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CHARGING CONTROL METHOD, ELECTRONIC DEVICE, STORAGE MEDIUM, AND PROGRAM PRODUCT

Resumen de: WO2026045561A1

The embodiments of the present application relate to the technical field of charging. Provided are a charging control method, an electronic device, a storage medium, and a program product, which can improve the available capacity of a battery while improving the safety and service life of the battery. The charging control method comprises: when a battery is charged in a constant-voltage mode with a first voltage value as a charging voltage value, if the voltage value of the battery is less than or equal to a first voltage threshold value and a charging current value is less than or equal to a first current threshold value, increasing the charging voltage value to a second voltage value, wherein the second voltage value is greater than the first voltage value, and the first voltage threshold value is less than the first voltage value; when the battery is charged in the constant-voltage mode with the first voltage value as the charging voltage value, if a first condition is met, stopping the charging of the battery; and when the battery is charged in the constant-voltage mode with the second voltage value as the charging voltage value, if a second condition is met, stopping the charging of the battery.

SECONDARY BATTERY AND ELECTRONIC DEVICE

Resumen de: WO2026045662A1

Disclosed in the present application are a secondary battery and an electronic device. The secondary battery comprises a packaging bag, an electrode assembly, an electrical connector, a first insulation member and a second insulation member. The electrode assembly is located in the packaging bag, the electrode assembly comprises a main body and a tab assembly, the tab assembly comprises a plurality of tabs, and the electrical connector is located outside the packaging bag and is electrically connected to the tab assembly. The tab assembly comprises a first portion and a second portion, the first portion extending from the main body and being connected to the second portion, and the second portion being bent towards the main body, forming a weld mark with the electrical connector, and comprising a first surface and a second surface. The first insulation member covers the weld mark, the second insulation member is located on one side of the tab assembly in the direction of thickness, and the second insulation member extends from the first surface of the second portion through the first portion to the main body. The thickness of the first insulation member is T1, and the thickness of the second insulation member is T2, wherein T1＞T2, 25μm≤T1≤60μm, and T2≥4μm, satisfying requirements of both safety performance and drop resistance of the secondary battery.

BATTERY CELL AND BATTERY SYSTEM

Resumen de: WO2026045584A1

A battery cell and a battery system. The battery cell comprises a first tab, a first electrode sheet and a first switching member, wherein the first electrode sheet can lead out an electrode by means of the first tab; within a first temperature range, the first switching member has a first form, and the first tab is conductively connected to the first electrode sheet; and within a second temperature range, the first switching member has a second form, and the first tab is non-conductively connected to the first electrode sheet.

Composite Sodium Ferrous Sulfate Cathode Material, and Preparation Method and Application Thereof

Resumen de: US20260062310A1

The present disclosure belongs to the field of sodium batteries. Provided are a composite sodium ferrous sulfate cathode material, and a preparation method and application thereof. The composite sodium ferrous sulfate cathode material includes a core. A chemical formula of the core is NaxMyFez(PO4)k(SO4)(0.4-0.6) xOt, where M includes at least one of manganese, vanadium, or titanium, 16≤x≤17, y=1, 4≤z≤5, 2≤k≤2.6, and y+z−0.1x−1.5k≤t≤y+z+0.1x−1.5k. According to the present disclosure, sulfate decomposition is reduced, the material performance of the composite sodium ferrous sulfate cathode material is improved, and a secondary battery using the composite sodium ferrous sulfate cathode material is improved in terms of performance such as cycling performance.

LITHIUM SUPPLEMENT AND PREPARATION METHOD THEREOF, CATHODE SLURRY, AND BATTERY

Resumen de: US20260062308A1

A lithium supplement includes a core and a coating layer located on at least part of a surface of the core. The core satisfies a chemical formula LixM1yM21−yO6, where: 6≤x≤8; 0

POSITIVE ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD THEREOF, BATTERY CELL, AND POWER CONSUMING APPARATUS

Resumen de: US20260062298A1

The present application discloses a positive electrode active material, a preparation method thereof, a battery cell, and a power consuming apparatus. The positive electrode active material includes a lithium-containing phosphate, a charge capacity per gram of the positive electrode active material at 25° C. is denoted as C1, the charge capacity per gram of the positive electrode active material at 60° C. is denoted as C2, both units are mAh/g, and C2/C1≥1.020. The positive electrode active material provided in the present application can improve a cycle performance of a battery.

METHOD FOR PREPARING POSITIVE ELECTRODE MATERIAL AND ENERGY STORAGE BATTERY

Resumen de: US20260062311A1

A method for preparing a positive electrode material and an energy storage battery are provided. The method includes: preparing an Fe-MOF, including: dispersing a first iron source in a solvent, adding the cyanamide organic ligands into the solvent to perform reflux reaction to obtain a reaction solution, and performing cooling, filtering, and cleaning on the reaction solution to obtain the Fe-MOF; grinding and blending the Fe-MOF with a second iron source, a lithium source, and a phosphorus source to obtain a premix; and performing a sintering treatment on the premix under an atmosphere of an inert gas to obtain a composite lithium iron phosphate positive electrode material. The composite lithium iron phosphate positive electrode material includes lithium iron phosphate particles and carbon nanotubes, the lithium iron phosphate particles are attached to a surface of the carbon nanotubes, and there is iron wrapped by each of the carbon nanotubes.

LITHIUM CARBONATE AND USES THEREOF

Resumen de: US20260062304A1

Exemplary lithium carbonate (Li2CO3) particles may comprise at least 98% by weight (wt %) lithium carbonate. Exemplary lithium carbonate (Li2CO3) particles may have a Dv (50) between 0.08 μm and 0.43 μm. Exemplary lithium carbonate (Li2CO3) particles may have a Dn (50) between 0.015 μm and 0.5 μm. Exemplary lithium carbonate (Li2CO3) particles may have a BET surface area between 10 m2/g and 25 m2/g. Exemplary batteries may comprise a cathode, an anode, a separator sheet, and a non-aqueous electrolyte. Exemplary cathodes may have a cathode active material layer including a cathode active material and a plurality of lithium carbonate (Li2CO3) particles.

AEROSOL-GENERATING DEVICE

Resumen de: US20260060328A1

An aerosol-generating device is provided, including: control circuitry and an energy storage configured to supply electrical energy to the control circuitry for generating aerosol from an aerosol-generating article; the control circuitry being configured to: determine a storage status of the energy storage indicative of at least one of an amount of electrical energy currently stored and currently storable in the energy storage, evaluate the determined storage status with respect to at least one threshold value correlating with a threshold energy required for performing a main heating function of the device for heating the article at or above a predetermined heating temperature to generate aerosol in at least one usage session, and for performing at least one auxiliary device function of the device different than the main heating function, and enable or disable, based on the evaluation, at least one of the main heating function and the auxiliary device function.

HEATED APPAREL SYSTEM COMPRISING AT LEAST ONE ARTICLE OF HEATED APPAREL WITH A HEATER, A HEATER CONTROLLER AND AN ELECTRICAL POWER SUPPLY

Resumen de: AU2026201126A1

Abstract Disclosed embodiments describe approaches for warming a portion of a human body. The warming is based on heated apparel (e.g., a heated glove) coupled to an electrical power supply through a heater controller. The heated apparel (e.g., a glove) can be fabricated using a narrow knit electronic textile. A heater can be constructed from the narrow knit electronic textile. The heater is coupled to the heated apparel (e.g., a glove) for warming a portion (e.g., a hand) of a human body, wherein heating by the heater is accomplished using electrical power from the electrical power supply. The heater is controlled by a heater controller which is interposed between the heater and the electrical power supply.

APPARATUS FOR MITIGATION OF THERMAL EVENT PROPAGATION FOR BATTERY SYSTEMS

Resumen de: AU2026201060A1

Apparatus for mitigating propagation of thermal events between battery cells within a battery module assembly (10) is provided. The apparatus comprises one or more of several features that function to prevent a runaway thermal event within one battery cell (48) from triggering a fire or other thermal event within another battery cell within the 5 battery module assembly (10). The apparatus may comprise one or more of: (i) a compressive wrap (88) applied to a battery cell (48); (ii) a layered barrier material (104) positioned between adjacent battery cells (48); (iii) silicone rubber supports (94) positioned adjacent the battery terminals (62, 64), (iv) a light-weight, fire-resistant housing composite panel, and (v) rupturable diaphragms (36) configured to vent gases and ejecta from a 10 battery cell undergoing a thermal event. eb e b

BATTERY POWERED GARDEN SHREDDER

Resumen de: AU2026201156A1

Systems and methods providing battery powered garden shredder (100) configurations in which one or more batteries (151a, 152a, 151b) may be utilized to power a motor (340) of a battery powered garden shredder (100) implementation are described. A shredder powerhead assembly (110a, 110b) may include a battery area (115a, 115b) configured to receive and securely hold one or more batteries (151a, 152a, 151b), wherein the battery area (115a, 115b) may be recessed and/or otherwise configured to provide protection to the batteries (151a, 152a, 151b). The battery area (115a, 115b) may be variously configured to accommodating and protecting components such as the batteries (151a, 152a, 151b), battery docking interfaces (321a, 322a, 321b), safety keys, safety key interfaces, etc. The battery area may comprise a cover structure (160, 560) for providing protection. The shredder powerhead assembly (110a, 110b) may be held in juxtaposition with a bin (130) by a support structure (120), embodiments of which provide a pivotal interface (124). A motor cowl (170) configured for ventilating various components while discouraging infiltration of debris into an internal area containing the components may also be provided. eb e b

Optically transparent polymer electrolyte films

Resumen de: AU2026201018A1

Provided are electrolyte films comprising a polymer layer; an electrolyte within the polymer layer, wherein the electrolyte comprises a salt and a plasticizer; and wherein an Ra between the plasticizer and the polymer layer is less than about 3.79. eb e b

BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS

Resumen de: AU2024316784A1

A battery cell, a battery, and an electric apparatus. The battery cell comprises an electrode assembly and an outer package, wherein the electrode assembly comprises a positive electrode sheet, the positive electrode sheet comprising a positive electrode current collector and a positive electrode film layer disposed on at least one surface of the positive electrode current collector, the positive electrode film layer comprising a positive electrode active material, and the positive electrode active material comprising a layered lithium-containing transition metal oxide having a single crystal morphology; the length of the battery cell is denoted as a and the width of the battery cell is denoted as b, a being greater than or equal to 180 mm, and a/b being 2.0-10.5. The battery thus has both high energy density and long cycle life.

Modular power battery system and new energy device

Resumen de: AU2024266813A1

The present invention provides a modular power battery system, comprising at least one modular power battery unit, wherein each of the modular power battery units includes: a battery pack module (1); a cooling unit module (2) for cooling and heating the battery pack module (1); and a BDU module (3) electrically connected with the battery pack module (1) to control the electrical connection and disconnection between the battery pack module (3) and an electrical appliance. The present invention may satisfy different charge demands of a whole machine of various new energy engineering machinery. The present invention provides a modular power battery system, comprising at least one modular power battery unit, wherein each of the modular power battery units includes: a battery pack module (1); a cooling unit module (2) for cooling and heating the battery pack module (1); and a BDU module (3) electrically connected with the battery pack module (1) to control the electrical connection and disconnection between the battery pack module (3) and an electrical appliance. The present invention may satisfy different charge demands of a whole machine of various new energy engineering machinery. ov o v Fig. 1 217 203 13-. ' — _6 \\, ?=v '•' ' fn ■i!! i ■ 4v'^lJ18 i-Afeja s\ 58\ \ . \UsV-li^-1 ' 17 ;l i i/ \ 16 v 22I 11\ 10 3 13 7 20 21 25 24 tn = 10 11 16 22 23 18 1 17 8 5 9 Fig. 1 ov o v

COOLING PLATE, BATTERY PACK, AND ELECTRIC DEVICE

Resumen de: US20260066387A1

Provided are a cooling plate, a battery pack, and an electric device. The cooling plate has at least one flow channel. The at least one flow channel includes a first flow channel. The first flow channel has a cross section in a shape of a non-circle. In the case that the cooling plate is subjected to an external pressure, the shape of the cross section of the first flow channel changes to enable a volume of the first flow channel to be increased.

MULTI-FUNCTIONAL INTERLAYER FOR SUPERBEAM SUBCHANNEL IN VEHICLE BATTERY PACK

Resumen de: US20260066384A1

A battery for an electric vehicle is provided. The battery includes a battery pack housing, a battery pack carried by the battery pack housing, and a superbeam contained within the battery pack housing. The superbeam includes a first face plate, a first passenger plate that partially abuts the first face plate, a first subchannel defined by the first face plate and the first passenger plate, a second passenger plate, a thermal barrier interlayer disposed between the first passenger plate and the second passenger plate, a second face plate opposite the first face plate, a second subchannel defined by the second face plate and the second passenger plate, and an inlet port and an outlet port extending through the superbeam. A portion of the first passenger plate and a portion of the second passenger plate define an air gap. The thermal barrier interlayer extends into the air gap.

BATTERY ALUMINUM FOIL COATING DEVICE, BATTERY ALUMINUM FOIL COATING METHOD, AND BATTERY

Resumen de: US20260066257A1

A battery aluminum foil coating device, a battery aluminum foil coating method, and a battery are provided. By sequentially passing the aluminum foil through an unwinding mechanism, a double-sided coating assembly, a first-sided coating assembly, a second-sided coating assembly and a winding mechanism to complete double-sided coating, the aluminum foil carbon layer coating process and the electrode slurry coating process may be combined, production cost may be reduced, production cycle may be shortened, and resource waste may be reduced.

POSITIVE ELECTRODE PLATE, PREPARATION METHOD THEREOF, SECONDARY BATTERY, AND ELECTRIC APPARATUS

Resumen de: US20260066292A1

A positive electrode plate, a preparation method thereof, a secondary battery, and an electric apparatus. The positive electrode plate includes a current collector and a positive electrode film layer formed on at least one side of the current collector. The positive electrode film layer includes a positive electrode active material comprising a substrate and a carbon coating layer on the surface of the substrate. The substrate has a general formula LizFexMn(1-x-y)MyPO4, where 1≤z≤1.1, 0.5≤x≤1, 0≤y≤0.1, and M is at least one of Ti, V, and Mg. At least part of the active material includes primary particles, with no more than 10% having sizes between 80 nm and 180 nm, and no more than 15 particles exceeding 1500 nm within a defined microscopic region. This structure improves the particle size distribution concentration, enhancing the cycling performance of batteries.

POSITIVE ELECTRODE MATERIAL, ELECTROCHEMICAL DEVICE, AND ELECTRONIC DEVICE

Resumen de: US20260066289A1

A positive electrode material, including a lithium cobalt composite oxide, where the lithium cobalt composite oxide includes a matrix and a coating layer located on a surface of the matrix, the coating layer includes a first region and a second region, the first region has a P63mc crystal structure, the second region has an R-3m crystal structure, and both the first region and the second region contain element Na. The positive electrode material of this application can reduce interface impedance during lithium-ion intercalation and deintercalation, improving high-temperature storage performance and cycling performance of the electrochemical device under high voltage.

ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS

Resumen de: US20260066288A1

An electrochemical apparatus includes a positive electrode and a non-aqueous electrolyte, where the positive electrode includes a positive electrode material layer disposed on at least one surface of a positive electrode current collector, the positive electrode material layer includes a lithium-containing transition metal composite oxide, and the lithium-containing transition metal composite oxide includes LixNazCo1-yMyO2, where 0.6

LITHIUM-ION SECONDARY BATTERY

Resumen de: US20260066276A1

A lithium-ion secondary battery includes a positive electrode current collector, which is provided with N positive electrode tabs, N≥2, and at least a part of a functional surface of the positive electrode current collector is provided with a positive electrode functional layer including a positive electrode active material. The positive electrode active material includes a monocrystal ternary material with a chemical composition of LipMem(NixCoyMnz)O2 and a polycrystal ternary material with a chemical composition of LiqMen(NiaCobMnc)O2, and the lithium-ion secondary battery satisfies 0.2≤(C×N)/W≤7.5, where C is the molar content of nickel of the positive electrode active material; and W is the width of the positive electrode tabs.

ULTRAHIGH-MOLECULAR-WEIGHT POLYOLEFIN SEPARATOR AND METHOD FOR PREPARING SAME

Resumen de: US20260062506A1

The present application provides an ultrahigh-molecular-weight polyolefin separator, including ultrahigh-molecular-weight polyethylene. ultrahigh-molecular-weight polyethylene has an average molecular weight of ≥1 million. The ultrahigh-molecular-weight polyolefin separator has a median aperture of 0.04 μm-1 μm, the maximum aperture of no more than 1.2 μm, and a puncture strength of ≥50 gf. Further, the present application further provides a method for preparing an ultrahigh-molecular-weight polyolefin separator. Because the polyolefin separator is safer than an ordinary non-woven separator, and has higher ionic conductivity and larger median aperture, the problems that an ordinary non-woven separator of a lithium-ion battery, although having a high lithium-ion passage rate, has a high degree of danger, and is prone to cause a short circuit of the battery are exactly solved.

Elektrolyt-Zusammensetzung, Batterie und Vorrichtung mit dieser Zusammensetzung

Resumen de: DE102024130671A1

Eine Elektrolytzusammensetzung für Batterien wird bereitgestellt. Die Elektrolytzusammensetzung umfasst ein Lösungsmittel, das ein oder mehrere fluorierte Carbonate umfasst. Die Elektrolytzusammensetzung umfasst außerdem ein Salz auf Lithiumbasis und ein Lithium(oxalato)boratsalz. Außerdem wird eine Batterie bereitgestellt, die die Elektrolytzusammensetzung umfasst. Die Batterie umfasst eine Anode, eine Kathode auf Nickelbasis und die Elektrolytzusammensetzung, die zwischen der Anode und der Kathode auf Nickelbasis angeordnet ist.

Multi-Field Synergistic Restoration Method for Retired Batteries, and Devices

Nº publicación: US20260066375A1 05/03/2026

Solicitante:

TIANJIN CHUXI TECH CO LTD [CN]
TIANJIN CHUXI TECHNOLOGY CO., LTD

Resumen de: US20260066375A1

A multi-field synergistic repair method for retired batteries and devices thereof relates to the technical field of battery repair, which comprises the following steps: charging and discharging a retired battery in sequence; the charging and/or discharging are performed under the action of synergistic fields to obtain a regenerated battery; the synergistic fields are at least one of magnetic fields, pressure fields or temperature fields; the charging and discharging are cycled 1 time to 20 times in total. The invention solves the problems of complex process, high cost and poor effect of existing battery recycling processes; the battery performance can be restored to more than 80% of the initial capacity of the new battery, realizing the regeneration of lithium-ion batteries and sodium-ion batteries; the battery regeneration method has the advantages of no need to disassemble the battery, short time, low energy consumption, low cost, and zero emission.