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1859
resultados
Última actualización
14/05/2025 [09:11:00]
Resultados 1325 a 1350 de 1859
Resumen de: US2025135870A1
An electric work vehicle includes a frame and a battery housing supported by the frame. The battery housing includes a plurality of battery housing sections. The plurality of battery housing sections include a first battery housing section, a second battery housing section, and a third battery housing section. The first battery housing section includes a first battery housing portion and a second battery housing portion, the second battery housing section includes a third battery housing portion and a fourth battery housing portion, and the third battery housing section includes a fifth battery housing portion.
Resumen de: US2025136030A1
A crash detection circuit of a battery management unit (BMU), includes a reference voltage generator configured to generate a reference voltage in response to a crash signal output from a vehicle being input to the BMU; and a comparator configured to compare the reference voltage generated from the reference voltage generator with a processed crashed signal corresponding to the crash signal and to output a crash detection signal in response to the processed crash signal having a duration greater than or equal to a minimum retention time and at a voltage greater than or equal to the reference voltage.
Resumen de: US2025136009A1
The present disclosure is directed to freestanding films for a lithium-metal-anode comprising a 2D arrays of nanocrystals of a transition metal nitride, carbide, or mixture and optionally a MXene as a conductive binder, and methods of making and using the same.
Resumen de: US2025135521A1
An apparatus (100) for making a coil (B) comprises a feed unit (2) configured to feed at least one strip-shaped article (N) and a winding unit (1). The feed unit (2) comprises a movable portion (20) that includes an outlet section (22) through which said strip-shaped article (N) passes through. The winding unit includes a plurality of winding heads (10) and a movement device for moving (3) said winding heads (10) configured to displace said winding heads (10) along a working path (P). The winding heads (10) and said movable portion (20) are both movable.
Resumen de: US2025135676A1
Disclosed in one or more embodiments is a notching device including a die configured to support an electrode, a first stripper configured to move toward the die, and configured to press a mixture portion of the electrode, a second stripper configured to move toward the die, and configured to press an uncoated portion of the electrode, and a pattern portion configured to move toward the die, and configured to form a pattern on the uncoated portion.
Resumen de: US2025135449A1
To provide a water-soluble chelating polymer that can rapidly trap a trace amount of heavy-metal ions to reduce the amount of heavy-metal ions to a ppm level or lower in a short time.Use a water-soluble chelating polymer comprising an anionic polymer having a carboxy group, a sulfonate group and/or a sulfate group bonded through an ionic bond to a chelating functional group having a cationic functional group, wherein the water-soluble chelating polymer contains 0.2 to 6 mmol/g of the chelating functional group and has a weight-average molecular weight in the range of 30,000 to 1,000,000.
Resumen de: US2025140957A1
The present disclosure relates to the field of sodium-ion battery technology, and specifically, to a method for preparing carbon-coated sodium iron fluorophosphate from waste lithium iron phosphate and the application thereof. The method for preparing carbon-coated sodium iron fluorophosphate from waste lithium iron phosphate includes: mixing a waste lithium iron phosphate material with an alkaline solution for reaction, followed by solid-liquid separation, to obtain an aluminum-containing filtrate and a lithium iron phosphate filter residue; mixing the lithium iron phosphate filter residue, aluminum chloride and sodium chloride uniformly, followed by vacuum calcination, to obtain a calcination material; and mixing the calcination material with at least one of a sodium source, an iron source and a phosphorus source uniformly to obtain a mixture to which a fluorine source, a carbon source and a solvent are added for uniformly mixing, followed by drying and calcination sequentially to obtain the carbon-coated sodium iron fluorophosphate. The method has the advantages of low costs, a high added value, a short process, and a high recovery rate, and the carbon-coated sodium iron fluorophosphate obtained from the method has excellent electrochemical performance.
Resumen de: US2025140963A1
A battery module that comprises an electrochemical cell is provided. The battery module includes a polymer composition that comprises a polymer matrix that includes a thermotropic liquid crystalline polymer and a thermally conductive filler distributed within the polymer matrix. The polymer composition exhibits an in-plane thermal conductivity of about 3 W/m-K or more as determined in accordance with ASTM E1461-13 (2022) and a deflection temperature under load of about 230° C.) or more as determined in accordance with ISO 75:2013 at a load of 1.8 MPa.
Resumen de: US2025140941A1
This application relates to a lithium-ion battery, a battery, and an electric apparatus. The lithium-ion battery includes an electrolyte and a positive electrode plate. The electrolyte includes a lithium salt, where the lithium salt includes lithium hexafluorophosphate, and based on a total mass of the electrolyte, a mass proportion of the lithium hexafluorophosphate is 15% to 20%. The positive electrode plate includes a positive electrode current collector and a positive electrode film layer disposed on at least one side of the positive electrode current collector and containing a positive electrode active material. This application can improve cycling performance of the lithium-ion battery.
Resumen de: US2025140958A1
An electric work vehicle includes a chassis, a battery housing to house a plurality of battery modules, a cooling structure mounted to a front portion of the battery housing, and an inverter. The battery housing is supported by the chassis. The cooling structure includes a fan mounted at a front portion of the cooling structure. The fan is rotated by an electric motor powered by the inverter.
Resumen de: US2025140943A1
A circuit module for coupling a plurality of energy cell units is disclosed. Energy modules, energy clusters, energy systems and cascaded circuitry comprising such circuit modules are also disclosed.
Resumen de: US2025140928A1
The lithium ion battery includes a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode includes a positive electrode mixture. The positive electrode mixture contains a positive electrode active material and active lithium. A mass fraction of the active lithium with respect to a total of the positive electrode active material and the active lithium is 0.25% or more. The electrolytic solution contains a solvent and a lithium salt. The solvent contains a carboxylic acid ester in a volume fraction of 40% or more.
Resumen de: US2025140864A1
A carbon black having a bulk density of 0.08 g/cm3 or lower after being compressed at 490 Pa for 3 minutes. A carbon black having a bulk density of 0.1 g/cm3 or lower after being stirred under a condition of gravity acceleration 400 G for 30 minutes using a rotation-revolution type stirrer.
Resumen de: US2025140927A1
A non-aqueous battery includes a case, an electrode assembly, and an electrolyte solution. The case has a width direction, a height direction, and a thickness direction. The case includes a first side wall and a second side wall. The second side wall faces the first side wall. Each of the first side wall and the second side wall is orthogonal to the width direction. A positive electrode terminal and a negative electrode terminal are provided at the first side wall. The electrode assembly is of a wound type. A winding axis of the electrode assembly is parallel to the width direction. The electrode assembly includes a first end portion and a second end portion. The first end portion faces the first side wall. A relationship of “R1/R2>1” is satisfied. R1 represents an electrode resistance at the first end portion. R2 represents an electrode resistance at the second end portion.
Resumen de: US2025140926A1
A battery cell includes an electrolyte, positive and negative electrode plates, and a separator between the positive and negative electrode plates. The electrolyte includes a lithium salt including lithium hexafluorophosphate, a mass percentage of which with respect to a total mass of the electrolyte ranges from 15% to 20%. The positive/negative electrode plate includes a positive/negative electrode current collector and a positive/negative electrode film layer provided on at least one side of the positive/negative electrode current collector and containing a positive/negative electrode active material. The negative electrode active material includes a carbon-based material and a silicon-carbon composite. A mass percentage of silicon in the silicon-carbon composite with respect to a total mass of the negative electrode active material is greater than or equal to 0.3% and less than or equal to 10.0%.
Resumen de: US2025140892A1
A battery 10, including an electrode body 30 that includes an electrode and a separator, and an exterior body 20A, 20B that is disposed around the electrode body 30, the battery being restrained by a restraining member, the electrode body 30 having a bonded portion at which the electrode and the separator are bonded to each other, and a non-bonded portion at which the electrode and the separator are not bonded to each other, and at least a part of the non-bonded portion of the electrode body 30 matching a portion of the battery restrained by the restraining member 40.
Resumen de: US2025140891A1
A rechargeable battery includes an electrode assembly including a first wound part and a second wound part connected by a connection part, the electrode assembly being formed by being wound at each of both ends of a stacked body of a first electrode plate, a first separator, a second electrode plate, and a second separator; and a case that accommodates the electrode assembly, wherein the case includes flat sides facing each other at both sides of the case in a width direction, and curved sides at both ends of the case in a length direction, and the flat sides and the first wound part and the second wound part surround an electrolyte solution accommodating space therebetween.
Resumen de: US2025140811A1
A positive electrode active material includes a plurality of core particles including a layered lithium nickel-manganese-based composite oxide having a nickel content (e.g., amount) of greater than or equal to about 60 mol % based on 100 mol % of a total metal composition of the lithium nickel-manganese-based composite oxide excluding lithium, and a coating layer located on the surface of the core particle and containing Al and Ti. Also disclosed are a method of preparing the positive electrode active material, and a positive electrode and rechargeable lithium battery including the same.
Resumen de: US2025140816A1
The invention relates to a secondary cell comprising an anode, a cathode, optionally a separator, and an electrolyte, characterized in that the anode comprises an active material or composition of active materials, wherein at least one active material or composition of active materials functions as a current collector, wherein the active material or composition of active materials comprises carbon, silicon, and/or metal oxide(s), and wherein the anode does not comprise any additional current collector. A vehicle comprising said secondary cell is also claimed.
Resumen de: US2025140835A1
A cathode active material powder for lithium secondary batteries is provided, containing a core particle consisting of a lithium metal composite oxide, and a coating layer coating at least a part of the core particle, in which the coating layer contains an oxide containing at least one element A selected from the group consisting of Nb, Ta, Ti, Al, B, P, W, Zr, La, and Ge, and the following (1) and (2) are satisfied. (1) a substance amount of the element A per unit area, which is calculated from analysis results by inductively coupled plasma mass spectrometry and a nitrogen adsorption BET method, is 3.0×10−4 mol/m2 or less, and (2) a standard deviation of a compositional ratio of the element A, which is calculated from a value obtained from an SEM-EDX analysis result, is 4.6 or more and 8.2 or less.
Resumen de: US2025140834A1
One embodiment of the present invention provides a positive electrode active material for a sodium secondary battery, including an O3-type sodium composite transition metal oxide containing at least sodium, a transition metal, and a doping metal, wherein the sodium composite transition metal oxide is a secondary particle in which a plurality of primary particles are aggregated, and an aspect ratio of the primary particle ranges from 1:1 to 1:2.5.
Resumen de: US2025140836A1
The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a single-crystal type positive electrode active material in which the peak of the particle size distribution observed in the volume cumulative particle size distribution graph is shifted toward Dmax, which is the maximum particle size, and the sharpness of the peak of the particle size distribution is high, and a lithium secondary battery including the same.
Resumen de: US2025135955A1
An electric work vehicle includes a battery housing and a plurality of ducts. The battery housing includes a plurality of battery housing module compartments to house a plurality of battery modules, and each of the plurality of ducts is attached to a respective one of the plurality of battery housing module compartments. The plurality of battery housing module compartments includes a first row of battery housing module compartments and a second row of battery housing module compartments spaced apart from the first row of battery housing module compartments in an up-down direction of the electric work vehicle, and one of the plurality of ducts attached to the first row of battery housing module compartments is a different size and/or shape than another one of the plurality of ducts attached to the second row of battery housing module compartments.
Resumen de: US2025135952A1
A mobility apparatus includes a plurality of first wheels, at least one first driving motor configured to provide a driving force to the plurality of first wheels, a first high voltage battery configured to supply power to the at least one first driving motor, and a first controller configured to control the at least one first driving motor and the first high voltage battery, and, when a second high voltage battery is removably and electrically connected to a first mobility apparatus, the first controller may control either the first high voltage battery or the second high voltage battery to operate to supply power to the first driving motor while performing conditioning for the other one.
Nº publicación: US2025135831A1 01/05/2025
Solicitante:
KUBOTA CORP [JP]
KUBOTA CORPORATION
Resumen de: US2025135831A1
An electric work vehicle includes a battery housing including a first battery housing portion, and an air cooling system. The battery housing includes a plurality of battery housing module compartments to house a plurality of battery modules, the air cooling system includes a first evaporator and a second evaporator, the air cooling system includes a first warm air path and a second warm air path, the first warm air path fluidly connects the first battery housing portion to the first evaporator to exhaust first warm air from the first battery housing portion to the first evaporator, and the second warm air path fluidly connects the first battery housing portion to the second evaporator to exhaust second warm air from the first battery housing portion to the second evaporator.
BOPI
Sede Electrónica
