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1315
resultados
Última actualización
04/11/2025 [07:11:00]
Resultados 100 a 125 de 1315
Resumen de: US2025336946A1
A positive electrode active material, a method of preparing the same, a positive electrode including the same, and a rechargeable lithium battery including the positive electrode are provided. The positive electrode active material includes a lithium composite oxide, and a coating layer on a surface of the lithium composite oxide. The positive electrode active material further includes sodium (Na) and sulfur (S), wherein a mass fraction (S/Na) of the S to the Na is in a range of about 1 to about 3.
Resumen de: US2025333321A1
The present disclosure is directed to systems and methods of producing lithium carbonate. The lithium carbonate can be produced by contacting a lithium precursor with a carbon dioxide gas. The lithium carbonate produced from this method can include micron-sized lithium carbonate particles with nano-sized lithium carbonate particles coated on a surface of the micron-sized lithium carbonate particles.
Resumen de: US2025333315A1
The present disclosure relates to a negative electrode active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery including the same. The negative electrode active material for a rechargeable lithium battery includes a composite of silicon and amorphous carbon, and a closed pore increase rate according to Equation 1 is in a range of 20% to 100%.Closedporeincreaserate=(A-B)×100Equation1in Equation 1, A denotes a sum of an increase rate of closed pores and an increase rate of open pores of the negative electrode active material according to a first measurement method, and B denotes the increase rate of open pores of the negative electrode active material according to a second measurement method.
Resumen de: US2025333327A1
A positive electrode active material includes a first positive electrode active material including a first lithium cobalt-based oxide doped with aluminum and magnesium, and a second positive electrode active material including a second lithium cobalt-based oxide doped with aluminum and magnesium. An average particle diameter (D50) of the second positive electrode active material is less than an average particle diameter (D50) of the first positive electrode active material. The first positive electrode active material and the second positive electrode active material each include an aluminum coating layer on particle surfaces, with the aluminum coating layer of the first positive electrode active material being in a form of a shell that continuously surrounds the particle surfaces. An aluminum content based on 100 at % of cobalt and aluminum as measured by energy profiling energy dispersive spectroscopy (EP-EDS) on the surface of the first positive electrode active material is about 6 at % to about 10 at %.
Resumen de: US2025333320A1
The present disclosure is directed to systems and methods of producing lithium carbonate. The lithium carbonate can be produced by contacting a lithium precursor with a carbon dioxide gas. The lithium carbonate produced from this method can include micron-sized lithium carbonate particles with nano-sized lithium carbonate particles coated on a surface of the micron-sized lithium carbonate particles.
Resumen de: US2025333325A1
In accordance with the purpose(s) of the present disclosure, as embodied and broadly described herein, the disclosure, in one aspect, relates to oxyhalide electrolytes and synthesis of oxyhalide electrolytes. The electrolytes have the general formula AzNv-yMyOX5-y, exhibit superionic conductivity, and can be produced via a relatively fast synthesis route. The electrolytes can be a component of different types of batteries or sensors for ion detection.
Resumen de: US2025337008A1
A silica composition can be used in preparation of solid polymer electrolytes, wherein the silica composition has a surface-modified colloidal silica dispersion, or an evaporated product of the dispersion. A polymer electrolyte precursor composition for preparation of a solid polymer electrolyte, use of the polymer electrolyte precursor composition in preparation of a solid polymer electrolyte, a method to in-situ prepare a solid polymer electrolyte, a method to improve performance of a lithium-ion battery, a solid polymer electrolyte, an electrochemical device and a device are also described.
Resumen de: US2025336982A1
A positive electrode for a rechargeable lithium battery, and rechargeable lithium battery including the positive electrode are provided. The positive electrode includes a current collector and a positive electrode active material layer on the current collector, wherein the current collector includes about 0.17 wt % to about 0.24 wt % of Cu based on 100 wt % of the current collector, and the positive electrode active material layer has a density of about 3.9 g/cc to about 4.5 g/cc.
Resumen de: US2025336978A1
A positive electrode sheet, a battery cell, a secondary battery, and an electric device are provided. The positive electrode sheet includes a positive electrode active material and a lithium supplement additive. The lithium supplement additive satisfies the relationship: R≤Cmin/(100×m×Q), where m is the loading per unit area of the positive electrode sheet (including the total mass of the active material and the lithium supplement additive), Cmin is the minimum rate value applied to the electrode sheet during actual use, is the theoretical specific capacity of the lithium supplement additive, and R is the mass percentage of the lithium supplement additive in the total loading per unit area. This configuration helps ensure lithium balance during battery operation and contributes to performance stability.
Resumen de: US2025336981A1
An electrode for a rechargeable battery according to one or more embodiments of the present disclosure includes: a substrate; and an active material layer that is formed on the substrate, includes a plurality of holes, and includes a first density portion and a second density portion. The first density portion has a higher density than that of the second density portion, the second density portion has a lower density than that of the first density portion, and the second density portion is disposed at both sides (e.g., opposite sides) of the first density portion.
Resumen de: US2025336944A1
A positive electrode active material for a rechargeable lithium battery, a positive electrode including the positive electrode active material, and a rechargeable lithium battery including the positive electrode are disclosed. The positive electrode active material includes first particles comprising a compound of Lia1Fex1B1y1PO4-b1 and having a first average particle diameter, and second particles comprising a compound of Lia2Nix2COy2Mnz2Xc2O2-b2 and having a second average particle diameter that is greater than the first average particle diameter. The content (e.g., amount) of the first particles is greater than the content (e.g., amount) of the second particles in the positive electrode active material.
Resumen de: US2025333311A1
A negative electrode material has a core-shell structure. The shell includes a carbon layer, the core includes porous carbon and silicon particles distributed in the pores of the porous carbon, and the negative electrode material has a weight-gain peak between 400° C. and 900° C. on a derivative thermogravimetric curve of the negative electrode material.
Resumen de: US2025333310A1
A matrix, an anode material, and a secondary battery. The matrix has pores. The matrix includes a carbon material. An average value D0 of particle sizes of the matrix is 5.5 μm to 9.5 μm, and a standard deviation S0 of the particle sizes of the matrix is 0.08 to 0.35. The anode material includes the matrix and an active substance. The matrix has the pores, and at least partial active substance is disposed in the pores of the matrix. An average value D1 of particle sizes of the anode material is 5.5 μm to 9.5 μm, and a standard deviation S1 of the particle sizes of the anode material is 0.1 to 0.35.
Resumen de: US2025333318A1
A method for producing lithium difluorophosphate includes reacting a fluorine source and a phosphoryl halide represented by Formula 1 in a first organic solvent to obtain a reaction product and reacting the reaction product, a lithium source, and an oxygen source in a second organic solvent. Each of the fluorine source, the lithium source and the oxygen source may have a moisture content of less than 1,000 ppm based on the weight thereof.
Resumen de: US2025333253A1
A module pressurization and resting line includes a plurality of pressurization lines, a resting line, and a resting transfer device, and each pressurization line is provided with a pressurization output end; the resting line is provided with a resting input end; the resting transfer device includes a first transfer turntable and a second transfer turntable, where the first transfer turntable is disposed between one of the pressurization output ends and the resting input end, and the first transfer turntable, along its rotational circumferential direction, is capable of being in transfer communication with the resting input end; the second transfer turntable is disposed between the other pressurization output ends and the first transfer turntable, and the first transfer turntable and the second transfer turntable, along their respective rotational circumferential directions, are each provided with a first position and a second position.
Resumen de: US2025333582A1
A gap filler composition according to an embodiments includes a siloxane-based resin, a filler, and a catalyst. After application under conditions of 23° C. and 50% relative humidity, the Shore 00 hardness measured after leaving for 60 minutes and the Shore 00 hardness measured after leaving for 120 minutes are in the range of 40 to 70. The gap filler composition can be used to manufacture a vehicle battery pack including a gap filler having improved thermal stability and process properties.
Resumen de: US2025333087A1
A battery system positioned on a locomotive powered by a diesel engine includes a first battery and a second battery, the first battery and the second battery being lithium-ion batteries, wherein the first battery or the second battery are in electrical connection with a starter of the diesel engine. The first battery and second battery each include a control chassis and a plurality of cells, wherein the plurality of cells are arranged into modules. The battery system also includes a battery control panel, the battery control panel including at least one Human Machine Interface (HMI) and a first switch and a second switch, the first switch in electrical communication with the first battery and a second switch, the second switch in electrical communication with the second battery.
Resumen de: US2025336977A1
This disclosure provides lithium supplement materials, including Li5Fe1-xMxO4 and a cladding layer disposed on a surface of Li5Fe1-xMxO4. In Li5Fe1-xMxO4, where M is at least one of Ni, Mn, Ru, Cr, Cu, Nb, Al, Mg, Ca, Ga, Ti, and Mo, and 0≤x≤0.2. The cladding layer includes M′-doped zinc oxide or M′-doped composite oxide based on zinc oxide, and M′is an ion capable of forming a substitutional solid solution with zinc oxide or composite oxide based on zinc oxide.
Resumen de: US2025336974A1
Materials and methods for preparing electrode film mixtures and electrode films including reduced damage bulk active materials are provided. In a first aspect, a method for preparing an electrode film mixture for an energy storage device is provided, comprising providing an initial binder mixture comprising a first binder and a first active material, processing the initial binder mixture under high shear to form a secondary binder mixture, and nondestructively mixing the secondary binder mixture with a second portion of active materials to form an electrode film mixture.
Resumen de: US2025336973A1
A silicon-carbon composite material includes a porous carbon skeleton and pores of the porous carbon skeleton contains a silicon material. The porous carbon skeleton satisfies: 1.5<(c−a)/b<5.0, where a represents a pore diameter corresponding to a cumulative pore volume percentage accounting for 10% of a total pore volume, b represents a pore diameter corresponding to a cumulative pore volume percentage accounting for 50% of the total pore volume, and c represents a pore diameter corresponding to a cumulative pore volume percentage 99% in the total pore volume. The technical solution of this application improves the cycle performance and high-temperature performance of the secondary battery while achieving a high energy density of the secondary battery.
Resumen de: US2025336972A1
A negative electrode for a secondary battery includes: a current collector; a first negative electrode active material layer formed on the current collector and containing a first active material; and a second negative electrode active material layer formed on the first negative electrode active material layer and containing a second active material. The second active material is a bimodal active material including small particles and large particles having different particle sizes, a particle size (D2) of the second active material is smaller than a particle size (D1) of the first active material, and the particle size of the second active material is an average particle size of the small particles and the large particles.
Resumen de: US2025336968A1
A positive electrode for a rechargeable lithium includes a current collector. A first active material layer is provided on the current collector, and the first active material layer includes first particles, second particles, a first binder, and a first conductive material. A second active material layer is provided on the first active material layer, and the second active material layer includes third particles, a second binder, and a second conductive material. The first particles contain an olivine structured compound, the second particles contain a layered compound, the third particles contain an olivine structured compound, the first particles are single particles, and the first particles have an average diameter of about 100 nm to about 2 μm. The first active material layer and the second active material layer have a cobalt (Co) content of less than about 100 ppm. An average diameter of the second particles is greater than the average diameter of the first particles. The third particles are single particles, and the third particle have an average diameter of about 100 nm to about 2 μm.
Resumen de: US2025332955A1
A vehicle system that communicates temperature information of a high voltage battery system of an electrified vehicle includes at least one temperature sensor, a controller, and a human machine interface (HMI). The at least one temperature sensor is disposed on at least one battery module of the high voltage battery system. The at least one temperature sensor is configured to sense a temperature of the at least one battery module. The controller receives the sensed temperature and determines a temperature profile of the high voltage battery system. The HMI is configured to convey temperature information of the high voltage battery system, wherein the controller communicates a signal to the HMI indicative of the temperature profile.
Resumen de: US2025332960A1
A vehicle may include a cooling target component part to be cooled. The vehicle may include a cooling target component part cooling line through which a first heat exchange fluid for cooling the cooling target component part flows, a vehicle air conditioning line through which a second heat exchange fluid, which heats or cools an internal space of the vehicle while exchanging heat with the internal space of the vehicle, flows, and a connection line extending from the cooling target component part line toward the vehicle air conditioning line and configured to define and/or supply a region in which the first heat exchange fluid and the second heat exchange fluid exchange heat with each other.
Nº publicación: US2025332927A1 30/10/2025
Solicitante:
CROWN EQUIPMENT CORP [US]
Crown Equipment Corporation
Resumen de: US2025332927A1
A battery system for an industrial vehicle, the industrial vehicle including a frame having a vehicle contour defined by front, back, left, and right bounds of the frame, the left and right bounds at least partially defined by opposed outermost left and right portions of respective left and right sides of a battery compartment. The battery system includes a battery, and a counterweight assembly, wherein at least a portion is positioned underneath the battery. The battery system further includes a first sensor assembly positioned underneath the battery at one of the left or right side of the battery compartment. The first sensor assembly is completely located within the front, back, left, and right bounds of the frame so as to not increase the vehicle contour. The first sensor assembly includes a sensing device that monitors an area adjacent to the corresponding left or right side of the vehicle.
BOPI
Sede Electrónica
