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1535
resultados
Última actualización
02/10/2025 [07:24:00]
Resultados 1200 a 1225 de 1535
Resumen de: US2025293363A1
A power storage device configured to store electric power includes a casing, one or more cell connected bodies, and a base member on which the one or more cell connected bodies are carried. Each of the one or more cell connected bodies includes a plurality of power storage cells and a connection portion that electrically connects the power storage cells to each other. The one or more cell connected bodies and the base member are accommodated in the casing.
Resumen de: WO2025189678A1
A film wrapping apparatus and method for a battery cell. The film wrapping method comprises: in response to a first transfer mechanism reaching a packaging film feeding compartment, a control device controlling a first suction cup module to suction a packaging film in the packaging film feeding compartment, and controlling the first transfer mechanism to transfer the packaging film to a hot melting mechanism; the control device monitoring the vacuum pressure value of the first suction cup module, when the vacuum pressure value is less than a set threshold, determining that the packaging film falls off, and controlling the first transfer mechanism to return to the packaging film feeding compartment so as to re-suction a packaging film; in response to the packaging film being transferred to the hot melting mechanism, the control device controlling the hot melting mechanism to pretreat the packaging film to obtain a pretreated packaging film; and controlling a second transfer mechanism to transfer the pretreated packaging film to a wrapping mechanism, and controlling the wrapping mechanism to use the pretreated packaging film to perform wrapping. According to the film wrapping apparatus and method, it is monitored in real time whether packaging films fall off, thereby mitigating the problem of abnormal quality of battery cells caused by falling-off of the packaging films, and thus improving the production efficiency of the battery cells.
Resumen de: WO2025189680A1
The present application relates to the field of lithium-ion battery preparation, and provides a method for synthesizing a ferrous sulfide material from a pyrite raw material and an application. A pyrite raw material is crushed and then physically mixed with iron powder and carbon source powder, and is heated in an inert atmosphere to obtain ferrous sulfide powder; the ferrous sulfide powder is mixed with deionized water and then subjected to wet ball milling and high-speed fine grinding to obtain a ferrous sulfide suspension; then, the ferrous sulfide suspension is spray-dried to obtain a precursor of ferrous sulfide microspheres, and the precursor is annealed to obtain a ferrous sulfide material. In the present application, the ferrous sulfide material is applied to a lithium-ion battery to serve as an active material of a negative electrode. By introducing a reducing agent, the present application can solve the problem in conventional methods that pyrite cannot be directly used to synthesize ferrous sulfide due to the presence of an impurity phase. In addition, the present application involves low costs, a simple process and low energy consumption, and is environmentally friendly and easy to realize large-scale production.
Resumen de: WO2025189543A1
A battery module (1000), and a battery pack. The battery module (1000) comprises a liquid-cooling assembly (1), a battery cell assembly (2) and heat-conducting members (3), wherein the liquid-cooling assembly (1) comprises a plurality of liquid-cooling plates (11) extending in a first direction, the plurality of liquid-cooling plates (11) are arranged at intervals in a second direction intersecting the first direction, and each liquid-cooling plate (11) comprises a plurality of arc-shaped portions (11A); the battery cell assembly (2) comprises a plurality of columnar battery cells (21), and each battery cell (21) is arranged on one side of a liquid-cooling plate (11) in the second direction and is connected to a corresponding arc-shaped portion (11A); and the heat-conducting members (3) are arranged between the battery cells (21) and the arc-shaped portions (11A) and are connected to the battery cells (21) and the arc-shaped portions (11A), and an included angle between the circle center of each battery cell (21) and a connecting line of two ends of a heat-conducting member (3) is α, with α satisfying: 72°≤α≤82°.
Resumen de: US2025294277A1
Various portable sound emitting devices and methods of manufacturing the same are provided. An example portable sound emitting device includes a device housing comprising at least one engageable button, wherein each of the at least one engageable button is backlit. The portable sound emitting device also includes a sound emitting component within the device housing. The sound emitting component is controlled via the at least one engageable button. The portable sound emitting device further includes a rechargeable battery coupled to the sound emitting component within the device housing.
Resumen de: US2025293612A1
A modular power conversion system is disclosed. The modular power conversion system includes the novel topology which integrates a rectifier block, an inverter block, and DC/DC convertor block in a unified, Universal Convertor. Further, the UC can be ganged at the AC input or output terminals in a modular fashion. The UC delivers the added benefit that the DC stage is isolated, and also to be of unconstrained voltage magnitude. This delivers the benefit of easily ganging DC sources and loads; in the case of batteries, combined modular UC blocks are battery agnostic. The rectifier, DC voltage control, and inverter are each bidirectional: power can be controlled to flow in either direction.
Resumen de: US2025293572A1
A method for expanding features of a gas engine replacement device that drives power equipment including controlling, by an electronic processor of the gas engine replacement device, a power switching network to selectively provide power from a battery pack to rotate a motor of the gas engine replacement device. A module interface of the gas engine replacement device receives an external electronics module. A type of the external electronics module received by the module interface is detected by the electronic processor of the gas engine replacement device. The gas engine replacement device is configured by the electronic processor based on the type of the received external electronics module. The electronic processor communicates with the external electronics module via the module interface.
Resumen de: US2025293551A1
A wireless power receiving device includes rectennas configured to generate sub-direct current (DC) powers based on sub-alternating current (AC) powers, a DC power combining circuit, processing circuitry configured to divide the rectennas into first to third groups based on power distribution information and first and second reference values, the power distribution information being based on the sub-AC powers, generate a control signal based on the first to third groups including different numbers of rectennas, control the DC power combining circuit to perform a series connection and a parallel connection for the plurality of sub-DC powers based on the control signal, the DC power combining circuit being configured to generate a combined DC power by performing a power synthesis based on the series connection and the parallel connection, and generate an output power based on the combined DC power, and a battery configured to store the output power.
Resumen de: US2025293488A1
A high-voltage box and an energy storage system are provided. The high-voltage box includes a main body, a battery management system, and an electrical module. The battery management system and the electrical module are detachably installed in the main body. The battery management system and the electrical module are provided adjacent to each other and are connected. The electrical module includes a substrate and a plurality of electrical components. The substrate is provided with a plurality of installation regions for installing the electrical components. The substrate is further provided with an adapter with a plurality of interfaces for connection with the electrical components and an external battery system respectively.
Resumen de: WO2025193009A1
A battery pack according to an embodiment of the present invention comprises: a first housing; a battery cell disposed inside the first housing; a battery management module disposed on one surface of the battery cell; and a second housing that covers the first housing, wherein the battery management module includes a region that does not overlap with the one surface of the battery cell, thereby enabling direct bidirectional radiation from an antenna inside the battery management module, which can improve the SNR of the battery management module.
Resumen de: WO2025192909A1
The battery pack according to the present invention comprises: a plurality of cylindrical secondary batteries; and pouch-type secondary batteries located between the plurality of cylindrical secondary batteries and each having a curved surface on the side that faces a cylindrical secondary battery, the curved surface corresponding to the side surface of the cylindrical secondary battery.
Resumen de: WO2025192607A1
Provided is a solid electrolyte (11) which has a compound that contains lithium, a halogen, and one or more elements that are selected from the group consisting of Zr, Al, Y, Zn, In, Ta, Nb, Hf, La, Ce, Ba, Sr, Ca, Mg, and Ga. The fluorine concentration in a surface region (11B) is higher than that in a central region (11A), and the thickness of the surface region (11B) is 1 nm to 1,000 nm.
Resumen de: WO2025192894A1
A battery management apparatus disclosed in the present document comprises: a temperature sensor for measuring the temperature of a battery cell; a communication unit for receiving a charging signal of the battery cell; and a control unit for applying a current to a heating channel connecting the same pole, on the basis that the charging signal is a fast charging signal, and stopping the application of the current on the basis that the temperature of the battery cell received from the temperature sensor reaches a reference temperature.
Resumen de: WO2025192896A1
The present invention relates to a battery module comprising: a plurality of battery cells; a barrier member for partitioning the plurality of battery cells; and a module case which accommodates the plurality of battery cells and the barrier member, and which has a protruding portion formed on one side surface thereof such that at least a part thereof protrudes toward the barrier member.
Resumen de: WO2025192891A1
The battery assembly according to an embodiment of the present invention includes: a plurality of battery cells stacked along one direction; cell frames connected along respective edges of the battery cells and covering the edges of the battery cells; and a heat sink having at least one cooling plate disposed in at least one position between the battery cells. One of the cell frames has a cell vent portion formed at a portion corresponding to the lower end portion of the battery cells.
Resumen de: WO2025190033A1
An electrochemical device and an electronic device. The electrochemical device comprises a positive electrode sheet, wherein the positive electrode sheet comprises a positive electrode current collector and a positive electrode active material layer arranged on at least one surface of the positive electrode current collector. The positive electrode active material layer comprises conductive particles, wherein the conductive particles comprise at least one of antimony-doped tin oxide (SnO)x1(Sb2O3)x2 or aluminum-doped zinc oxide (ZnO)y1(Al2O3)y2, with the ratio of x1:x2 ranging from 80:20 to 95:5, and the ratio of y1:y2 ranging from 85:15 to 99:1. The antimony-doped tin oxide (SnO)x1(Sb2O3)x2 and the aluminum-doped zinc oxide (ZnO)y1(Al2O3)y2 have good conductivity and a poor adsorption capacity, such that the conductivity of the conductive particles can be improved. The arrangement is beneficial for improving the conductivity of the conductive particles, thereby improving the cycle performance of the electrochemical device.
Resumen de: WO2025189938A1
The present application provides a secondary battery and an electric apparatus. The secondary battery comprises an electrode assembly, the electrode assembly being of a wound structure and comprising a positive electrode sheet, a negative electrode sheet, a first separator and a second separator; the first separator comprising a first base film and a first ceramic coating, the first ceramic coating being arranged on at least one side of the first base film, the first ceramic coating comprising first ceramic particles, and the first ceramic particles comprising at least one of aluminum oxide, zirconium dioxide, titanium dioxide, or silicon dioxide; the second separator comprising a second base film and a second ceramic coating, the second ceramic coating being arranged on at least one side of the second base film, the second ceramic coating comprising second ceramic particles, and the second ceramic particles comprising boehmite. The above arrangement enables a secondary battery to achieve a balance between energy density, cycle performance, and safety performance.
Resumen de: WO2025190025A1
Provided are an electrolyte, a battery, and an energy storage device, for use in solving the problem in existing batteries of poor high-voltage cycling stability and safety of electrolytes. The electrolyte comprises a lithium salt, a solvent, and additives. The additives include a first additive and a second additive. The first additive is one or more of compounds as shown in formula I, and the second additive is one or more of compounds as shown in formula II. R1-R6 are each independently selected from F, a C6-C26 fluoro-substituted phenoxy group, and a C1-C20 fluoro-substituted alkoxy group, R7-R12 are each independently selected from halogen, a C1-C20 fluoro-substituted alkyl group, a cyano group, and an amino group, at least one of R7-R12 is selected from the cyano group, and the halogen includes one or more of fluorine, chlorine, bromine and iodine.
Resumen de: WO2025190001A1
An electric device (2000) comprises an energy storage device (1000), wherein the energy storage device (1000) comprises a battery (200), the battery (200) comprises a chip assembly (100) for the battery (200), the chip assembly (100) comprises a chip (10), a positive electrode member (101) and a negative electrode member (102), the chip (10) comprises a circuit structure and a detection structure, there is an integrated circuit on the circuit structure, and the detection structure is electrically connected to the circuit structure; one end of the positive electrode member (101) is electrically connected to the circuit structure, and the other end of the positive electrode member (101) is suitable for being connected to a positive electrode of the battery (200); and one end of the negative electrode member (102) is electrically connected to the circuit structure, and the other end of the negative electrode member (102) is suitable for being connected to a negative electrode of the battery (200).
Resumen de: WO2025192875A1
The present invention relates to an anode active material for a lithium secondary battery, a preparation method therefor, and a lithium secondary battery comprising the anode active material, the anode active material comprising a plurality of spherical natural graphite particles, wherein the spherical natural graphite particles are structured such that flaky natural graphite fragment particles are coagulated and assembled in a cabbage-like shape or randomly, phosphorus (P) atoms form C-O-P or C-P-O bonds on the edge planes of all or at least some of the flaky natural graphite fragment particles constituting the surface or inside of each of the spherical natural graphite particles, the spherical natural graphite particles have a protruding/recessed surface morphology including a structurally-protruding portion protruding from the particle surface and a structurally-recessed portion recessed from the particle surface, the percentage of the number of particles having a circularity of 0.95 or less is 66% or higher, and the tap density is 1.17 g/cm3 or greater.
Resumen de: WO2025192925A1
The present invention relates to an electrode stacking device comprising a battery frame provided such that at least one electrode and a separator may be stacked. The battery frame includes: a base part provided to support the at least one electrode and the separator; and a guide part provided on at least one side of the base part. The guide part includes: a first guide part having at least one first accommodation part provided to be capable of accommodating an electrode terminal part of at least one electrode an electrode end of the at least one electrode; and a second guide part having at least one second accommodation part provided to be capable of accommodating an auxiliary guide part. The first guide part and the second guide part are arranged on different sides of a side part.
Resumen de: WO2025192362A1
This method for manufacturing an all-solid-state secondary battery module includes the following steps (1) to (4). (1) A step of applying a photocurable thermally conductive resin, having a thermal conductivity after curing of 0.7 W/(m·K) or greater, to a support (14) comprising a light-transmitting resin film (141) or a light-transmitting resin sheet, thereby forming a photocurable thermally conductive resin layer (120); (2) a step of bringing a side surface of an electrode laminate (11) into contact with a back surface of the surface of the resin layer (120) that is in contact with the support (14), and thereafter curing the photocurable thermally conductive resin by irradiating the resin layer (120) with light from the support (14) side, thereby forming a cured product layer comprising a cured product of the photocurable thermally conductive resin on the side surface of the electrode laminate (11); (3) a step of releasing, from the film, the electrode laminate on which the cured product layer has been formed; and (4) a step of obtaining an all-solid-state secondary battery by housing and sealing the electrode laminate in an exterior material so that the release surface of the cured product layer is in direct or indirect contact with an inner surface of the exterior material.
Resumen de: WO2025189907A1
The present invention relates to a weld-free battery module and an assembly method therefor. The battery module comprises a semi-open casing, wherein an accommodating cavity is formed in the casing; a plurality of battery cells, and a first mounting frame and a second mounting frame which are arranged at two ends of the battery cells are arranged inside the accommodating cavity, the first mounting frame and the second mounting frame being connected and fixed by means of bolts; an adapter board and a protective bracket for compressing and fixing the adapter board are respectively provided on an outer side of each of the first mounting frame and the second mounting frame; and a nickel tab is connected between the adapter boards on two sides, the nickel tab being connected to a main board, and the main board being connected to each of the adapter boards by means of a connector. The present invention realizes a weld-free assembly by means of a rational arrangement, and involves easy operation, enhanced time and labor efficiency, and has a robust structure and high safety performance. In addition, the present invention enables direct replacement of aged internal battery cells, avoiding resource waste, reducing costs, and fulfilling consumer use requirements.
Resumen de: WO2025190035A1
The present application provides a secondary battery and an electronic device. The secondary battery comprises a negative electrode sheet, the negative electrode sheet comprises a negative electrode current collector, and a first material layer and a second material layer which are arranged on the negative electrode current collector, the second material layer is located on the surface of the first material layer, the first material layer comprises graphite, the second material layer comprises graphite and a silicon-carbon composite material, the silicon-carbon composite material comprises a porous carbon matrix, silicon grains located in pores of the porous carbon matrix and a carbon material located on the surface of the porous carbon matrix. In an electron microscope picture of the cross section of the negative electrode sheet, the longest line segment between any two points on the outer contour of a silicon-carbon composite material particle is a first line segment, the line segment intersecting with the middle point of the first line segment is a second line segment, and the second line segment is the shortest line segment between two points intersecting with the outer contour of the silicon-carbon composite material particle. The length of the first line segment is a μm, the length of the second line segment is b μm, and b/a is greater than or equal to 0.6. The cycle performance and the fast charging capability of the secondary battery of the present application are i
Nº publicación: WO2025189904A1 18/09/2025
Solicitante:
NINGDE AMPEREX TECHNOLOGY LTD [CN]
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Resumen de: WO2025189904A1
The present application discloses a separator, an electrochemical device, and an electronic device. The separator comprises a base film and an inorganic coating arranged on at least one side surface of the base film, the inorganic coating contains ceramic particles, the Mohs hardness of the ceramic particles is 3-9.5, and the gas resistance change rate of the separator after heating and compression for 10 minutes at a temperature of 100°C and a pressure of 3.5 MPa is smaller than or equal to 30%. The separator provided by the present application, when used in an electrochemical device, can improve the thermal safety performance of the electrochemical device, and enhance the overcharge safety performance of the electrochemical device at high temperatures.
BOPI
Sede Electrónica
