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Battery Case, Battery Assembly, and Battery Pack

Resumen de: US20260094954A1

A battery case according to embodiments of the present disclosure includes a case body including a receiving space in which a battery cell is arranged, and a connector formed on one surface of the case body and electrically connecting the battery cell arranged therein to an external device, wherein the connector is configured to be electrically disconnected from the battery cell when the internal pressure of the case body increases.

COMBINED MODULE COMPRISING AN ULTRASONIC ELECTRODE CORE CASCADE AND A SEPARATOR

Resumen de: US20260094957A1

A combined module, including a corrugated separator body, first ultrasonic electrode cores, and second ultrasonic electrode cores; the first ultrasonic electrode cores are arranged alongside one of two sides of the corrugated separator body and spaced apart from one another; the second ultrasonic electrode cores are arranged alongside another one of two sides of the corrugated separator body and spaced apart from one another; top and bottom of the corrugated separator body are provided with two fixing plates respectively; the fixing plates are connected to the corrugated separator body, the first ultrasonic electrode cores, and the second ultrasonic electrode cores to form a packaged ultrasonic battery core module; one ends of the first ultrasonic electrode cores are connected through conductive wires to form a first wiring terminal, and one ends of the second ultrasonic electrode cores are connected through conductive wires to form a second wiring terminal.

METAL OXIDE PRECURSOR PARTICLE, METHOD FOR PREPARING THE SAME AND METHOD FOR PREPARING CATHODE ACTIVE MATERIAL

Resumen de: US20260091985A1

A metal oxide precursor particle according to the present disclosure has a hollow structure, includes nickel, cobalt and manganese, and has a median particle diameter of 20 to 40 μm. According to a method for preparing metal oxide precursor particles according to the present disclosure, a mixed solution containing water and a metal source including a nickel source, a cobalt source and a manganese source is prepared. The mixed solution is sprayed into a quartz tube. The quartz tube includes a particle formation region therein, and the temperature of the particle formation region is set to 750 to 1100° C. According to a method for preparing a cathode active material of the present disclosure, the metal oxide precursor particles are pulverized to prepare small-sized metal oxide precursor particles. A mixture including the small-sized metal oxide precursor particles and a lithium source is calcined to prepare lithium metal oxide particles.

PUNCH AND DIE APPARATUS FOR MANUFACTURING SECONDARY BATTERY AND ELECTRODE PLATE KNOCKOUT DEVICE

Resumen de: US20260091528A1

The present disclosure relates to a punch and die apparatus for manufacturing a secondary battery and an electrode plate knockout device. The punch and die apparatus includes a lower die that supports an electrode plate and has one or more scrap discharge holes, an upper die positioned above the lower die and including a punch corresponding to each of the scrap discharge holes, and a knockout device including a guide body partially protruding toward the scrap discharge hole and configured to provide a support force upon being fixed to the lower die, a knockout block supported by the guide body to vertically move and supports the electrode plate via a reaction force corresponding to a downward pressure of the punch to a bottom surface of the electrode plate when the punch punches the electrode plate, and an elastic force providing part elastically supporting the knockout block.

ONE-WAY AIRCRAFT CHARGING COMMUNICATION PROTOCOL

Resumen de: US20260091875A1

Examples relate to a method for managing aircraft charging through a one-way communication channel. This method involves battery ground support equipment (BGSE) receiving operational data transmitted from an aircraft via a one-way communication channel. The operational data may include limit data specifying temperature, charge, and current limits. The BGSE interprets the received operational data to autonomously determine charging parameters for the aircraft and charges the aircraft based on these parameters without sending data back to the aircraft.

Stability of a Load Handling Device in a Storage System

Resumen de: US20260091935A1

A load handling device for lifting and moving one or more containers stacked in a storage system with a grid framework structure supporting a plurality of tracks arranged in a grid pattern. The load handling device includes a driving mechanism, and a vehicle body having a footprint that occupies a single grid cell in the storage system. The vehicle body housing includes a rechargeable power source, a first space configured for accommodating a container and the rechargeable power source is housed in a second space, and a lifting device to releasably grip a container and lift the container from the stack into the first space, wherein the rechargeable power source is arranged above the first space such that the centre of mass of the load handling device is in the second space.

ENERGY STORAGE CELL

Resumen de: US20260094952A1

An energy storage cell includes a case, an electrode terminal, and a power generation element. The case houses the power generation element. The electrode terminal includes a cathode terminal and an anode terminal. The electrode terminal includes a member contact portion that is in contact with a different member. Either or both of the cathode terminal and the anode terminal have a recess in the member contact portion.

ELECTROLYTE COATING, SOLID-STATE BATTERY AND ELECTRICAL DEVICE

Resumen de: EP4718558A1

Disclosed are an electrolyte coating, a solid-state battery and an electrical device. The electrolyte coating is coated on the surface of a solid-state electrolyte. The solid-state electrolyte includes one or both of a sulfide electrolyte and a halide electrolyte, wherein the electrolyte coating is a copolymer of tridecafluorooctyl methacrylate and n-butyl methacrylate. By coating the electrolyte coating on the surface of the sulfide electrolyte and the halide electrolyte, the present disclosure significantly increases the stability thereof in the air (even with high humidity) on the premise of not substantially affecting the conductivity thereof.

POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR

Resumen de: EP4718539A1

A positive electrode active material and a preparation method thereof. The positive electrode active material includes a secondary particle composed of primary particles; and the primary particle includes Li1+aFe1-x-yMnxAy(PO4), where -0.1≤a≤0.4, 0.5≤x≤0.7, 0≤y≤0.01, A includes at least one of Al, Mg, Ni, Co, Ti, Ga, Cu, V, Nb, Zr, Ce, In, Zn, or Y, and the positive electrode active material has a crystallinity of not less than 98%. The positive electrode active material has high crystallinity, and the ionic conductivity and electronic conductivity thereof are high. Applying the positive electrode active material to a lithium-ion battery can significantly improve the rate performance of the battery.

BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUS

Resumen de: EP4718622A2

Provided in the embodiments of the present application are a battery cell, a battery, and an electric device. The battery cell comprises a housing, an electrode assembly, a first electrode terminal and a cover plate. The housing comprises a cylindrical body and a cover body, which are integrally formed, and one end of the cylindrical body away from the cover body is provided with an opening. The electrode assembly is accommodated inside the housing and comprises a first tab. The first electrode terminal is arranged on the cover body and is used for being electrically connected to the first tab. The cover plate is connected to the cylindrical body and covers the opening. By means of mounting the first electrode terminal on the cover body, the space between the position, where the cylindrical body and the cover plate are connected to each other, and the first electrode terminal can be increased, such that effect on the position, where the cylindrical body and the cover plate are connected to each other, is reduced when the battery cell is subjected to an external impact, the risk of connection failure between the cover plate and the housing is reduced, and electrolyte leakage is reduced, thereby improving the safety.

METHOD AND SYSTEM FOR PHYSICAL MEASUREMENT AT THE CORE OF AN ELECTROCHEMICAL ACCUMULATOR

Resumen de: EP4718096A1

La présente invention concerne un système (10) de mesure physique au coeur d'un accumulateur (12) présentant deux bornes de puissance distinctes (16,18), comprenant :- un capteur résistif (20) à l'intérieur dudit accumulateur;- un ensemble (22) d'éléments électriques externes audit accumulateur de sorte à former, avec ledit au moins un capteur résistif, un circuit résonant propre à résonner à une fréquence fixe prédéterminée ;- un module de mesure (26), externe audit accumulateur, configuré pour:- exciter ledit circuit électrique résonant en pilotant une tension d'alimentation sur au moins une plage de fréquence centrée sur ladite fréquence fixe prédéterminée;- mesurer au moins une information représentative de la forme du pic de résonance résultant ;- obtenir une valeur d'une grandeur physique interne dudit accumulateur à partir de ladite au moins une information représentative mesurée.

POSITIVE ELECTRODE AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Resumen de: EP4718530A1

Disclosed are positive electrodes and rechargeable lithium batteries. The positive electrode includes a current collector, a first active material layer on the current collector, and a second active material layer on the first active material layer. The first active material layer includes a first particle including a layered positive electrode active material, a second particle including an olivine-based active material, a first conductive material; and a first binder. The second active material layer includes the second particle, a second conductive material, and a second binder. An amount of the first particle in the first active material layer is equal to or greater than about 70% and equal to or less than about 90%.

PROTECTION CIRCUIT MODULE, METHOD OF MANUFACTURING SAME AND SECONDARY BATTERY INCLUDING SAME

Resumen de: EP4718954A1

A protection circuit module includes a substrate electrically connected to a battery cell, components in implementation regions on the substrate, a first insulating layer in regions other than the implementation regions on the substrate, a second insulating layer on the first insulating layer and separated from the components, and a coating layer on the first insulating layer and surrounding the components.

CURRENT COLLECTOR AND BATTERY

Resumen de: EP4718620A1

A current collector (100A) includes a support portion (110) and a conductive portion (120). The support portion (110) includes an electrically insulating resin composition. The conductive portion (120) includes a first conductive layer (121), a second conductive layer (122), and a third conductive layer (123). The first conductive layer (121) and the second conductive layer (122) extend from the support portion (110). The third conductive layer (123) is disposed between the first conductive layer (121) and the second conductive layer (122), is joined to both the first conductive layer (121) and the second conductive layer (122), and extends from between the first conductive layer (121) and the second conductive layer (122).

BATTERY PACK AND VEHICLE COMPRISING SAME

Resumen de: EP4718589A1

Disclosed is a battery pack, which includes a plurality of battery cells; a pack case configured to accommodate the plurality of battery cells; and a side frame configured to support the plurality of battery cells within the pack case, the side frame having a heat propagation prevention unit for preventing heat propagation toward adjacent battery cells when a thermal event occurs in at least one battery cell among the plurality of battery cells.

BATTERY PACK WITH IMPROVED SAFETY

Resumen de: EP4718574A2

A battery pack according to one embodiment of the present disclosure includes a cell module assembly including a battery cell stack in which a plurality of battery cells are stacked and each battery cell is erected in a vertical direction; a plate-shaped blocking members disposed between adjacent battery cells and erected in a vertical direction; a pack case configured so as to house the cell module assembly and opened at its upper surface; and a fire-fighting tank located above the cell module assembly and covering an upper surface of the pack case, wherein the blocking member includes a plurality of openings at its upper end, and an inside of the blocking member includes an empty space connected to the plurality of openings.

ELECTRODE TAB ASSEMBLY AND SECONDARY BATTERY INCLUDING THE SAME

Resumen de: EP4718621A2

An electrode tab assembly of the present invention includes: an electrode tab; and a reinforcing member provided on a side portion of the electrode tab in a width direction to reinforce strength of the side portion of the electrode tab, thereby preventing the electrode tab from being deformed.

FLUID AND POWER PROVISION APPARATUS

Resumen de: EP4717919A1

A fluid and power provision apparatus (10) is provided. The apparatus (10) includes a power provision device (90) and a pump assembly (100). The pump assembly (100) includes a motor (150), a transmission system (200), a piston assembly (300), and a collar assembly (320). The piston assembly (300) includes a piston sleeve (310), a piston (302), and a piston arm (304) operably coupled to the piston (302) and the transmission system (200) to transmit energy from the motor (150) to articulate the piston (302) within the piston sleeve (310). The collar assembly (320) forms a collar plenum (314), a first flowpath (324), and a second flowpath (326). The piston sleeve (310) extends at least in part into the collar plenum (314). The first flowpath (324) extends in fluid communication from the collar plenum (314) to a fluid supply outlet. The second flowpath (326) extends in fluid communication from an interior (22) of the apparatus (10) to the first flowpath (324).

POSITIVE ELECTRODE AND PREPARATION METHOD THEREOF AND BATTERY

Resumen de: EP4718505A1

Disclosed are a positive electrode and a preparation method thereof and a battery. The positive electrode includes a current collector, an active material layer, and a conductive layer disposed between the current collector and the active material layer. The conductive layer includes an MXene material. Adding the MXene material in the conductive layer may elevate the conductive performance and stability of the battery, and may also strengthen the adhesion between the current collector and the active material layer, enhance the peel force of the positive electrode, and improve the long-term cycle stability of the battery. In addition, since the addition of the MXene material enhances the adhesion between the current collector and the active material layer, under the condition that the peel strength of the electrode sheet is ensured, the content of binder in the active material layer may be reduced.

METHOD FOR CONFIGURING AND/OR UPDATING AN ACCUMULATOR

Resumen de: EP4718674A1

Die vorliegende Erfindung betrifft ein Verfahren zum Konfigurieren und/oder Aktualisieren eines Akkumulators (2), vorzugsweise eines Arbeitsgeräteakkumulators, insbesondere eines IoT-Akkumulators und/oder eines IoT-Arbeitsgeräteakkumulators, bei dem zumindest eine Steuereinheit (3, 31) den Akkumulator (2) und/oder ein mit dem Akkumulator (2) gekoppeltes Endgerät (4) steuert und/oder überwacht.

SYSTEM COMPRISING AT LEAST ONE ACCUMULATOR AND A TERMINAL, METHOD FOR OPERATING A TERMINAL WITH AN ACCUMULATOR, ACCUMULATOR AND USE OF AN ACCUMULATOR

Resumen de: EP4718676A1

Die vorliegende Erfindung betrifft ein System (1) mit zumindest einem Akkumulator (2), insbesondere einem loT-Akkumulator. Der Akkumulator (2) umfasst zumindest eine Steuereinheit (4) und eine Akkudatenschnittstelle (5). Das System (1) umfasst ferner ein Endgerät (6) mit zumindest einer Endgerätesteuereinheit (7) und einer Endgerätedatenschnittstelle (8). Der Akkumulator (2) und das Endgerät (6) sind zur Energieübertragung verbunden. Außerdem sind die Akkudatenschnittstelle (5) und die Endgerätedatenschnittstelle (8) zur insbesondere bidirektionalen Übertragung von Steuerungsdaten verbunden.

SECONDARY BATTERY, BATTERY PACK AND ELECTRONIC DEVICE

Resumen de: EP4718551A1

A secondary battery (100), a battery pack (200), and an electronic device (300) are provided. The secondary battery (100) includes a casing (110), an electrode assembly (120), a current-collecting member (130), and a sealing plate (160). The casing (110) includes a side wall (111) and a cover plate assembly (140). The side wall (111) includes an opening (112) sealed by the cover plate assembly (140). The electrode assembly (120) mounted in the casing (110) has a winding cell through hole (121). The current-collecting member (130) is electrically connected to the electrode assembly (120) and the casing (110). The sealing plate (160) is arranged on a side of the cover plate assembly (140) away from the electrode assembly (120). The cover plate assembly (140) is provided with a liquid injection hole (170). The sealing plate (160) seals the liquid injection hole (170).

ENERGY STORAGE SYSTEM

Resumen de: EP4717326A1

Provided is an energy storage system including a plurality of battery modules, a cooler configured to supply a cooling fluid to the plurality of battery modules, and a fire-extinguishing tank accommodating a fire-extinguishing agent capable of being supplied to the plurality of battery modules, wherein the plurality of battery modules each include a plurality of cell units which each include a plurality of battery cells arranged in a first direction and which are arranged in a second direction different from the first direction, a cooling plate having a flow path arranged to correspond to an arrangement of the plurality of battery cells, and a fire-extinguishing tube connected to the flow path of the cooling plate and arranged between the plurality of cell units.

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

Resumen de: EP4718537A1

Provided are a cathode active material and a preparation method thereof, a positive electrode plate, a battery, and an electrical device. The present disclosure relates to the technical field of batteries. A change Δn in a content of Fe<2+> in the cathode active material satisfies Δn≥0.1 and Δn=n1-n2; n1 is a content of Fe<2+> in the cathode active material prior to charging, and n2 is a content of Fe<2+> in the cathode active material when charging to 4.0 V; and the content of Fe<2+> = amount of Fe<2+>substance in the cathode active material/(the amount of Fe<2+>substance in the cathode active material + amount of Fe<3+>substance in the cathode active material). Therefore, by using the cathode active material, a battery loaded with the cathode active material can have excellent energy density.

ELECTROLYTE ADDITIVE, ELECTROLYTE AND BATTERY

Nº publicación: EP4718566A1 01/04/2026

Solicitante:

GUANGZHOU TINCI MATERIALS TECH CO LTD [CN]
Guangzhou Tinci Materials Technology Co., Ltd

Resumen de: EP4718566A1

Provided are an electrolyte additive, an electrolyte, and a battery. The electrolyte additive includes a first additive and a second additive. The first additive includes a compound containing element silicon and an unsaturated hydrocarbyl group; and the second additive includes a compound represented by Formula 1.where: X₁, X₂, X₃, and X₄ are each independently selected from N or CH; R is selected from 5- to 6-membered aryl, 5- to 6-membered aryl substituted with R₀, 5- to 6-membered heteroaryl, 5- to 6-membered heteroaryl substituted with R₀, C_1-8 alkyl, C_1-8 alkyl substituted with R₀, C_2-8 alkenyl, C_2-8 alkenyl substituted with R₀, C_0-8 alkylsilyl, or C_0-8 alkylsilyl substituted with R₀; and R₀ is selected from C_1-6 alkyl, C_1-6 alkoxy, or halogen.