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SYSTEM AND METHOD FOR OPTIMIZING OPERATING STATE OF BATTERY USING A CLOUD

Resumen de: EP4712303A1

A system for optimizing an operating state of a battery by using a cloud includes: a cloud unit configured to receive battery data; a first data collection unit configured to collect first data; a first data transmitter configured to transmit the first data to the cloud unit; a second data receiver configured to receive second data from the cloud unit; and a controller configured to control an operating state of a battery based on the second data and to perform any one of an update of first deterioration state information and an adjustment of a learning speed.

BATTERY PACK AND DEVICE INCLUDING SAME

Resumen de: EP4712246A1

A battery pack according to certain embodiments of the present disclosure comprises: at least one battery assembly including a plurality of battery cells; and a pack housing that houses the at least one battery assembly, wherein a plurality of venting channels extending along one direction are formed inside a bottom frame of the pack housing, wherein a venting hole communicating with the venting channel is formed on a lower surface of the battery assembly, and wherein the venting channels each have independent venting flow paths that are not shared with each other.

ELECTROLYTE AND USE THEREOF

Resumen de: EP4712193A1

Provided in the present application are an electrolyte and the use thereof. The electrolyte comprises a first additive as shown in formula 1, vinylene carbonate and a boron-containing compound. Applying the electrolyte to a battery can not only reduce the content of PF₅ and HF in the electrolyte, but can also improve the electrochemical performance of the lithium-ion battery.

SECONDARY BATTERY AND CELL STACK COMPRISING SAME

Resumen de: EP4712225A1

The present disclosure is directed to providing a secondary battery with fewer limitations on shape and improved battery capacity, and for preventing problems caused by gas produced during charging and discharging. The secondary battery according to an embodiment of the present disclosure includes an electrode assembly including a plurality of electrodes and a separator stacked parallel to each other, a sheet-type outer packaging having an internal space for accommodating the electrode assembly, and an outer packaging opening configured to communicate the internal space with an outside, and a cap configured to cover the outer packaging opening of the sheet-type outer packaging, wherein a height of the cap in a stack direction of the electrodes and the separator is larger than a height of the electrode assembly.

CYLINDRICAL BATTERY, PACK AND ELECTRONIC DEVICE

Resumen de: EP4712222A1

The disclosure provides a cylindrical battery (100), a pack (1002), and an electronic device (1000). The cylindrical battery (100) includes a housing (200) having an opening (205) at one end in a height direction (Hd) of the cylindrical battery (100); an electrode assembly (120) located in the housing (200) and having a winding center hole (120c); a cover plate (220) covering the opening of the housing (200) and having an explosion-proof valve region (222) formed by being surrounded by explosion-proof valves (350). The winding center hole (120c) is located within a range of an orthogonal projection of the explosion-proof valve region (222) of the cover plate (220) in the height direction (Hd). The winding center hole (120c) has a diameter D1, a partial region of the cover plate (220) has a diameter D2, and 35%≥D1/D2≥10%.

METHOD OF MANUFACTURING NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: EP4712199A1

A method of manufacturing a non-aqueous electrolyte secondary battery includes the steps of obtaining a battery assembly, charging, and sealing. The battery assembly includes an electrode body, a non-aqueous electrolyte solution, and a battery case including a through hole. The step of charging involves charging the battery assembly. The step of sealing involves sealing the through hole with a sealing member after the charging step. In the step of charging, the charging is performed under a charging condition that causes a temperature of a gas inside the battery case increases. The step of sealing is performed while keeping the temperature inside the battery case having been increased. After the step of sealing, the temperature inside the battery case decreases, and the gas inside the battery case contracts, to thereby cause a contraction and/or an internal pressure decrease of the battery case.

APPARATUS AND METHOD FOR FORMING ELECTRODE PLATE TAB PATTERN

Resumen de: EP4712184A2

An apparatus (10) for forming an electrode plate tab pattern includes a conveying portion (100) configured to convey, in a first direction, an electrode plate (20) coated with an active material, a first pattern forming portion (200) configured to form a first tab pattern (211) on the electrode plate (20), and a second pattern forming portion (300) configured to form a second tab pattern (311) on the electrode plate (20). The first tab pattern (211) and the second tab pattern (311) are configured to be spaced apart from each other by a preset first distance.

CURRENT COLLECTOR AND BATTERY

Resumen de: EP4712182A1

A current collector (100A) includes a support portion (110), a first conductive layer (120), and a second conductive layer (130). The support portion (110) includes an electrically insulating resin composition. The support portion (110) includes a support layer (111) and an extension portion (112). The first conductive layer (120) is in contact with the support layer (111) on a first side in a thickness direction (DT) of the support layer (111). The second conductive layer (130) is in contact with the support layer (111) on a second side in the thickness direction (DT). The extension portion (112) extends from the support layer (111) in an orthogonal direction (DO) orthogonal to the thickness direction (DT).

BATTERY CELL HOLDER AND BATTERY PACK

Resumen de: EP4712233A1

A battery cell holder for accommodating a battery cell includes: an upper cover configured to extend around an upper portion of a battery cell while exposing a first electrode terminal of the battery cell; and a lower cover configured to extend around a lower portion of the battery cell while exposing a second electrode terminal of the battery cell, the lower cover and the upper cover being coupled to each other. A pair of parting sides of the upper cover and the lower cover that contact each other when the upper cover and the lower cover are coupled together extend diagonally.

SYSTEM AND METHOD FOR PREVENTING REUSE OF BMS

Resumen de: EP4712206A1

Disclosed are a system and method for preventing the reuse of a battery monitoring system (BMS) and a system and method for preventing an unauthenticated private company from reusing a BMS only when a cell is replaced in a battery pack. The system for preventing the reuse of a BMS includes a battery monitoring unit configured to monitor specifications of a battery, a cell replacement determination unit configured to determine whether a cell has been replaced in a battery pack based on results of the monitoring of the specifications of the battery, and a permanent failure mode entry unit configured to determine whether to enter a permanent failure mode for the battery pack based on the results of the determination of whether the cell has been replaced.

BATTERY PACK COMPRISING THERMAL RESIN

Resumen de: EP4712209A1

Provided is a battery pack including: a battery module comprising a module frame; a pack frame having a bottom plate where the battery module is placed; and a thermally conductive resin interposed between a bottom plate of the battery module and the bottom plate of the pack frame, wherein a hole-shaped or groove-shaped receptor is provided in the bottom plate of the module frame, and the thermally conductive resin comprises an extension extending in upward direction and filling the anchor.

BATTERY PACK

Resumen de: EP4712229A1

A battery pack (1) includes: a plurality of battery modules (20) each including a plurality of battery cells (2) arranged in a first direction; and a case (40) that accommodates the plurality of battery modules (20), wherein the case (40) includes a case main body (43) having a bottom portion (41) and a side wall portion (42) that surrounds a periphery of the bottom portion (41), a cover body (44) that covers an opening (43a) of the case main body (43), and a partition plate (45) that partitions a battery module (20) disposed on the bottom portion (41) side and a battery module (20) disposed on the cover body (44) side, and by fixing the partition plate (45) to the side wall portion (42), one battery module (20) is disposed between the partition plate (45) and the bottom portion (41), and another battery module (20) is disposed between the partition plate (45) and the cover body (44).

REFRIGERANT FOR THERMAL MANAGEMENT OF VEHICLE BATTERY, AND METHOD AND APPARATUS FOR THERMAL MANAGEMENT THEREOF BASED ON THE REFRIGERANT

Resumen de: EP4711433A1

Disclosed are a use of a refrigerant, a method, and an apparatus for thermal management of a vehicle battery. The refrigerant comprises at least one of a natural refrigerant; a hydrofluorocarbon (HFC)-based refrigerant; a hydrofluoroolefin (HFO)-based refrigerant; a hydrochlorofluorocarbon (HCFC)-based refrigerant; a hydrocarbon-based refrigerant that is not a natural refrigerant; and a halon or a perfluorocarbon (PFC)-based refrigerant, and can be used for thermal management of the vehicle battery by controlling a temperature of said vehicle battery.

ELECTRODE DRYING DEVICE

Resumen de: EP4711695A1

The present disclosure relates to an electrode drying device including a housing, an electrode transport device configured to transport an electrode through the housing unit in a first direction. An air supply is provided with the housing unit to supply air into the housing unit. A light is disposed between the electrode and the air supply device.

SECONDARY BATTERY PRESSING METHOD AND PRESSING DEVICE SUPPORTING SAME

Resumen de: EP4711124A1

A pressing apparatus according to embodiments of the present disclosure may include a driver, a cylinder configured to move in response to driving of the driver, and a regulator configured to control an internal pressure of the cylinder, wherein the cylinder moves upwardly by a first distance in response to driving of the driver, and a portion of the cylinder is configured to move upwardly by a second distance in response to the internal pressure of the cylinder controlled by the regulator to provide a pressing force to at least a portion of a secondary battery.

APPARATUS, SYSTEM AND METHOD FOR TRANSFERRING ELECTRODE ASSEMBLY

Resumen de: EP4712183A1

An apparatus for transferring an electrode assembly includes a base, a support extending from the base, a gripper connected to the support, a driver configured to drive the gripper so that the gripper grips the electrode assembly, a transferer connected to the base and configured to move along a rail, and a controller configured to control the driver so that the gripper grips a side surface of the electrode assembly in a direction perpendicular to a long axis of the electrode assembly and to control the transferer so that the electrode assembly moves along the rail.

ENERGY STORAGE SYSTEM

Resumen de: EP4712228A1

An energy storage system (ESS) includes a container to accommodate a plurality of battery modules, and an explosion-proof panel (200) arranged on one surface of the container (100) to seal the container. The explosion-proof panel (200) includes a gas tank (300) to release inert gas into the container when a pressure inside the container is lower than a pressure outside the container.

APPARATUS FOR MANUFACTURING SECONDARY BATTERY AND METHOD FOR MANUFACTURING SECONDARY BATTERY

Resumen de: EP4712187A1

Disclosed herein relates to a secondary battery manufacturing apparatus including: a folding device configured to manufacture an electrode assembly, the electrode assembly comprising a plurality of unit cells stacked in a first direction and a separator sheet wound to cover an upper surface, a bottom surface, a first side, and a second side of each of the plurality of unit cells; a cutting device configured to cut a first side part of the separator sheet to form a first cutting region extending in a second direction on the separator sheet; and a taping device configured to attach a tape connecting two portions of the separator sheet separated by the first cutting region to the separator sheet.

CARBON-COATED FAST-IONIC CONDUCTOR-MODIFIED POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR

Resumen de: EP4712161A1

The present disclosure provides a carbon-coated fast-ionic conductor-modified positive electrode material and a preparation method therefor. The positive electrode material has a chemical general formula of LiaNixCoyMnzO2·cA·dB, where 1.00 ≤ a ≤ 1.20, 0.00 < c ≤ 0.01, 0.00 < d ≤ 0.02, 0.00 ≤ x < 1.00, 0.00 ≤ y < 0.2, 0.00 ≤ z < 0.4, and x + y + z = 1; A is a first coating material, and B is a second coating material; and the first coating material A is a carbon-coated fast-ionic conductor, and the second coating material B is a carbon escape-prevention compound. According to the present disclosure, a fast-ionic conductor modified through carbon coating is used to modify a positive electrode material, such that the ionic conductivity and the electronic conductivity of the positive electrode material are synchronously improved. In addition, the surface of the carbon-coated fast-ionic conductor is coated with boric acid due to the glassy property, such that the escape of carbon in the carbon-coated fast-ionic conductor is effectively prevented. Therefore, the present disclosure synchronously improves the ionic conductivity and the electronic conductivity of the positive electrode material, and also improves the safety of the battery.

COMPOSITE SUBSTRATE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Resumen de: EP4712173A1

Provided is a composite substrate for a rechargeable lithium battery that includes a support layer including a polymer film, and a metal layer disposed on the support layer and including at least any one of copper, copper oxide, or a combination thereof, wherein the metal layer includes a first metal layer disposed on a surface of the support layer and including an adhesion enhancer and a first copper, and a second metal layer disposed on the first metal layer and including a second copper, and the adhesion enhancer includes a first moiety chemically bonded to the surface of the support layer and including a hydroxyalkylene group, and a second moiety including an amine group configured to adsorb the first copper.

SECONDARY BATTERY AND ELECTRICAL APPARATUS

Resumen de: EP4712197A1

A secondary battery includes an electrode assembly (100). The electrode assembly (100) is of a wound structure and includes a positive electrode plate (40), a negative electrode plate (30), a first separator (10), and a second separator (20). The negative electrode plate (30) is provided between the first separator (10) and the second separator (20). The first separator (10) includes an aqueous bonding layer (12), and the second separator (20) includes an oily bonding layer (22). The aqueous bonding layer (12) includes a first binder, and the oily bonding layer (22) includes a second binder.

BATTERY PACK

Resumen de: EP4712239A2

Disclosed is a battery pack, including: multiple cells (210); a casing (100), wherein the inner bottom surface (10) of the casing (100) has a stepped surface for dividing the inner bottom surface (10) of the casing (100) into at least two placement areas (11) having a height difference in the height direction of the casing (100), and the cells (210) are placed in each of the placement areas (11). With stepped surfaces disposed on the inner bottom surface (10) of the casing (100), the battery pack may form at least two placement areas (11) with height differences within the casing (100), making it possible to provide a force to the adhesive located in the placement area with a higher height, helping the adhesive flow toward the placement area with lower height.

BATTERY ASSEMBLY AND BATTERY PACK COMPRISING SAME

Resumen de: EP4712235A1

Disclosed herein relates to a battery pack including: a pack housing including a first support structure; and a battery assembly accommodated within the pack housing, wherein the battery assembly includes: a cell block comprising a plurality of battery cells stacked in a first direction; a frame including a first side cover and a second side cover spaced apart in the first direction with the cell block interposed therebetween; and a top cover including a central part coupled to the frame to cover the cell block and a first outer part protruding outwardly from the first side cover, wherein the first outer part is fastened to the first support structure, wherein a first buffer space extending in the first direction is provided between the first outer part of the top cover and the first side cover.

ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: EP4712169A1

An electrolyte for a lithium secondary battery according to exemplary embodiments includes an additive including a compound having a specific structure, an organic solvent and a lithium salt. Accordingly, a lithium secondary battery including the electrolyte for a lithium secondary battery exhibits improved low-temperature properties and high-temperature stability.

ELECTRODE SUBSTRATE FOR RECHARGEABLE LITHIUM BATTERIES, ELECTRODE AND RECHARGEABLE LITHIUM BATTERIES CONTAINING THE SAME, AND METHOD FOR MANUFACTURING THE ELECTRODE

Nº publicación: EP4712153A1 18/03/2026

Solicitante:

SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD

Resumen de: EP4712153A1

Examples of the disclosure include an electrode substrate for a rechargeable lithium battery, an electrode and a rechargeable lithium battery including the electrode substrate, and a method for manufacturing the electrode. The electrode substrate for a rechargeable lithium battery includes a first metal layer including a first metal; an insulating layer on the first metal layer and including a polymer; and a second metal layer on the insulating layer and including a second metal. The insulating layer has an interconnected pore structure and is divided into a first region and a second region, and the first region further includes a third metal that substantially fills the interconnected pore structure within the insulating layer.