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1162
resultados
Última actualización
22/08/2025 [07:10:00]
Resultados 850 a 875 de 1162
Resumen de: US2025253323A1
A negative electrode includes a current collector and a negative electrode active material layer, wherein the negative electrode active material layer includes one or more layers, and any one of the one or more layers of the negative electrode active material layer contains oxygen in an amount of 2 to 10 at %. A lithium-ion secondary battery containing the negative electrode and a method of making the negative electrode are also provided.
Resumen de: US2025253326A1
There is disclosed a powder for a Li-ion battery anode and its manufacture, comprising manufacturing a dispersion comprising titanium dioxide primary particles. Thereafter the dispersion comprising primary particles is spray dried or jet milled to obtain spherical secondary particles comprising the primary particles. Thereafter the powder are calcined so that the primary particles are fused together to form the secondary particles. In addition to the method the particles, a battery anode comprising the particles, a battery cell comprising the anode, a battery pack comprising the battery cells, a battery pack including a control system are provided. Advantages include high capacities and performance with very low losses in the first few cycles for the batteries. Improved control of the particle properties is possible.
Resumen de: US2025253478A1
A battery assembly of the present disclosure includes a plurality of battery cells arranged in a predetermined stacking direction, an accommodation case accommodating the plurality of battery cells, and an insertion member located in an insertion space formed between the accommodation case and the plurality of battery cells in the predetermined stacking direction, wherein the insertion member includes a body portion having a pillar shape, and an expansion portion covering at least a portion of the body portion and expanding when reaching a predetermined allowable temperature.
Resumen de: US2025253475A1
A manufacturing method of a battery pack, the manufacturing method can include seating a battery module into each module area within a pack case, coupling an upper cover to the pack case to cover an upper part of the battery module, and injecting a thermally conductive adhesive into the upper part of the battery module housed in the pack case. Additionally, any one among the upper cover and pack case can include an injection hole, and the thermally conductive adhesive can be injected into the upper part of the battery module through the injection hole to form an adhesive layer.
Resumen de: US2025253477A1
Disclosed are a battery pack and a vehicle including the same. A battery pack according to an embodiment of the present disclosure includes a battery assembly including a plurality of cell units; and a pack case accommodating the battery assembly in the internal space, wherein each cell unit includes at least one battery cell and a cell cover at least partially surrounding the outside of the at least one battery cell, wherein a venting space is provided between the cell cover and the battery cell.
Resumen de: US2025253476A1
A traction battery assembly includes a plurality of battery cells disposed along an array axis, a rounded endplate at an axial end of the plurality of battery cells, and a wrap spanning the rounded endplate. A method of securing a battery array includes positioning a plurality of battery cells between along an array axis between a first rounded endplate and a second rounded endplate, and compressing the plurality of battery cells between the first and second rounded endplates by winding a wrap around the first rounded endplate, the plurality of battery cells, and the second rounded endplate.
Resumen de: US2025253479A1
A battery pack is disclosed. The battery pack comprises at least one part of a housing, at least one battery system arranged in the at least one part of the housing, at least one containing member contacted with the at least one part of the housing and the at least one battery system, the at least one containing member comprises a self-expendable filler material, the at least one containing member with the self-expendable filler material is contacted with the at least one part of the housing to provide stability to the battery pack and/or to the at least one battery system with respect to the at least one part of the housing.
Resumen de: WO2025162183A1
A cover plate assembly, a battery cell and a battery pack. The cover plate assembly comprises a cover main body, heat conduction sheets and posts; the cover main body has a first surface and a second surface which are oppositely arranged; the heat conduction sheets are in contact with the first surface; each post comprises an adapter plate and a sub-post body, the adapter plates being in contact with the second surface, each sub-post body comprising a conduction column and a connection part, the connection parts abutting against the surfaces of the heat conduction sheets away from the first surface, and each conduction column passing through a heat conduction sheet and the cover main body to be connected to an adapter plate. The provided cover plate assembly enables the heat conduction sheets to effectively dissipate heat of the sub-post bodies, so as to effectively reduce the temperature rising speed of the sub-post bodies; and enables the heat conduction sheets to perform direct heat exchange with the first surface of the cover main body, such that the distance between the heat conduction sheets and the adapter plates is closer, thus effectively reducing the temperature rising speed of the adapter plates.
Resumen de: WO2025162389A1
A negative electrode active particle (100) and a preparation method therefor, a battery (400) and an electronic device (500). The negative electrode active particle (100) comprises: a porous carbon matrix (10), the porous carbon matrix (10) having a plurality of pores (11), and the plurality of pores (11) comprising micropores (111), mesopores (112) and macropores (113), wherein, with respect to the plurality of pores (11), the number of the micropores (111) accounts for 5% to 35%, the number of the mesopores (112) accounts for 60% to 90%, and the number of the macropores (113) accounts for 4% to 6%; and silicon particles (20), the silicon particles (20) being distributed in the plurality of pores (11). The negative electrode active particle (100) has a lower expansion rate and a higher cycle capacity retention rate.
Resumen de: WO2025162185A1
Provided in the present disclosure is a lithium-ion battery. The lithium-ion battery comprises a negative electrode sheet and a positive electrode sheet. The positive electrode sheet comprises a nickel-based positive electrode active material, a negative electrode active layer of the negative electrode sheet comprises a negative electrode active material and nickel, and the negative electrode active material comprises a silicon-carbon material and graphite. The components of the negative electrode active layer satisfies 9500≤α*d/η≤24500, wherein α is the content of nickel in the negative electrode active layer, η is the content percentage by mass of silicon in the negative electrode active layer, and d is the median particle diameter of the negative electrode active material. The negative electrode sheet comprises a carbon-silicon negative electrode active material, such that good cycle performance and safety performance can be taken into account while improving the energy density of the lithium-ion battery.
Resumen de: WO2025161348A1
A battery pack and an energy storage system. A case of the battery pack comprises a battery compartment and an electrical compartment which are arranged adjacent to each other in the length direction. The battery compartment is used for accommodating a battery module. The battery module comprises a plurality of battery cells; the battery cells each comprise a top surface and a bottom surface which are arranged opposite to each other in the height direction; and the top surface is provided with two electrode poles. Each battery cell is further provided with an explosion-proof valve, and the explosion-proof valve is located on the top surface or the bottom surface. The electrical compartment is used for accommodating a power module. In the battery cells close to the electrical compartment in the battery module, a barrier strip is provided between the surfaces where the explosion-proof valves are located and the inner wall of the case. The barrier strip is located on the side of the explosion-proof valves facing the electrical compartment, and is used for isolating the explosion-proof valves from the power module. In the battery pack, the battery module and the power module are accommodated in a same space. When the internal air pressure of each battery cell is excessively high, the corresponding explosion-proof valve is opened to release high-temperature gas and liquid. The barrier strip is located between the explosion-proof valves and the electrical compartment, such that the
Resumen de: WO2025161387A1
The present application provides a battery cell, a battery pack comprising the battery cell, and an electric device comprising the battery pack or the battery cell. The battery cell comprises at least one core, a monitoring device, at least one monitoring probe, at least one insulating member, and a casing; the monitoring probe is electrically connected to the monitoring device; the insulating member is arranged on one side of the core; the insulating member is provided with a recessed space; the monitoring probe is accommodated in the recessed space; the casing is provided with an accommodating space; and the core, the monitoring device, the monitoring probe, and the insulating member are located in the accommodating space. According to the present application, an insulating member provided with a recessed space is arranged in the battery cell, and a monitoring probe is arranged in the recessed space, so that the direct contact between the monitoring probe and a battery cell core is avoided, and thus the core is protected, thereby improving the safety of the battery and prolonging the service life of the battery.
Resumen de: WO2025161438A1
A preparation method for an electrode material of a sodium-ion battery, the method comprising the following steps: S1, raw material preparation, involving: selecting manganese acetate, tetrapropyl chlorotitanate, sodium acetate, ammonium dihydrogen phosphate, citric acid and carbon nanotubes as raw materials, preparing tetrapropyl chlorotitanate into a tetrapropyl chlorotitanate solution, and preparing the carbon nanotubes into a carbon nanotube slurry; S2, raw material mixing, involving: firstly, dispersing citric acid and the carbon nanotube slurry into distilled water, and then adding sodium acetate, manganese acetate and ammonium dihydrogen phosphate thereto, so as to obtain a mixture; S3, sol preparation, involving: adding the tetrapropyl chlorotitanate solution into the mixture obtained in S2, and stirring same until a sol is obtained; S4, gel precursor preparation, involving: drying the sol obtained in S3 at 75ºC, so as to obtain a gel precursor; and S5, gel precursor drying, involving: drying the gel precursor under anaerobic conditions, so as to obtain a CNTs-NMTPO@C product, wherein the product can significantly improve the high-speed performance of an NMTPO electrode and significantly prolong the cycle life thereof.
Resumen de: US2025250169A1
A compound represented by the Formula 1 and having an argyrodite-type crystal structure:LiaM1xM2wPSyM3z Formula 1wherein M1 is at least one element of Group 2 or Group 11 of the periodic table, M2 is at least one metal element other than Li of Group 1 of the periodic table, M3 is at least one element of Group 17 of the periodic table, and wherein 4≤a≤8, 0
Resumen de: US2025250167A1
The present disclosure relates to a process for purifying a lithium salt of bis(fluorosulfonyl)imide (LiFSI), wherein the purified LiFSI is extracted from a crude LiFSI through supercritical fluid extraction. The present invention also relates to the purified LiFSI obtained therefrom, as well as the use of such LiFSI in an electrolyte for batteries.
Resumen de: US2025250138A1
Provided is a battery cell material recycling apparatus. The battery cell material recycling apparatus includes a first vacuum belt conveying mechanism and a second vacuum belt conveying mechanism. The first vacuum belt conveying mechanism has a first feed end and a first discharge end opposite to each other in a conveying direction of the first vacuum belt conveying mechanism. The second vacuum belt conveying mechanism has a second feed end and a second discharge end opposite to each other in a conveying direction of the second vacuum belt conveying mechanism. The second feed end is located above the first discharge end. A guide roller is disposed below the second discharge end. The guide roller is movable back and forth in the conveying direction of the second vacuum belt conveying mechanism.
Resumen de: US2025250136A1
Disclosed is an automatic electrode plate leading apparatus for secondary batteries which, when an arm descends, vacuum-adsorbs and grips a barcode part of a standby electrode plate and then rises in the state in which an EPC sensor and a replacement preparation core move backwards, a first roller moves right, a third roller descends and second rollers rise, automatically connects the electrode plate vacuum-adsorbed and gripped by the arm to the replacement preparation core in the state in which the first roller moves left, the second rollers descend, the third roller rises and the EPC sensor and the replacement preparation core move forwards. The automatic electrode plate leading apparatus includes a standby electrode plate (1), an EPC sensor (2), a first roller (3), second rollers (4), a third roller (6), the arm (8) rotated to rise or descend by an arm drive motor (11), and a replacement preparation core (7).
Resumen de: US2025250176A1
A negative active material and a rechargeable lithium battery including the same are provided. The negative active material includes a porous amorphous carbon matrix; and a silicon oxide doped with the metal capable of (e.g., for) undergoing (e.g., to undergo) reduction, wherein a porosity of the porous amorphous carbon matrix is about 5% to about 25%.
Resumen de: US2025253325A1
In one aspect, a battery is provided having an anode, a cathode and an electrolyte between the anode and the cathode. The anode includes an anode body is formed of a magnesium alloy having a percent by weight ratio in the range of about 77.0-99.8% wt. magnesium, 0.1-8.0% wt. aluminum, 0.1-5.0% wt. zinc, 0-5.0% wt manganese, and 0-5.0% wt. iron. The cathode includes a cathode body.
Resumen de: US2025253327A1
A lithium ion battery and an electricity-consumption device are provided. The electrolyte includes a borate-based additive. A mass fraction w1 of the borate-based additive in the electrolyte satisfies 0.01%≤w1≤2%.
Resumen de: US2025253413A1
A method for producing a lithium ion power storage device includes a step of forming a cylindrical cell and a step of accommodating the cylindrical cell in a casing. In the step of forming the cylindrical cell, the electrode foil and the separator are wound while applying tension in an extension direction to the laminated electrode foil and separator. In the step of forming the cylindrical cell, the cylindrical cell is formed by winding the electrode foil and the separator into a cylindrical shape. In the step of accommodating the cylindrical cell in the casing, the cylindrical cell is accommodated in a tubular casing together with an electrolytic solution. In the step of forming the cylindrical cell, a cylindrical cell in which a pressure of 0.5 MPa or more and 0.7 MPa or less is applied between the electrode foils facing each other via the separator is formed.
Resumen de: US2025253469A1
A protective device (100) for arranging on an impact-sensitive element (102), for example on a battery element (106), wherein the protective device (100) comprises the following: a wall element (108) and an adaptation element (116) arranged on the wall element (108).
Resumen de: US2025253409A1
A manufacturing method of a solid-state battery comprising a cathode layer, an anode layer, and a solid electrolyte layer disposed between the cathode layer and the anode layer and that also uses a deposition-dissolution reaction of metal lithium, wherein one surface of the solid electrolyte layer is a film forming face, and a protective layer having Li ion conductivity is formed on the film forming face. A step of obtaining a laminate in which the anode layer, the protective layer, and the cathode layer are laminated in this order after the film forming step, and pressing the laminate. The protective layer is formed so that an area of the protective layer is smaller than an area of the solid electrolyte layer when the laminate is viewed from the anode layer side.
Resumen de: US2025253407A1
An electrolyte for sodium secondary battery, a sodium secondary battery, a battery module, and an electric apparatus. The electrolyte for sodium secondary battery includes a sodium salt, an ether solvent, and a fluoroether solvent. The electrolyte includes ether solvent molecules and fluoroether solvent molecules that form a co-solvation structure with sodium ions.
Nº publicación: WO2025162186A1 07/08/2025
Solicitante:
SHENZHEN HITHIUM ENERGY STORAGE TECH CO LTD [CN]
XIAMEN HITHIUM ENERGY STORAGE TECH CO LTD [CN]
\u6DF1\u5733\u6D77\u8FB0\u50A8\u80FD\u79D1\u6280\u6709\u9650\u516C\u53F8,
\u53A6\u95E8\u6D77\u8FB0\u50A8\u80FD\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
Resumen de: WO2025162186A1
An energy storage apparatus (100), comprising an electrode assembly (20), wherein the electrode assembly (20) comprises a positive electrode sheet (21), a negative electrode sheet (22) and a separator (23); an active material layer (212) of the positive electrode sheet (21) contains first lithium-containing compounds (Li1) and second lithium-containing compounds (Li2), and the second lithium-containing compounds (Li2) are lithium-replenishment particles and each comprise a lithium-replenishment core (Li21) and a shell (Li22); and there are a connected region (AA) and a separated region (BB) between the lithium-replenishment core (Li21) and the shell (Li22), the standard deviation of path length ratios of M lithium-replenishment particles is less than or equal to 0.18, and the path length ratio of each lithium-replenishment particle refers to the ratio, in a cross section of the positive electrode sheet (21), of the path length of the shell (Li22) of the lithium-replenishment particle in the connected region (AA) to the total perimeter of the shell (Li22). By setting the standard deviation of the path length ratios of the shells (Li22) of the M lithium-replenishment particles in the connected regions (AA), it is ensured that lithium-ion deintercalation capabilities of the lithium-replenishment particles in the active material layer (212) are close, and uniform lithium replenishment throughout the active material layer (212) is thus ensured, thereby prolonging the cycle life of
BOPI
Sede Electrónica
