Alerta

SILICON COMPOSITE NEGATIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY INCLUDING LITHIUM SILICATE MATRIX, METHOD FOR PREPARING THE SAME AND NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: US20260321587A1

0000 A composite negative electrode material for a lithium secondary battery includes a lithium silicate matrix and silicon. The composite negative electrode material can provide a lithium secondary battery with improved performance, since large volumetric swelling of silicon occurring during charging/discharging can be inhibited by virtue of the lithium silicate matrix.

CARRYING DEVICE, BATTERY PRODUCTION LINE, AND CONTROL METHOD FOR CARRYING DEVICE

Resumen de: US20260316279A1

A carrying device, a battery production line, and a control method for carrying device are disclosed. The carrying device can reduce the risk of damage to a target object caused by collision during a carrying process of the target object. The carrying device includes: a transport apparatus, a gripping apparatus, and a detection apparatus; where the transport apparatus includes a first drive mechanism; and the gripping apparatus is disposed on the first drive mechanism and is configured to grip a target object. The detection apparatus is disposed on the gripping apparatus and is electrically connected to the first drive mechanism. When the detection apparatus has detected that the target object gripped by the gripping apparatus is about to experience a collision or has experienced a collision, the first drive mechanism can drive the gripping apparatus to move toward the transport apparatus.

BATTERY-POWERED WINDFARM ELEVATOR SYSTEM

Resumen de: US20260318285A1

0000 A lift system for a wind turbine includes an elevator car disposed inside the wind turbine. The elevator car includes a platform to support a worker, a sidewall extending from the platform, and a top portion coupled with the sidewall. The platform, sidewall, and top portion define a cabin. The lift system includes a traction hoist coupled with the top portion. The traction hoist is configured to move the elevator car within the wind turbine. The lift system includes a control panel operably coupled with the traction hoist. The control panel is configured to receive an input to control the traction hoist. The lift system includes a portable battery configured to power the traction hoist. The portable battery is configured to be removably coupled with the elevator car to electrically couple the portable battery with the traction hoist.

HEAT TRANSFER FLUIDS

Resumen de: US20260321763A1

Described herein is an electrical apparatus that includes at least one electrical component in thermal contact with a heat transfer fluid, including by weight percent of the fluid >95% at least one ester of a C5-C9 monocarboxylic acid and a C5-C9 monoalcohol having a carbon number of less than 17.

FLEXIBLE PACKAGING FOR USE IN ENERGY STORAGE DEVICES, AND METHOD OF MANUFACTURE THEREOF

Resumen de: US20260321817A1

0000 A flexible packaging material is described, which includes an elastic material layer, a metal foil layer, and a sealant material layer. The flexible packaging material may also include at least one interlaminar adhesive layer. The flexible packaging material may be utilized to form a packaging encapsulating an energy storage device assembly, thereby forming a flexible energy storage device.

POSITIVE ELECTRODE, METHOD FOR FORMING POSITIVE ELECTRODE, SECONDARY BATTERY, ELECTRONIC DEVICE, POWER STORAGE SYSTEM, AND VEHICLE

Resumen de: US20260321604A1

0000 A positive electrode and a secondary battery with little deterioration due to charge and discharge are provided. A positive electrode and a secondary battery with high electrode density are provided. Alternatively, a positive electrode and a secondary battery with excellent rate characteristics are provided. The positive electrode contains a positive electrode active material and a coating material. The coating material covers at least part of a surface of the positive electrode active material, and the positive electrode active material contains lithium cobalt oxide containing magnesium, fluorine, aluminum, and nickel. The lithium cobalt oxide includes a region with the highest concentration of one or more selected from the magnesium, the fluorine, and the aluminum in a surface portion. The coating material is preferably one or more selected from glass, carbon black, graphene, and a graphene compound.

Battery System, Relay Back Electromotive Force Protection Circuit, and Protection Circuit Monitoring Method

Resumen de: US20260318984A1

0000 The present disclosure relates to a battery system, a relay back electromotive force (EMF) protection circuit, and a protection circuit monitoring method. The battery system includes a battery pack; a relay that is connected to one of both terminals of the battery pack and includes a relay coil; and a battery management system (BMS) that is connected to the relay coil to control an operation of the relay, in which the BMS includes: a protection circuit that applies a voltage to the relay coil to operate the relay and includes a capacitor connected in parallel with the relay coil, and a main control unit (MCU) that transmits a control signal for controlling an operation of the relay to the protection circuit and diagnoses an operation of the protection circuit based on a voltage signal received from the protection circuit.

Electrode Surface Treatment Device and Electrode Coating System Including Same

Resumen de: US20260321570A1

0000 An electrode surface treatment device according to an embodiment of the present disclosure includes: a guide roll configured to come into contact with and support electrode foil moving in the machine direction, thereby guiding movement of the electrode foil; and a plasma unit configured to perform surface treatment on the electrode foil by spraying plasma onto the electrode foil while the electrode foil is being moved.

SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: US20260321623A1

A secondary battery and an electric device are provided. The secondary battery includes a negative electrode sheet and a positive electrode sheet. The negative electrode sheet includes a negative electrode film layer comprising artificial graphite having a graphitization degree greater than 93%. The positive electrode sheet includes a positive electrode film layer comprising a positive electrode active material in the form of single-crystal particles, wherein a total molar amount of nickel, cobalt, and manganese in a chemical formula of the positive electrode active material is 1, and a molar amount of nickel is 0.6 to 1. An areal density of the negative electrode film layer is σ1, an areal density of the positive electrode film layer is σ2, and a ratio σ1/σ2 is 0.35 to 0.75. The secondary battery exhibits reduced swelling force, improved cycling performance, and high energy density.

POSITIVE ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD THEREFOR, SODIUM ION BATTERY, AND ELECTRICAL DEVICE

Resumen de: US20260321631A1

A positive electrode active material has the following general formula: NaxMy(P1 wAwO4)z(P2-uAuO7). M is selected from one or more of Fe, Ti, V, Cr, Mn, Mg, Ca, Zr, Cd, Co, Ni, Cu, Zn and Nb. A is selected from one or more of Ga, Ge, Sb, Se, Te, Bi and In. x satisfies a condition of 2≤x≤4; y satisfies a condition of 1≤y≤4; z satisfies a condition of 0≤z≤2; w satisfies a condition of 0

POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR, SODIUM ION BATTERY, AND ELECTRIC DEVICE

Resumen de: US20260321630A1

A positive electrode active material and a preparation method therefor, a sodium ion battery, and an electrical device. The positive electrode active material has compositions as shown in the following general formula: NaxMyEn(P1-wAwO4)z(P2-uAuO7), where A is selected from one or more of S, Si, B, As, or Al; M is selected from one or more of Fe, Ti, V, Cr, Mn, Co, Ni, Cu, or Zn; E is selected from one or more of Zr, Tc, Ru, Rh, Ir, Nb, La, or Ce; x satisfies a condition: 2≤x≤4, and 1≤y+n≤3, wherein y and n are both not 0; z satisfies a condition: 0≤z≤2, and w satisfies a condition: 0

CRUSHED UNIT BATTERY MATERIAL, CRUSHED BATTERY MATERIAL INCLUDING THE SAME, AND BATTERY TREATMENT METHOD

Resumen de: US20260321760A1

Provided are a crushed unit battery material, a crushed battery material including the same, and a battery treatment method. The crushed unit battery material is a crushed unit battery material for recovering valuable metals from a waste battery, has a layered structure including a separator in which a positive electrode or a negative electrode is laminated on at least one surface, and satisfies the following Conditions 1 and 2: the layered structure has a laminate structure of 1 layer or more and 7 layers or less. a size of the crushed unit battery material is 100 mm or less based on a long axis which is the longest axis in horizontal, vertical, and height directions.

POWER STORAGE MODULE AND METHOD FOR MANUFACTURING POWER STORAGE MODULE

Resumen de: US20260321940A1

0000 A power storage module includes an electrode laminate, a sealing body provided for the electrode laminate, and an injected resin portion bonded to the sealing body. Each of the plurality of electrodes includes a current collector having a rectangular shape when viewed in a first direction. The sealing body includes a welded end where outer peripheral edges of a plurality of frame-shaped members are welded to each other, and a plurality of communication holes communicating with an outside of an injection port surface at the welded end. The injected resin portion includes a main body portion partially covering the injection port surface, and a plurality of protruding frame portions surrounding openings connected to the plurality of communication holes when viewed in a second direction intersecting the injection port surface.

EFFICIENT AND ENVIRONMENTALLY FRIENDLY COOLANTS FOR DIRECT COOLING OF ELECTRIC ACCUMULATORS

Resumen de: US20260317611A1

0000 The present invention relates to the use of a composition of greater than or equal to 80 wt. % and less than or equal to 100 wt. % consisting of diesters of butanediol with aliphatic C4-C10 monocarboxylic acids for direct temperature control of electric accumulators.

Non-Aqueous Electrolyte and Lithium Secondary Battery Including the Same

Nº publicación: US20260321723A1 15/10/2026

Solicitante:

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

Resumen de: US20260321723A1

0000 Provided are a non-aqueous electrolyte including: a lithium salt; an organic solvent; and an additive, wherein the additive includes a first additive including a compound represented by Formula 1 and a second additive including lithium difluorophosphate, And such non-aqueous electrolyte may form a stable film on the electrodes, and thus improve the storage characteristics and resistance characteristics at a high temperature of a lithium secondary battery including the non-aqueous electrolyte, 0000 wherein all the variables are described herein.