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1109
resultados
Última actualización
25/08/2025 [07:12:00]
Resultados 275 a 300 de 1109
Resumen de: US2025266429A1
A cathode active material includes a first active material and a second active material. The first active material includes an active material having an olivine structure, the second active material includes a lithium-rich oxide, and a weight of the first active material included in the cathode active material is greater than or equal to a weight of the second active material included in the cathode active material. Thereby, a cathode active material having improved overvoltage characteristics may be provided.
Resumen de: US2025266425A1
A composite anode layer including a binder for an all-solid-state battery with excellent adhesion properties, an all-solid-state battery including the same, and a method of manufacturing a composite anode including the composite anode layer, in which a binder that is soluble in a nonpolar or low polarity solvent can be employed in an anode layer, thus making it possible to manufacture a composite anode for an all-solid-state battery that exhibits high adhesion properties even when the amount of the binder is low and has improved lifespan characteristics.
Resumen de: US2025266428A1
A positive electrode sheet is provided. The sheet includes a positive electrode current collector and a coating layer applied to the surface of the positive electrode current collector. The coating layer includes a nickel-containing positive electrode material and a conductive agent. The coating layer satisfies a relational expression as shown in Formula I: 3<a*c/100b<5. In Formula I, a is the molar percentage content of nickel in the nickel-containing positive electrode material, b is the mass percentage content of the conductive agent in the coating layer, and c is the one side areal density of the coating layer and the unit thereof is mg/cm2.
Resumen de: US2025266490A1
Disclosed is a densified cell assembly and methods for preparing the same. In one embodiment, an isostatic press is applied to a bag which contains a plate and two elastic substrates enveloping a cell pouch, wherein one or more tabs are extended from the cell pouch, wherein the cell pouch accommodates a cell stack comprising one or more electrode layers and one or more electrolyte layers. In one embodiment, the tabs are not damaged or disconnected from the cell pouch due to compression.
Resumen de: US2025266446A1
A lithium ion battery includes a positive electrode containing a positive electrode material layer, a negative electrode and a non-aqueous electrolyte, the positive electrode material layer comprises a positive electrode active material, the positive electrode active material comprises LixNiyCozM1-y-zO2, M is at least one element selected from Mn and Al, the positive electrode active material is doped or coated with an element E, the element E is selected from one or more of Ba, Zn, Ti, Mg, Zr, W, Y, Si, Sn, B, Co, and P, a potential range of the positive electrode active material with respect to lithium metal is ≥4.25V; the non-aqueous electrolyte comprises a solvent, an electrolyte salt and an additive, the additive comprises a compound represented by structural formula 1:and the lithium ion battery meets the following requirements: 0.1≤(H/T)×M/1000≤10; and 80≤H≤150, 0.005≤T≤0.8, 0.05≤M≤3.
Resumen de: US2025266460A1
Apparatuses, systems, materials, and methods for preparing polyethylene electrodes for use in energy storage and transfer via dry electrode processing is described herein. Ultra-high molecular weight polyethylene (UHMWPE) particles and filler particles are used to form a blended composition. With shear, the UHMWPE fibrillates to durably enmesh the filler particles. The blended composition with the fibrillated UHMWPE particles may, in turn, be used to form an article, such as an electrode. The blended composition may contain less than 10% by weight of the UHMWPE. The UHMWPE has a molecular weight of at least about 2,000,000 g/mol, a bulk density from about 0.04 g/mL to about 0.25 g/mL, and a melt enthalpy of at least 190 J/g. In some embodiments, the UHMWPE may be conditioned to alter the size and/or shape of the particles. The median diameter of the conditioned UHMWPE particles is from 5 microns to 300 microns.
Resumen de: US2025261734A1
A system and method for an intelligent hair drying/styling apparatus with user information transmission and storage capabilities is herein provided. The hair drying/styling apparatus houses a control circuit board and an infrared or temperature sensor (or camera) in order detect an individual's hair condition moisture level to determine a user specific, customizable dryer setting. The information detected by the sensor is stored locally, on a proximal Internet-enabled device, or on a remote or cloud-based server and accessed by the hair drying/styling apparatus through a wireless local area network connectivity function. This innovation will enable any number of hair professionals and/or end consumers to improve styling and dry time. According to the present invention, energy usage is reduced to enable a more efficient design.
Resumen de: US2025261746A1
A wearable pouch operable to hold at least one portable battery pack and other power or communications equipment. The wearable pouch includes a main body with a front side, a back side opposite the front side, at least one sealable opening, and at least one opening for at least one lead from the at least one portable battery pack secured within the wearable pouch.
Resumen de: US2025266433A1
This negative electrode material for a lithium ion secondary battery may include composite particles. The composite particle may include a plurality of carbonaceous particles and a plurality of silicon particles. Each of the plurality of carbonaceous particles and the plurality of silicon particles may be amorphous. An average primary particle size of the plurality of silicon particles may be 1 nm or more and 50 nm or less. In the composite particle, a molar ratio of the silicon particles in the composite particle may be 15 mol % or more and 40 mol % or less, and a molar ratio of the carbonaceous particles may be 50 mol % or more and 80 mol % or less. The plurality of silicon particles may be bonded to one another.
Resumen de: US2025266511A1
A battery system includes a plurality of battery packs and a main controller. Each of the battery packs includes a pack case, a cell module including a plurality of battery cells disposed in the pack case, a sub-controller disposed in the pack case and electrically connected to the cell module to use the cell module as its power source, and an abnormality detection element that detects an abnormality in the entirety of the pack case. The main controller is communicably connected to each of the sub-controllers in the plurality of battery packs. The abnormality detection element of one of the plurality of battery packs is communicably connected to the sub-controller of another one of the battery packs.
Resumen de: US2025266488A1
A battery includes a cell, the cell includes a housing, an electrode assembly, a pole, and a bonding member, and the electrode assembly is accommodated in the housing. The housing includes a first surface in a thickness direction of the battery, and the housing is provided with a first avoidance opening running through the first surface along the thickness direction of the battery. The pole is disposed at the first avoidance opening, the bonding member is disposed between the pole and the housing, and the bonding member is configured to bond the pole to the housing. In this way, the pole may be at least partially disposed in the housing, and the pole may be connected to the outside via the first avoidance opening.
Resumen de: US2025266509A1
In some implementations, a first wireless receiver of a battery module of a battery pack may receive, using a first wireless communication technology, data from a first wireless transmitter of a chip-on-cell device connected to a battery cell of the battery module. The data may indicate one or more properties of the battery cell detected by the chip-on-cell device. The first wireless receiver may transfer the data to a second wireless transmitter of the battery module. The second wireless transmitter may transmit, using a second wireless communication technology, the data to a second wireless receiver of a battery management system (BMS) of the battery pack.
Resumen de: US2025266496A1
An object of the present disclosure is to provide a negative electrode composite material for a fluoride ion battery that exhibits improved capacity retention, and a fluoride ion battery comprising the negative electrode composite material. The negative electrode composite material for a fluoride ion battery of the disclosure includes, in the discharged state, simple tin metal and a fluoride comprising a lanthanoid element. At least one of the lanthanoid elements is cerium. The negative electrode composite material for a fluoride ion battery of the disclosure comprises a mixture of simple tin metal and a simple lanthanoid element metal in the charged state, and/or an alloy of tin and a lanthanoid element. At least one of the lanthanoid elements is cerium, with the ratio of the number of moles of tin with respect to the number of moles of the lanthanoid element being 1.0 or greater.
Resumen de: US2025266465A1
Disclosed is a negative electrode current collector for a negative electrode-free battery which includes a metal current collecting substrate, and a conductive layer disposed on the metal current collecting substrate. The conductive layer includes an ion conductive polymer, and the ion conductive polymer includes a vinylidene fluoride-derived unit and a unit derived from at least one monomer selected from the group consisting of a hexafluoropropylene and chlorotrifluoroethylene. A peak of highest intensity is present in a 2-theta range of 20.5° to 20.9° during X-ray diffraction analysis of the conductive layer.
Resumen de: US2025266462A1
The present disclosure relates to an oxide solid electrolyte, a coated active material, a battery, and a method for producing a coated active material. In the present disclosure, the oxide solid electrolyte containing an Li element, a B element, a P element, and an O element and containing a three-coordinated boron having a coordination number of three is provided.
Resumen de: US2025266457A1
Provided are anode material and lithium ion battery. The anode material includes a porous carbonaceous material. A silicon material is distributed inside the porous carbonaceous material. The anode material has a uniformity degree N, and N meets N>80%. In a Backscattered Electron (BSE) diagram obtained by scanning the anode material using a Scanning Electron Microscope (SEM) in a BSE automatic brightness and contrast mode, in any one of 100 μm*100 μm regions, the number of particles of the anode material having first brightness is recorded as C1, the number of particles of the anode material having second brightness is recorded as C2, the anode material has a uniformity degree N′=C2/(C2+C1)*100% in the region, and the uniformity degree N of the anode material is an arithmetic mean of at least 10 N's.
Resumen de: US2025266454A1
Provided are anode material, negative electrode plate and battery. The anode material includes a carbon matrix and a silicon-based active substance; the anode material contains an alkali metal element, an alkaline earth metal element, and an oxygen element, the alkali metal element includes Na and/or K, and the alkaline earth metal element includes Mg and/or Ca; a mass content of the alkali metal element is A ppm, a mass content of the alkaline earth metal element is B ppm, and a mass content of the oxygen element is E %; and the anode material satisfies the following relationship: 1×10−5≤(B/A)×E≤5×102. The anode material provided in the present application can enhance the cycling stability of the anode material while increasing the specific capacity of the anode material.
Resumen de: US2025266447A1
This application relates to a composite positive electrode active material for a lithium secondary battery. The composite positive electrode active material includes a nickel-based active material and a cobalt-boron compound-containing coating layer formed on a surface of the nickel-based active material. The application also relates to a method of preparation of the composite positive electrode active material. The application further relates to a lithium secondary battery including a positive electrode containing the composite positive electrode active material.
Resumen de: US2025263842A1
The present invention provides an aqueous surface treatment agent which is used for surface treatment of a metal and contains a trivalent chromium compound (A), a water-soluble or water-dispersible acrylic resin (B), a polyfunctional epoxy compound (C) and a phosphoric acid compound (D), wherein: the water-soluble or water-dispersible acrylic resin (B) has a weight average molecular weight of 30,000 to 1,000,000 and a solid acid value of 500 mgKOH/g to 780 mgKOH/g; the ratio of the mass of trivalent chromium contained in the trivalent chromium compound (A) to the total mass of solids is 3% to 15%; the ratio of the mass of solid content of the polyfunctional epoxy compound (C) to the total mass of solids is 1% to 15%; and the ratio of the mass of solid content of the phosphoric acid compound (D) to the total mass of solids is 5% to 25%.
Resumen de: US2025263822A1
The present disclosure provides a negative electrode active material for a nickel-metal hydride battery containing a hydrogen-absorbing alloy that contains Ti, Zr, Cr, Mn, and Ni, and further contains one or more elements selected from the group consisting of La and Ce, wherein a total content proportion of the one or more elements selected from the group consisting of La and Ce based on the entire hydrogen-absorbing alloy is 8 at % or less, and a method for producing the same.
Resumen de: US2025263818A1
The present invention is directed to a bottom part of a battery box for electric or hybrid motor vehicles made from an aluminium alloy sheet having a thickness between 2 and 6 mm, wherein said aluminum alloy comprises 2.5 to 4.0 wt. % of Mg, 0.1 to 0.8 wt. % of Mn, 0.4 wt. % or less of Si, 0.5 wt. % or less of Fe, 0.5 wt. % or less of Cu, 0.1 wt. % or less of Cr, 0.1 wt. % or less of Zn, 0.1 wt. % or less of Ti, rest aluminium and unavoidable impurities up to 0.05 wt. % each and 0.15 wt. % total. Another object of the invention is a method to make a bottom part of battery box according to the invention comprising casting said aluminium alloy into a rolling ingot; homogenizing and/or reheating said rolling ingot; hot rolling and optionally cold rolling said rolling ingot to obtain a sheet with a thickness between 2 mm and 6 mm. The bottom part of battery box of the invention is simultaneously light, resistant against intrusion, sufficiently formable and leak tight, corrosion resistant, able to accommodate temperature variations and sufficiently stiff and strong.
Resumen de: US2025263819A1
One aspect of the present disclosure provides an aluminum alloy sheet for a tab including 0.10 mass % or more and 0.60 mass % or less of Si, 0.20 mass % or more and 0.70 mass % or less of Fe, 0.10 mass % or more and 0.40 mass % or less of Cu, 0.5 mass % or more and 1.2 mass % or less of Mn, 1.1 mass % or more and 4.0 mass % or less of Mg, and a balance consisting of or including Al and inevitable impurities. A sheet thickness t (mm) and a tensile strength σB_0° (MPa) in a 0-degree direction with respect to a rolling direction satisfy the following formula (1):(2.7×t-0.45)×σB_0°≥67.(1)
Resumen de: US2025263513A1
Disclosed are a PVP comb-like copolymer and a preparation method therefor and a use thereof. The preparation method comprises: (1) preparation of PVP-OH copolymer, and (2) preparation of PVP comb-like copolymer. The PVP comb-like copolymer prepared from the preparation method has a homogeneous structure. A carbon nanotube slurry prepared by using the PVP comb copolymer as a dispersant has the characteristics of high dispersion efficiency, good stability, and short dispersion period.
Resumen de: US2025266514A1
Various technologies and embodiments are presented to minimize/mitigate electromagnetic field (EMF) effects and electromagnetic interference (EMI) effects generated in a battery module/battery pack when the battery module/battery pack is utilized with alternating current (AC) operation. Respective electrical flowpaths are created throughout a battery module such that EMF/EMI generated in a first portion of a flowpath negates EMF/EMI generated in an adjacent second portion of a flowpath. The battery module operates as a smartcell, wherein battery module comprises a pair of clusterboards located between a first cluster of battery cells and a second cluster of battery cells, wherein the central positioning of the pair of clusterboards functions to isolate the first cluster of battery cells from the second cluster of battery cells.
Nº publicación: US2025266566A1 21/08/2025
Solicitante:
HUAWEI DIGITAL POWER TECH CO LTD [CN]
Huawei Digital Power Technologies Co., Ltd
Resumen de: US2025266566A1
A battery module includes a housing, and a plurality of battery cells and a first exhaust pipe that are disposed in the housing. The housing is provided with a first vent. The battery cell includes a battery cover and an explosion-proof valve, the battery cover is provided with a through hole, and the explosion-proof valve is configured to block the through hole. The first exhaust pipe communicates with an outside of the housing through the first vent, the first exhaust pipe is provided with an inlet communicating with the through hole of each battery cell, each inlet is covered with a heat-resistant film, and opening pressure of the heat-resistant film is less than opening pressure of the explosion-proof valve.
BOPI
Sede Electrónica
