary battery, comprising:a first coke with a Total Fibrosity Index (TFI) of 0.70 to 0.85 and a second coke with a Total Fibrosity Index (TFI) of 0.01 to 0.60 at a weight ratio of 4:1 to 50:1, and wherein, a lithium secondary battery containing the negative active material has an average voltage value of −0.16 V or more at the 40% of SOC (State of Charge), based on the entire battery charge capacity of 100%. Lithium secondary batteries containing the negative active material have excellent charge/discharge and rate characteristics.
Resumen de: US2025192148A1
Provided is a positive-electrode active material for a lithium-ion secondary battery able to achieve an even higher capacity, improved cycle characteristics and discharge characteristics, and a low cost.The positive-electrode active material 11 for a lithium-ion secondary battery has a fluoride layer 11b which coats at least part of a core particle 11a and is formed of fluoride of the lithium metal composite oxide. The lithium metal composite oxide of the core particle 11a is represented by LiNikColMnmO2 (k+1+m=1, k≥0.6). In addition, the fluoride of the lithium metal composite oxide of the fluoride layer 11b is represented by Li1-zNikColMnmO2-xFx (k+1+m=1, k≥0.6, z≤0.62, 0
Resumen de: US2025191853A1
A composition incorporating activated carbon, an electro-stabilizing agent and/or a wettability enhancing agent. Methods of producing conductive activated carbon including a step of combining activated carbon with an electro-stabilizing agent and/or a wettability enhancing agent to form an activated carbon mixture; and exposing the activated carbon mixture to a sweeping gas at an elevated temperature. The electro-stabilizing agent can be copper. The wettability enhancing agent can be aluminum.
Resumen de: US2025192239A1
In accordance with at least selected embodiments, the present application or invention is directed to novel or improved porous membranes or substrates, separator membranes, separators, composites, electrochemical devices, batteries, methods of making such membranes or substrates, separators, and/or batteries, and/or methods of using such membranes or substrates, separators and/or batteries. In accordance with at least certain embodiments, the present application is directed to novel or improved porous membranes having a coating layer, battery separator membranes having a coating layer, separators, energy storage devices, batteries, including lead acid batteries including such separators, methods of making such membranes, separators, and/or batteries, and/or methods of using such membranes, separators and/or batteries. The disclosed separators and/or batteries have improved charge acceptance, improved surface conductivity, improved oxidation resistance, reduced acid stratification, improved resistance to metal contamination induced oxidation, reduced black residue, improved wettability, and/or improved stiffness.
Resumen de: US2025192275A1
A battery top cover, a battery, and an electrical apparatus are disclosed. The battery top cover has a flow channel area and a non-flow channel area, the flow channel area is used to accommodate a fluid for adjusting the temperature of a battery cell, and the non-flow channel area is structured not to accommodate a fluid; the battery top cover comprises: a first heat exchange member; and a second heat exchange member comprising a first heat exchange sub-member and a second heat exchange sub-member connected to each other, the first heat exchange sub-member being recessed relative to the second heat exchange sub-member in a direction facing away from the first heat exchange member, the flow channel area being formed between the first heat exchange sub-member and the first heat exchange member, and the non-flow channel area being formed between the second heat exchange sub-member and the first heat exchange member.
Resumen de: US2025192338A1
A battery pack venting system includes an enclosure assembly having an enclosure wall, and an enclosure support beam assembly secured directly to the enclosure wall. The enclosure support beam assembly provides a venting channel that extends along the enclosure wall. One or more cell stacks are disposed within the enclosure assembly. The enclosure support beam assembly is disposed between the enclosure wall and the one or more cell stacks. At least one battery pack vent is configured to communicate vent byproducts from the venting channel to an area outside the enclosure assembly.
Resumen de: US2025192236A1
Disclosed are a method of manufacturing a composite anode for a lithium ion battery and a composite anode for a lithium ion battery manufactured thereby. According to the method provide herein, since a metal catalyst precursor is reduced using Joule heating to obtain a carbon-metal catalyst composite layer, composite anode for a lithium ion battery having a large area in a short period of time can be provided, which is excellent in terms of economic feasibility. Further, since it is possible to manufacture a composite anode for a lithium ion battery with the improved lithium electrodeposition density and reversibility of lithium ions, a composite anode for a lithium ion battery having high capacity and improved life stability can be obtained.
Resumen de: US2025192311A1
A battery pack attachment assembly includes a battery pack bracket of an attachment assembly that secures a battery pack to a frame member of a vehicle. The battery pack bracket is removably secured to a battery pack. The battery pack bracket includes a flange that is received within a pocket when the battery pack is secured to the frame member with the attachment assembly.
Resumen de: US2025192234A1
In this non-aqueous electrolyte secondary battery: a non-aqueous electrolytic solution includes a cyclic carbonate and a linear carbonate in a 3:7 to 6:4 volume ratio; a positive electrode mixture layer includes first lithium metal composite oxide particles being non-aggregated particles having a median diameter of 2 to 10 μm on a volume basis and second lithium metal composite oxide particles being secondary particles having a median diameter of 10 to 30 μm on a volume basis and formed by the aggregation of primary particles having an average particle diameter of 50 nm to 2 μm; when the positive electrode mixture layer is divided into two equal regions in the thickness direction and the regions are defined as a first region and a second region sequentially from the surface side, the content of the first lithium metal composite oxide particles is higher in the first region than in the second region.
Resumen de: US2025192310A1
Structural cross-member assemblies are provided for use within traction battery packs. An exemplary traction battery pack may include a cell stack including a plurality of battery cells arranged between a first cross-member assembly and a second cross-member assembly. Each cross-member assembly of the cell stack may include a ladder frame and one or more reinforcement beams mounted to the ladder frame. Each reinforcement beam may be a pultrusion. The pultrusion may be configured to enable the cross-member assembly to react against both tensile loads and compressive loads that act on the cell stack.
Resumen de: US2025192388A1
A secondary battery including two or more electrode assemblies including two or more first electrode plates, two or more second electrode plates, and separators between the first electrode plates and the second electrode plates; a case accommodating the electrode assembly; two or more first current collecting plates electrically connected to the first electrode plate; two or more second current collecting plates electrically connected to the second electrode plate; and a cap assembly including a first terminal portion and a second terminal portion electrically connected to the first current collecting plates and the second current collecting plates, respectively, and a cap plate coupled to the case.Because two or more electrode assemblies and a current collecting plate electrically connected to each electrode assembly are provided, the weldability of the electrode assembly may be improved. Accordingly, a secondary battery having high capacity and high density may be provided.
Nº publicación: US2025192309A1 12/06/2025
Solicitante:
FORD GLOBAL TECH LLC [US]
FORD GLOBAL TECHNOLOGIES, LLC
Resumen de: US2025192309A1
Traction battery packs are provided that include a multi-tiered battery system. An exemplary battery system may include a plurality of cell stacks, with each cell stack including an end plate. Each end plate may include features designed to allow it to interlock/interconnect/mesh/nest with the end plates of one or more adjacent cell stacks within the battery system to provide a space efficient design. Moreover, the end plates of upper and lower tiered cell stacks may cooperate to establish a mid-plate assembly of the battery system.
BOPI
Sede Electrónica
