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575
results.
Updated on
14/09/2026 [07:52:00]
Results 375 to 400 of 575
Absstract of: US20260269350A1
A method for grinding a sulfur compound is provided. The method satisfies a relationship D2/D1<0.49, wherein D1 represents the median diameter of the unground sulfur compound when the grinding includes only a single pass of grinding or, when the grinding includes two or more passes of grinding, the median diameter of the sulfur compound before any pass of grinding; and D2 represents the median diameter of the sulfur compound after grinding when the grinding includes only a single pass of grinding or, when the grinding includes two or more passes of grinding, the median diameter of the sulfur compound after the any pass of grinding.
Absstract of: US20260264116A1
Provided is a coating film removing mechanism for removing a coating film from a coated film that includes the coating film on at least one surface of a base film and is conveyed. The mechanism includes: a removing member that includes a tip portion extending in a film width direction, and is for removing the coating film by bringing the tip portion into contact with the coated film; and a nozzle member disposed on an upstream side of the removing member in a film conveyance direction. The removing member and the nozzle member constitute a suction nozzle that sucks the coating film removed by the tip portion, and a side surface of the removing member and a side surface of the nozzle member are inclined so as to approach each other toward the tip portion.
Absstract of: US20260269234A1
A positive electrode active material with a small decrease in discharging capacity in charging and discharging cycles is provided. The positive electrode active material contains cobalt, nickel, and oxygen. The proportion of nickel in the sum of the cobalt and the nickel, Ni/(Co+Ni), is greater than 0.175 and less than or equal to 0.215. When the positive electrode active material in a state of being charged to 4.5 V (vs. Li/Li+) is analyzed by powder X-ray diffraction using CuKα1 radiation, diffraction peaks are observed at at least two or more of 2θ±18.526±0.1°, 2θ=37.391±0.1°, 2θ=37.628±0.1°, 2θ=39.015±0.1°, 2θ=44.947±0.1°, 2θ=49.029±0.1°, and 2θ=58.857±0.1°.
Absstract of: US20260269425A1
A secondary battery and an electric apparatus. The secondary battery includes an electrolyte solution and a separator, the separator including a base film and a coating located on at least one side of the base film, where the secondary battery satisfies: 0.5≤G×H/(10×σ)≤13, G is a Gurley value of the base film, with a unit of s, H is a thickness of the coating, with a unit of μm, and σ is an electrical conductivity of the electrolyte solution at 25° C., with a unit of mS/cm.
Absstract of: US20260265858A1
An embodiment relates to a method for recovering metals from waste batteries by using a magnetic field-applied bioleaching process. According to one embodiment, applying a magnetic field to a bioleaching process improves the recovery rate of metals and leaching valuable metals. In addition, the method is environmentally friendly compared to a dry melting process or an acid leaching process, which has been mainly used for metal recovery, and is practical due to a simple process thereof. Therefore, the method for recovering metals of the present invention may recover metals from wastes in waste resources field such as waste batteries and waste catalysts and turn the metals into resources.
Absstract of: US20260269334A1
A sodium secondary battery and an electric device. The sodium secondary battery comprises a negative electrode sheet and an electrolyte, wherein the negative electrode sheet comprises a negative electrode film layer, the negative electrode film layer containing calcium; and the electrolyte comprises a first component, the first component being a fluorocarbonate compound.
Absstract of: US20260269380A1
The present application provides a battery cell, a battery, and an electrical device. The battery cell includes a casing and an electrode assembly. The casing includes a first casing wall and a second casing wall which are oppositely arranged in a first direction, and an area of a second outer surface of the second casing wall is smaller than or equal to an area of a first outer surface of the first casing wall. The electrode assembly is accommodated in the casing and includes a body part and a first tab, the body part is located between the first casing wall and the second casing wall in the first direction, the first tab extends out from at least one end of the body part in a second direction, and the second direction intersects with the first direction.
Absstract of: US20260269275A1
0000 A secondary battery includes a positive electrode plate, a negative electrode plate, and an electrolyte. The positive electrode plate includes a positive electrode current collector, an undercoating layer, and a positive electrode active material layer, where the undercoating layer is disposed between the positive electrode current collector and the positive electrode active material layer. The undercoating layer includes an inorganic metal oxide, where element M in the inorganic metal oxide includes at least one of Al, Ti, Sn, Sb, or Mg, and a mass percentage W1 of the inorganic metal oxide is from 55% to 99%. A first compound in the electrolyte includes at least one of fluorinated ethylene carbonate, difluorinated ethylene carbonate, or a compound represented by formula (I), formula (II), or formula (III), with a mass percentage of the first compound being a %, where 0.15≤a≤21.
Absstract of: US20260269379A1
Disclosed in the present application are a battery cell, a manufacturing method therefor, a battery and an electrical apparatus. The battery cell comprises an electrode assembly, a casing and a first electrode terminal. The casing is provided with an accommodating cavity, the Brinell hardness of the casing being greater than or equal to 30 HB. The electrode assembly is arranged in the accommodating cavity, a first tab being provided at the end part of the electrode assembly in a first direction. The first electrode terminal is partially arranged in the accommodating cavity and is connected to the first tab, the first electrode terminal penetrating through the casing and extending to the outer side of the casing.
Absstract of: US20260269426A1
A battery cell, a battery, and an electric device are provided. The battery cell includes a housing, an electrode assembly, an electrode lead-out member, and an insulating bracket. The electrode assembly is accommodated in the housing and includes a main body portion and a first tab extending from an end of the main body portion in a first direction. The electrode lead-out member is arranged on the housing and is electrically connected to the first tab. The insulating bracket is disposed in the housing and arranged with the main body portion in the first direction. A portion of the insulating bracket is located between the electrode lead-out member and the housing. The insulating bracket includes a first accommodating recess on a side facing the main body portion, and at least part of the first tab extends into the first accommodating recess.
Absstract of: US20260269215A1
The present application provides a hard carbon, a preparation method, a secondary battery, and an electrical apparatus. Based on the total mass of the hard carbon, the total mass ratio of water-soluble cations in the hard carbon does not exceed 500 ppm. The hard carbon can improve the viscosity of a negative electrode slurry and can improve the cycle performance of a battery.
Absstract of: US20260269391A1
A battery housing includes a bottom plate, a peripheral side plate, and a positive electrode assembly; the bottom plate is provided with a first plate body, a second plate body, and a connecting plate body connected between the first plate body and the second plate body; the peripheral side plate is annularly arranged on an outer periphery of the bottom plate, and is connected to the bottom plate to form an accommodating cavity having an opening in one end; the positive electrode assembly is arranged on the second plate body. The bottom plate is divided into three portions, i.e., the first plate body, the second plate body, and the connecting plate body connected between the first plate body and the second plate body, and the positive electrode assembly is arranged on the second plate body.
Absstract of: US20260265059A1
The present application provides a stirring system for lithium iron phosphate slurry, including a first dispersion system formed by a first feeding mechanism, a second feeding mechanism, a first stirring tank, a homogenization pump, and a first demagnetizing machine, and a second dispersion system formed by a second stirring tank, a driving pump, a second demagnetizing machine, a heat exchanger and a grinding device. The first stirring tank is further in communication with a remote controller, where the remote controller is configured to send a first control command to the first stirring tank at a first time, and send a second control command to the first stirring tank at a second time, the first time being earlier than the second time.
Absstract of: US20260269249A1
A secondary battery includes a positive electrode containing an N,N′-mono-8-quinolyl-o-phenylene-Ni complex and 2,5-dimethoxy-1,4-benzoquinone, a negative electrode containing magnesium, sodium, or calcium, and an electrolyte disposed between the positive electrode and the negative electrode.
Absstract of: US20260266917A1
There is provided, at least, a method including: acquiring battery data including temperature data indicating a temperature of a battery, SOC data indicating an SOC of the battery, and integrated current amount data indicating an integrated current amount due to charging and discharging of the battery; calculating a first deterioration amount which is a deterioration amount of the battery according to a first deterioration characteristic based on the battery data by using a first deterioration characteristic model; calculating a second deterioration amount which is a deterioration amount of the battery according to a second deterioration characteristic based on the battery data by using a second deterioration characteristic model; and calculating a deterioration amount of the battery based on the first deterioration amount and the second deterioration amount.
Absstract of: US20260269405A1
The present invention relates to a secondary battery in which metal ions dissolved in an electrolyte are oxidized/reduced, thereby charging/discharging the battery. A secondary battery module according to an embodiment of the present invention comprises a plurality of vertically-stacked layers in which oxidation-reduction reactions occur, and a pair of bus bars that electrically connect the plurality of layers, wherein each of the plurality of layers comprises an anode in which a first half-reaction occurs and a cathode in which a second half-reaction occurs, the anode and the cathode of the layers being arranged vertically.
Absstract of: US20260269389A1
A sealing body comprises: a ring-shaped current collection plate that is connected to an electrode body by means of a positive electrode lead; a disc-shaped cap that is stacked on the current collection plate and is bonded, at a radially central portion thereof, to the current collection plate; and a gasket that encloses a peripheral portion of the stack of the current collection plate and the cap vertically and laterally. An exterior can, in an upper-end part thereof, sandwiches and fixes in place a peripheral portion of the gasket so as to cover the peripheral portion vertically and laterally. The gasket includes an inwardly protruding portion that is inserted from the outside between the current collection plate and the cap. The gap between the current collection plate and the end of the cap is filled by the protruding portion.
Absstract of: US20260269261A1
A positive electrode composition containing carbon black, carbon nanotubes, an active material, a binding material, and a liquid medium, wherein the solid content concentration is 60 to 85 mass %, and wherein the ratio (V2/V1) of the viscosity V2 at a shear rate of 1 (1/sec) at 25° C. to the viscosity V1 at a shear rate of 0.01 (1/sec) at 25° C. is 0.02 or more and 0.2 or less.
Absstract of: US20260266915A1
Technologies are provided for impedance measurements. In one aspect, a method for measuring impedance of an individual cell in a series of cells may include combining output voltages measured from the individual cell and output voltages measured from one or more neighboring cells before correlation with a stimulus current. The method may further include controlling switches associated with the individual cell and neighboring cell(s) in a certain sequence to generate the stimulus current and the output voltages for measurements. In another aspect, a local battery management system may measure voltage waveforms associated with a battery pack including a series of cells in response to a stimulus current and wirelessly transmit the measured response waveforms to a remote battery management system. The remote battery management system may calculate the impedance of the cells based on the measured voltage waveforms and stimulus current.
Absstract of: US20260264385A1
A six-roller spreading mechanism and a laminator having the same. The laminator comprises a new six-roller spreading mechanism, which comprises a metering roller, a transfer steel roller, a transfer rubber roller, a spreading steel roller, a spreading rubber roller and a spreading pressure roller, wherein the spreading rubber roller is movably connected to a base by means of a linear motion mechanism so as to enable the spreading rubber roller to linearly move on the base. The new six-roller spreading mechanism is used by the laminator. The active linear motion mechanism is connected to the spreading rubber roller to enable the spreading rubber roller to move linearly, such that control over an acting force between the spreading rubber roller and the spreading pressure roller and the spreading steel roller is achieved, thereby solving the problem of slipping caused by using a low-viscosity glue, also solving the additional problem of the feeding amount of the glue, and thus improving the spreading quality.
Absstract of: US20260266905A1
A remaining-battery-capacity estimation method provides measurement of battery discharge exploited to allow the true value to be estimated in a short time. The estimation method estimates the remaining capacity of a battery that is rechargeable and, an explained variable for estimating remaining capacity of a battery is defined. A plurality of explanatory variables that are of high importance as elements and are used for the estimation of remaining capacity and that have linearity are extracted. A relational formula represents the relationship between the explained variable and the explanatory variables and is derived as a regression formula; the regression formula is utilized to carry out a timewise lapse estimate for at least one of the battery discharge voltage and the battery discharge current, to estimate the remaining battery capacity.
Absstract of: US20260269403A1
A battery frame and a carrier. The battery frame includes a bottom plate (10) and two side plates (20), where the bottom plate (10) and the two side plates (20) are of a profile type integrally formed structure. The two side plates (20) are symmetrically connected to two sides of the bottom plate (10). The bottom plate (10) and the two side plates (20) enclose to form a channel body (11) with an upward opening. Two ends of the channel body (11) in the length direction each has an opening. Inner side walls of the two side plates each protrudes to form a plurality of boss portions (21). The boss portions (21) and the two side plates (20) enclose to form accommodating cavities (23) for mounting power batteries (90).
Absstract of: US20260269209A1
The present disclosure relates to a porous electrode that can be used in electrochemical devices, such as a lithium-ion battery. This porous electrode includes a porous layer of at least one electrode active material P deposited on a substrate, and a coating made of electronically conductive oxide material present on and inside the pores of the porous layer of at least one electrode active material P.
Absstract of: US20260269422A1
A battery device includes a cell assembly having a plurality of battery cells, and a frame member having a bottom member, a cover member, and a side member connecting the bottom member and the cover member to form an accommodating space for accommodating at least one cell assembly therein. The frame member comprises a flow space therein so that the gas or flames generated in the cell assembly flow, the flow space comprises a first flow space formed in any one of the cover member and the bottom member and a second flow space formed in the side member, and the first flow space and the second flow space are connected to each other.
Nº publicación: US20260269254A1 10/09/2026
Applicant:
RESONAC CORP [JP]
Resonac Corporation
Absstract of: US20260269254A1
A binder polymer for nonaqueous secondary batteries, in which, when a water dispersion at a pH of 12.0 at 23° C., which contains the binder polymer for nonaqueous secondary batteries at a solid content concentration of 8.0 mass %, is prepared and a 1.0 mol/L hydrochloric acid aqueous solution is added to 125 g of the water dispersion at a rate of 0.5 mL/30 seconds, there are only two linear functions, a first straight line L1 and a second straight line L2, which are determined through a least-squares method from a relationship between an electrical conductivity of y S/m of the water dispersion and a cumulative addition amount of x mL of the hydrochloric acid aqueous solution from the start of addition of the hydrochloric acid aqueous solution and until the electrical conductivity reaches 2.0 S/m.
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