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1197
resultados
Última actualización
19/08/2025 [07:13:00]
Resultados 225 a 250 de 1197
Resumen de: US2025256985A1
A positive electrode material includes a laminar lithium-containing metal oxide which includes other positive ions with a radius greater than a radius of lithium ions. The radius of the other positive ions in the positive electrode material is greater than the radius of the lithium ions, so that the other positive ions may play a supporting role in a laminar structure to enhance a misalignment energy barrier, alleviate the problem of aggravated misalignment of metal ions and lithium ions in a laminar negative electrode, and improve the stability of the laminar structure. Moreover, the other positive ions in the positive electrode material may also be embedded into a negative electrode material, where the other positive ions with the greater ionic radius play a supporting role in graphite, so as to reduce expansion/shrinkage of the graphite in the process that the ions with the less ionic radius are intercalated/deintercalated.
Resumen de: US2025260089A1
A battery housing for an electric vehicle battery includes a housing wall comprised of a plastic. The battery housing comprises a fluid conduit for a temperature-regulating means. The fluid conduit is at least partially embedded in the housing wall.
Resumen de: US2025260092A1
A cooling assembly for a battery system includes an inlet system. The inlet system includes an inlet manifold, an inlet connecting tube, a first inlet connecting member defining a first surface and at least one first inlet fluid port, and a second inlet connecting member defining at least one second inlet fluid port in fluid communication with the at least one first inlet fluid port of the first inlet connecting member. The cooling assembly also includes an outlet system in fluid communication with the inlet system. The outlet system includes an outlet manifold, a first outlet connecting member defining at least one first outlet fluid port, an outlet connecting tube, and a second outlet connecting member defining at least one second outlet fluid port.
Resumen de: US2025260063A1
The disclosure aims to provide an electrolytic solution with which an electrochemical device exhibiting excellent battery characteristics even with a negative electrode containing an alkali metal-containing material can be obtained. Provided is an electrolytic solution which is for use in a battery including a negative electrode containing an alkali metal-containing material, the electrolytic solution containing a solvent, the solvent including a compound (1) represented by the following formula (1):wherein R101 and R102 are each independently a C1-C3 non-fluorinated alkyl group, R103 to R106 are each independently a hydrogen atom or a halogen atom, and at least one selected from R103 to R106 is a halogen atom.
Resumen de: US2025259989A1
An anode for a lithium secondary battery according to embodiments of the present disclosure includes an anode current collector, and an anode active material layer which is disposed on at least one surface of the anode current collector, includes a silicon-based active material, and has a Li/Si ratio of 0.03 to 0.06.
Resumen de: US2025260003A1
The coated active material includes an electrode active material and a coating layer covering the electrode active material, wherein the coating layer includes an oxide solid electrolyte containing a Li element, a P element, and an O element, and a particle size (D50) of the coated active material is 5.5 μm or less.
Resumen de: US2025260081A1
A thermal management system for battery, a battery, and an electric apparatus are provided, where the thermal management system includes a thermal management system body and a monitoring tube. The thermal management system body includes a medium pipe for circulating a heat exchange medium, where the medium pipe is provided with an inlet end and an outlet end, and the detachable monitoring tube is disposed on at least one of the inlet end and the outlet end.
Resumen de: US2025260053A1
Provided is a non-aqueous electrolyte including a lithium salt, an organic solvent, a compound represented by Formula 1 as a first additive, and a compound represented by Formula 2 as a second additive:wherein in Formulae 1 and 2, all the variables are described herein.
Resumen de: US2025260085A1
A method of assembling components of a traction battery includes dispensing a thermal interface material onto a release sheet. While the thermal interface material remains on the release sheet, the method applies the thermal interface material to a component of a traction battery pack. The method then separates the release sheet from the thermal interface material while the thermal interface material remains on the component of the traction battery pack.
Resumen de: US2025260087A1
According to the present disclosure, a replaceable battery includes a cell stack having a rectangular parallelepiped shape, in which a plurality of battery cells are stacked, a case for accommodating the cell stack, and a pair of rails fixed to a lower side of a bottom plate of the case and extending in a longitudinal direction of the case, in which the replaceable battery is configured to be slid in the longitudinal direction and removably mounted on a vehicle and. A metal member for heat removal is provided in an upper side of the bottom plate and in a lower side of the cell stack, and the metal member is disposed between the pair of rails so as to extend, in a bar shape, in the longitudinal direction of the case.
Resumen de: US2025260074A1
In accordance with at least selected embodiments, the present disclosure or invention is directed to improved or novel separators, cells, batteries, and/or methods of manufacture and/or use. In accordance with at least certain embodiments, the present disclosure or invention is directed to improved or novel separators such as a separator for a high energy and/or high voltage lithium ion battery which is stable up to a 4.5 volt, or preferably up to a 5.0 volt or higher charging voltage, such as a novel or improved single or multilayer or multiply microporous separator membrane. In accordance with at least selected embodiments, the present application or invention is directed to novel or improved porous membranes or substrates, separator membranes, separators, composites, electrochemical devices, batteries, cells, methods of making such membranes or substrates, separators, cells, and/or batteries, and/or methods of using such membranes or substrates, separators, cells, and/or batteries. In accordance with at least certain embodiments, the present application is directed to novel or improved microporous membranes, battery separator membranes, separators, energy storage devices, batteries including such separators, methods of making such membranes, separators, and/or batteries, and/or methods of using such membranes, separators and/or batteries. In accordance with at least certain selected embodiments, the present invention is directed to a novel or improved separator membrane or
Resumen de: US2025260125A1
A separator substrate for an electrochemical device. The separator substrate has pores that are small and uniform in size, good physical strength and durability, and high dielectric breakdown voltage. Therefore, with the use of the separator substrate, the probability of short circuiting is low.
Resumen de: US2025256984A1
A positive electrode active material for lithium-ion rechargeable batteries comprises particles having Li, M′, and oxygen. M′ comprises Ni in a content x, wherein x≥80 at %, relative to M′; Co in a content y, wherein 0.01≤y≤20.0 at %, relative to M′; Mn in a content z, wherein 0≤z≤20.0 at %, relative to M′; Y in a content b, wherein 0.01≤b≤2.0 at %, relative to M′; Zr in a content c, wherein 0.01≤c≤2.0 at %, relative to M′; D in a content a, wherein 0≤ a≤5.0 at %, relative to M′. D is selected from B, Ba, Ca, Cr, Fe, Mg, Mo, Nb, S, Si, Sr, Ti, V, W, and Zn. The material comprises secondary particles, wherein each of the secondary particles consists of at least two primary particles and at most twenty primary particles.
Resumen de: US2025256982A1
A positive electrode active material has a composition represented by LixNiaCObMncM1dM2eO2 and a TM interlayer distance (D) of 2.02 Å to 2.30 Å. In the composition, 0.1≤x≤1.5, 0.5≤a≤1.0, 0≤b≤0.3, 0≤c≤0.3, a+b+c=1.0, 0.0005≤d≤0.050, and 0.0005≤e≤0.050, M1 represents at least one type of element selected from the group including Ba, Pr, La, Y, Sr, Ce, Se, Hf, Rh, Zr, and Sn, and M2 represents at least one type of element selected from the group including W, Re, Sb, Sn, Ta, Os, Ir, Mo, Nb, Tc, Ru, Ga, Ag, Pd, Ge, As, Zr, In, Pt, Al, and Ti.
Resumen de: US2025256967A1
A composite powder for use in a negative electrode of a battery comprising composite particles, said composite particles comprising a carbon matrix material and silicon-based particles embedded in said carbon matrix material, said composite powder having a Raman spectrum, wherein a D band and a D'band, both corresponding to the carbon matrix material contribution, have their respective maximum intensity ID between 1330 cm−1 and 1360 cm−1 and ID′ between 1600 cm−1 and 1620 cm−1, wherein the ratio ID/ID′ is at least equal to 0.9 and at most equal to 4.0.
Resumen de: US2025256964A1
The present disclosure provides a method for preparing lithium iron phosphate and use thereof. The method comprises: adding a mixed solution of ferrous salt and ammonium dihydrogen phosphate, a citric acid solution and a pH adjusting agent in parallel into a first reactor for reaction, and simultaneously extracting the materials in the first reactor to a second reactor, and adding a copper salt solution and a sodium hydroxide solution to the second reactor for reaction, and refluxing the materials in the second reactor into the first reactor, mixing the solid material obtained in the reaction with a lithium source, and calcining the mixture in an ammonia gas stream to obtain lithium iron phosphate. This method can prepare a lithium iron phosphate precursor with a spherical structure, thereby improving the electrochemical performance of the subsequently prepared lithium iron phosphate material, which has a relatively high conductivity.
Resumen de: US2025260084A1
An immersion cooling system for a battery of an electric vehicle. The immersion cooling system includes an incompatible fluid detection system configured to detect a presence of an incompatible fluid within a fluid circuit of the immersion cooling system. The incompatible fluid can include a non-dielectric fluid that has entered or accumulated within the fluid circuit, as well as a dielectric fluid that has been contaminated or is reaching, if not already attained, an end-of-life for the dielectric fluid. In response to a determination of a presence of the incompatible fluid in the fluid circuit, a notification can be generated to alert an operator of the detection of the incompatible fluid. Additionally, the system can take actions, including closing a valve(s), deactivating a pump, and/or opening a bypass circuit(s), among other actions, to isolate at least the battery from the incompatible fluid.
Resumen de: US2025260080A1
An inspection apparatus for inspecting at least one secondary cell includes a fixed support part; a movable part; and pressing parts that are installed between the support part and the movable part. The pressing parts are freely movable along the main axis, two adjacent pressing parts defining a space (120) for accommodating a secondary cell. Each pressing part that is in contact with the at least one secondary cell has a temperature sensor, the temperature sensor being intended to measure the temperature of the at least one secondary cell which is subjected to a pressure between the pressing parts. An inspection method for inspecting at least one secondary cell is related to the inspection apparatus.
Resumen de: US2025260086A1
A heat sink assembly including first and second heat sinks having a plurality of ribs integrally molded along a length direction by extrusion molding, the spaces between the ribs forming a flow path through which a coolant flows, the first and second surfaces at both ends of the length direction being open is provided. The first and second heat sinks have communication ports on one side wall adjacent to the second surface, and the first and second heat sinks are integrally formed by the side walls forming a bonding surface in a way that the communication ports align. The ribs of the first and second heat sinks have a lengths such that both ends thereof are spaced apart from the first and second surfaces by a predetermined distance, and the open first and second surfaces of both ends of the first and second heat sinks are closed by end plugs inserted into the first surface and the second surface and spaced apart from the ends of the ribs.
Resumen de: US2025260002A1
Provided is a positive electrode active material having low resistance and improved rate characteristics. This positive electrode active material contained in a positive electrode of a nonaqueous electrolyte secondary battery contains a lithium-transition metal composite oxide and a carbonaceous film formed on the surface of the lithium-transition metal composite oxide, wherein the carbonaceous film contains an alkali metal except Li and/or an alkali earth metal.
Resumen de: US2025260076A1
A battery pack can comprise a battery monitoring system that can monitor a battery metric of a battery cell of a battery system cluster board, in response to a determination that the battery metric satisfies a first bypass condition, enables a bypass mode applicable to the battery system cluster board, and in response to a determination that the battery metric no longer satisfies the first bypass condition, exits the bypass mode. A primary controller can in response to a determination that a second bypass condition applicable to the battery system cluster board has been satisfied, sends an instruction to the battery monitoring system to enter the bypass mode, and in response to a determination that the second bypass condition is no longer satisfied, sends an override instruction to the battery monitoring system to exit the bypass mode.
Resumen de: WO2025166892A1
An explosion-proof battery cover plate assembly. A protection assembly (5) is provided on an electrolyte injection hole (2), such that the protection assembly (5) wraps around the outer wall of the electrolyte injection hole (2) and forms a vertically-penetrating through hole in the middle for injection of a battery electrolyte; the protection assembly (5) has a structure with a closed bottom and a flow channel (501) formed at the periphery; the lower surface of a cover plate (1) is covered with a plastic protective layer (6) to form a cover over the lower surface of the cover plate (1), such that the cover plate (1) is isolated from the battery electrolyte inside a battery box by means of the plastic protective layer (6). The present device uses the protection assembly (5) arranged inside the electrolyte injection hole (2); during electrolyte injection, the battery electrolyte flows into a cavity of the battery box through the flow channel (501) formed on the side of the protection assembly (5), without directly impacting a battery electrode sheet located in the battery box, thereby providing protection for the battery electrode sheet, prolonging the actual service life of a battery; and the protection assembly (5) can provide an effective seal in combination with a plug nail for sealing, and when expansion occurs in the battery, the protection assembly (5) can serve as an explosion-proof valve for pressure relief effects.
Resumen de: WO2025166626A1
A battery cell (20), a battery (100), and an electric device. The battery cell (20) comprises a shell (22), a venting assembly (90) and an electrolyte solution, wherein the venting assembly (90) is arranged on a wall and used for discharging gas from the shell (22); an accommodating cavity (221) is filled with the electrolyte solution; and the electrolyte solution comprises a first component, the first component comprising one of or a mixture of two or more of dimethyl carbonate, 2-methyltetrahydrofuran, diethylene glycol dimethyl ether, succinonitrile, glutaronitrile, methyl formate, ethyl formate, methyl acetate, ethyl acetate, methyl acrylate, dimethyl sulfite, diethyl sulfite, ethyl methyl sulfite and 3-methyl-2-butanone. By means of such configurations, a balance between a high battery performance requirement and a high gas production amount can be achieved.
Resumen de: WO2025166503A1
Disclosed in the present application are a battery and an electrical apparatus. The charge rate of the present battery is greater than or equal to 2C; the battery comprises a battery unit, and the battery unit comprises a housing, at least one electrode assembly, and at least one impact reduction member; the battery electrode and the impact reduction member are arranged within the housing, and the impact reduction member is arranged on at least a portion of surfaces of the electrode assembly and/or within the electrode assembly, wherein the at least one electrode assembly and the at least one impact reduction member are arranged as stacked in a first direction.
Nº publicación: WO2025166480A1 14/08/2025
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
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Resumen de: WO2025166480A1
A battery cell (7), a battery (2), and an electrical apparatus. The battery cell (7) comprises a casing (20), an electrode assembly (10), and an electrode terminal (30). The casing (20) comprises a wall portion (23). The electrode assembly (10) is accommodated in the casing (20) and comprises tabs (12). The electrode terminal (30) is arranged on the wall portion (23); the side of the electrode terminal (30) away from the electrode assembly (10) in the thickness direction of the wall portion (23) is provided with an outer surface (31), the electrode terminal (30) is provided with a recessed portion (32) recessed from the outer surface (31), the electrode terminal (30) comprises a connecting portion (33) arranged at the bottom of the recessed portion (32), and the connecting portion (33) is electrically connected to the tabs (12).
BOPI
Sede Electrónica
