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LITHIUM ION BATTERY MATERIAL AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: US20260302343A1

0000 The structural formula of the lithium ion battery material is Li<4>ZrF<8-2X>O, where 0ZrF<8 >material by means of a zirconium-containing oxide, and oxygen doping is carried out at position F, so that the ionic conductivity of the Li<4>ZrF<8 >material is greatly improved. When the Li<4>ZrF<8-2X>Omaterial is applied to a lithium ion battery, after the material reacts with water molecules in an electrolyte to generate hydroxyl, the water content in the electrolyte can be reduced.

Battery Module

Resumen de: US20260302482A1

A battery module including: a battery cell having opposite top and bottom surfaces, a long side surface extending between the top surface and the bottom surface, and a short side surface extending between the top surface, the bottom surface, and the long side surface, the battery cell including a terminal on the top surface; an end plate having an end area in contact with the long side surface of the battery cell and an end flange bent from a lower end of the end area in a direction away from the long side surface; and a side plate having a side area in contact with the short side surface of the battery cell, a side flange bent from a lower end of the side area to cover the bottom surface of the battery cell, and a side binder extending from the side flange and coupled to the end flange.

Separator for Power Storage Device

Resumen de: US20260302530A1

Provided is a separator (1) for a power storage device, the separator comprising a base material and a thermoplastic polymer-containing layer that is formed on at least one surface of the base material and that contains a thermoplastic polymer, wherein the thermoplastic polymer includes a particulate polymer (2); the thermoplastic polymer-containing layer has a dot pattern; and, on a cross section passing through the center of the dot pattern, the ratio (RX>5/X≥1) of a region in which more than 5 layers of the particulate polymer (2) are laminated to a region in which one or more layers of the particulate polymer (2) are present is 30% or less.

Battery Contactor and Vehicle Battery System

Resumen de: US20260296260A1

0000 A battery connector includes a voltage conversion and stabilization unit, a coupling unit, and a contactor. The contactor is connected to an output end of a power battery via the voltage conversion and stabilization unit and the contactor receives a control signal sent by a battery management system via the coupling unit.

Method and Device For Sealing Electrode Assembly

Resumen de: US20260302308A1

A method and device for sealing an electrode assembly, which includes a plurality of electrodes stacked alternately with a separator therebetween, include a nest that supports the electrode assembly and a hot air blower that blows hot air toward a corner portion of the electrode assembly to seal the corner portion in a non-contact manner. The sealing may be performed in a non-contact method to minimize the impact on or damage to the electrode assembly other than the portions or regions to be sealed, which is typically caused by physical contact during the sealing process. Moreover, conditions for performing the sealing may be controlled to adaptively secure uniform and stable sealing quality.

Charge Protocol Inspection Apparatus and Operating Method Thereof

Resumen de: US20260299040A1

A charge protocol inspection apparatus including an information obtaining unit is configured to obtain information about a charge protocol of a battery cell, an open circuit voltage (OCV) corresponding to a state of charge (SoC) of the battery cell, and a reference internal resistance of the battery cell, calculate an internal resistance of the battery cell during charge based on the information about the charge protocol and the OCV corresponding to the SoC of the battery cell, and compare the reference internal resistance of the battery cell with the internal resistance of the battery cell during charge.

LITHIUM-ION CONDUCTIVE MATERIAL AND SECONDARY BATTERY

Resumen de: US20260302331A1

0000 Disclosed is a novel lithium-ion conductive material. The lithium-ion conductive material of the present disclosure includes a perfluoropolyether represented by formula (1) below, and LiI dissolved in the perfluoropolyether: 0000 where Rf<1 >and Rf<2 >are each independently a C<1-16 >divalent alkylene group which may be substituted with one or more fluorine atoms, E<1 >and E<2 >are each independently a monovalent group selected from the group consisting of a fluorine group, a hydrogen group, a hydroxyl group, an aldehyde group, a carboxylic acid group, a C<1-10 >alkyl ester group, an amide group which may have one or more substituents, and an amino group which may have one or more substituents, and Ris a divalent fluoropolyether group.

FOLDABLE SOLAR PANEL

Resumen de: US20260303014A1

0000 A foldable solar panel including at least two solar modules mounted to a substrate. The foldable solar panel includes hook and loop tape to secure the foldable solar panel in the folded configuration. The foldable solar panel includes at least two straps and at least two horizontal rows of webbing operable to attach the foldable solar panel to a load-bearing platform.

ELECTRODE, BATTERY CELL, CELL STACK, BATTERY SYSTEM, AND METHOD FOR MANUFACTURING ELECTRODE

Resumen de: US20260302168A1

An electrode used in a battery system, the electrode comprising a sheet made of a nonwoven fabric containing a plurality of carbon fibers. The sheet includes a first surface and a second surface that face each other in a direction along a thickness of the sheet, the plurality of carbon fibers include a first carbon fiber, the first carbon fiber includes at least one of a cut section facing the first surface and a cut section facing the second surface, a width of the sheet is less than or equal to 1000 mm, and a length of the sheet is less than or equal to 2000 mm.

ALL-SOLID-STATE BATTERY WITH A PROTECTIVE LAYER INCLUDING A METAL SULFIDE AND A METHOD OF MANUFACTURING SAME

Resumen de: US20260302248A1

A method of manufacturing an all-solid-state battery includes preparing a slurry comprising a metal sulfide incapable of alloying with lithium, a metal capable of alloying with lithium, and a solvent; forming a protective layer by applying the slurry on an anode current collector; forming a solid electrolyte layer on the protective layer; and forming a cathode layer on the solid electrolyte layer.

COMPOSITE SODIUM-SUPPLEMENT AGENT, AND POSITIVE ELECTRODE SHEET AND PREPARATION METHOD THEREFOR, AND ELECTRICITY-CONSUMPTION DEVICE

Resumen de: US20260302330A1

A composite sodium-supplement agent, a positive electrode sheet and preparation method therefor, and an electricity-consumption device. The composite sodium-supplement agent is located on a positive electrode sheet of a sodium-ion energy storage apparatus, and includes a first sodium-supplement agent and a second sodium-supplement agent. The first sodium-supplement agent has a first oxidation potential, and the second sodium-supplement agent has a second oxidation potential. The first oxidation potential is smaller than 3.9 V. The second oxidation potential ranges from 3.9 V to 4.4 V. The composite sodium-supplement agent has a relatively comprehensive sodium supplement function, and can form a certain gradient of oxidation potential. Full-stage sodium supplementation can be performed on a sodium-ion energy storage apparatus from an initial formation stage to a subsequent cyclic charging/discharging stage.

CYLINDRICAL SECONDARY BATTERY

Resumen de: US20260302561A1

A cylindrical secondary battery includes a can and a terminal part including: a first terminal outside of the can; and a second terminal coupled to a terminal hole of the can, arranged inside and outside of the can, and riveted to the first terminal from an outside of the can. According to embodiments of the present disclosure, plastic deformation of a rivet terminal occurs outside of a can, and there is no limitation on the shape of the rivet terminal inside the can. In addition, the rivet terminal may be processed regardless of a size or height of the can, and there is no interference with the can, and a processing time may be reduced.

BATTERY CELL AND METHOD OF MANUFACTURING BATTERY CELL

Resumen de: US20260302545A1

0000 The battery cell (10A) includes a battery element (100) having a predetermined end surface from which a positive electrode current collector (110) is drawn out, a front lid member (210) that covers the predetermined end surface of the battery element (100), and a connecting conductor (310A) that has a first conductor portion (312A) electrically connected to the positive electrode current collector (110) and a second conductor portion (314A) electrically connected to the front lid member (210). The connecting conductor (310A) is bent between the first conductor portion (312A) and the second conductor portion (314A).

SIGNAL SAMPLING CIRCUIT, BATTERY MANAGEMENT SYSTEM, BATTERY SYSTEM, AND POWER CONSUMING APPARATUS

Resumen de: US20260298987A1

A signal sampling circuit, a battery management system, a battery system, and a power consuming apparatus is disclosed. The signal sampling circuit includes a voltage division module, a switching module, and a sampling module. The voltage division module and the switching module are connected in series between a to-be-tested point and a reference signal end of the sampling module. A control end of the switching module is connected to an enable signal end of the sampling module. The sampling module is connected to a first reference ground. A sampling point is provided in the voltage division module. The sampling module is configured to acquire a sampling signal of the sampling point. Embodiments of the present application help reduce costs of the signal sampling circuit.

SOLID ELECTROLYTE INCLUDING COVALENT ORGANIC FRAMEWORK, AND ALL-SOLID-STATE BATTERY INCLUDING SAME

Resumen de: US20260302346A1

0000 The present invention relates to a solid electrolyte comprising a covalent organic framework, and more specifically, to a solid electrolyte comprising a covalent organic framework (COF) and a polyalkylene oxide-based crosslinked polymer, and an all-solid-state battery comprising the same.

A Method of Monitoring an Aerosol Generating System and an Aerosol Generating System

Resumen de: US20260293998A1

0000 A method of monitoring an aerosol generating system comprising a plurality of energy storage devices, e.g., a Li-ion secondary battery and a capacitor or capacitor module adapted to supply power to generate an aerosol. The method includes applying an alternating current (AC) signal to the at least one energy storage device. At least one of voltage and current measurements obtained in response to the applied AC signal are used to estimate or determine one or more electrical parameters of the at least one energy storage device. The one or more electrical parameters are used to estimate or determine a condition of the at least one energy storage device.

POSITIVE ELECTRODE FOR ALL-SOLID-STATE RECHARGEABLE BATTERIES AND ALL-SOLID-STATE RECHARGEABLE BATTERIES

Resumen de: US20260302249A1

Provided are a positive electrode for an all-solid-state rechargeable battery including a current collector and a positive electrode active material layer on the current collector, wherein the positive electrode active material layer includes a positive electrode active material, a sulfide-based solid electrolyte, a fluorine-based binder, a lithium salt, and a dispersion medium, and the dispersion medium includes a compound and an all-solid-state rechargeable battery.

CATHODE ACTIVE MATERIAL HAVING SPINEL STRUCTURE

Resumen de: US20260302201A1

0000 The present invention relates to a cathode active material comprising: (a) first crystal particles, wherein the first crystal particles have a spinel structure and are of the formula LiNiMn<3-x-y-z>DO<4>, wherein 0.95≤x≤1.05; and 0.45≤y≤0.50, and 0≤z≤0.20, and wherein D is a dopant selected from B, N, F, Mg, Al, Nb, Si, P, La, S, Ca, Ti, Cr, Fe, Co, Cu, Zn, Zr, Mo, Sn, W and mixtures thereof, and the first crystal particles have a particle size of no greater than 3 μm measured as the arithmetic mean value of the minimum Feret diameter of the particles measured using scanning electron microscopy, (b) second crystal particles, wherein the second crystal particles comprise material having a spinel structure and which is of the formula LiNiMn<3-x′-y′-z′>D′O<4>, wherein: 0.95≤x′≤1.05; 0.43≤y′<0.47, and 0≤z′≤0.20, and wherein D′ is a dopant selected from B, N, F, Mg, Al, Nb, Si, P, La, S, Ca, Ti, Cr, Fe, Co, Cu, Zn, Zr, Mo, Sn, W and mixtures thereof, and the second crystal particles have an average particle size of at least 3 times that of the average particle size of the first crystal particles, measured as the arithmetic mean value of the minimum Feret diameter of the particles measured using scanning electron microscopy.

ELECTRONIC DEVICE, CONTROL METHOD THEREFOR, AND PROGRAM

Resumen de: US20260302810A1

Disclosed is an electronic device that monitors the charging status of a rechargeable battery built into the electronic device, estimates a user's intention of charging according to the status of the electronic device, and when the rechargeable battery is not being charged in a state where it is estimated that the user has the intention of charging, notifies the user of such a fact.

Lithium Secondary Battery and Method for Manufacturing the Same

Resumen de: US20260302443A1

A method for manufacturing a lithium secondary battery is provided. The method includes steps of manufacturing a battery cell by disposing an electrode assembly in a battery case, and injecting electrolyte, and performing a pre-cycle for the battery cell at least three times in a voltage range of from 2.50 V to 4.35 V.

Pouch For Secondary Battery And Lithium Secondary Battery Comprising The Same

Resumen de: US20260302442A1

Provided is a pouch for a secondary battery and a lithium secondary battery including the same. The pouch for the secondary battery includes a barrier layer, a base material layer disposed on one surface of the barrier layer, and a sealant layer disposed on the other surface of the barrier layer. The sealant layer includes a first sealant layer disposed on directly in contact with the other surface of the barrier layer, and a second sealant layer disposed on the first sealant layer. The sealant layer has a melt flow rate (MFR) of about 14.0 g/10 min or less, which is measured at a temperature of about 230° C. under a load condition of about 2.16 kg.

POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, SECONDARY BATTERY, AND ELECTRICAL DEVICE

Resumen de: US20260296917A1

A positive electrode active material and a preparation method therefor, a positive electrode sheet, a secondary battery, and an electric device, wherein the positive electrode active material comprises hollow secondary particles, the hollow secondary particles comprising LiaNixCoyMnzAqMpOb, 0.2≤a≤1.2, 1.8≤b≤2, 0.3≤x≤0.6, 0≤y≤0.4, 0

BATTERY CELL COMPRISING CASE, ELECTRODE TERMINAL, AND SEALING MEMBER, BATTERY COMPRISING THE BATTERY CELL, AND ELECTRIC APPARATUS COMPRISING THE BATTERY

Resumen de: US20260302457A1

0000 This application discloses a battery cell, a battery, and an electric apparatus. The battery cell includes a case, an electrode terminal, and a sealing member. The electrode terminal has an insertion portion and a flange portion connected in the axial direction, with the flange positioned outward of the insertion portion and extending beyond it in the radial direction. A groove extends along the axial direction of the terminal, with its opening on the outer face of the flange. The sealing member includes a body portion located in the groove to seal it, and an adapter portion at the end of the body portion facing away from the case. The adapter has a smaller radial dimension than the body and protrudes axially from the flange and body to allow electrical connection with an external component. This structure helps reduce heat transfer to the electrode terminal, thereby improving thermal stability and safety of the battery cell.

POSITIVE ELECTRODE FOR ALL-SOLID-STATE BATTERY AND ALL-SOLID-STATE BATTERY INCLUDING SAME

Resumen de: US20260302378A1

0000 The present invention relates to a positive electrode for an all-solid-state battery, and the positive electrode for an all-solid-state battery comprises a positive electrode layer including a positive electrode active material, a sulfide-based solid electrolyte, a positive electrolyte layer including a plasticizer and a lithium salt that is a solid at room temperature and liquid at 60° C. or higher, and a current collector supporting the positive electrode layer.

Negative Electrode Secondary Battery Including The Same And Method For Making The Same

Nº publicación: US20260302244A1 01/10/2026

Solicitante:

LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.

Resumen de: US20260302244A1

A negative electrode for a secondary battery including: includes: (1) a current collector; and (2) a negative electrode active material layer provided on the current collector. The negative electrode active material layer includes a negative electrode active material and a conductive material, which includes a linear conductive material and a planar conductive material. The negative electrode active material layer has an oriented structure. A secondary battery includes the above-described negative electrode.