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1168
resultados
Última actualización
01/11/2026 [07:23:00]
Resultados 750 a 775 de 1168
Resumen de: US20260331697A1
0000 A battery pack includes: a cell module assembly including a battery cell stack in which a plurality of battery cells are stacked; a pack case configured to house the cell module assembly, and including a venting port on at least one surface of the pack case; and an outer cover that covers an outer surface of the pack case and is arranged apart from the outer surface of the pack case by a prescribed distance. A space between the pack case and the outer cover forms a venting flow path through which a venting gas, generated during a thermal event of the plurality of battery cells, is able to move. The venting gas is discharged to an outside of the battery pack through an opened space formed on at least one end part of the outer cover.
Resumen de: US20260331458A1
0000 A positive electrode contains, as a positive-electrode active material, a lithium transition metal composite oxide that has a layered structure and contains at least 75 mol % of Ni with respect to the total molar quantity of metal elements excluding Li. The lithium transition metal composite oxide is made of secondary particles formed by aggregation of primary particles. At least one selected from the group consisting of Ca and Sr, and at least one selected from the group consisting of W, Mo, Ti, Si, Nb, and Zr, are present at the interface between primary particles inside the secondary particles. An electroconductive auxiliary agent within a positive-electrode compound layer includes at least one selected from the group consisting of particulate carbon materials having an average grain diameter of 20 nm or less and fibrous carbon materials having an average fiber diameter of 20 nm or less, the carbon materials containing carbon.
Resumen de: US20260331480A1
0000 With respect to a nonaqueous electrolyte secondary battery (10) according to one example embodiment of the present invention, a positive electrode (11) contains, as a positive electrode active material, a lithium transition metal composite oxide that has a layered structure and contains not less than 75 mol % of Ni with respect to the total molar quantity of metal elements excluding Li. The lithium transition metal composite oxide is in the form of secondary particles that are obtained by aggregation of primary particles; and at least one element selected from the group consisting of Ca and Sr, and at least one element selected from the group consisting of W, Mo, Ti, Si, Nb and Zr are present at the interfaces between the primary particles inside the secondary particles. A negative electrode (12) contains, as a negative electrode active material, a silicon-containing material.
Resumen de: US20260331505A1
0000 A disclosed positive electrode is a positive electrode for a nonaqueous electrolyte secondary battery. The positive electrode includes a positive electrode mixture layer. The positive electrode mixture layer contains a positive-electrode active material, a conductive material, and a binder. The conductive material includes both carbon black and single-wall carbon nanotubes. The binder includes at least one selected from the group consisting of nitrile group-containing rubber and a cellulose derivative.
Resumen de: US20260326616A1
0000 A method for operating a battery cell for a motor vehicle includes capturing an actual temperature of the battery cell and an actual current which relates to a power demand on the battery cell, performing a temperature prediction to calculate a cell core temperature on the basis of a thermal model of the battery cell using the actual temperature and the actual current, calculating a continuous current using the temperature prediction, predicting a degradation of a power limit using the temperature prediction and the continuous current, and outputting a control command for the operation of the battery cell using the power limit.
Resumen de: US20260332058A1
A power supply circuit includes a driver, a transformer including a primary winding and a secondary winding, a rectifier, and a filter module. The driver includes a drive pin and a power supply input pin connected to different taps of the primary winding. The secondary winding is connected to an input terminal of the rectifier. An output terminal of the rectifier is connected to a power supply output terminal of the power supply circuit. The filter module includes a drive filter module connected to the drive pin, an input filter module connected to the power supply input pin and the primary winding, an output filter module connected to the power supply output terminal, and/or a primary-secondary filter module connected to a ground terminal connected to the driver and a ground terminal connected to the secondary winding.
Resumen de: US20260330888A1
In a method for transmitting and receiving fault detection counter (FDC) information for a diagnostic trouble code (DTC) and a battery system using the method, the method for transmitting and receiving FDC information for a DTC by a battery system includes: receiving a request message; and transmitting a response message corresponding to the request message, wherein a data information area of the request message includes a data delimiter and diagnostic information data, the data delimiter is a first type for requesting a read of an FDC corresponding to each of at least one piece of DTC information included in the request message, or a second type for requesting a read of a plurality of FDCs according to a bitmap, and the bitmap is a list in which a plurality of pieces of DTC diagnostic information match a plurality of bits constituting the diagnostic information data.
Resumen de: US20260327405A1
A two-component composition, including between 3 and 15 wt.-% of at least one organic polymer containing reactive silane groups, between 70 and 92 wt.-% of at least one filler, between more than 0 to 2 wt.-% of drying agent, between more than 0 to 2 wt.-% of retarder, optionally at least one plasticizer, optionally additional organosilanes, optionally at least one catalyst for the curing of silane-functional polymers, wherein the drying agent is propyltrimethoxysilan and that the retarder is selected from the list consisting of phenylmethoxysilan, vinyltrimethoxysilan, octyltrimethoxysilan, propytrimethoxysilan, and any mixture of these retarders. The two-component composition can be formulated to show excellent thermal conductivity and is particularly suitable for battery and electronics assembly and at the same time offers long open time and fast curing behavior.
Resumen de: US20260331739A1
0000 A battery pack including a cell module assembly including a battery cell stack in which a plurality of battery cells are stacked; a pack case including an internal space, and housing the cell module assembly in the internal space; and a fire extinguishing unit configured to extinguish a thermal event in the plurality of battery cells by supplying a fire extinguishing agent into the pack case when the thermal event occurs in the plurality of battery cells, wherein the pack case includes at least one drain port on at least one of a longitudinal edge and a widthwise edge of a bottom surface of the pack case.
Resumen de: US20260331642A1
0000 Provided are a battery pack and a vehicle having same. The battery pack includes a frame, a partition assembly, a liquid cooling plate, and a bottom protection plate. The frame is configured to enclose a receiving cavity. The partition assembly is disposed in the frame to divide the receiving cavity into a plurality of receiving sub-cavities. The liquid cooling plate is located at a bottom of the frame, and has a bottom access opening directly facing one of the plurality of receiving sub-cavities. The liquid cooling plate is fixedly connected to the frame and at least part of the partition assembly adjacent to the bottom access opening. The bottom protection plate is detachably connected below the liquid cooling plate, and configured to open and close the bottom access opening.
Resumen de: US20260325856A1
An electronic apparatus comprising: an electric field generator providing a first electrical signal having a first alternating current waveform at a frequency between 50 kHz and 1 MHz; and a controller communicating with the electric field generator, the controller having an input, a processor, and a memory storing an accelerated power-up program, a standard power-up program, and computer-executable instructions that cause the processor to: receive a generator power-down event by the input; detect the generator power-down event; deactuate the electric field generator; store an operating parameter; determine an operating status based at least in part on the operating parameter; and actuate the electric field generator to provide a second electrical signal using the accelerated power-up program responsive to the operating status being the accelerated status; the second electrical signal having a second alternating current waveform at a frequency between 50 kHz and 1 MHz.
Resumen de: US20260331504A1
A disclosed positive electrode is a positive electrode for a nonaqueous electrolyte secondary battery. The positive electrode includes a positive electrode mixture layer. The positive electrode mixture layer contains a positive-electrode active material, a conductive material, and a binder. The conductive material includes both single-wall carbon nanotubes and multiwall carbon nanotubes. The binder includes at least one selected from the group consisting of nitrile group-containing rubber and a cellulose derivative.
Resumen de: US20260331684A1
0000 A ferritic stainless steel material for battery components has a composition comprising, on a mass basis, C: 0.001 to 0.050%, Si: 0.01 to 2.00%, Mn: 0.01 to 2.00%, P: 0.010 to 0.050%, S: 0.0001 to 0.0100%, Cr: 10.0 to 30.0%, and N: 0.001 to 0.050%, and further comprising one or more selected from Ti: 0.01 to 0.50% and Nb: 0.01 to 0.60%, the balance being Fe and impurities. The ferritic stainless steel material for battery components contains 0.010% by volume or more of Ti-based deposits and/or Nb-based deposits.
Resumen de: US20260331598A1
0000 An electrolyte composition and a lithium metal battery comprising the same are provided. The electrolyte composition comprises an ether-based solvent and a fluoroborate-based lithium salt or a non-fluoroborate-based lithium salt dissolved in the ether-based solvent, where the fluoroborate-based lithium salt or the non-fluoroborate-based lithium salt and the ether-based solvent form a complex, and the electrolyte composition has low corrosivity to a lithium metal anode and also enables formation of a uniform coating film on the lithium metal anode.
Resumen de: US20260331651A1
0000 Disclosed is a packaging material for a battery, including lamination structure of: an outer layer consisting of a heat-resistant resin film; a gas barrier layer containing a metal foil; and an inner layer consisting of a composition containing a thermoplastic polyolefin, wherein the slipperiness of the inner layer is enhanced to achieve excellent moldability, causing no leakage of cell electrolytes and thereby ensuring safety. The present invention provides a packaging material for a battery, including a lamination structure of: an outer layer consisting of a heat-resistant resin film; a gas barrier layer containing a metal foil; and an inner layer consisting of composition containing a thermoplastic polyolefin, wherein the composition constituting the inner layer contains an unsaturated secondary fatty acid amide.
Resumen de: US20260331564A1
0000 The present invention relates to a solid electrolyte sheet including a first solid electrolyte layer and a second solid electrolyte layer positioned on the first solid electrolyte layer, wherein the first solid electrolyte layer includes a first solid electrolyte, the second solid electrolyte layer includes a second solid electrolyte, and a density of the first solid electrolyte is greater than a density of the second solid electrolyte.
Resumen de: US20260331602A1
0000 A wireless microsystem for performing real-time monitoring on in-situ pressure and temperature inside a lithium battery comprises an acoustic wave receiving module, a working condition sensing module, and an acoustic wave transmitting module manufactured based on Micro-Electro-Mechanical System (MEMS) technology and connected sequentially; which can be non-destructively implanted into various lithium batteries; the acoustic wave receiving module is configured to, based on a first acoustic wave signal received from an external acoustic wave transmitter and corresponding to a first preset resonant frequency, perform acoustic-electric signal conversion to obtain a first electrical signal; the working condition sensing module couples an in-situ working state inside the cell to the first electrical signal to obtain a second electrical signal; the acoustic wave transmitting module is configured to perform electric-acoustic signal conversion on an electrical signal component satisfying a preset resonant frequency in the second electrical signal to transmit a second acoustic wave signal.
Resumen de: US20260326692A1
A high voltage modular and expandable unit for electrical power distribution for application in the automotive technical sector.The electrical power distribution unit can use two or more basic electrical modules for any application. The basic electrical module is designed as a high voltage input port connected to an electric/output interface (HV I/O). The basic electrical module may also include current sensors, power relays, fuse and other electrical components that assist the distribution of electrical power.
Resumen de: WO2026218716A1
Embodiments of the present disclosure provide a heat exchange assembly, a battery apparatus, and an electric device. The battery apparatus comprises a housing, a plurality of battery cells, and a heat exchange assembly. The heat exchange assembly comprises at least two heat exchange members. At least one heat exchange member is configured as a flexible member, and at least one heat exchange member is configured as a rigid member. At least one of the flexible member and the rigid member comprises a hot melt layer, and the hot melt layer is connected to the other one of the rigid member and the flexible member; at least one of the rigid member and the flexible member is provided with a connection structure; the connection structure is connected to the hot melt layer, and the connection structure comprises at least one of a roughened layer, a frosted layer, and a reinforcing layer. The heat exchange assembly for the battery apparatus provided in the embodiments of the present disclosure comprises a flexible member and a rigid member, the rigid member and the flexible member are connected by means of a hot melt layer, and at least one of the rigid member and the flexible member is provided with a connection structure connected to the hot melt layer, thereby helping to improve the connection strength between the rigid member and the flexible member, and thus improving operational reliability.
Resumen de: WO2026218713A1
Provided in the embodiments of the present disclosure are a heat exchange assembly, a battery device and an electric device. The battery device comprises a box, a heat exchange assembly and a plurality of battery cells, wherein the plurality of battery cells are arranged in the box; and the heat exchange assembly comprises a connector and at least two heat exchange members. At least one heat exchange member is configured as a flexible member, at least one heat exchange member is configured as a rigid member, and the elastic modulus of at least partial region of the flexible member is less than the elastic modulus of the rigid member. The flexible member and the rigid member are stacked to form at least one medium flow channel, the at least one medium flow channel is configured for the passing of a heat exchange medium, and the heat exchange medium is configured to exchange heat with the plurality of battery cells. The connector is provided with a connecting channel, the connector is connected to the rigid member, and the connecting channel is in communication with the medium flow channel. The rigid member is provided with a connection port, which is in communication with the medium flow channel, and the connector is arranged at the connection port and is connected to at least the side of the rigid member facing the flexible member.
Resumen de: WO2026218647A1
Provided in the embodiments of the present disclosure are a heat exchange assembly, a battery device and an electric apparatus. The battery device comprises a case, a battery cell group, and a heat exchange assembly, wherein the heat exchange assembly comprises at least two heat exchange members, and the at least two heat exchange members are stacked in a first direction to form at least one medium flow channel; and at least one heat exchange member is configured as a rigid member, and in a second direction, the rigid member comprises at least one rigid section and at least one flexible section connected to the rigid section.
Resumen de: US20260331696A1
0000 The present application provides a battery case, a battery, and a battery pack. The battery case includes a bottom plate and an enclosure plate, the enclosure plate and the bottom plate together define a receiving chamber with an opening, and the opening is disposed opposite to the bottom plate. The bottom plate has a center point and an explosion-proof score, the explosion-proof score has an inner edge closest to the center point and an outer edge farthest from the center point. A distance between the inner edge and the center point is greater than or equal to ½ of a radius of the bottom plate, and a distance between the outer edge and the center point is less than or equal to ⅘ of the radius of the bottom plate.
Resumen de: US20260328711A1
0000 A battery defect inspection device, method, and apparatus are disclosed. The battery defect inspection device includes a ray source, a detector, and a supporting component between the ray source and the detector. A battery under inspection is configured to be located on a supporting surface of the supporting component. The battery defect inspection device further includes a rotation mechanism. The rotation mechanism is configured to rotate the supporting component along a preset rotation axis, or is configured to rotate the ray source and the detector about a preset rotation axis, such that the optical axis of the rays emitted from the ray source is projected obliquely onto a surface of the battery under inspection. At least an included angle between an end surface of the battery under inspection and a plane on which the detector is located can be flexibly adjusted according to the needs of different inspection scenarios.
Resumen de: US20260327836A1
0000 Disclosed herein is a method for pretreatment of substrates containing copper and/or alloys thereof, the method including contacting at least one surface of the at least one substrate, the surface being made of copper and/or at least one alloy thereof, at least in portion with an aqueous composition and thereby forming a film at least in portion on the surface. Also disclosed herein are a method of applying at least one coating film onto the surface of the pretreated substrate, a substrate obtainable by one of these methods, current collectors, conductors, copper clad laminates, anode materials and battery cells obtainable therefrom, and a use of the aqueous composition for electrolytically forming films on substrates made of copper and/or alloys thereof.
Nº publicación: US20260331736A1 22/10/2026
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
Contemporary Amperex Technology Co., Limited
Resumen de: US20260331736A1
An electrolyte injection system includes an electrolyte injection device, an upper computer and a control device, where the electrolyte injection device includes at least one electrolyte injection pump; the control device is configured to send to the upper computer pump information of a target electrolyte injection pump currently to be subjected to electrolyte preparation in the electrolyte injection device; the upper computer is configured to: acquire the pump information from the control device; determine, on the basis of the pump information and from among bearing positions in a battery cell tray currently entering the electrolyte injection device, a target bearing position currently corresponding to the target electrolyte injection pump; and determine, on the basis of a first correspondence, a target electrolyte injection parameter corresponding to the target bearing position, with the first correspondence including electrolyte injection parameters respectively corresponding to at least one bearing position.
BOPI
Sede Electrónica
