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METHOD FOR CONSOLIDATING MULTILAYER FOILS USING HOT PRESSING

Resumen de: US2025286109A1

A method for consolidating a foil tab stack is provided. The method includes combining foil tabs of an electrode stack in a battery cell to form a combined foil tab stack. Additionally, the method includes hot-pressing the combined foil tab stack using heated pressing dies to form a consolidated foil tab stack. Further, the method includes laser welding the consolidated foil tab stack to a terminal lead using a laser welder.

DUAL-ROW PIN STRUCTURE OF BATTERY PACK

Resumen de: AU2024216570A1

A dual-row pin structure of a battery pack, comprising a battery body. The battery body is provided with a pin seat. A charging wiring terminal and/or a communication wiring terminal is provided in the middle of the pin seat. A first wiring terminal and a second wiring terminal which are vertically distributed are provided on a left portion of the pin seat. A third wiring terminal and a fourth wiring terminal which are vertically distributed are provided on a right portion of the pin seat. The first wiring terminal and the second wiring terminal are configured to output a first set of voltages and the third wiring terminal and the fourth wiring terminal are configured to output a second set of voltages, or the first wiring terminal and the third wiring terminal are configured to output a first set of voltages and the second wiring terminal and the fourth wiring terminal are configured to output a second set of voltages. According to the solution, the transverse span of the pin seat is effectively reduced, the occupied space is reduced, and a connection between the pin seat and a wire insertion terminal of an electric tool is more stable, thereby achieving good practicability.

SELF-HEATING STRUCTURE AND BATTERY PACK COMPRISING SELF-HEATING STRUCTURE

Resumen de: AU2023430219A1

Disclosed in the present application are a self-heating structure and a battery pack comprising the self-heating structure. The self-heating structure comprises: a heating member, which comprises a heating body and a connection lead formed on the heating body, wherein the connection lead is used for being electrically connected to a positive-electrode tab or a negative-electrode tab of a core pack, such that the heating member and the core pack form a self-heating loop; and a control unit, which controls the on/off of the self-heating loop according to the temperature of the core pack, wherein the control unit is arranged on the connection lead to integrate the control unit with the connection lead.

CHARGER WITH INTEGRATED ENGINE START FUNCTION

Resumen de: US2025286393A1

A charger with integrated engine start function, which is connected between an input terminal group and an output terminal group, comprising: a high-frequency charger, an input terminal of the high-frequency charger is connected to the input terminal group, an energy storage module, a first switch controllably connected to the high-frequency charger and the output terminal group, a second switch controllably connected to the high-frequency charger and the energy storage module, a third switch controllably connected to the energy storage module and the output terminal group; a controller connected to the first switch, the second switch and the third switch respectively. Through the combination of the high-frequency charger and the energy storage module, it can provide continuous and stable charging current for the battery, with high charging efficiency, and when the external battery fails, the energy storage module can provide a strong instantaneous current sufficient to start the engine.

DUAL OUTPUT VOLTAGE CONVERSION CIRCUIT IN A POWER MANAGEMENT CIRCUIT

Resumen de: US2025286451A1

A dual output voltage conversion circuit, which can be provided in a power management circuit in a wireless device, is disclosed. Herein, the dual output voltage conversion circuit includes a main multi-level charge pump (MCP) and a lightweight MCP that is simplified from the main MCP to help reduce a footprint of the power management circuit. Specifically, the main MCP is configured to generate a first low-frequency voltage as a function of a battery voltage and the lightweight MCP is configured to concurrently generate a second low-frequency voltage as a function of a transfer voltage provided by the main MCP and so generated to be higher than the battery voltage. In an embodiment, the dual output voltage conversion circuit can be provided in the power management circuit to enable multiple simultaneous transmissions in the wireless device.

FLUORORESIN FOR BINDER FOR ELECTROCHEMICAL DEVICES, BINDER FOR ELECTROCHEMICAL DEVICES, ELECTRODE MIXTURE, ELECTRODE, AND SECONDARY BATTERY

Resumen de: US2025286068A1

The disclosure aims to provide a fluororesin 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 fluororesin for use in electrochemical device binders, the fluororesin including a tetrafluoroethylene unit and a vinylidene fluoride unit and having an endothermic peak temperature of 320° C. or higher.

BARE CELL ENCASING PRODUCTION LINE AND CELL PRODUCTION LINE

Resumen de: US2025286102A1

A bare cell encasing production line includes a bare cell conveying module, a cladding material conveying module, and an assembly module. The bare cell conveying module is configured to convey a bare cell; an output end of the cladding material conveying module and the bare cell conveying module are both connected to the assembly module. The assembly module is configured to assemble the bare cell conveyed by the bare cell conveying module with a cladding material conveyed by the cladding material conveying module; the cladding material conveying module includes a shell material conveying submodule; the shell material conveying submodule includes a shell material feeding mechanism, at least two shell material preparation assemblies, an infeed conveyor line, and a transfer mechanism. The transfer mechanism can lift a shell material preparation assembly from the infeed conveyor line and convey the shell material preparation assembly to one side of the infeed conveyor line.

High-Energy Lithium Metal Batteries Enabling Extremely Fast Charge and Discharge

Resumen de: US2025286071A1

The e present invention concern methods, devices, and systems that create a stable interface for accomplishing commercial Li|INMC811 LMBs. In other aspects of the invention, the coatings via atomic or/and molecular layer deposition (A/MLD or A-MLD) are conformal and uniform. They can be coated on both NMC cathodes and Li anodes directly with accurate growth control at the atomic/molecular level. In other embodiments. the MLD LiGL (GL=glycerol) and LiTEA (TEA triethanolamine) coatings of the present invention have clearly demonstrated significant effects on improving the performance of LHNMC811 cells up to 400%. in terms of sustainable capacity of NMC811.

NEGATIVE ELECTRODE FOR SECONDARY BATTERY AND SECONDARY BATTERY INCLUDING THE SAME

Resumen de: US2025286063A1

Provided are a negative electrode for a secondary battery and a secondary battery including the same. The negative electrode for a secondary battery according to an exemplary embodiment includes: a current collector; and a negative electrode active material layer which is formed on the current collector and includes a mixture of 1st to nth negative electrode active materials (n is a natural number of 2 or more), wherein the 1st to nth negative electrode active materials and the mixture thereof satisfy the following Relation 1:1.0⁢5

BATTERY PACK

Resumen de: US2025286188A1

Provided is a battery pack including a housing and a battery module inside the housing, wherein the housing includes a housing protrusion in the housing and housing ribs extending in different directions from each other from the housing protrusion, and wherein the housing ribs formed in any one housing protrusion may be apart from each other along a circumferential direction of the housing protrusion.

BATTERY MODULE

Resumen de: US2025286194A1

Provided is a battery including: a battery cell stack in which a plurality of battery cells are stacked; a pair of plate members provided at opposite ends of the battery cell stack in a stacking direction; and a cushioning material disposed between the plurality of battery cells and/or between the battery cell stack and each of the plate members, the cushioning material including a pair of first elastic members arranged on opposite outer sides in the stacking direction of the battery cell stack; and a second elastic member disposed between the pair of first elastic members. The second elastic member is a molding having a shape in which 2N layers of corrugated plate springs each having a concave portion and a convex portion that are alternately and continuously arranged and extending in a predetermined direction are stacked in the stacking direction of the battery cell stack.

LITHIUM ION BATTERY

Resumen de: US2025286134A1

To address the issue that the existing lithium ion battery with positive electrode containing manganese impacts battery performance, the application provides a lithium ion battery, which includes a positive electrode, a negative electrode, a non-aqueous electrolyte and a separator, and the separator is positioned between the positive and negative electrodes, the positive electrode includes a positive electrode material layer, the positive electrode material layer includes a lithium manganese-based positive electrode active material, the non-aqueous electrolyte includes a non-aqueous organic solvent, a lithium salt and an additive, and the additive includes a compound represented by structural formula 1:the lithium ion battery meets the following requirements:0.1≤q*m/p≤20;and⁢20≤q≤6⁢0,0.0⁢1≤m≤2,1.5≤p≤5;The lithium ion battery can enhances safety by reducing ion exchange between Mn2+ and lithium in the negative electrode, prevent manganese from damaging the negative electrode, and increasing electrode stability, ensuring high energy density and cycle performance.

BATTERY MODULE AND BATTERY PACK WITH STRUCTURALLY INTEGRATED ARRANGEMENT FOR SIDE TERMINAL CELLS

Resumen de: US2025286189A1

A battery module includes: a stack of battery cells each comprising terminals at opposite ends of a hardcase; first beam having a first opening; and a first busbar. The first beam is arranged parallel to the stack direction with end pointing into and against the stack direction. The first terminal of each battery cells faces the first beam, and the first busbar electrically connects the first terminals of at least two of the battery cells and is arranged between the stack and the first beam. The first opening is aligned with a position at where the first busbar is connected to the first terminals.

ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Resumen de: US2025286132A1

A rechargeable lithium battery includes an electrolyte. The electrolyte may include a non-aqueous organic solvent, a lithium salt, a first compound represented by Chemical Formula 1, and a second compound represented by Chemical Formula 2.

ELECTRONIC APPARATUS AND BATTERY PROTECTION METHOD THEREOF

Resumen de: US2025286391A1

An electronic apparatus and a battery protection method thereof are provided. electronic apparatus includes a battery module, a charge control chip, and a controller. The battery module includes a battery cell pack and a control circuit. The control circuit is configured to detect and treat a temperature of the battery cell pack as a battery cell temperature and determines whether the battery module meets any one of a plurality of abnormal environmental conditions according to the battery cell temperature and stored power of the battery cell pack. When the battery module meets any one of the abnormal environmental conditions, the control circuit provides a corresponding recommended charging voltage reduction value. The charge control chip is configured to provide a charging voltage to the battery module. The controller is configured to obtain the recommended charging voltage reduction value and accordingly adjusts the charging voltage through the charge control chip.

BATTERY MANAGEMENT SYSTEM FOR ENERGY CONTROL

Resumen de: US2025286388A1

The present disclosure relates to a battery management system for energy control and, more specifically, to a battery management system for controlling energy by stably managing, using a new current management means, battery conditions that change due to internal or external factors during the charging and discharging process of a battery cell, so as to enable optimized charging and discharging of the battery cell.

ELECTRODE ASSEMBLY AND RECHARGEABLE BATTERY INCLUDING THE SAME

Resumen de: US2025286148A1

An electrode assembly includes a first electrode having a first electrode uncoated portion with a protruding shape, a second electrode having a second electrode uncoated portion with a protruding shape, and a separator disposed between the first electrode and the second electrode, wherein the first electrode uncoated portion includes a first inner tab and a first outer tab separated by a cut line provided inside the first electrode uncoated portion, and wherein the second electrode uncoated portion includes a second inner tab and a second outer tab separated by a cut line provided inside the second electrode uncoated portion.

SECONDARY BATTERY AND ELECTRONIC APPARATUS

Resumen de: US2025286137A1

A secondary battery includes a positive electrode plate, a negative electrode plate, a separator, and an electrolyte. The electrolyte includes a compound represented by formula I. R11 and R12 are each independently selected from halogen-substituted or unsubstituted C1 to C6 alkyl, at least one of R11 or R12 is substituted with halogen, and based on a mass of the electrolyte, a mass percentage of the compound represented by formula I is A %, where 30≤A≤80. The separator includes a porous substrate layer and binding layers disposed on two surfaces of the porous substrate layer, the binding layer includes a polymer, a binding force between the separator and the positive electrode plate is F1 N/m, where 10≤F1≤15, and a binding force between the separator and the negative electrode plate is F2 N/m, where 18≤F2≤25.

COVER PLATE ASSEMBLY AND BATTERY

Resumen de: US2025286237A1

A cover plate assembly and a battery are disclosed. The cover plate assembly includes a cover plate, a pole and a connecting sheet. The pole is mounted on the cover plate. The connecting sheet includes a pole connecting portion and a tab connecting portion, and the pole connecting portion is connected to the pole. A first insulating member is provided between the pole connecting portion and the cover plate, the first insulating member is provided with a hook portion and the pole connecting portion is clamped with the hook portion A crack preventing notch is provided on a position of the pole connecting portion close to the tab connecting portion.

CATHODE LAYER

Resumen de: US2025286052A1

A main object of the present disclosure is to provide a cathode layer capable of suppressing an initial-resistance of a battery. The present disclosure achieves the object by providing a cathode layer to be used for a lithium ion secondary battery, the cathode layer comprising: a cathode active material and a carbon nanotube, wherein the cathode active material contains a lithium-nickel-based complex oxide including at least a Li element, a Ni element, an O element, and an X element of which valence is 1 or 2 (excluding Li element and Ni element), and a tungsten present in at least one of inside or on the surface of the lithium-nickel-based complex oxide; the cathode active material is a secondary particle including a plurality of primary particles and a void formed among the plurality of primary particles; the cathode layer contains, as the carbon nanotube, a first carbon nanotube, at least partially included in the secondary particle; and when a spectrum in a position (10195 eV to 10206 eV) where a peak of L absorption edge of tungsten measured by an X-ray absorption fine structure analysis (XAFS) satisfies below: formula (1): (a−b)/(c−b)≤0.79; in the formular (1), “a” represents an energy (eV) at the time when a slope of the spectrum in the range of 10195 eV to 10206 eV is the maximum; and when A designates a spectral intensity in the “a” (eV), “b” represents an energy (eV) where a spectral intensity in WO2 (tungsten oxide (IV)) in the range of 10195 eV t

POSITIVE ELECTRODE PLATE, BATTERY, AND ELECTRICAL DEVICE

Resumen de: US2025286059A1

A positive electrode plate, a battery, and an electrical device are provided. The positive electrode plate includes a first positive electrode active material and a second positive electrode active material, where the first positive electrode active material includes a compound LixNiyCozMkMepOrEs, and the second positive electrode active material includes a compound LiaAbMn1-cBcP1-dRdO4-nDn, where the following is satisfied: 0.90≤m/n≤1.20.

AEROSOL-GENERATING DEVICE WITH PLURAL POWER SUPPLIES

Resumen de: US2025287468A1

An aerosol-generating device is provided, including: a first power supply and a second power supply; and electric circuitry including a controller to supply electrical energy from the first and the second power supplies to an electric heater, the first and the second power supplies are different types of power supplies, the first power supply being a Li-NMC, a Li-LCO, a Li-NCA, or a LiPo battery, the second power supply being a LiFePO4 battery, the controller to provide power to the heater according to a predetermined heating profile including at least first and second heating stages in which a different amount of heating power is provided to the heater, the first heating stage being a preheating stage for preheating the at heater up to an operation temperature, and the second heating stage being an operation stage in which the device is configured to generate an inhalable aerosol.

POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK AND ELECTRIC DEVICE

Resumen de: US2025286064A1

A positive electrode active material, a secondary battery, a battery module, a battery pack, and an electric device. The positive electrode active material is used as a positive electrode active material for a secondary battery, and comprises a carbon material compounded iron-based polyanionic compound and an aluminum-containing oxide, and the iron-based polyanionic compound has the following general formula: Na4Fe3−xMxAly(PO4)2P2O7/C, wherein M comprises a transition metal element, 0≤x≤0.5, and y is greater than 0 and less than 0.2. The positive electrode active material has relatively low residual alkali amount, and the battery has excellent cycle performance and rate capability.

COOLING TECHNIQUES FOR BATTERY PACKAGES

Resumen de: AU2024235606A1

A method includes forming a cold plate including conductive material and having a plurality of openings, and coating the cold plate with dielectric coating. The method further includes placing the cold plate proximal to a metal plate including one or more metals, and exposing the cold plate to moisture and/or water. In an example, a minimum lateral distance between the cold plate and the metal plate is at most 0.5 inch. The method further includes, while the cold plate is exposed to the moisture and/or the water, applying a voltage across the cold plate and the metal plate, and measuring a resultant leakage current through the cold plate. A thickness of the dielectric coating on an edge of an opening of the plurality of openings is at least 0.003 inch.

ENERGY STORAGE THERMAL MANAGEMENT SYSTEM AND METHOD

Nº publicación: AU2023432368A1 11/09/2025

Solicitante:

SUNGROW POWER SUPPLY CO LTD
SUNGROW POWER SUPPLY CO., LTD

Resumen de: AU2023432368A1

Provided in the present invention are an energy storage thermal management system and method. The energy storage thermal management system comprises a controller, a battery, a power electronic device, and a shunting apparatus. The controller determines the operating mode of the energy storage management system, the operating mode being any one of a preset first mode, second mode and third mode; and according to the operating mode of the energy storage thermal management system, controls a corresponding path of the shunting apparatus to be turned on, so that in the first mode, the battery performs heat exchange in a compression cooling mode and the power electronic device performs heat exchange in a liquid-cooled heat exchange mode; in the second mode, the battery and the power electronic device both perform heat exchange in the liquid-cooled heat exchange mode; and in the third mode, the power electronic device and/or an electric heater perform heat exchange with the battery. The present invention can select different heat exchange modes for the battery and the power electronic device according to different operating modes, so as to meet the heat dissipation requirements of the battery and the power electronic device.