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1452
resultados
Última actualización
04/05/2025 [07:15:00]
Resultados 150 a 175 de 1452
Resumen de: AU2023360479A1
A Battery Management System (BMS) configured to control a discharge current of a battery is provided. The BMS is configured to calculate a discharge energy of the battery for a timestep based on the discharge current and the duration of the timestep, and to calculate an accumulated discharge energy of the battery based on an accumulated discharge energy calculated for a preceding timestep and the discharge energy for the timestep. The BMS is further configured to determine a maximum discharge pulse current, calculate a discharge current limit, and control the discharge current of the battery such that the discharge current does not exceed the discharge current limit. The BMS can control a charge current of a battery in similar fashion.
Resumen de: US2025140989A1
Provided is an insulation pad for preventing heat transfer including a first thermal protection layer composed of an inorganic material, a second thermal protection layer spaced apart from the first thermal protection layer and composed of an inorganic material, and a thermal insulation layer disposed between the first and second thermal protection layers, and including aerogel particles, a binder material, a nanofiber, a surfactant, and a pigment material.
Resumen de: US2025140986A1
A battery system includes multiple battery cells each having a cell vent configured to vent flames originating from the battery cell in the event of a thermal runaway condition of the battery cell, and an insulator disposed adjacent a first battery cell, wherein the insulator comprises a hinged element configured to align with the cell vent of the first battery cell. In a closed position, the hinged element provides insulation for the first battery cell, and in an open position, the hinged element provides a vent to enable flames venting from the cell vent of the first battery cell to escape from between the insulator and the first battery cell to thereby inhibit the flames venting from the cell vent of the first battery cell from reaching a second battery cell.
Resumen de: US2025140982A1
This application discloses a battery module and a battery pack. The battery module includes a cell assembly and a tray. The cell assembly includes a plurality of cell sub groups. The plurality of cell groups are arranged at intervals along a first direction. Each of the cell sub groups includes a plurality of cells. In any one of the cell sub groups, the plurality of cells are arranged at intervals along a second direction. The tray includes a plurality of cell accommodating grooves arranged at intervals along the first direction. A coolant flow channel is arranged in a side wall of each of the cell accommodating grooves, and one of the cell accommodating grooves is disposed corresponding to one of the cell sub groups.
Resumen de: US2025140985A1
An electric work vehicle includes a battery housing including a first battery housing portion and an air cooling system. The air cooling system includes a first warm air path and a second warm air path, the air cooling system includes a first evaporator and a second evaporator, the first warm air path fluidly connects the first battery housing portion to the first evaporator to exhaust first warm air from the first battery housing portion to the first evaporator, and the second warm air path fluidly connects the first battery housing portion to the second evaporator to exhaust second warm air from the first battery housing portion to the second evaporator.
Resumen de: US2025140983A1
An electric work vehicle includes a battery housing and a plurality of ducts. The battery housing includes a plurality of battery housing module compartments to house a plurality of battery modules, and each of the plurality of ducts is attached to a respective one of the plurality of battery housing module compartments.
Resumen de: US2025140991A1
In some embodiments, the battery cell includes a shell, including an opening; an electrode unit, accommodated in the shell, the electrode unit including a main body portion and a tab portion protruding from the main body portion; a cap assembly, for connecting with the shell, and covering and closing the opening; and a first insulating member, accommodated in the shell and adapted to isolate at least part of the main body portion from the shell, the first insulating member including a first insulating plate, and the first insulating plate being disposed on a side of the main body portion facing the cap assembly and being attached to the main body portion. The first insulating member can insulate at least part of the main body portion from the shell.
Resumen de: US2025140781A1
Aspects of the disclosure include an electrode calendering system having an electrode foil wrinkle remover band and a process for manufacturing electrodes using the same. An exemplary system includes a top roll press and a bottom roll press separated from the top roll press by a gap. The gap includes a distance selected to accommodate a current collector having a bare portion and a coated portion having thereon an active electrode material of a first thickness. The system further includes a wrinkle remover band having a second thickness selected, based on the first thickness, to evenly distribute stress across the bare portion and the coated portion of the current collector during a calendering process for forming a pressed electrode.
Resumen de: US2025140775A1
A method for manufacturing a battery cell includes coating a three dimensional current collector (3DCC) with a lithiophilic metal oxide layer; and one of laminating the 3DCC with the lithiophilic metal oxide layer between a first lithium metal layer and a second lithium metal layer to create an anode electrode; and coating the 3DCC with the lithiophilic metal oxide layer with molten lithium to create an anode electrode.
Resumen de: US2025140778A1
This application provides a positive electrode plate and a preparation method thereof, an electrode assembly, a battery cell, and a battery and pertains to the field of battery technologies. The method for preparing a positive electrode plate includes: providing an adhesive liquid on at least one surface of at least partial to-be-bent position of a positive electrode current collector and curing it to form an adhesive layer, and forming a positive electrode active material layer on at least one surface of the positive electrode current collector having the adhesive layer. The adhesive liquid is first provided on at least one surface of the to-be-bent position of the positive electrode current collector and cured to form the adhesive layer, and then the positive electrode active material layer is formed.
Resumen de: US2025140784A1
A current collector includes a support layer and a first conductive layer and a second conductive layer that are disposed on two sides of the support layer in a thickness direction of the current collector. The current collector is divided into a first blank foil section and a coated section disposed in sequence in a second direction. A first active material layer is located on the coated section and disposed on a surface of the first conductive layer, the surface being oriented away from the support layer. A second active material layer is located on the coated section and disposed on a surface of the second conductive layer, the surface being oriented away from the support layer. Along the thickness direction of the current collector, a part of a projection of the first active material layer does not coincide with a projection of the second active material layer.
Resumen de: AU2023359700A1
A self-checking-based fire-fighting air intake and discharge control system, which is applied to measure a combustible gas in an energy storage container (40). The fire-fighting air intake and discharge control system comprises: a gas measurement module (11), which is used for measuring the concentration of a combustible gas in an energy storage container (40); an air intake and discharge module (12), which is used for controlling the circulation of the gas in the energy storage container (40); and a control module (10), which is used for controlling the operation of the gas measurement module (11) and the operation of the air intake and discharge module (12), and controlling, when the concentration of the combustible gas exceeds a preset concentration threshold value, the air intake and discharge module (12) to discharge the combustible gas. The fire-fighting air intake and discharge control system can automatically detect a fault problem of the system and feed back same in a timely manner, and can also measure multiple environmental factors; and the system regularly performs self-checking, and stores and uploads data, and an operation and maintenance person can retrieve operation data, predetermines an on-site operation situation, and maintains the system and a device.
Resumen de: AU2023340203A1
Provided are a pole, an upper cover assembly, an electrical adapter, a battery cell, and a battery pack, mainly solving the problem of heat dissipation of batteries. A through groove is formed in the pole and the electrical adapter so as to mount a heat transfer tube, so that the temperatures of the pole, the electrical adapter and the battery can be effectively controlled after being transmitted by means of the heat transfer tube.
Resumen de: US2025140937A1
A battery includes: a housing having a cavity; a battery cell arranged in the cavity, the battery cell including a positive electrode plate, a negative electrode plate, and a separator; and an electrolyte solution filled in the battery cell including fluoroethylene carbonate. A width of the separator is greater than that of the positive and the negative electrode plate. The battery satisfies following relationship: C≥B/20A+1, where a content of fluoroethylene carbonate in the electrolyte solution is C %, A represents a distance between an edge of the separator and that of an electrode plate on the same side, and B represents a height of the cavity. When the foregoing relationship is satisfied, deterioration of performance of the battery cell caused by insufficient electrolyte solution may be alleviated, thereby improving a value of a self-discharge coefficient k and cycling performance of the battery.
Resumen de: US2025140938A1
Provided is a zinc battery having a positive electrode, a negative electrode, an electrolytic solution, and a separator, in which the negative electrode has a negative electrode current collector and a negative electrode material supported by the negative electrode current collector, the negative electrode material contains a polyvinyl alcohol and a negative electrode active material containing zinc, and the separator has a first separator including a porous membrane and a second separator including a nonwoven fabric.
Resumen de: US2025140899A1
A battery includes a cathode compartment, a catholyte solution disposed within the cathode compartment, an anode compartment, an anolyte solution disposed within the anode compartment, a separator disposed between the cathode compartment and the anode compartment, and a flow system configured to provide fluid circulation in the cathode compartment and the anode compartment. The catholyte solution and the anolyte solution have different compositions.
Resumen de: US2025140918A1
Proposed is a polymer for a gel-type polymer electrolyte of a secondary battery, in which the polymer is PMVEMA-GMA, which is a polymer obtained by polymerizing (methylvinylether-alt-maleic acid) (PMVEMA) and glycidyl methacrylate (GMA). A gel-type polymer electrolyte including the polymer as a matrix, and a lithium secondary battery including the gel-type polymer electrolyte are also proposed. The polymer of the present disclosure complements a limitation of a liquid electrolyte such as leakage and has a higher ion conductivity than a solid electrolyte. Aside from the advantages, the gel-type polymer electrolyte according to the present disclosure has a higher ion conductivity than a conventional gel-type polymer electrolyte that is based on poly(methylvinylether-alt-maleic acid) (PMVEMA) added with lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) because it can be dissolved well in highly volatile tetrahydrofuran (THF) and thus can be dried at a low temperature.
Resumen de: US2025140935A1
A system for manufacturing a lithium ion secondary battery includes an unwinder supplying a current collector to be coated to a predetermined position, a coating device coating a coating liquid on the current collector, a drying device drying the coated current collector, and a rewinder winding the coated current collector passing through the drying device at a predetermined position.
Resumen de: US2025140808A1
A negative electrode active material contains negative electrode active material particles, in which the negative electrode active material particles contain silicon oxide particles coated with a carbon layer, and the carbon layer has a peak position attributed to a G band in a range of more than 1590 cm−1 and 1597 cm−1 or less in a Raman spectrum obtained from Raman spectrometry for at least a part of the carbon layer. This can provide the negative electrode active material capable of improving cycle characteristics when used as the negative electrode active material of a secondary battery.
Resumen de: US2025140776A1
A method of manufacturing an alkali metal coated current collector for a battery, the method includes melting the alkali metal, removing impurities floating on the surface of the melted alkali metal; applying the purified melted alkali metal to the surface of at least one side of a passing current collector substrate to form a coating on the current collector substrate. A system for manufacturing an alkali metal coated current collector for a battery includes at least one extruder having a melt chamber, an inlet extending to the melt chamber, at least one feed roller in the inlet for feeding alkali metal introduced into the inlet to the melt chamber; a heater for melting alkali metal in the melt chamber; an opening in the chamber for removing impurities floating on the melted alkali metal in the melt chamber; an outlet extending from the melt chamber to a dispensing opening; a reservoir for receiving melted alkali metal; and at least one drive roller for driving a current collector substrate past the reservoir to receive a coating of melted alkali metal.
Resumen de: US2025140486A1
Compositions comprising fused aromatic systems and associated electrodes, electrochemical cells, and charge storage devices are generally described. Preferably, the aromatic comprising a bis-tetraamino-benzoquinone molecule and/or a tautomer, oligomer, and/or polymer thereof. Alternatively, the aromatic composition comprises an active material comprising a fused aromatic system comprising carbon atoms, hydrogen atoms, and a plurality of heteroatoms each replacing a carbon atom.
Resumen de: US2025139036A1
A daisy chain communication system and method, and a battery management system are provided. The daisy chain includes a first slave controller and a plurality of second slave controllers, and a master controller transmits command information to the plurality of second slave controllers through the first slave controller. The daisy chain responses to the command information. A network response period is divided into a plurality of sub phases. The second slave controller transmits transmission data with a consistent data length to a slave controller of an upstream node cascaded therewith at each sub phase; the first slave controller transmits the transmission data from the second slave controller cascaded therewith at each sub phase to the master controller. In the present disclosure, a data length transmitted by each slave controller is consistent, so that equalization of power consumption between corresponding battery modules that supply power to each slave controller is achieved.
Resumen de: US2025142795A1
A layer of the mixture that contains polymer and conductive particles is applied over a first surface, when the mixture has a first viscosity that allows the conductive particles to rearrange within the layer. An electric field is applied over the layer, so that a number of the conductive particles are aligned with the field and thereafter the viscosity of the layer is changed to a second, higher viscosity, in order to mechanically stabilise the layer. This leads to a stable layer with enhanced and anisotropic conductivity.
Resumen de: US2025140895A1
This application relates to a lithium-ion battery, a battery, and an electric apparatus. The lithium-ion battery includes an electrolyte and a positive electrode plate. The electrolyte includes lithium salt, the lithium salt includes lithium hexafluorophosphate, and a mass proportion of the lithium hexafluorophosphate relative to a total mass of the electrolyte is 15% to 20%. The positive electrode plate includes a positive electrode current collector and a positive electrode film layer disposed on at least one side of the positive electrode current collector and containing a positive electrode active material. This application can improve cycling performance of the lithium-ion battery.
Nº publicación: US2025140917A1 01/05/2025
Solicitante:
CYNTEC CO LTD [TW]
NATIONAL TSING HUA UNIV [TW]
Cyntec Co., Ltd,
National Tsing Hua University
Resumen de: US2025140917A1
A solid-state electrolyte of a lithium-ion battery is provided. The lithium-ion battery has a negative electrode including a lithium-containing material in contact with the solid-state electrolyte. The solid-state electrolyte includes a multiple-doping material with a chemical formula of LixTiyMm(PO4)3, wherein 0.8≤x≤1.5, 0
BOPI
Sede Electrónica
