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1535
resultados
Última actualización
02/10/2025 [07:24:00]
Resultados 400 a 425 de 1535
Resumen de: US2025300272A1
A battery module includes a cell assembly formed by stacking a plurality of battery cells in one direction, a heat dissipation member that comes into contact with the battery cell within the cell assembly, and a module frame that houses the cell assembly. The heat dissipation member includes a plate-shaped member parallel to one surface of the battery cell, and a reinforcing member extending from at least one of the first part and the second part of the plate-shaped member.
Resumen de: US2025300251A1
A method of switching a battery cell configuration for a head-worn extended-reality headset is described. The method includes, in accordance with a determination that a battery of the head-worn extended-reality headset is in a first state, operating at least two cells of the battery in series using a first control switch to produce a first voltage and, in accordance with a determination that the battery of the head-worn extended-reality headset is in a second state, operating the at least two cells of the battery in parallel using a second control switch to produce a second voltage, wherein the first and second voltages are within an operating voltage of the electrical components of the head-worn extended-reality headset. Switching the configuration in which the battery cells operate increases voltage headroom and decreases power losses by increasing the voltage of the battery cells and decreasing the current drawn by the battery cells.
Resumen de: US2025300166A1
The present invention relates to a method for lithiation of an intercalation-based anode or a non-reactive plating-capable foil or a reactive alloy capable anode, whereby utilization of said lithiated intercalation-based anode or a plating-capable foil or reactive alloy capable anode in a rechargeable battery or electrochemical cell results in an increased amount of lithium available for cycling, and an improved reversible capacity during charge and discharge.
Resumen de: US2025300232A1
The present embodiments relate generally to electrolytes for energy storage devices and more particularly to a family of fluorinated acetal molecules as the solvent component for the electrolytes. The present embodiments are directed to electrolytes comprising one or more fluorinated acetal molecules as solvents, and one or more salts, wherein the salts are soluble in the solvents. The electrolytes can be formulated with or without any additional solvents, diluents, or additives. The fluorinated acetal molecules comprise molecular formula of R1-O-CH2-O-R2, wherein R1 and R2 are hydrocarbon, fluorocarbon, or hydrofluorocarbon chains. The products of some embodiments include di(2-fluoroethoxy)methane (F1DEM) and bis(2,2-difluoroethoxy)methane (F2DEM). The obtained electrolytes enable high Coulombic efficiency, quick stabilization of electrodes, good compatibility with high-voltage cathodes, fast ion transport, and low overpotential.
Resumen de: US2025300180A1
Provided are processes of making and using free-standing electrode films for electrodes by a dry process. The process for forming an electrode includes combining a processing additive and an active electrode material or fibrillizable binder to form an electrode precursor material, where the processing additive has a surface roughness and a porosity and intermixing the electrode precursor material. The electrode precursor material may then be combined with the fibrillizable binder or the active electrode material and the fibrillizable binder or the active electrode material is intermixed with the electrode precursor material to form an electrode film material. The electrode film material includes the processing additive, the fibrillizable binder and the active electrode material. The electrode film material may then be compressed into an electrode film for use in an electrode such as in an electrochemical cell.
Resumen de: US2025300234A1
A bipolar battery includes a positive electrode current collector, a positive electrode mixture layer, a separator, a negative electrode mixture layer, and a negative electrode current collector, which are layered one on another. The bipolar battery further includes a resin sealing layer that includes a low rigidity material layer which has a tensile modulus of elasticity of less than 35.0 kgf/mm2 and which is joined to the positive electrode current collector or the negative electrode current collector, and a high rigidity material layer which has a tensile modulus of elasticity of 35.0 kgf/mm2 or more and which is disposed on a face of the low rigidity material layer that is opposite from a face thereof that is joined to the positive electrode current collector or the negative electrode current collector.
Resumen de: US2025300164A1
A dry electrode, a manufacturing method thereof, and a manufacturing apparatus thereof are disclosed. The manufacturing method includes: mixing an electrode active material, a first binder, and a first conductive material to form a dry mixture; allowing the dry mixture to be filmed to form an electrode active material layer; forming a composite layer on the electrode active material layer; and laminating on an electrode current collector the electrode active material layer on which the composite layer is formed. The step of forming the composite layer includes: coating on the electrode active material layer an adhesive solution including a second binder, a second conductive material, and an organic solvent; and drying the adhesive solution.
Resumen de: US2025300236A1
A jelly roll includes an electrode assembly having a structure in which a positive electrode, a separator, and a negative electrode are stacked and wound; and a tubing provided to surround at least a portion of a side surface of the electrode assembly and at least a portion of an end portion perpendicular to a winding axis of the electrode assembly. The tubing is provided to include a hole formed in a central portion of one end portion perpendicular to the winding axis of the electrode assembly, a secondary battery including the jelly roll, a battery pack, and a vehicle.
Resumen de: US2025300210A1
The electrode transfer apparatus according to an exemplary embodiment of the present disclosure may include: an electrode magazine configured to load electrodes; an alignment table positioned with a gap from the electrode magazine; a first transfer unit configured to reciprocate between the electrode magazine and the alignment table, and adsorb and transfer the electrode; a multi-sheet detection unit configured to detect whether an electrode placed on the alignment table is a multi-sheet electrode; a lower adsorption unit mounted on the alignment table and configured to adsorb the electrode from below; and a controller configured to control activation/deactivation (on/off) of the adsorption force of the first transfer unit based on detection results from the multi-sheet detection unit.
Resumen de: US2025300228A1
The present invention relates to an electrolyte of a rechargeable lithium battery and a rechargeable lithium battery including same, and the electrolyte including a non-aqueous organic solvent; a lithium salt; an ionic liquid including a cation and an anion.
Resumen de: US2025300475A1
A method to enhance the functionality of a battery through the use of a pulsing apparatus. The pulsing apparatus configured to improve cell conditioning, maintain battery cells, and overall cell function through pulsing a selected current into and out of a battery. The pulsing selected to deliver a predetermined number of pulses to the battery. The pulses having a slew rate of at least 0.1 A/μs, a pulse width between 1 μs and 10 ms with a pulse rise time of at least 1 μs to alter a current of the battery. Preferably the predetermined number of pulses is between 100 pulses per second and 1 pulse per minute.
Resumen de: US2025300222A1
Methods for increasing the particle size of solid electrolyte materials include combining the solid electrolyte material with molten elemental sulfur. By combining the solid electrolyte material with molten elemental sulfur, the particle size of the solid electrolyte material increases and the specific surface area of the solid electrolyte material decreases.
Resumen de: US2025300179A1
The present disclosure relates to an ion-conductive polymer, an electrode including the same, and a lithium secondary battery including the electrode. The ion-conductive polymer includes a first monomer represented by Formula 1 below.In Formula 1, A, L1 to L2, L11, a1 to a2, a11, R1 to R3, and n1 to n2 are as defined in the detailed description.
Resumen de: US2025300469A1
This disclosure provides methods, components, devices, and systems for simultaneously charging and maintaining several lithium-ion batteries suitable for aircraft using a multi-channel battery charger. Some aspects, more specifically, relate to a battery charger configured to charge multiple batteries at once and further configured to allow any of the batteries to be assigned a battery charging state allowing for optimization of a battery for usage, storage, or other situations. The charger is also configured to discharge batteries and prevent overcharging. Using a touchscreen or an external device, a user may conveniently assign a charging state to any battery plugged into the charger. In the event of battery degradation or an issue with the charger itself, software and hardware on board the charger may independently cease battery charging to prevent further damage.
Resumen de: US2025300160A1
The disclosure relates to manufacturing methods for forming electrodes. In one method provided, an oxidized layer from a surface of a metal current collector is removed via ionization. A solvent-free dry powder agglomeration of active materials, binders, and conductive agents is then calendared onto the surface of the metal current collector to form an electrode.
Resumen de: US2025300226A1
An electrolyte formulation for a battery is provided. The electrolyte formulation includes a lithium salt in a carbonate-based solution, and lithium difluoro(bisoxalato) phosphate present in the electrolyte formulation in an amount from 0.1 part by weight to 5 parts by weight based on 100 parts by weight of the electrolyte formulation.
Resumen de: US2025300223A1
The present specification relates to a composition for a gel polymer electrolyte, a gel polymer electrolyte, and an electrochemical device including the same, and the gel polymer electrolyte according to one aspect of the present specification may simultaneously form a stable SEI layer while exhibiting high ionic conductivity, low charge transfer resistance, and elastic properties, and an electrochemical device to which such a gel polymer electrolyte is applied may exhibit high stability and excellent electrochemical performance. The gel polymer electrolyte according to one aspect of the present specification may be applied to various electrochemical devices such as lithium ion batteries and thermoelectric devices.
Resumen de: US2025300221A1
Provided is a solid electrolyte having high ion conductivity. According to an aspect, provided is a solid electrolyte represented by General Formula 1 below.LiaMbX3Oc General Formula 1In General Formula 1 above, M is a metal element having an oxidation number of +3, X is a halogen element, and 0
Resumen de: US2025300165A1
In the manufacture of a dry electrode, a feeding system includes a conveyor configured to distribute a material and to be rotatable, a pusher configured to move the material on the conveyor, and a guide configured to receive the material moved by the pusher and to guide movement of the material to a film forming device.
Resumen de: US2025300168A1
Provided are a positive electrode active material for a lithium-ion secondary battery having excellent capacity characteristics and electrode resistance characteristics, a positive electrode active material slurry, a positive electrode, a lithium-ion secondary battery and a method for preparing a positive electrode active material. The positive electrode active material includes a core containing a lithium transition metal oxide, and a coating portion at least partially covering the surface of the core, wherein the coating portion includes magnesium and fluorine, and the spectrum of Mg2p has a peak at 48-50 eV, as determined by X-ray photoelectron spectroscopy.
Resumen de: US2025300227A1
The present invention relates to an electrolyte of a rechargeable lithium battery and a rechargeable lithium battery including same, and the electrolyte including a non-aqueous organic solvent; a lithium salt; an ionic liquid including a cation and an anion.
Resumen de: US2025300171A1
The present exemplary embodiments relate to a positive electrode active material for a lithium secondary battery, and a lithium secondary battery including the same. The positive electrode active material for a lithium secondary battery according to an exemplary embodiment includes: a metal oxide which is in the form of a single particle and includes a layered structure; and a coating layer which is positioned on the surface of the metal oxide and includes a layered structure, wherein an average interplanar distance value of the layered structure included in the coating layer is smaller than an average interplanar distance value of the layered structure included in the metal oxide.
Resumen de: US2025300172A1
A process for producing a porous host structure or a solid powder mass of multiple porous particulates containing silicon (Si) therein, including (a) providing a porous host structure having a volume fraction of pores from 5% to 99.9%, wherein the porous host structure is selected from a carbonaceous, graphitic, graphene, or metallic material; (b) catalytically vaporizing Si from a mixture of a catalyst and elemental Si or a Si-containing material to form a vapor phase of Si or a precursor to Si; (c) immediately directing the vapor phase into pores of the porous host structure and facilitating the vapor phase to form solid Si particles or coating deposited in the pores to form a Si-impregnated porous host structure; and (d) optionally breaking and reducing said Si-impregnated porous host structure into smaller porous particles to obtain the solid powder mass of separate multiple porous particulates containing Si therein.
Resumen de: US2025300235A1
A secondary battery includes: a case accommodating an electrode assembly; a cap plate sealing the case; a negative electrode terminal and a positive electrode terminal on the cap plate; a first negative-electrode-current-collector plate extending along a lower side of the cap plate between the electrode assembly and the cap plate and having a first end electrically connected to the negative electrode plate and a second end electrically connected to the negative electrode terminal; and a first positive-electrode-current-collector plate extending along the lower side of the cap plate between the electrode assembly and the cap plate and having a first end electrically connected to the positive electrode plate and a second end electrically connected to the positive electrode terminal. The first positive-electrode-current-collector plate has a greater thickness than the first negative-electrode-current-collector plate, and the first negative-electrode-current-collector plate has a first protrusion that locally protrudes toward the electrode assembly.
Nº publicación: US2025300231A1 25/09/2025
Solicitante:
24M TECH INC [US]
24M Technologies, Inc
Resumen de: US2025300231A1
Systems, devices, and methods described herein relate to electrolyte formulations and the incorporation thereof into batteries. In some aspects, an electrolyte composition can comprise between about 10 wt % and about 42 wt % of an electrolyte solvent, between about 13 wt % and about 59 wt % of a fluoroether. In some embodiments, the electrolyte solvent can make up between about 26 wt % and about 39 wt % of the composition. In some embodiments, the fluoroether can make up between about 18 wt % and about 36 wt % of the composition. In some embodiments, the composition can include between about 0.5 wt % and about 1.5 wt % of a first additive. In some embodiments, the composition can include between about 0.5 wt % and about 5 wt % of a second additive.
BOPI
Sede Electrónica
