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1807
resultados
Última actualización
12/05/2025 [07:18:00]
Resultados 1050 a 1075 de 1807
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: 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: 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: US2025135945A1
In some implementations, a device may include a cell arrangement that stores energy for operating an energy storage system. In addition, the device may include a display that is positioned at the battery and configured to receive service information from the management system and to display the service information that relates to the cell arrangement such that at least one of a serviceability and condition of the battery is decipherable by viewing the display.
Resumen de: US2025138612A1
A battery module communication processing apparatus includes a connector configured to connect to and receive data from a communication port of a battery module, and a processor configured to establish communication of the battery module by determining a communication protocol of the battery module based on a number of pins of the connector connected to the communication port and the data of the battery module transmitted through the connector.
Resumen de: US2025135842A1
A heat pump system of an electric vehicle includes a compressor, a battery cooling passage, an outdoor heat exchange passage, an electric drive system cooling passage and a heat exchange device. The battery cooling passage and the outdoor heat exchange passage are connected in series or in parallel between an inlet pipe of the compressor and an outlet pipe of the compressor, a first heat sink is arranged on the outdoor heat exchange passage, a second heat sink is arranged on the electric drive system cooling passage, and the heat exchange device is connected between the outdoor heat exchange passage and the electric drive system cooling passage to exchange heat.
Resumen de: US2025135935A1
A charging system includes a work machine. The work machine includes a battery system. The charging system also includes a transport vehicle adapted to transport the work machine. The work machine is positioned on the transport vehicle for transportation thereof. The transport vehicle includes a fuel cell system. The fuel cell system of the transport vehicle provides operating power to the transport vehicle for propelling the transport vehicle. The fuel cell system further provides an electric power supply to the battery system of the work machine for charging the battery system.
Resumen de: US2025135677A1
A notching system for an electrode sheet coated with slurry on a surface of a collector includes: an electrode unwinder from which the electrode sheet is unwound; a film unwinder from which a protective film stacked on the electrode sheet is unwound; a notching device configured to notch a non-coating portion, which is a portion that is not coated with the slurry on the electrode sheet, when provided in the state in which the protective film is stacked on the electrode sheet; and a rewinder configured to wind the notched electrode sheet.Accordingly, the problem such as the cutting and tearing of the electrode sheet and the problem of causing the scratches due to the separation of the graphite powder from the surface of the electrode sheet may be solved.
Resumen de: US2025137900A1
Disclosed herein is a sensing system that comprises a sensor positioned inside an enclosure of a battery pack, a fan positioned in a vicinity of the sensor, a plurality of tubes each connected between the fan and the battery pack, and a control unit connected to the fan and the sensor. The control unit is configured to control the fan to pull, through the plurality of tubes, gases and/or particulates generated in the battery pack, and control the fan to throw the pulled gases and/or particulates onto the sensor. The sensor is configured to detect a change in one or more physical stimuli associated with the battery pack based on the pulled gases and/or particulates. Thereafter, the control unit is configured to detect an occurrence of a thermal runaway event in the battery pack based on the detected change in the one or more physical stimuli.
Resumen de: US2025140845A1
Disclosed is a lithium secondary battery including: a positive electrode; a negative electrode; and an electrolyte, wherein the positive electrode comprises a positive electrode active material layer comprising a positive electrode active material layer composition, wherein the negative electrode comprises a negative electrode active material layer comprising a negative electrode active material layer composition, wherein the positive electrode active material layer composition comprises a positive electrode active material comprising a layered active material containing nickel, and an olivine-based active material, wherein the negative electrode active material layer composition comprises a negative electrode active material comprising a silicon-based active material, and wherein a part by weight of the olivine-based active material (A) based on 100 parts by weight of the positive electrode active material, and a part by weight of the silicon-based active material (B) based on 100 parts by weight of the negative electrode active material satisfy Formulas 1 and 2:4.524+0.939×e0.0537×A
Resumen de: US2025140851A1
A positive electrode active material includes a lithium-iron composite fluoride as a principal component,the lithium-iron composite fluoride being represented by Formula (1) below,LixFeF(3+x) (1)where, x is a number satisfying 0.5
Resumen de: US2025140838A1
A positive electrode active material includes a positive electrode active material particle that has a composition expressed as LixNiaCobMncMdOy, a sphericity standard deviation (Z) of the positive electrode active material particle satisfying Z≥0.018 (in the composition, 0.1≤x≤1.5, 0.5≤a≤1.0, 0≤b≤0.3, 0≤c≤0.3, 0≤d≤0.1, a+b+c+d=1.0, 1.5≤y≤2.1 are satisfied, and the M expresses at least one kind of element that is selected from the group consisting of B, Nb, W, Sr, Pr, La, Ba, Mg, Al, Zr, Sc, Ti, Y, Hf, and Sn).
Resumen de: US2025141289A1
A pump comprises a stator and a rotor, wherein the rotor has a rotor body and a rotor block, and is rotatably mounted around an axis of rotation. The rotor block has a metallic rotor core and magnets. The rotor core has several holes in a cross section. The rotor core comprises several grooves and several projections in a cross section on its radial inner wall.
Resumen de: US2025140843A1
To provide a positive electrode active material in which a phase transition is inhibited and a secondary battery including the positive electrode active material. An unprecedented synthesis method has been developed in which lithium cobalt oxide particles are treated with a molten salt of MgF2—LiF as a reaction accelerator to facilitate the diffusion and doping of magnesium into lithium cobalt oxide bulk and to form a stable coating layer in the particle surface portion. Ex situ XRD analysis confirms the inhibition of the harmful phase transition and the emergence of a novel phase as the modified LiCoO2 is charged up to 4.7 V. The modified LiCoO2 shows high electrochemical performance during high-voltage operation. This technology provides a guideline for suppressing fundamental degradation associated with phase transition and achieving ultra-high energy density LiCoO2 positive electrodes.
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: 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: US2025141124A1
A connection structure according to an embodiment includes: a first conductive portion including a first busbar having a contact surface; a second conductive portion disposed at a position away from the first conductive portion; a movable conductive portion including a pressing portion capable of coming into contact with the first busbar and the movable conductive portion being movable with respect to the first conductive portion and the second conductive portion in a moving direction intersecting with the contact surface; a biasing portion capable of biasing the movable conductive portion toward the contact surface; and a relay conductive portion relaying conduction between the second conductive portion and the movable conductive portion, in which the relay conductive portion is slidable with respect to the second conductive portion or the movable conductive portion.
Resumen de: US2025141226A1
A computer implemented method for controlling a pool of energy storages. The energy storages of the pool have capacity limits defining how the energy storages are intended to be used. The method is performed by detecting an exception event; selecting one or more energy storages associated with the detected exception event; and temporarily adjusting at least one capacity limit of the selected energy storages in accordance with the detected exception event.
Nº publicación: US2025141254A1 01/05/2025
Solicitante:
HULKMAN INNOVATION TECH SHENZHEN CO LTD [CN]
Hulkman Innovation Technology (Shenzhen) Co., Ltd
Resumen de: US2025141254A1
A parallel control method for multiple battery packs includes: in response to the multi-battery pack system being in a charging state, acquiring real-time voltages of the battery packs in the multi-battery pack system; determining a first battery pack and a second battery pack based on the real-time voltages, wherein a voltage of the first battery pack is a minimum voltage in the real-time voltages, and a voltage of the second battery pack is a second minimum voltage in the real-time voltages; controlling the first battery pack to be charged; and in response to the voltage of the first battery pack and the voltage of the second battery pack satisfying a predetermined charging condition, controlling the first battery pack and the second battery pack to be simultaneously charged, and analogously continuing such control until the all the battery packs in the multi-battery pack system are simultaneously charged.
BOPI
Sede Electrónica
