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1398
resultados
Última actualización
16/12/2025 [07:11:00]
Resultados 150 a 175 de 1398
Resumen de: WO2025254297A1
An all-solid-state battery includes a laminate comprising a positive electrode layer, a solid electrolyte layer, and a negative electrode layer stacked in a first direction. A first external electrode is connected to the positive electrode layer and disposed on the laminate, and a second external electrode is connected to the negative electrode layer and disposed on the laminate. The positive electrode layer includes a positive electrode current collector and a positive electrode active material layer in contact with the solid electrolyte layer, and the negative electrode layer includes a negative electrode current collector and a negative electrode active material layer in contact with the solid electrolyte layer. The laminate is curved in a second direction intersecting the first direction.
Resumen de: WO2025251278A1
The present application relates to a battery cell, an electrode assembly, a battery and an electrical apparatus. The battery cell comprises a casing, an electrode assembly and an end cover assembly; the electrode assembly comprises a first electrode sheet and a second electrode sheet which have opposite polarities, and a separator; the first electrode sheet, the second electrode sheet and the separator are wound in a winding direction to form a winding structure, the winding structure comprising a straight region and a bent region; the first electrode sheet comprises a first current collector and a first active material layer which are connected to each other, the first current collector comprising a base portion and a thickened portion; the thickened portion is located within the bent region and extends toward the straight region for a predetermined length, and the base portion is located within the straight region and connected to the thickened portion, the thickened portion having a thickness greater than the thickness of the base portion and being arranged protruding from the base portion, and the first active material layer covering the base portion and the thickened portion. In the electrode assembly, the battery cell, the battery and the electrical apparatus provided in the present application, the electrode assembly can reduce the risk of short-circuit in the battery cell, thereby ensuring the overall reliability of the battery cell.
Resumen de: WO2025251336A1
A battery (100) and an electric device. The battery (100) comprises a plurality of battery cells (10) and a busbar member (20); the busbar member (20) comprises a first connection portion (21), a second connection portion (22) and a plurality of buffer portions (23); the plurality of buffer portions (23) are at least partially spaced apart in a first direction and are located between the first connection portion (21) and the second connection portion (22) in a second direction; the first connection portion (21) and the second connection portion (22) are respectively connected to different battery cells (10); the second direction is parallel to the arrangement direction of the plurality of battery cells (10); the first direction intersects the second direction. The buffer portions (23) can be stretched or compressed under the action of a pulling force, to absorb part of the external force and achieve a stress relief function, reducing the risks of structural failure or cracking in the busbar member (20) and the battery cells (10), enhancing the operational reliability of the battery (100).
Resumen de: US2025376375A1
A process for producing a sulfamyl fluoride composition includes providing a solution comprising fluorosulfonic acid, urea and a solvent; reacting the solution at a reaction temperature from 80° C. to about 170° C. to produce a mixture including sulfamyl fluoride, bis(fluorosulfonyl) imide, ammonium fluorosulfate and the solvent; separating the ammonium fluorosulfate from the mixture; and separating the mixture into a sulfamyl fluoride composition and a recycle composition, the sulfamyl fluoride composition including a higher concentration of sulfamyl fluoride and bis(fluorosulfonyl) imide than the recycle composition. A mole ratio of the fluorosulfonic acid to the urea in the solution is from about 1.80:1 to about 2.00:1.
Resumen de: US2025376374A1
A method for producing lithium hydroxide includes: reacting lithium carbonate with calcium hydroxide in a liquid to obtain a solution containing lithium hydroxide; subjecting the solution to solid-liquid separation into a liquid component containing the lithium hydroxide and a solid component comprising lithium derived from the lithium carbonate; and recovering the lithium hydroxide from the liquid component.
Resumen de: WO2025253788A1
In the present invention, heat generated by individual battery cells in a battery block is efficiently transferred to a cooling plate. This power supply unit comprises: a battery block 3 comprising a plurality of battery cells 2 disposed such that lower-end surfaces thereof are disposed in the same plane to form a cooling surface 3a; an insulating frame 4 located under the cooling surface 3a of the battery block 3 and having through holes 5 open at opposing positions with respect to the lower-end surfaces of the battery cells 2; a heat-dissipating laminate 6 located between the battery block 3 and the insulating frame 4; and a cooling plate 10 disposed under the insulating frame 4. The heat-dissipating laminate 6 comprises: an insulating film 7 layered on the insulating frame 4; and a thermally conductive material 8 filling gaps between the insulating film 7 and the battery block 3 and closely adhered to the insulating film 7 and the lower-end surfaces of the battery cells 2 in a thermally conductive state. In the heat-dissipating laminate 6, a closed area 7a of the insulating film 7, which closes the upper openings of the through holes 5, is disposed in a thermally bonded state opposite the surface of the cooling plate 10 through the through holes 5 of the insulating frame 4.
Resumen de: WO2025253540A1
This secondary battery inspection method comprises: a step for positioning, in a chamber, a secondary battery cell that includes a sulfide solid electrolyte; a step for pressurizing the space in the chamber; a step for depressurizing the space in the chamber after the pressurization step; and a step for measuring the hydrogen sulfide concentration in the chamber after the depressurization step.
Resumen de: WO2025253527A1
A contact pressure application unit (67) applies contact pressure to a plurality of cells. A contact pressure information acquisition unit (61) acquires contact pressure information indicating a cell contact pressure that is the contact pressure applied to the plurality of cells. A temperature information acquisition unit (62) acquires temperature information indicating a cell temperature that is the temperature of the plurality of cells. A voltage value information acquisition unit (63) acquires voltage value information indicating a cell voltage value that is a voltage value for the plurality of cells. A contact pressure determination unit (66) determines the cell contact pressure to be applied to the plurality of cells such that the current value of a circulating current determined from the cell contact pressure, the cell temperature, and the cell voltage value is at or below a maximum allowable current value determined from the cell temperature when the charging state of a plurality of modules is adjusted by the circulating current.
Resumen de: WO2025253530A1
This solid-state battery system (1) comprises: a solid-state battery module (10) obtained by stacking one or more battery cells (11) having a positive electrode layer, a negative electrode layer, and a solid electrolyte layer disposed between the positive electrode layer and the negative electrode layer; a surface pressure measurement device (20) that measures the surface pressure distribution of the solid-state battery module (10); and a control unit (100) that controls the charging and discharging of the solid-state battery module (10). If the difference in the surface pressure between a low-surface pressure section having a low surface pressure and a high-surface pressure section having a high surface pressure in the surface pressure distribution of the solid-state battery module (10) is detected to be equal to or greater than a first threshold value when the surface pressure distribution is measured by the surface pressure measurement device (20), the control unit (100) performs discharging at a reference current value or higher.
Resumen de: US2025376387A1
Simple, material-efficient microgranulation methods are disclosed for aggregating precursor particles into larger product particles with improved properties and, in some instances, novel structures. The product particles are useful in applications requiring uniform, smooth, spherical, or rounded particles such as for electrode materials in lithium batteries and other applications.
Resumen de: US2025376384A1
A lithium compound generating system can include a source of a first CO2 containing gas, a CO2 capture unit, a lithium-containing source feed, a bipolar electrodialysis unit, and a first reaction site. The first CO2 containing gas can include a first concentration of CO2. The CO2 capture unit can receive the first CO2 containing gas and output a release gas including a second concentration of CO2 greater than the first, the second concentration achieved by carbon capture. The lithium-containing source feed can provide a lithium-containing material. The bipolar electrodialysis unit can process the lithium-containing material and generate an aqueous LiOH product. The first reaction site can be configured to receive the release gas and at least a first portion of the aqueous LiOH product, facilitate a first reaction therein to yield an amount of Li2CO3. A second reaction site can convert a second portion of the aqueous LiOH product into LiOH·H2O.
Resumen de: US2025376415A1
This disclosure relates to novel lithium ion battery structures and methods of manufacture. One particular method includes a method of coating a porous glass substrate. The method includes: providing a porous glass substrate; flowing gaseous hydrocarbon onto a porous glass substrate in a reaction zone; and exposing the porous glass substrate to a concentrated solar irradiation in the reaction zone such that the porous substrate and gases surrounding the porous substrate absorb the concentrated solar irradiation producing heat. The heat chemically reduces glass fibers in the porous glass substrate into silicon fibers, and the heat decomposes the gaseous hydrocarbon into a carbon coating on the silicon fibers.
Resumen de: US2025376563A1
Provided is a novel sulfur-containing polymer and a method for producing the same, a composition comprising the novel sulfur-containing polymer, and a sulfur-containing compound. The sulfur-containing macromolecular compound of the present invention has a structural unit represented by, for example, the following formula (1):wherein in formula (1), n represents a number of 1 or more, R represents an organic group, and R1 represents a divalent organic group derived from a polycondensable functional group. The method for producing a sulfur-containing macromolecular compound of the present invention comprises reacting a linear sulfur polymer and compound C having two polycondensable functional groups to obtain a sulfur-containing macromolecular compound.
Resumen de: US2025376263A1
Disclosed is a hybrid battery pack designed for aircraft. The hybrid battery pack comprises a primary battery comprising battery cells having a high self-discharge rate (high K-value) for daily operation and an emergency battery comprising battery cells having a low self-discharge rate (low K-value) for emergency power. This hybrid battery pack addresses the trade-off between battery lifetime and weight, offering enhanced safety, reliability, and efficiency for aircraft.
Resumen de: WO2025253462A1
In a heat exchanger 10, a supply pipe part 15 and a discharge pipe part 16 are provided at asymmetric positions with respect to a central axis in the width direction. The heat exchanger 10 has two or more upstream-side flow paths R1a, R1b, R1c, R1d, R1e extending along the central axis, two or more downstream-side flow paths R1f, R1g, R1h, R1i, R1j extending along the central axis, and a first aggregation flow path R1k.
Resumen de: WO2025253642A1
A cell balancing device (1) according to the present embodiment comprises, with respect to the entirety of N-number of cells (20) connected in series: one transformer (T); one switching element (112); one current detector (113); N-number of rectifying elements (122); and one control unit (13). The control unit (13) causes the switching element (112) to perform on/off operations by outputting a PWM signal to the switching element (112), and in particular, when the current value of the current detected by the current detector (113) exceeds a predetermined upper limit threshold (TH), the control unit (13) sets the PWM signal to an off-level.
Resumen de: WO2025253395A1
The present invention relates to an electronic control unit (100). The electronic control unit (100) has one or more printed circuit boards (110) configured to support and electrically connect one or more electrical components (112) of the electronic control unit (100). Further, one or more bus capacitors (120) are attached to one of the one or more printed circuit boards (110). The one or more printed circuit boards (110) are attached to an inner face (130A) of the heat sink (130), and one or more fins (136) are provided on an outer face (130B) of the heat sink (130), thereby allowing heat from at least the one or more electrical components (112) to be released into the atmosphere. The inner face (130A) of the heat sink (130) having a recess (132) configured to receive the one or more bus capacitors (120).
Resumen de: WO2025252213A1
The present application relates to the technical field of secondary batteries, and disclosed are a battery cover plate and a battery. The battery cover plate comprises: a terminal post; an electrically conductive member connected to the terminal post; a sealing ring sleeved on the terminal post, wherein a bottom side of the sealing ring abuts against the electrically conductive member; and a fixing assembly sleeved on the terminal post, wherein the fixing assembly abuts against a top side of the sealing ring and presses the sealing ring, a reserved space is provided between the fixing assembly and the sealing ring before the sealing ring is compressed, the compressed volume of the sealing ring is V1, and the volume of the reserved space is V2, meeting 0.4V1≤V2≤V1. In the present application, when the sealing ring is pressed for sealing, by means of controlling the volume of the reserved space by limitation, it is ensured that the reserved space is filled with the sealing ring, and the situation where the fixing assembly is pressed by the sealing ring to deform due to an excessively small volume of the reserved space is also prevented.
Resumen de: US2025375831A1
A one-step induction welding assembly configuration for a battery enclosure includes a tray constructed of a constructed of thermoplastic composite material. The tray is part of the battery enclosure. The one-step induction welding assembly configuration also includes a cooling component constructed of one of the following: thermoplastic composite material and metal, where the cooling component is joined to the tray at a joining interface, and the cooling component is part of the battery enclosure. The one-step induction welding assembly configuration also includes a plurality of induction coils that are energized to create an electromagnetic field that generates heat and joins the tray and the cooling component together at the joining interface, a layer of electrically insulating material disposed directly underneath the plurality of induction coils, and a die that exerts a clamping force against the tray of the battery enclosure.
Resumen de: US2025374969A1
An aerosol generating device includes: a heater configured to heat an aerosol generating material to generate an aerosol; a battery configured to supply power to the heater; a controller configured to determine an operating state of the aerosol generating device divided into a heating state and a non-heating state; a first circuit unit configured to control operation of the heater; and a second circuit unit configured to control charging and discharging of the battery, wherein the controller communicates with the first circuit unit in the heating state, communicates with the second circuit unit in the non-heating state, and, on the basis of a result of the communication, determines whether or not an abnormality has occurred according to the operating state of the aerosol generating device, thus allowing a safety accident of the aerosol generating device to be prevented in advance.
Resumen de: US2025375836A1
A laser etching device, which etches an active material portion on an electrode sheet including the active material portion and a non-coating portion, according to an embodiment of the present invention includes a laser unit configured to irradiate laser onto the active material portion, a blowing unit configured to blow foreign substances generated by the etching of the active material portion toward the non-coating portion, and a suction unit disposed at an opposite side of the blowing unit with the laser unit therebetween to suction the foreign substances, wherein the laser unit, the blowing unit, and the suction unit are disposed in a direction traversing a moving direction of the electrode sheet.
Resumen de: US2025375636A1
A low footprint energy storage system installation includes a plurality of energy storage systems arranged in a stacked configuration to reduce a footprint of installation, and an indication system externally disposed relative to the plurality of energy storage systems. The indication system includes a housing, a fire alarm device, a discharge alarm device, and a panel assembly at least partially disposed in the housing and including an annunciation panel. The indication system includes a controller at least partially disposed in the housing and in communication with each of the plurality of energy storage systems, the fire alarm device, the discharge alarm device, and the panel assembly. The low footprint energy storage system installation further includes a thermal management system and a fire suppressing system communicably coupled with the controller of the indication system and in fluid communication with each of the plurality of energy storage systems.
Resumen de: WO2025252210A1
The present application relates to the field of power batteries, and discloses a liquid cooling assembly, a battery module, a battery pack, and a vehicle. The liquid cooling assembly comprises a flow collecting device and at least one liquid cooling member; the flow collecting device is provided with a water port and at least one connection port is formed in the flow collecting device; and each liquid cooling member is in sealed insertion connection with a corresponding connection port in the flow collecting device. Connection ports formed in a flow collecting device can be in sealed insertion connection with liquid cooling members, and the number of connection ports in the flow collecting device can be set according to actual requirements, so that the liquid cooling assembly can be flexibly configured.
Resumen de: WO2025252018A1
Disclosed in the present application are a positive electrode active material with combined large and small particles and a preparation method therefor, a lithium-ion battery, and an electric device. The positive electrode active material with combined large and small particles comprises a large-particle positive electrode active material and a small-particle positive electrode active material, wherein the mass ratio of the large-particle positive electrode active material is not less than 50%, the D50 of the large-particle positive electrode active material is 9-14 μm, and the particle size distribution range (D90-D10)/D50 thereof is 1.0-1.5; and the D50 of the small-particle positive electrode active material is 3-6 μm, and the particle size distribution range (D90-D10)/D50 thereof is 0.6-1.0.
Nº publicación: WO2025252227A1 11/12/2025
Solicitante:
HEFEI GOTION HIGH TECH POWER ENERGY CO LTD [CN]
\u5408\u80A5\u56FD\u8F69\u9AD8\u79D1\u52A8\u529B\u80FD\u6E90\u6709\u9650\u516C\u53F8
Resumen de: WO2025252227A1
A multi-layer laminated cell battery, comprising: a laminated cell assembly, a positive electrode cover plate, and a negative electrode cover plate, wherein the laminated cell assembly comprises a plurality of layers of laminated cells, tabs are connected to both ends of each laminated cell, and the tabs at different layers are misaligned with each other; the positive electrode cover plate and the negative electrode cover plate are respectively mounted at both ends of the laminated cells; a busbar connecting piece in contact with tabs is mounted on the surface of each of the positive electrode cover plate and the negative electrode cover plate. By mounting tabs and busbar connecting pieces at both ends of a plurality of layers of laminated cells and connecting a plurality of tabs to the busbar connecting piece on the same side, the discharge requirements of the plurality of layers of laminated cells are satisfied. The tabs comprise current guide pieces of different lengths, so as to adapt to the conductivity requirements of laminated cells at different heights; and when the lengths of tab connecting pieces of the laminated cells are insufficient to satisfy the assembly requirements, the current guide pieces are added onto the tab connecting pieces so as to satisfy the assembly requirements.
BOPI
Sede Electrónica
