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1108
resultados
Última actualización
24/08/2025 [07:19:00]
Resultados 125 a 150 de 1108
Resumen de: US2025266520A1
The battery management device includes: a calculation unit that calculates SOC and the coefficient from the measured values of the current and the voltage of the battery based on an SOC of the battery and an estimation model that estimates the polarization voltage according to a coefficient relating to an increase in a voltage corresponding to SOC among the polarization voltages caused by discharging of the battery; and a notification unit that, when SOC is equal to or less than a threshold value, notifies the user of charge of the battery, and the notification unit decreases the threshold value as the coefficient decreases.
Resumen de: US2025266522A1
A battery pack includes a plurality of cell module units and a pack case housing the plurality of cell module units. Each of the cell module units includes a cell module including a plurality of battery cells, an abnormality detection means electrically connected to the cell module to use the cell module as its power source. The abnormality detecting means is configured to output a signal to an external controller when detecting an abnormality in an entirety of the pack case.
Resumen de: US2025266442A1
The positive electrode active substance for a lithium secondary battery comprises a lithium nickel manganese cobalt composite oxide particle represented by the following general formula (1): LixNiyMnzCotMpO1+x. M denotes one or two or more metal elements selected from Al, Zr, Cu, Fe, Sr, Ca, V, Mo, Bi, Nb, Si, Zn, Ga, Ge, Sn, Ba, W, Na and K; and x denotes 0.98≤x≤1.20, y denotes 0.30≤y<1.00, z denotes 0
Resumen de: US2025266539A1
The invention relates to a housing for an electronic element, preferably a battery cell or a capacitor, with a cylindrical section and with a base arranged on one side of the cylindrical section. The cylindrical section and the base are formed in one piece. The cylindrical section and the base consist of a clad metal sheet and the metal sheet has at least one layer of aluminium and at least one layer of steel. The housing solves the problem of providing an improved housing.
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: US2025266456A1
The present disclosure relates to an anode for an electrochemical energy storage device, at least comprising a silicon-carbon composite material in the amount of ≥45 wt.-% to ≤90 wt.-%, relating to the anode, graphite in the amount of ≥5 wt.-% to ≤47 wt.-%, relating to the anode; carbon nanotubes in the amount of >0 wt.-% to <1 wt.-%, relating to the anode; and a binder, in particular a polymer binder, in particular in the amount of 2.5 wt.-% to 8 wt.-%, relating to the anode.
Resumen de: US2025266443A1
A positive electrode includes a positive electrode active material layer, wherein the positive electrode active material layer includes a positive electrode active material and a conductive agent, wherein the positive electrode active material includes a first lithium composite transition metal oxide in a form of a single particle composed of one primary particle or a pseudo-single particle as an aggregate of 10 or less primary particles, and the conductive agent includes few-walled carbon nanotubes and single-walled carbon nanotubes, wherein the number of walls of the few-walled carbon nanotubes is in a range of 2 to 7. A secondary battery including the positive electrode is also provided.
Resumen de: US2025266445A1
Various lithium cobalt oxides materials doped with one or more metal dopants having a chemical formula of LixCoyOz, and method and apparatus of producing the various lithium cobalt oxides materials are provided. The method includes adjusting a molar ratio MLiSalt:MCoSalt:MMe1Salt:MMe2Salt:MMe3Salt: . . . MMeNSalt of a lithium-containing salt, a cobalt-containing salt and one or more metal-dopant-containing salts within a liquid mixture to be equivalent to a ratio of x:y:a:b:c: . . . n, drying a mist of the liquid mixture in the presence of a gas to form a gas-solid mixture, separating the gas-solid mixture into one or more solid particles of an oxide material, and annealing the solid particles of the oxide material in the presence of another gas flow to obtain crystalized particles of the lithium cobalt oxide material.
Resumen de: US2025262639A1
A secondary battery manufacturing device is provided that includes a case portion provided with a nozzle configured to face a base material being moved by a coating roll. A cavity portion is positioned inside the case portion, with the cavity portion forming a conduit for transferring a coating solution to the nozzle. A vent portion is provided that has a first side surrounding an inlet to the cavity portion and a second side extends to the outside of the case portion to form a path for discharging gas. A filtering portion is positioned between the cavity portion and the vent portion, with the filtering portion being configured to direct gas contained in the coating solution in a direction toward the vent portion and prevent liquid of the coating solution from being directed to the vent portion.
Resumen de: US2025262468A1
A water injection unit including an enclosure including a base frame and an enclosure body forming a side portion, a water tank supported on the base frame of the enclosure, a gas storage tank supported on the base frame of the enclosure and connected to the water tank to supply gas into the water tank, and a connection port, wherein the connection port comprises a water injection port connectable to a fire-fighting connection hose.
Resumen de: US2025265634A1
A battery monitoring method includes: obtaining a malfunction prediction sign of a secondary battery; examining a battery characteristic of the secondary battery only on obtaining the malfunction prediction sign of the secondary battery; instructing placement of a preliminary order for a replacement secondary battery to replace the secondary battery only on obtaining the malfunction prediction sign of the secondary battery; and instructing placement of an official order for the replacement secondary battery on determining that the secondary battery is not usable based on an examination result of the battery characteristic.
Resumen de: US2025265490A1
A trained model, implemented on a processor of a manufacturing line that produces battery cells, causes removal of certain of the battery cells from the manufacturing line responsive to the trained model identifying the certain of the battery cells as being subject to a predefined condition based on measured data from the certain of the battery cells on the manufacturing line provided to the trained model.
Resumen de: US2025265382A1
A method and a device for determining a tab parameter of a battery based on an electrochemical simulation model. The method includes obtaining multiple to-be-simulated schemes; wherein the multiple to-be-simulated schemes all correspond to a battery structure, and a battery structure parameter is correspondingly configured for each to-be-simulated scheme; the battery structure parameter includes at least a tab width and/or a tab number; inputting the battery structure parameter corresponding to each to-be-simulated scheme into the electrochemical simulation model with the battery structure pre-constructed for simulation, and obtaining a simulation result of each to-be-simulated scheme; determining an optimal simulation scheme from the multiple to-be-simulated schemes according to the simulation results of the multiple to-be-simulated schemes; and determining a tab parameter of the optimal simulation scheme as an optimal tab parameter of the battery structure.
Resumen de: WO2025173770A1
The purpose of the present disclosure is to provide: a composition for a fluoride-ion solid-state battery capable of improving battery capacity; and a fluoride-ion solid-state battery in which the same is used. The present disclosure is a composition for a fluoride-ion solid-state battery, said composition containing: a fluoride-ion conductive solid electrolyte and/or an active material for a fluoride-ion solid-state battery; and a fluoropolyether compound and/or a silicone compound.
Resumen de: WO2025173757A1
Provided is a coated positive electrode active substance for a lithium secondary battery, which is used in a positive electrode of an all-solid state battery in which an electrolyte is a solid electrolyte. The coated positive electrode active substance comprises a positive electrode active substance and a coating layer disposed on the surface of the positive electrode active substance. The positive electrode active substance contains nickel and cobalt and has a layered crystal structure. The coating layer has a layered structure that includes a first coating layer and a second coating layer. The first coating layer contains niobium, lithium and oxygen. The second coating layer contains a lithium-containing carboxylic acid salt.
Resumen de: WO2025171760A1
Provided in the embodiments of the present application are a battery cell, a battery, an electric device and an energy storage apparatus. The battery cell comprises a casing and a pressure relief mechanism. The casing comprises a shell, wherein the shell comprises a side wall and a bottom wall, the side wall surrounding an edge of the bottom wall. The pressure relief mechanism is arranged on the bottom wall. The side wall comprises a thickened portion and a body portion, which are distributed in sequence in a first direction; the first direction is parallel to the direction of the thickness of the bottom wall; the body portion is away from the bottom wall relative to the thickened portion; the thickened portion is connected to the bottom wall; and the maximum thickness of the thickened portion is greater than that of the body portion. On the basis of the technical solution provided in the embodiments of the present application, the reliability of the battery cell can be improved.
Resumen de: US2025266526A1
The invention relates to a housing element of a battery (1), wherein the housing element (2) is designed to be connected to an additional housing element (3), said elements providing a commonly formed interior space (4) for accommodating a plurality of battery cells (20), wherein the housing element (2) forms a first temperature-control structure (51), and a cover element (6) that forms a second temperature-control structure (52) is connected to the housing element (2) such that a flow chamber (5), through which temperature-control fluid (7) can flow, is delimited in a fluid-tight manner, wherein the first temperature-control structure (51) and the second temperature-control structure (52) are arranged inside the flow chamber (5) and are arranged so that temperature-control fluid (7) can flow around them, wherein a first element (81) of a battery controller is arranged in a thermally conductive manner on the housing element (2), and a second element (82) of a battery controller is arranged in a thermally conductive manner on the cover element (6), wherein the flow chamber (5) comprises a plurality of regions (9), whereby the first temperature-control structure (51) and the second temperature-control structure (52) each have a different design.
Resumen de: US2025266516A1
A system and method for discharging the battery cells of a battery pack for rendering the battery pack safe for shipping and disposal and preventing further use of the battery pack after reaching an end of life state. A discharge switching device is included in the battery pack and is configured to permanently transition from a first state to a second state. When the discharge switching device transitions to the second state, the stored voltage in the battery cells discharges through a voltage drain circuit that includes a power consuming load and a drain circuit. The transition of the discharge switching device to the second state prevents further charging of the battery cells in the battery pack. The transition of the discharge switching device can be controlled by a manual activation device and/or a battery management system of the battery pack.
Resumen de: US2025266459A1
The present invention provides a binder for a secondary battery electrode, capable of improving the toughness of a binder applied film after immersion in an electrolyte solution, the resistance of a secondary battery electrode mixture layer against the electrolyte solution, and the cycle characteristic of a secondary battery. The binder for a secondary battery electrode includes a carboxyl group-containing crosslinked polymer or a salt thereof, in which at least a part of the carboxyl group is a functional group used to couple with an organic compound having two or more cationic groups.
Resumen de: US2025266518A1
A cell is configured for a penetration test such that the cell is not damaged when a hole for the penetration test is formed. The cell includes an electrode assembly, a case accommodating the electrode assembly and having an area in which a hole for the penetration test is formed, and a protective sheet disposed at a position corresponding to the area between the electrode assembly and the case.
Resumen de: US2025266567A1
A battery pack may include: a case having a base plate and configured to provide an inner space; a battery module located inside the case; and a venting cover coupled to the case, the venting cover covering at least one surface of the battery module, and the venting cover configured such that at least a portion of the venting cover is movable in an outward direction of the battery module.
Resumen de: US2025266512A1
Battery assemblies may include a battery cell unit enclosed in a steel can and a battery management unit overmolded to the steel can with an overmold material. Various other devices and systems are also disclosed.
Resumen de: US2025266450A1
An electrode composite material and a method of making same are disclosed. A mixture that includes lithium sulfide (Li2S) particles containing a Li2S compound, carbon particles, and halogenated lithium phosphorous sulfide (LPS-X) particles containing an LPS-X (X is F, Cl, Br, and/or I) compound are provided. The LPS-X particles have crystallinity which can be confirmed with XRD of the LPS-X particles or the mixture showing XRD peaks indicative of crystalline LPS-X. The mixture does not include lithium phosphorous sulfide (LPS) particles made of an LPS compound. The mixture is ball-milled to provide a ball-milled composite material. At least part of the LPS-X compound contained in at least part of the LPS-X particles is converted to the LPS compound. XRD of the ball-milled composite material shows none of the XRD peaks indicative of crystalline LPS-X.
Resumen de: US2025266438A1
Provided are a positive electrode active material including a lithium manganese-based oxyhalide represented by Formula 1 and having a disordered rock-salt structure:Li0.5+aMnbMcOdXe Formula 1wherein, in Formula 1, M is at least one selected from the group consisting of titanium (Ti), nickel (Ni), zirconium (Zr), vanadium (V), cobalt (Co), tin (Sn), iron (Fe), iridium (Ir), chromium (Cr), lead (Pb), and ruthenium (Ru) and is preferably Ti, X is a halogen element and is preferably fluorine (F), and 0
Nº publicación: US2025266441A1 21/08/2025
Solicitante:
PANASONIC ENERGY CO LTD [JP]
Panasonic Energy Co., Ltd
Resumen de: US2025266441A1
A positive electrode mixture layer in this secondary battery contains a first positive electrode active material having a particle fracture strength of 90 MPa or less and a second positive electrode active material having a particle fracture strength of 110 MPa or greater. The first positive electrode active material is a lithium transition metal complex oxide that contains Ni and Mn, and has a Co content ratio of 1 mol % or less. The second positive electrode active material is a lithium transition metal complex oxide that contains Ni and Co, and has a Co content ratio of 3 mol % or greater. Regarding the positive electrode mixture layer, the content of the first positive active material is at least 5 mass % but less than 50 mass % with respect to the combined mass of the first positive electrode active material and the second positive electrode active material.
BOPI
Sede Electrónica
