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1263
results.
Updated on
26/12/2025 [07:11:00]
Results 1025 to 1050 of 1263
Absstract of: WO2025251401A1
A method for determining a pre-tightening force for a battery module and a method for manufacturing a battery module. The method for determining a pre-tightening force for a battery module includes the following steps: S1, mounting binding straps (2) on a battery module (1); S2, measuring the length of the battery module (1) as a first length after the binding straps (2) are mounted; and S3, removing the binding straps (2), squeezing the battery module (1) until the length of the battery module (1) is equal to the first length, and using the current squeezing force as a pre-tightening force.
Absstract of: WO2025251413A1
A battery and an electric device. The battery comprises: a case (10), which is provided with an accommodating cavity (101); a battery assembly (20), which is arranged inside the accommodating cavity (101); a thermal management component (30), which is configured to heat and cool the battery assembly (20), wherein the thermal management component (30) comprises second heat exchangers (32), the second heat exchangers (32) being arranged between the battery assembly (20) and the top wall and/or bottom wall of the accommodating cavity (101); and a phase change material component (40), which extends in the circumferential direction of the battery assembly (20) and is arranged on the peripheral side of the battery assembly (20), thereby exchanging heat with battery cells (211) on the peripheral side of the battery assembly (20).
Absstract of: US2025377691A1
A wearable electronic device according to an embodiment of the disclosure may comprise a ring-shaped frame. The wearable electronic device may comprise a battery seated on the frame. The wearable electronic device may comprise an electronic component electrically connected to the battery. The wearable electronic device may comprise a molding member integrally coupled to the frame to surround the battery and the electronic component. The wearable electronic device may comprise a compression member disposed to contact the battery and configured so that a part thereof, in contact with an expanding portion of the battery, is compressible when the battery swells. The compression member may be positioned between the frame and the molding member.
Absstract of: US2025378458A1
A method for preventing a fraudulent use of the battery. The method includes: generating non-fungible token (NFT) of a battery history based on driving data, charging data, discharging data and ownership change history data; training an artificial intelligence engine based on a predetermined battery history sample and a selected training algorithm to generate a trained artificial intelligence engine; detecting a violation of a preset condition by using the trained fourth artificial intelligence engine and the at least one NFT of the batter history, the present condition including whether the battery is replaced, whether a penalty option set for the battery is violated, and whether tampering with the battery has occurred; determining the detected violation is associated with a fraudulent use of the battery; blocking the battery from being charted; and disabling a power supply for the battery.
Absstract of: US2025377412A1
Methods and systems for determining a status of a battery pack of a vehicle is provided. Charging of the battery pack is initiated. Charging parameters of the battery pack are measured during charging of the battery pack are received. Discharging of the battery pack is initiated. Discharging parameters of the battery pack measured during discharging of the battery pack are received. The status of the battery pack is determined based on the charging parameters and the discharging parameters.
Absstract of: US2025377411A1
An early diagnosis apparatus for foil breakage of a battery, the early diagnosis apparatus includes a resistance measurer configured to measure an internal resistance of each of a plurality of battery cells included in a battery tray output from a battery assembly process when a point in time of an inspection start is reached after battery assembly is completed, during a pause period between a battery assembly process and a battery formation process, and a foil breakage inspector configured to calculate a delta internal resistance, based on the internal resistance received from the resistance measurer, and to inspect whether foil breakage is present in each of the plurality of battery cells, based on the delta internal resistance.
Absstract of: US2025377414A1
A battery diagnosis device and method, and a battery pack are disclosed. A battery diagnosis device includes a configuration for diagnosing an abnormality of a battery cell in a manner of analyzing a change in behavior of a cell voltage change rate that appears when the battery cell is discharged in a state in which a state of charge (SOC) of the battery cell has been formed as a predefined reference SOC.
Absstract of: WO2025251955A1
Embodiments of the present application provide a method and apparatus for calculating battery internal consistency, a method and apparatus for calculating a battery evaluation value, and an electronic device. The method for calculating battery internal consistency comprises: on the basis of a data set of a battery, calculating Cronbach's alpha related to the battery internal consistency to obtain the battery internal consistency, wherein the battery internal consistency is used for representing the capability of keeping the temperature difference variation and/or the voltage difference variation in the battery in a preset interval. In the present application, the battery internal consistency is obtained by calculating Cronbach's alpha, so that the performance of the battery can be comprehensively evaluated; in addition, the battery internal consistency can be accurately calculated by using a small amount of data, improving the calculation efficiency.
Absstract of: WO2025251724A1
The present invention relates to the technical field of formed foils, and specifically relates to a low-voltage formation method which reduces post-hydration voltage rise time. The low-voltage formation method which reduces post-hydration voltage rise time of the present invention comprises six stages of formation, phosphoric acid treatment, first post-treatment, phosphoric acid treatment, second post-treatment, phosphoric acid treatment, heat treatment, and third post-treatment. The anodized aluminium foil obtained via the formation method of the present invention has improved capacitance and improved hydration resistance, such that compared with an original process, the voltage rise time after one hour of hydration treatment is reduced by approximately 60% and the voltage rise time after six hours of treatment is reduced by approximately 40%, thus significantly improving hydration resistance.
Absstract of: WO2025251751A1
The present application relates to a secondary battery electrode sheet, a manufacturing method therefor and the use thereof. The secondary battery electrode sheet provided in the present application comprises: a current collector, the current collector comprising an active layer coating region and a tab region which are connected, the tab region comprising an insulating layer coating region and a bare foil region, and the insulating layer coating region being a region between the bare foil region and the active layer coating region; an active layer, the active layer covering the active layer coating region; and an insulating layer, the insulating layer covering the insulating layer coating region. Raw materials for preparing the insulating layer comprise an insulating filler; the insulating filler satisfies the following conditions: pH is 10 to 12, Dv10 is 0.2 to 0.7 μm, Dv50 is 0.5 to 1.0 μm, Dv90 is 1.2 to 1.9 μm, and Dv99 is 2.8 to 4.0 μm.
Absstract of: US2025379263A1
Provided is a non-aqueous electrolyte secondary battery having excellent safety when an impact from the outside is received. A non-aqueous electrolyte secondary battery according to one aspect of the present disclosure comprises: an electrode body in which a band-shaped positive electrode and a band-shaped negative electrode are wound via a separator; a non-aqueous electrolyte; and an external body accommodating the electrode body and the non-aqueous electrolyte. The positive electrode has a positive electrode current collector and a positive electrode mixture layer formed on both surfaces of the positive electrode current collector. The positive electrode has, near a winding inner end, a tapered portion from the surface of one positive electrode mixture layer to the positive electrode current collector, the tapered portion becoming thinner toward the winding inner end.
Absstract of: US2025379284A1
A rechargeable energy storage system includes a housing including a tray and a sidewall structure. A plurality of beam assemblies extends in parallel across the housing. The plurality of beam assemblies each include a first face plate and a second face plate. The first face plate includes an elongated body having an upper flange extending generally perpendicular to an upper end of the elongated face body. The second face plate includes an elongated body having a lower flange extending generally perpendicular to a lower end of the elongated face body. A pair of coolant plates are sandwiched between the first face plate and the second face plate.
Absstract of: US2025379298A1
An assembly includes a housing defining an internal volume. An electrochemical cell is disposed in the internal volume. A barrier layer disposed on at least a portion of the housing, the barrier layer including a metal and configured to inhibit fluid communication between the inner volume of the housing and the external environment. The barrier layer may include a plurality of layers, at least one of the plurality of layers including the metal. The plurality of layers may include a first layer disposed on a surface of the housing, the first layer formed of a first material, and a second layer disposed on the first layer, the second layer formed from a second material including the metal.
Absstract of: US2025379279A1
A battery unit comprises an arrangement of a plurality of discrete, stacked battery cells that implement one or more thermal management techniques. The arrangement of the stacked battery cells generates sufficient cooling within the battery unit during operation of the battery such that external cooling mechanisms are not implemented. In addition, the battery unit can comprise thermal management component that includes one or more materials to transfer heat away from the battery unit and/or one or more materials for storing and releasing heat that is produced during the operation of the battery.
Absstract of: US2025379267A1
A separator, a preparation method therefor, a lithium-ion battery, and an electric device. The separator includes a separation film and a coating provided on at least one side of the separation film; and the coating includes a metal salt, the metal salt includes metal ions, and the metal ions have a reduction potential higher than that of lithium ions.
Absstract of: WO2025251233A1
The present application discloses an energy storage device, comprising a first housing, a plurality of battery modules, a liquid cooling unit, a refrigerant channel, at least one cooling assembly and a first fan, wherein the plurality of battery modules are disposed in the first housing and are arranged at intervals in a first direction, and at least a portion of the refrigerant channel is located between adjacent battery modules; the battery modules and the cooling assembly are arranged in the first direction; the cooling assembly comprises a first flow channel, the liquid cooling unit being connected to the first flow channel; and the first fan is configured to drive a first refrigerant to flow through the refrigerant channel. By means of the liquid cooling unit, the battery modules are cooled; and by means of the first fan driving the first refrigerant to flow through the refrigerant channel, heat from the energy storage device is dissipated, thereby transferring heat from the battery modules to the outside, reducing the temperature of the battery modules and improving heat dissipation efficiency.
Absstract of: WO2025251446A1
A battery cell and a battery. The battery cell comprises a body (100) and a first tab (200), wherein the body (100) comprises a first electrode sheet (110) and a second electrode sheet (120), the body is formed by winding the first electrode sheet (110) and the second electrode sheet (120), and the body (100) has a first end face (106) and a second end face, which are arranged opposite each other in a first direction; the first electrode sheet (110) has a plurality of bent portions and a plurality of straight portions from the inside out, the bent portions and the straight portions being alternately arranged; each straight portion is connected to a first dummy tab (113); after winding, the first dummy tabs (113) are stacked to form a conductive member, the conductive member protruding from the first end face (106); the first tab (200) is connected to the first electrode sheet (110) and protrudes from the first end face (106) or the second end face; and the conductive member is folded towards the body (100), and in the projection in the first direction, the projected area of the conductive member on the first end face (100) falls within the first end face (100). The battery cell enables the dimension of the dummy tabs in the direction of length to be reduced, thereby improving the energy density of the battery.
Absstract of: WO2025251440A1
A lithium-rich manganese-based precursor for a solid-state battery. The chemical formula of the lithium-rich manganese-based precursor is NixMnyNbaCob(OH)2, wherein 0.25＜x≤0.4, 0.6≤y＜0.75, 0.001≤a＜0.005, 0.005≤b＜0.01, x+y+a+b=1, the content of Nb element decreases in a gradient from inside to outside, the content of Co element increases in a gradient from inside to outside, and the lithium-rich manganese-based precursor has a compact inner structure and a loose outer structure. Further provided are a preparation method for the precursor, a further obtained positive electrode material, and a solid-state battery.
Absstract of: WO2025251433A1
A manganese iron phosphate precursor, a preparation method therefor, a positive electrode material, an electrode sheet, and a battery. The formula of the manganese iron phosphate precursor is (NH4)(3-2x-2y)FexMnyPO4•H2O, wherein 0 < x < 1, and 0 < y < 1. The manganese iron phosphate precursor satisfies the following conditions: the average particle size is 2.0μm to 2.5μm, the D50 particle size is 1.6μm to 2.0μm, and the span is 0.4-0.7.
Absstract of: US2025377174A1
The invention relates to a heat exchanger for the thermal management of an electrical and/or electronic element, advantageously of a vehicle, including a heat exchange body having: a heat exchange wall intended to be in thermal contact with the electrical and/or electronic element, —a base wall opposite the heat exchange wall, a flow channel for a heat-transfer fluid formed between the heat exchange wall and the base wall, the flow channel including: a first zone having a first heat-transfer-fluid flow disruption component, a second zone having a second heat-transfer-fluid flow disruption component, the first heat-transfer-fluid flow disruption component consisting of a plurality of local deformations on the base surface and the second heat-transfer-fluid flow disruption component consisting of a fin arranged between the heat exchange surface and the base surface and forming a plurality of flow paths.
Absstract of: US2025377317A1
An X-ray inspection device according the present disclosure includes an X-ray output part irradiating X-rays, an X-ray detector disposed at an opposing position of the X-ray output part and detecting the X-rays to obtain a plurality of gray values, an alignment part assisting in alignment between the X-ray output part and the X-ray detector, a transfer part transferring a battery in a predetermined direction to generate an X-ray image, a signal processor acquiring the X-ray image including the plurality of gray values, and an inspector determining whether the X-ray output part and the X-ray detector are aligned with each other by using the X-ray image of the alignment part.
Absstract of: US2025377248A1
A method of determining a preload force of a battery module includes: S1, mounting a strapping band to the battery module; S2, measuring a length of the battery module after the strapping band being mounted, as a first length; and S3, removing the strapping band, applying a compression force to compress the battery module until a length of the battery module being equal to the first length, and taking the compression force as the preload force.
Absstract of: US2025376823A1
The system for deicing black ice includes a plurality of laser scanners that are arranged at intervals along a road, each laser scanner including a light source unit, a non-contact temperature sensor, and a control unit that controls an operation of radiating the laser to the area in charge, a weather sensor that measures a temperature and humidity, and an integrated controller that communicates with the plurality of laser scanners. The integrated controller determines whether the laser is radiated to the road surface based on at least one of the measured temperature and humidity, and when the laser radiation is determined, generates a control signal to activate at least one laser scanner, and the control unit determines a heating area, and generates a pulse signal to turn on/off a light source unit so that the laser is radiated in accordance with a shape and range of the heating area.
Absstract of: US2025376783A1
A single-crystal cathode material and preparing method thereof are provided. The method involves mixing and ball milling a lithium source with a nickel-cobalt-manganese precursor and then performing a first sintering treatment to obtain the first main material. The first sintering temperature is 650 to 950° C. and sintering time is 15 to 30 hours. The first main material is then mixed and ball-milled with source A and performing a second sintering treatment to prepare the single-crystal cathode material. The second sintering temperature is 650-950° C. and sintering time is 5-15 hours. A precursor is used to directly prepare a single-crystal cathode material without jet milling.
Nº publicación: WO2025251761A1 11/12/2025
Applicant:
NANTONG HAIXING ELECTRONICS LLC [CN]
NANTONG HAIYI ELECTRONICS CO LTD [CN]
NINGXIA HAILI ELECTRONICS CO LTD [CN]
\u5357\u901A\u6D77\u661F\u7535\u5B50\u80A1\u4EFD\u6709\u9650\u516C\u53F8,
\u5357\u901A\u6D77\u4E00\u7535\u5B50\u6709\u9650\u516C\u53F8,
\u5B81\u590F\u6D77\u529B\u7535\u5B50\u6709\u9650\u516C\u53F8
Absstract of: WO2025251761A1
The present invention relates to the technical field of anode foil pulse pore generation and specifically relates to a composite pulse waveform pore generation technology for a high-thickness aluminium foil anode foil. In the composite pulse waveform pore generation technology for a high-thickness aluminium foil anode foil of the present invention, a low-frequency pulse is used in the initial stage of pore generation, a high-frequency pulse is used in the middle and later stages of tunnel pore growth, and low-frequency pulsing is performed one more time after alternating between the low-frequency pulse and the high-frequency pulse several times, thereby optimizing the structure and properties of an anodic oxide film, refining pores, improving the density and uniformity of the pores, and significantly improving the specific capacitance and mechanical properties of a finished etched foil.
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