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1323
resultados
Última actualización
25/04/2025 [07:36:00]
Resultados 1125 a 1150 de 1323
Resumen de: US2025114881A1
The present invention relates to a jig assembly for an electrode tab, which includes: a first pressing member and a second pressing member, which are configured to press plurality of electrode tabs; and an adjustment jig configured to space the first pressing member and the second pressing member apart from each other to maintain an interval between the first pressing member and the second pressing member to adjust a pressing force applied to the electrode tabs.
Resumen de: US2025114864A1
Embodiments of the present disclosure provide a battery welding system and a control method therefor. The battery welding system includes a welding module including a welding apparatus, a driving assembly and a plurality of range finders, wherein at least some of the range finders are connected to a driving end of the driving assembly, and the driving assembly drives the range finders to move in a first direction such that a separation distance between the range finders in the first direction changes. In the battery welding system in the embodiments of the present disclosure, the driving assembly driving the range finders to move enables the separation distance between the range finders in the first direction to change, so that the separation distance between the range finders can correspond to a separation distance between regions to be welded on the battery without disassembling the range finders.
Resumen de: US2025115720A1
The present disclosure provides a hyperbranched polycaprolactone-polylactic acid copolymer (PCL-PLA), preparation method and solid electrolyte application thereof, and belongs to the technical field of polymer synthesis. The copolymer is prepared as follows: an intermediate of dihydroxymethyl propionamido-terminated polylactic acid (PLA-DMPA) is synthesized with amino-terminated polylactic acid (PLA) and 2,2-dihydroxymethylpropionic acid as starting materials, and then the PLA-DMPA is subjected to polymerization with ε-caprolactone. PCL and PLA are combined through chemical bonds. The polymer with a hyperbranched structure has many free terminal groups, which can provide increased lithium-ion transmission channels and facilitates the increase of ionic conductivity. The presence of PLA reduces the crystallinity of PCL, and is conducive to the movement of chain segments of the polymer, thereby improving the transport capacity of lithium ions in the polymer. The copolymer exhibits better cycling performance and electrochemical stability than a pure PCL electrolyte.
Resumen de: US2025114652A1
Provided is a vehicle including a vehicle body; a battery device mounted on the vehicle body; a fire extinguishing agent inlet structure configured to receive a fire extinguishing agent from an external device; and a flow path disposed on the vehicle body and connected to the fire extinguishing agent inlet structure and the battery device. The fire extinguishing agent inlet structure includes a support unit connected to the vehicle body, and a launch unit configured to be connected to the support unit and the external device, is disclosed.
Resumen de: US2025115487A1
Provided is a method of recovering valuable materials that is a method of recovering lithium carbonate from a lithium-ion secondary battery, where the lithium carbonate has a boron content of less than 1 ppm and a calcium content of 100 ppm or less. The method includes a heat treatment step, a crushing and classification step, a slurry formation step, a wet magnetic separation step, an acid leaching step, a neutralization step, a neutralized cake solid-liquid separation step, a calcium carbonate crystallization step, a calcium carbonate solid-liquid separation step, and a calcium adsorption and removal step.
Resumen de: US2025118802A1
A gel electrolyte and a separator are provided between the positive electrode current collector and the negative electrode current collector. The plurality of positive electrode current collectors and the plurality of negative electrode current collectors are stacked such that surfaces of negative electrodes with which active material layers are not coated or surfaces of positive electrodes with which active material layers are not coated are in contact with each other.
Resumen de: WO2025073104A1
Provided are a sodium-ion positive electrode material, and a preparation method therefor and the use thereof. The general formula of the sodium-ion positive electrode material is NaxNiyFezMntCuhZnmBnAlgCejMgkSruO2, and the sodium-ion positive electrode material is an O3-phase material. In the preparation method, by adding and mixing a sodium source in two steps and performing two-step sintering, a P2/O3 mixed phase is first generated to serve as an intermediate phase in a manner that the sodium source gradually increases, wherein the presence of a P2 phase can make the subsequent secondary sintering reaction more sufficient and the diffusion of elements more uniform and enables sodium ions to be uniformly supplemented into a bulk phase, resulting in an O3 phase finished product ultimately prepared having a lower content of surface residual sodium, good stability in air and good rate cycle performance.
Resumen de: US2025118984A1
Provided are an energy storage system and a control system and a control method of the energy storage system. The energy storage system includes a converter valve and an energy storage valve, the energy storage valve is connected to a direct-current side of the converter valve, and the control system includes: a coordination control subsystem, a converter valve control subsystem, and an energy storage valve control subsystem; the coordination control subsystem is used for sending an instruction to control the converter valve control subsystem and the energy storage valve control subsystem to work; the converter valve control subsystem is used for controlling, according to the instruction of the coordination control subsystem, the converter valve to work; and the energy storage valve control subsystem is used for controlling, according to the instruction of the coordination control subsystem, the energy storage valve to work.
Resumen de: US2025118983A1
A charging adapter includes a first coupler, a second coupler, a power delivery path, an arithmetic circuit, and a transmission circuit. The first coupler is detachably coupled to a power delivery adapter. The power delivery adapter outputs a DC voltage. The second coupler is detachably coupled to a battery pack. The power delivery path electrically couples the first coupler to the second coupler. The arithmetic circuit calculates a control parameter of the power delivery adapter based on a state of the battery pack coupled to the second coupler. The transmission circuit transmits the calculated control parameter to the power delivery adapter through the first coupler.
Resumen de: US2025118981A1
The present disclosure relates to a battery arrangement with cell voltage verification. The battery arrangement includes a plurality of battery cells configured as one or more battery strings and a plurality of battery cell controllers connected to at least one terminal of the plurality of battery cells. Each battery cell controller includes a power electronics arrangement and a sensor for obtaining at least one battery cell parameter associated with the plurality of battery cell, The battery arrangement further includes a master node connected to each of the one or more battery strings for obtaining a total parameter associated with the battery strings. The cell parameter obtained by the plurality of battery cell controllers is compared with the total parameter obtained by the master node to verify the voltage associated with the battery arrangement.
Resumen de: US2025118980A1
A V-mount battery includes a battery cell; a BMS module electrically connected to the battery cell and configured to monitor electrical parameters of the battery cell and control input and output of the battery cell based on the electrical parameters of the battery cell; an interface module electrically connected to the BMS module and configured to provide an output voltage to an external load based on a discharge voltage of the battery cell when connected to the external load, and to charge the battery cell when connected to an external power source, the interface module comprising a DC output interface; and a voltage transformation module electrically connected to the BMS module and the DC output interface, respectively, the voltage transformation module being configured to convert the discharge voltage of the battery cell to a target output voltage and output the target output voltage to the DC output interface.
Resumen de: WO2025075359A1
Disclosed is a method for recovering valuable metals from a waste battery according to various embodiments of the present invention for realizing the objective described above. The method may include the steps of: performing heat treatment on an object corresponding to a waste lithium ion battery through a heat treatment device; performing a crushing process using a crushing device in correspondence to the object recovered after the heat treatment, to obtain a plurality of recovery bodies; performing a filtering process on the plurality of recovery bodies through a sieving device to obtain a plurality of separation bodies having different particle sizes; performing a leaching process using a leaching device in correspondence to a first one among the plurality of separation bodies to separate lithium carbonate from the first separation body and obtain a valuable metal oxide; performing a pulverizing process on the valuable metal oxide through a pulverization device to refine the valuable metal oxide; obtaining mixed powder from the refined valuable metal oxide through a magnetic separation process using a magnetic separation device; and separating the valuable metal oxide from which the mixed powder has been removed into a plurality of sub-oxides on the basis of the difference in specific gravity between components by using a specific gravity separation device.
Resumen de: WO2025075374A1
The present invention relates to a unit cell, a secondary battery comprising the unit cell, and a battery module comprising the secondary battery. The unit cell according to the present invention comprises: an electrode stack in which a first electrode, a separator, and a second electrode are alternately stacked; a first electrode tab extending from the first electrode; and a second electrode tab extending from the second electrode, wherein the first electrode and the second electrode are formed to have lengths greater than the widths thereof, the first electrode tab and the second electrode tab extend in the width directions of the first electrode and the second electrode, and the first electrode tab is provided on the first electrode in a number of at least two.
Resumen de: WO2025075043A1
This power storage device includes an electrode body and an exterior body that seals the electrode body. The electrode body includes a first end portion, a second end portion disposed apart from the first end portion, and an intermediate portion continuously extending between the first end portion and the second end portion. The exterior body includes an exterior film wrapping the intermediate portion, and a lid body disposed on the first end portion side and/or the second end portion side, the lid body having a bonding surface that is bonded to the exterior film. The outer periphery of the intermediate portion is smaller than the outer periphery of the bonding surface.
Resumen de: WO2025075373A1
Provided is a thermal barrier for a secondary battery, comprising: a metal enclosure having an internal space; a cooling insulation material provided inside the metal enclosure; a metal support which accommodates the metal enclosure; and a packaging pouch which surrounds the metal support, wherein the metal support includes a first plate and a second plate, and the metal enclosure is accommodated between the first plate and the second plate.
Resumen de: US2025118870A1
In one embodiment a battery module having a width and a length includes a plurality of battery cells and a plurality of bus bars. The plurality of battery cells can be arranged in a plurality of physical rows along the length of the battery module. The plurality of bus bars can be located along the length of the battery module and define a plurality of electrical rows. Each bus bar can be electrically coupled to battery cells of more than one physical row. The battery cells of each electrical row can be connected in parallel and the electrical rows can be connected in series.
Resumen de: US2025118855A1
Provided are end cover, battery cell, battery, electrical device, and manufacturing method. The end cover is provided with a first recess and a second recess at two sides thereof in its thickness direction, respectively. The first recess has a first bottom surface, and the second recess has a second bottom surface. A pressure relief portion is formed at a portion of the end cover between the first bottom surface and the second bottom surface along the thickness direction. The pressure relief portion has a weakened portion, and the weakened portion is broken when pressure is to be relieved from the battery cell. The end cover is provided with a first recess and a second recess at two sides thereof in the thickness direction, respectively.
Resumen de: US2025118867A1
Discussed is a battery module, which includes a plurality of battery assemblies and a flexible rod. Each battery assembly includes a frame and at least one battery unit, and the at least one battery unit is disposed within the frame. The flexible rod sequentially passes through the plurality of battery assemblies, and the plurality of battery assemblies jointly construct a structure configured to be curved by bending the flexible rod.
Resumen de: US2025118848A1
The present disclosure may provide a battery storage tray including an accommodating portion, an insert, and a fastening portion, wherein the accommodating portion includes an internal space housing the insert and one or more coupling portions provided in the internal space, the internal coupling portion including a fastening hole, the insert includes an insert coupling portion provided with a storage groove and a through-hole, and the fastening portion passes through the through-hole and is coupled with the fastening hole.
Resumen de: US2025118866A1
An interconnect board frame for a battery module, the battery module having at least a first battery cell having a positive terminal and a negative terminal, includes a first frame member defining a first slot aligned with the positive terminal of the first battery cell, a second frame member connected to the first frame member, the second frame member defining a second slot aligned with the negative terminal of the first battery cell, and a puzzle joint defined by the connection of the first frame member and the second frame member, wherein the puzzle joint extends between the first slot and the second slot across a series connection between battery cells.
Resumen de: US2025118868A1
A battery system comprises at least one battery cell and a busbar assembly. The busbar assembly for an electric vehicle having a busbar for electric power distribution and a connector. The busbar comprises a body made of conducting material, the body being at least partially hollow, such that the busbar comprises at least one conductive inner surface and an air gap adapted to increase cooling efficiency by natural convection, such that a passive cooling is realized.
Resumen de: WO2025073107A1
A directional cyclic leaching method for lithium iron phosphate black powder, the lithium iron phosphate black powder being leached by means of introducing ozone into an ammonia water system.
Resumen de: WO2025073030A1
The present invention relates to a method for extracting energy from a lead-acid battery. According to said method, in a lead-acid battery discharged at C20, comprising at least one positive plate and one negative plate containing an active mass with spongy Pb and PbO₂ particles, wherein the size of the particles is equal to or smaller than that of microparticles, preferably nanoparticles, recharge pulses are applied between the positive and negative plates, wherein the recharge pulses reversibly compress the negative plate and tension the positive plate, and discharge pulses are continuously applied, with a longer duration than that of the recharge pulses, wherein the discharge pulse reversibly tensions the negative plate and reversibly compresses the positive plate. The recharge and discharge pulses are maintained continuously, generating an extraction current.
Resumen de: WO2025073022A1
The present invention relates to a structural arrangement for a multi-layer photovoltaic module, composed of laminated cells and batteries, for use in panels and/or tiles, comprising incorporation of the photovoltaic units (cells) mounted integrally with the batteries, said batteries having a laminated structure, the proposed arrangement comprising a laminar panel formed by layers interconnected by connecting EVA sheets 2, 2' and 2" and closed by a rigid plastic layer 7 on its lower portion and by a glass or PET sheet 3 covering silicon cell-units 1 on its upper portion, characterized in that the silicon cell-units 1 are mounted on a laminar battery formed by a cathode sheet 4, placed on top of a dielectric laminated separator 5, placed on top of the anode sheet 6, said "sandwich" layers being composed of "strips" where one of the short sides has a projection 8 from which the electrical cables extend.
Nº publicación: WO2025075771A1 10/04/2025
Solicitante:
LAWRENCE LIVERMORE NAT SECURITY LLC [US]
THE BOARD OF TRUSTEES OF THE UNIV OF ILLINOIS [US]
THE REGENTS OF THE UNIV OF CALIFORNIA [US]
LAWRENCE LIVERMORE NATIONAL SECURITY, LLC,
THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS,
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
Resumen de: WO2025075771A1
A product, in accordance with one aspect of the present invention, includes a porous first layer having a first porosity, and a porous skin layer having a second porosity that is relatively lower than the first porosity. The skin layer is a self-formed layer. A method, in accordance with one aspect of the present invention, includes contacting a resin with a separator. The resin is exposed to radiation for curing the resin, thereby simultaneously creating a porous first layer and a porous skin layer positioned between the first layer and the separator. The first layer has a first porosity. The skin layer has a second porosity that is relatively lower than the first porosity.
BOPI
Sede Electrónica
