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847
resultados
Última actualización
15/07/2026 [08:03:00]
Resultados 450 a 475 de 847
Resumen de: US20260196474A1
A negative electrode active material for a secondary cell according to the present invention has a metallic material containing Ce, Ni, and Bi. The metallic material contains a ternary alloy consisting of Ce, Ni, and Bi. The Ce, the Ni, and the Bi in the ternary alloy have molar ratios such that the molar ratio of the Ni relative to the molar ratio of 4 of the Ce is in the range of greater than or equal to 2.5 to less than or equal to 3.5, and the molar ratio of the Bi relative to the molar ratio of 4 of the Ce is in the range of greater than or equal to 6.5 to less than or equal to 9.5.
Resumen de: US20260196660A1
A battery pack including a battery block and an outer case accommodates the battery block. The battery block includes battery cells including discharge valves having openings for the release substance on first end faces of the battery cells. The outer case has a discharge duct that discharges a jet substance discharged through the openings of the discharge valves outside the case. A flame-retardant sheet between the discharge duct and the first end faces includes a flame-retardant foam sheet and a non-foam film stacked on a surface of the foam sheet. The non-foam film has higher heat resistance and is thinner than the foam sheet. The non-foam film faces the first end faces. The foam sheet faces the discharge duct. The flame-retardant sheet has, in portions facing the first end faces, through-holes through which the jet substance passes.
Resumen de: US20260196566A1
0000 An electrolyte for lithium secondary batteries includes an ionic liquid and cosolvents and a lithium secondary battery includes the same. The electrolyte includes a mixed solvent including the ionic liquid and the cosolvents, and at least one electrolyte salt, the cosolvents include a carbonate-based solvent and a nitrile-based solvent, and the mixed solvent includes 50-80 vol % of the ionic liquid, 15-45 vol % of the carbonate-based solvent, and 5-10 vol % of the nitrile-based solvent.
Resumen de: US20260196553A1
A negative electrode for a lithium secondary battery includes a negative electrode active layer divided into a center region, an edge region, and a sliding region on a negative electrode current collector. The lithium precipitation at the end of the negative electrode active layer can be suppressed by the alignment (O.I) of each carbon-based negative electrode active material contained in the center region, the edge region, and the sliding region satisfying Equation 1 and Equation 2. A secondary battery including the same has the advantage of excellent rapid charging performance. A method of manufacturing the negative electrode is also provided.
Resumen de: US20260192474A1
0000 An electrode manufacturing apparatus includes a slitting roll having a knife configured to cut an electrode; and at least one bracket located downstream in a movement direction of the electrode spaced apart from the slitting roll by a predetermined distance, the at least one bracket having a plurality of micro holes provided at a position facing the electrode, the at least one bracket being configured to remove foreign matter generated as a result of cutting the electrode on the slitting roll through the plurality of micro holes.
Resumen de: US20260196510A1
0000 A composition for a non-aqueous secondary battery functional layer has a surface tension S<30 >at 30° C. and a surface tension S<50 >at 50° C. that satisfy condition (1) (S<30>−S<50>)<5 mN/m and condition (2) 30 mN/m≤S<30>≤50 mN/m, and has a viscosity at 30° C. of not less than 1 mPa·s and not more than 50 mPa·s.
Resumen de: US20260196477A1
0000 A negative electrode active material for nonaqueous electrolyte secondary battery according to one embodiment of the present invention is composed of composite particles, each of which comprises a sodium aluminate phase that contains Na and Al, silicon phases that are dispersed in the sodium aluminate phase, and a conductive layer that is formed on the surface of a base particle which is composed of the sodium aluminate phase and the silicon phases.
Resumen de: US20260196491A1
A lithium secondary battery (10) disclosed includes a positive electrode (11), a negative electrode (12), a separator (13), and a nonaqueous electrolyte. The negative electrode (12) is a negative electrode in which a metal layer containing lithium is deposited during charging, and the metal layer dissolves during discharging. The negative electrode (12) includes a current collector containing copper. The negative electrode (12) contains at least one metal element M selected from the group consisting of metal elements having a melting point of 50° C. or lower as a simple substance and a metal element having the lowest melting point among metal elements that constitute an alloy having a melting point of 50° C. or lower. The negative electrode (12) contains the metal element M at an area density in a range of 0.001 mg/cm2 to 0.75 mg/cm2 in a region where the metal layer is deposited during charging.
Resumen de: US20260196495A1
This electrode active material for secondary batteries includes an active material body and a carbonaceous film provided on the surface of the active material body. The carbonaceous film contains an aromatic ring.
Resumen de: US20260193734A1
0000 The present invention is a method for producing valuable metals from a feedstock containing waste lithium-ion cells, wherein the method comprises: a pulverization step S1 for pulverizing a feedstock containing waste lithium-ion cells to produce a pulverized material; a sieving step S2 for sieving the pulverized material; a roasting step S3 for roasting the undersize material and decomposing organic matter contained in the undersize material; a flotation step S4 for subjecting the resulting roasted material to a flotation process, and recovering at least carbon obtained by decomposing the organic matter in the roasting step S3; a melting step S5 for heating the resulting flotation product and performing reduction melting of the flotation product, and obtaining a melt containing slag and metals including valuable metals. In the roasting step S3, the undersize material is roasted at a temperature of 300° C. to 600° C. inclusive.
Resumen de: US20260196496A1
0000 The present invention relates to a lithium metal composite oxide comprising a plurality of secondary particles which are aggregates of primary particles, wherein: at least a part of the secondary particles have voids therein; with respect to outline shape of the voids exposed in cross-sections of the secondary particles having voids therein, an area-weighted average aspect ratio of the voids with an equivalent circle diameter of 0.2 μm or more is 1.8 or more and 5.0 or less; and a ratio of number of the secondary particles having the voids with an equivalent circle diameter of 0.5 μm or more to total number of the secondary particles is 3% or more and 95% or less.
Resumen de: US20260196511A1
Provided is a binder composition for a non-aqueous secondary battery electrode that contains a particulate polymer restricted from excessively swelling in electrolyte solution and that can form an electrode having excellent peel strength. The binder composition for a non-aqueous secondary battery electrode contains a particulate polymer. The particulate polymer includes a (meth)acrylic acid ester monomer unit in a proportion of not less than 50 mass % and not more than 83 mass % and includes a styrene unit in a proportion of not less than 7 mass % and not more than 33 mass %. In tensile testing of a dry thin film formed using the binder composition for a non-aqueous secondary battery electrode, tensile stress at 100% elongation of the dry thin film is 10 MPa or less and maximum elongation of the dry thin film is 300% or more.
Resumen de: US20260196476A1
0000 A hydrogen storage alloy that is used for an alkaline storage battery, and that has a main phase combining crystal structures of an A<2>B<7>-type structure, an A<5>B<19>-type structure, or an AB<3>-type structure and is represented by General Formula (1): (La<1-a-b>YR)<1-c>Mg
Resumen de: US20260193476A1
A binder composition for a non-aqueous secondary battery electrode contains a polymer and a solvent. In a situation in which the binder composition for a non-aqueous secondary battery electrode is subjected to filtration using a mesh filter having an opening size of 5 μm, the number of particles having a maximum diameter of not less than 5 μm and not more than 15 μm that are observed on the mesh filter after the filtration is 2,000 particles/L or less, and the proportion of the number of particles having a maximum diameter of more than 15 μm relative to the total number of particles that are observed on the mesh filter after the filtration is 40% or less.
Resumen de: US20260193477A1
0000 Described herein are electrode active layers for energy conversion or storage devices, such as supercapacitors or batteries, and which comprise an active material and a binder comprising a salt of a sulfonated polymer. Also described herein are slurries for producing such active layers, composite electrodes comprising such active layers, and uses of such active layers in energy conversion or storage devices, as well as methods of making such active layers.
Resumen de: US20260196673A1
A secondary battery including an electrode assembly; a frame that surrounds a circumference of the electrode assembly so as to accommodate the electrode assembly, the frame including an insulation material; and a pair of exterior sheets sealed to the frame at both sides of the frame, respectively, and covering the electrode assembly is provided. A groove is defined in the frame so that a large sealing surface area is provided between the exterior sheets and the frame is.
Resumen de: US20260192699A1
0000 A charging station management method for a management system that includes an operation subsystem and a storage subsystem, and the method comprising: acquiring charging station information corresponding to at least one operator, and storing the charging station information into the storage subsystem; causing the operation subsystem or an external computing subsystem to perform data cleaning for the charging station information stored in the storage subsystem to obtain a data cleaning result; and determining, from the data cleaning result, abnormal information of a charging station corresponding to any one of the at least one operator.
Resumen de: US20260194592A1
An impedance measuring device includes a plurality of electrical paths connected to both ends of each battery cells connected in series, an AC current generating unit that allows an AC current to flow through the battery cells, a voltage fluctuation measuring unit that measures voltage fluctuations in response to the AC current, a connection operation unit that, when measuring the impedance of a cell to be measured, causes the AC current of the AC current generating unit to flow through a pair of electrical paths that are on the positive and negative sides of the cell to be measured, and connects the voltage fluctuation measuring unit to a pair of electrical paths that are also on the positive and negative sides of the cell to be measured, but that are a different combination from the pair of electrical paths through which the AC current of the AC current generating unit flows, and a calculation unit that calculates the impedance value of the cell to be measured based on an amplitude and a voltage fluctuation of the AC current.
Resumen de: US20260194575A1
Provided is a battery pack capable of conveniently diagnosing, by itself, the degree of degradation of the internal resistance of a battery. A battery pack includes: a battery; contactors; an AC constant current source supplying an AC constant current with a predetermined frequency to the battery; an AC voltmeter detecting the value of a voltage between a positive electrode and a negative electrode when the AC constant current is supplied to the battery; and a control unit supplying an AC constant current to the battery by controlling the AC constant current source, calculating the internal resistance of the battery on the basis of the value of the voltage detected by the AC voltmeter, and diagnosing the degree of degradation of the battery on the basis of the internal resistance.
Resumen de: US20260196502A1
0000 A doped manganese-based Prussian white positive-electrode material, a preparation method therefor, and use thereof are provided. The doped manganese-based Prussian white positive-electrode material of the present invention has a chemical formula of Na
Resumen de: US20260196492A1
0000 The present invention discloses a positive-electrode material, a positive-electrode plate, a sodium-ion battery, manufacturing methods therefor, and uses thereof. The positive-electrode material of the present invention presents an O3 phase and has a chemical formula of Na
Resumen de: US20260196546A1
The composite member includes a polycrystalline first member, a second member, and a boundary portion. The first member contains a first material. The second member contains a second material different from the first material. The boundary portion is located between the first member and the second member and containing the first material and the second material. The boundary portion includes a first portion and a second portion. The second portion is thicker than the first portion.
Resumen de: US20260194578A1
A controller constructs a model that has measured value information including an AC resistance value measured for learning and use history information acquired for learning as explanatory variables and a deterioration state measured for learning as a response variable. The controller estimates, using the constructed model, a deterioration state of a battery with measured value information including an AC resistance value measured for estimation and use history information acquired for estimation as explanatory variables and a deterioration state of the battery as a response variable.
Resumen de: US20260196593A1
0000 A control system controls a control valve apparatus of an electric vehicle thermal management system. The electric vehicle thermal management system includes a battery unit; a first heat exchanger; an electric drive unit; a second heat exchanger; a crossflow valve unit; and a coolant network for supplying coolant to the battery unit, the first heat exchanger, the electric drive unit, the second heat exchanger and the crossflow valve unit. The crossflow valve unit is configured to control coolant flow through the coolant network by partitioning the coolant network into one or more network configurations. The control system includes one or more processors collectively configured to: receive data relating to a vehicle operating condition; determine a crossflow valve control signal in dependence on the received data, and output the crossflow valve control signal to the crossflow valve unit.
Nº publicación: US20260192701A1 09/07/2026
Solicitante:
AULTON NEW ENERGY CO LTD [CN]
SHANGHAI DIANBA NEW ENERGY TECH CO LTD [CN]
AULTON NEW ENERGY CO., LTD.
SHANGHAI DIANBA NEW ENERGY TECHNOLOGY CO., LTD.
Resumen de: US20260192701A1
0000 A quick-swap device (100), a battery pack (200), an electric vehicle (1000) and a control method therefor are provided. The quick-swap device (100) comprises a quick-swap bracket (1) and a first heating portion (2), wherein the first heating portion (2) is connected to the quick-swap bracket (1) and is configured to heat the quick-swap bracket (1); and the quick-swap bracket (1) is heated by the first heating portion (2), to prevent failure in quick swapping of the battery pack (200) caused when the quick-swap bracket (1) and the battery pack (200) are frozen under extreme low temperatures such as snow or freezing rain.
BOPI
Sede Electrónica
