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1318
resultados
Última actualización
15/03/2026 [07:37:00]
Resultados 125 a 150 de 1318
Resumen de: US20260074395A1
Disclosed are an assembly method for a secondary battery, a secondary battery, a battery pack and an electronic device, which can improve the stability of a welding structure of a current collector. The assembly method for the secondary battery includes the following steps: an assembly step, assembling a current collector and a terminal, so that a wall portion of the terminal abuts against the current collector; a welding step, irradiating a laser spot on the wall portion, and moving the laser spot along a helical trajectory, welding the wall portion and the current collector to form a weld mark, wherein, on a cross-section passing through a terminal axis, the weld mark extends from a first end to a second end, the first end is located on a surface of the wall portion facing away from the current collector, and the second end is located inside the current collector.
Resumen de: US20260074393A1
The present disclosure provides a pole, a cover plate assembly, and a battery cell. The pole includes a first metal part and a second metal part. The first metal part has a first inward part and a first outward part that is disposed on an inner wall of the first inward part. The second metal part includes a main body and a second outward part. A second inward part is disposed on an outer peripheral surface of the second outward part. The second outward part is embedded into the first inward part, and the first outward part is embedded into the second inward part. A side of the second inward part away from a bottom wall of the first inward part is represented as a first surface. And a gap is only disposed between the first outward part and the first surface.
Resumen de: US20260074364A1
A battery pack case according to an embodiment of the present disclosure includes: a base plate, a side plate disposed along a circumference of the base plate and having a lower side connected to the base plate, a cover plate covering an upper side of the side plate and define an accommodation space above the base plate, a partition plate disposed in the accommodation space to partition the accommodation space into a plurality of spaces, and a top plate forming a flow path together with the cover plate and disposed above the cover plate.
Resumen de: US20260074371A1
The present disclosure relates to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator for a rechargeable lithium battery includes a porous substrate, and a coating layer located on at least one surface of the porous substrate.
Resumen de: US20260070249A1
A method of manufacturing a film notching mold for a secondary battery pouch includes processing each of an upper plate, a lower plate, a plurality of paired upper modules, a plurality of paired lower modules, a rounded press-fit plate, and an interference-fit portion in a polyhedral frame shape in the form of a metal plate; coupling each of the upper plate, the lower plate, the plurality of paired upper modules, the plurality of paired lower modules, the rounded press-fit plate, and the interference-fit portion by interference-fit; and performing linear driving-type pressing by forming a press-fit space.
Resumen de: US20260069903A1
The present disclosure relates to systems, non-transitory computer-readable media, and methods for collecting batteries and other devices for disposal or recycling. In particular, in one or more embodiments, the disclosed systems provide a battery collection bin comprising a transport drum within an enclosure and a removable cartridge or internal basin filled with fire suppressant. Also, in some embodiments, the disclosed systems detect deposit of a battery through a feed chute into the transport drum and determine, based on signals from one or more sensors, a fill level, volume, or weight of the transport drum. In response, embodiments of the disclosed systems utilize a dispensing system to dispense a measure of fire suppressant from the removable cartridge or internal basin into the transport drum to prevent unwanted thermal events. Additional mechanisms and related methods for streamlined and safe collection of batteries and other devices are disclosed.
Resumen de: US20260069451A1
The present application relates to the field of medical care equipment, and in particular to a cold-hot apparatus with a hidden ring pull, wherein the cold-hot apparatus comprises a housing, a cold-hot assembly and a ring pull, wherein the housing is internally provided with the cold-hot assembly, and both sides of the housing are rotatably provided with the ring pull; the two sides of the housing are provided with fixing grooves corresponding to the ring pull, which are adapted thereto; the ring pull of the cold-hot apparatus is used for connecting with the strap to fix the cold-hot apparatus to the nursing part; through the rotatable arrangement of the ring pull, after the strap is bound, the angle of the adapted nursing part can be adjusted by rotating the ring pull, the ring pull can be received in the fixing groove to reduce the overall volume and facilitate carrying.
Resumen de: US20260068929A1
An electronic atomization heating battery assembly includes a first housing, a battery accommodating housing, a battery, a battery management module, a control module and a connecting member. The first housing has a first receiving space. The battery accommodating housing is received in the first receiving space. The battery accommodating housing has an accommodating space. The battery is detachably received in the accommodating space. The battery management module is located at one end of the battery. The control module is located at another end of the battery. The battery management module and the control module are detachably connected to the connecting member, so that components such as the battery can be reused. The present disclosure also discloses an electronic atomization heating device having the electronic atomization heating battery assembly.
Resumen de: US20260074279A1
Disclosed is a solid electrolyte membrane, a method for manufacturing the same, and an all-solid-state battery including the same. More specifically, the solid electrolyte membrane includes a first solid electrolyte layer including a first solid electrolyte and a first fibrous binder and a second solid electrolyte layer including a second solid electrolyte and a second fibrous binder, stacked adjacent to each other, wherein the weight of the first fibrous binder relative to the total weight of the first solid electrolyte layer is less than the weight of the second fibrous binder relative to the total weight of the second solid electrolyte layer. Since the weight of a first fibrous binder included in the first solid electrolyte layer is less than the weight of the second fibrous binder included in the second solid electrolyte layer, the strength may be improved without lowering the ionic conductivity of the solid electrolyte membrane.
Resumen de: US20260074284A1
The non-aqueous electrolyte solution disclosed herein includes a supporting salt, a non-aqueous solvent and a compound having a triphenylmethane skeleton. The above-described compound includes a branched hydrocarbon group and a hydroxy group. The above-described branched hydrocarbon group exists on a phenyl group in the above-described triphenylmethane skeleton and has 3 or more carbon atoms. The above-described hydroxy group exists on the above-described phenyl group and is next to the above-described branched hydrocarbon group.
Resumen de: US20260074278A1
A solid electrolyte layer for a lithium secondary battery that suppresses the generation of internal short-circuit caused by a dendrite composed of lithium metal is provided. The solid electrolyte layer includes a plurality of particles of a first solid electrolyte and a second solid electrolyte coating a surface of the plurality of particles and filling in a space among the plurality of particles. The second solid electrolyte is a sulfide solid electrolyte or an oxide solid electrolyte.
Resumen de: US20260074276A1
The present disclosure relates to an electrolyte product (1), formed as a solid or semi-solid layer, comprising a polymer-based matrix, having dispersed therein an amount of an electrolyte salt composition (4) and an amount of an additive salt composition (5). The disclosure further relates to a method of manufacturing a battery cell product, a battery cell product comprising the electrolyte product, and a battery product comprising a plurality of battery cell products.
Resumen de: US20260074270A1
A device for pressing and sealing an all-solid-state secondary battery protects one or more all-solid-state secondary batteries placed in an internal space created by a first cover and a second cover being vacuum-sealed to each other from heat-transfer fluid, while preventing bending or warping that may occur in the secondary batteries during a WIP process.
Resumen de: US20260074355A1
A battery pack according to the present disclosure includes: a battery assembly including a plurality of battery cells; a pack case in which an accommodation space is defined to accommodate the battery assembly; at least one first vent hole provided on a first side of the battery assembly; a vent space provided on the first side of the first vent hole and formed in the pack case; and a backflow preventing member having at least one opening/closing portion disposed to correspond to the first vent hole. The opening/closing portion is opened to allow communication between the first vent hole and the vent space when an internal pressure of the battery assembly reaches or exceeds a predetermined reference value.
Resumen de: US20260074351A1
A battery array insulating and separating structure for implementation with multiple lithium-ion cells is disclosed. Such an article is configured in a manner to permit the disposition of individual batteries in close proximity to one another while simultaneously being separated from any contact with an insulating material therebetween. The configuration is a honeycomb-like structure preventing any contact between batteries placed therein as well as protection from heat transfer from one battery to another therein. Such a separating/insulating article thus allows for safer utilization of multiple battery cells within a close-quarter array thereof, ostensibly preventing or at least significantly reducing the propensity of a single (or multiple) battery subject to a short or other damaging phenomenon from deleteriously affecting any other batteries within the array through such heat transfer possibilities. A method of utilizing such a unique honeycomb-like array with multiple separate battery cells simultaneously is also encompassed within this disclosure.
Resumen de: US20260074388A1
A conductive structure, a cover plate assembly, and a battery cell are provided. The conductive structure includes a metal post including a first end and a second end opposite to each other, and a metal layer bonded to a surface of the metal post. The metal layer wraps the first end and extends toward the second end. The metal layer is used to be connected to a tab. In an axial direction of the metal post, a distance from an end portion of the metal layer to an end surface of the second end is H1, a thickness of the metal post is D2, and a ratio of H1 to D2 is less than or equal to 0.8.
Resumen de: US20260074546A1
A charging system is provided. The charging system includes a charging device including an electrical input for receiving electrical energy, at least one output for outputting electrical energy, and a communication interface; and a charger controller programmed to a) receive a plurality of charging parameters; b) determine a charging rate of an electronic device connected to the at least one output of the charging device; c) instruct the charging device to provide electrical energy through the output to the electronic device; d) determine a current state of charge of the electronic device; e) adjust the charging rate based on the current state of charge and the plurality of charging parameters; and f) instruct the charging device to adjust the charging rate for the electrical energy being provided to the electronic device.
Resumen de: US20260074219A1
A cathode active material for lithium secondary batteries, a method of preparing the same, a cathode including the same, and a lithium secondary battery including the cathode are provided. The cathode active material includes nickel-based lithium metal oxide secondary particles each including a plurality of large primary particles, the nickel-based lithium metal oxide secondary particles having a hollow structure having pores therein, each of the plurality of large primary particles having a size of about 2 μm to about 6 μm, and each of the nickel-based lithium metal oxide secondary particles having a size of about 10 μm to about 18 μm; and a cobalt compound-containing coating layer on surfaces of the nickel-based lithium metal oxide secondary particles.
Resumen de: US20260074183A1
A method of making silicon-carbon composite particles is disclosed. The method includes: (A1) carrying out metallothermic reduction on initial particles comprising silicon oxide in the presence of a metal to form first intermediate particles comprising (1) an oxide of the metal and (2) silicon; (A2) forming a termination material on and in the first intermediate particles to form second intermediate particles; (A3) selectively removing the oxide of the metal from the second intermediate particles to form third intermediate particles; and (A4) forming a protective material on and in the third intermediate particles to form the silicon-carbon composite particles. In some implementations, the metal comprises magnesium or a magnesium-aluminum alloy. Silicon-carbon composite particles, lithium-ion rechargeable batteries, and other related processes and components are also disclosed.
Resumen de: US20260074185A1
A non-aqueous electrolyte secondary battery comprises an electrode body and an exterior body, and has a volumetric energy density of 600 Wh/L or more. The positive electrode includes: a positive electrode core body; and a positive electrode mixture layer containing a positive electrode active material. The positive electrode active material contains: a lithium-containing composite oxide having a layered rock-salt structure; and a surface modification layer that is present on particle surfaces of the composite oxide. The surface modification layer contains: at least one element of Ca and Sr; and at least one element selected from the group consisting of W, Mo, Ti, Si, Nb, and Zr. The positive electrode mixture layer has a base weight amount of 250 g/m2 or more. At least three positive electrode leads are connected to the positive electrode.
Resumen de: US20260074186A1
A positive electrode for a rechargeable lithium battery includes: a current collector; a first positive electrode active material layer on a first surface of the current collector; and a second positive electrode active material layer on a second surface of the current collector, wherein the first positive electrode active material layer includes a 1a layer in contact with the current collector and a 1b layer on a surface of the 1a layer, the 1a layer and the 1b layer each include a positive electrode active material and a binder, the 1a layer and the 1b layer have pores, a ratio of a porosity of the 1b layer to a porosity of the 1a layer is about 0.9 to about 1.1, and a thickness ratio of the first positive electrode active material layer to the second positive electrode active material layer is about 1.3:1 to about 3:1.
Resumen de: US20260074197A1
A lithium-ion battery component and method of manufacture are presented. An active material layer with a lithiophilic nitrate compound is mixed with graphite particles and coated onto a current collector. Upon polarization, lithiophilic nanoparticles form on the graphite surfaces, while nitrate anions remain in the electrode structure. The lithiophilic nanoparticles inhibit lithium plating during charging and increase electronic conductivity. The nitrate anions weaken lithium ion solvation in the electrolyte, facilitating faster lithium ion intercalation into the graphite.
Resumen de: US20260074319A1
A thermal management system includes a first liquid pipeline, a second liquid pipeline and a switching valve group, and the switching valve group is connected between the first liquid pipeline and the second liquid pipeline. The switching valve group can be switched between a first working position and a second working position; when the switching valve group is at the first working position, a circulation loop having the first liquid pipeline and a circulation loop having the second liquid pipeline are two circulation loops in which liquid flow circulations do not interfere with each other; and, when the switching valve group is at the second working position, the first liquid pipeline and the second liquid pipeline form a series circulation loop. The thermal management system can meet the working requirements of a device corresponding to a first heat exchanger and a device corresponding to a second heat exchanger.
Resumen de: US20260074316A1
A charge-discharge circuit and an electric device. The charge-discharge circuit includes a power supply module, a first drive assembly, a second drive assembly, and a first switch module, where the first drive assembly and the second drive assembly are connected in parallel between a positive terminal and a negative terminal of the power supply module; and a terminal of the first switch module is connected to the first drive assembly, and another terminal of the first switch module is connected to the second drive assembly.
Nº publicación: US20260074315A1 12/03/2026
Solicitante:
SUNGROW POWER SUPPLY CO LTD [CN]
Sungrow Power Supply Co., Ltd
Resumen de: US20260074315A1
An energy storage system and a self-heating method therefor are provided. By means of the self-heating method for an energy storage system, when a battery temperature of the energy storage system is lower than a preset permissible operation temperature, an electric energy conversion apparatus is controlled to operate in a reactive operation mode. Since a cooling liquid of the energy storage system can heat conduction with the electric energy conversion apparatus and a battery pack, the battery pack is heated by means of the flow of the cooling liquid; and after the battery temperature reaches the preset permissible operation temperature, the electric energy conversion apparatus can be controlled to operate in a normal operation mode.
BOPI
Sede Electrónica
