Alerta

BATTERY HOLDER AND BATTERY FOR TRANSPORT VEHICLE

Resumen de: EP4772372A1

0001 The invention concerns a battery holder (1) for a transport vehicle, the battery holder (1) comprising the successive stacking in this order of: a floor (5), at least two frames (3) and a lid (2); the floor (5), the at least two frames (3) and the lid (2) delimiting between them a housing (4) intended to receive battery modules (7) ; each frame (3) of the at least two frames (3) being fixedly attached to each adjacent frame (3) by a structural adhesive (9), said structural adhesive (9) being interposed between two adjacent frames (3) and configured to ensure mechanical fastening between said frames (3). 0002 The invention also concerns a battery (100) comprising such a battery holder (1).

ELECTRONIC DEVICE AND METHOD WITH BYPASS OF ABNORMAL BATTERY

Resumen de: EP4773467A1

An electronic device (100) includes a plurality of batteries (310, 311, 312), a plurality of first switches (330, 331, 332), each of the first switches (330, 331, 332) connected in series with a respective one of the batteries (310, 311, 312), balancing circuits (320, 321, 322), each of the balancing circuits (320, 321, 322) associated with the respective one of the batteries (310, 311, 312), and one or more processors (340) configured to control the first switches (330, 331, 332) and the balancing circuits (320, 321, 322). Each of the balancing circuits (320, 321, 322) includes a second switch and a transformer corresponding to the second switch, and the transformer includes a first coil and a second coil. The transformer is configured to operate in a first state in which a current is induced from the first coil to the second coil or a second state in which the first coil is short circuited, based on a signal transmitted to the second switch.

POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND LITHIUM RECHARGEABLE BATTERY INCLUDING SAME

Resumen de: EP4773198A1

0001 Disclosed are a positive electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the positive electrode. The positive electrode for a rechargeable lithium battery includes a substrate and a positive electrode active material layer on the substrate. The positive electrode active material layer includes MXene and a positive electrode active material. An amount of the MXene increases from an upper portion to a lower portion of the positive electrode active material layer.

SECONDARY BATTERY AND METHOD OF MANUFACTURING SECONDARY BATTERY

Resumen de: EP4773366A1

0001 The present disclosure relates to a secondary battery and a method of manufacturing the secondary battery. The secondary battery includes a case having an opening formed therein and an electrode assembly accommodated in the case. The electrode assembly includes a first electrode, a separator, and a second electrode, with the first electrode being electrically connected to the case. A cap assembly seals an opening formed in the case and is electrically connected to the second electrode. A gasket is interposed between the case and the cap assembly. The cap assembly includes a protrusion extending upward along a perimeter of the cap assembly, and the case includes a crimping portion that surrounds the protrusion and fixes the cap assembly to the case.

METHOD FOR DETECTING FIRE IN BATTERIES USING CLOUD SERVICES

Resumen de: EP4773335A1

0001 Disclosed herein is a method for detecting fire in ESSs using cloud services. The method for detecting fire in ESSs includes receiving battery status data from battery management systems via a server, and analyzing the received battery status data to determine whether a fire occurs. It is possible to detect whether a fire has occurred in an ESS without installing a separate fire sensor in the ESS.

IMMERSION COOLING MODULE, COOLING METHOD, AND USE OF SAID IMMERSION COOLING MODULE

Resumen de: EP4773343A2

Proposed is an immersion cooling module including a housing (10) in which an inlet (11) for cooling fluid to flow in and an outlet (12) for cooling fluid to flow out are formed, and in which the cooling fluid is accommodated at a predetermined level so as to form an upper space, a cooling chamber (20) coupled to a lower end of the housing (10), and configured to have a chamber inlet (21) through which the cooling fluid flows in and a chamber outlet (22) through which the cooling fluid is discharged, battery cells spaced apart from each other and immersed in the cooling fluid, and cooling fluid passage parts respectively formed in cooling spaces divided by the battery cells, wherein heat transfer members are arranged at predetermined intervals in a direction perpendicular to a flow direction of the cooling fluid.

ALL-SOLID-STATE BATTERY AND METHOD FOR MANUFACTURING THE SAME

Resumen de: EP4773273A1

0001 An all-solid-state battery according to an embodiment of the present disclosure includes a positive electrode current collector; a positive electrode active material layer on the positive electrode current collector; a solid electrolyte layer surrounding the positive electrode active material layer, the solid electrolyte layer covering a first top surface and first side surfaces of the positive electrode active material layer; a negative electrode active material layer partially surrounding the solid electrolyte layer, the negative electrode active material layer covering a second top part and second side parts of the solid electrolyte layer, wherein the solid electrolyte layer exposes at least one first exposed surface of the second side parts to the outside; and a negative electrode current collector on the negative electrode active material layer.

COMPOSITE ELECTROLYTE MEMBRANE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: EP4773307A1

Provided are a composite electrolyte membrane and a lithium secondary battery including the same. According to an aspect of the present disclosure, a composite electrolyte membrane including: a fluorine-based porous support; and a gel polymer electrolyte including a fluorine-based compound is provided.

SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME

Resumen de: EP4773360A1

0001 Provided are a secondary battery and a method of manufacturing the same. According to one aspect of the present disclosure, a secondary battery may be provided, which includes an electrode assembly provided with an electrode tab, a can that accommodates the electrode assembly and has a coupling hole provided in an outer part of one surface facing the electrode tab, and a terminal inserted into the coupling hole and electrically connected to the electrode tab.

ELECTRODE ASSEMBLY

Resumen de: EP4773425A1

Proposed is an electrode assembly including a positive electrode plate, a separator, and a negative electrode plate sequentially stacked, wherein the positive electrode plate may include a first side region provided with a positive electrode external-connection non-coated part for electrical connection to an external terminal or lead, a non-coated part in a predetermined portion of a second side region, opposite to the first side region, where an active material layer is not formed, a coated part between the first and second side regions, where an active material layer is formed except for the non-coated part, and a positive electrode insulation coating part formed in the first side region of the positive electrode plate, extending from a boundary between the non-coated part and the coated part toward an end of the first side region of the positive electrode plate.

SAFETY COVER FOR MONITORING ELECTROCHEMICAL BATTERIES, COMPRISING A CARBON OXIDE SENSOR

Resumen de: EP4773338A1

0001 Couverture de sécurité pour la surveillance de batteries électrochimiques, comportant : - une membrane souple (3), adaptée à entourer au moins partiellement au moins une batterie électrochimique (2) à surveiller en définissant une atmosphère confinée (8), cette membrane souple (3) présentant une face interne (5) destinée à être tournée vers la batterie électrochimique (2), et une face externe (6) destinée à être tournée vers l'extérieur ; - au moins un capteur d'oxyde de carbone (7) disposé sur la face interne (5) de la membrane souple (3) ; - un module de contrôle (9) raccordé au capteur d'oxyde de carbone (7) et adapté à détecter un évènement d'augmentation du taux d'un gaz oxyde de carbone dans l'atmosphère confinée (8) à une vitesse supérieure à un seuil prédéterminé ; - une interface d'alerte (10) adaptée à émettre un signal représentatif d'une alerte lorsque le module de contrôle (9) détecte ledit évènement.

COMPOSITE POSITIVE ELECTRODE ACTIVE MATERIAL INCLUDING A SURFACE-MODIFIED GRAPHENE COATING LAYER AND POSITIVE ELECTRODE INCLUDING THE SAME

Resumen de: EP4773207A1

A composite positive electrode active material having excellent or suitable adhesiveness and electronic conductivity (e.g., electrical conductivity) and a positive electrode including the composite positive electrode active material are disclosed. The composite positive electrode active material may include an active material core and a graphene coating layer coated on the active material core. The graphene coating layer may partially coat the surface of the active material core. The graphene coating layer may include graphene having a surface modified with an adhesive material.

POSITIVE ELECTRODE SHEET, METHODS FOR DESIGNING AND EVALUATING PERFORMANCE OF THE SAME, ELECTRODE ASSEMBLY, AND SECONDARY BATTERY

Resumen de: EP4773243A1

0001 A positive electrode sheet, methods for designing and evaluating performance of the same, an electrode assembly, and a secondary battery belonging to the technical field of power batteries are provided. The positive electrode sheet includes a positive current collector and a positive active material layer on at least one side of the positive current collector. The positive active material layer satisfies the following relational expression: 0.97(FD+D2 *LT*µ<1/2>/20)≤PD≤FD+D2 *LT*µ<1/2>/20. A new feasible solution for designing a positive electrode sheet is provided. The rationality of positive electrode sheet design and material utilization are improved, a reliable supporting solution for material selection is provided, resources required for electrode sheet verification is saved, and development efficiency is enhanced. The solution is suitable for application in actual processing and design of a secondary battery.

CATHODE ACTIVE MATERIAL FOR SECONDARY BATTERY, CATHODE FOR SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: EP4772477A1

0001 A cathode active material for a secondary battery according to one embodiment of the present disclosure includes a lithium metal oxide and has a C-axis lattice retention ratio (R) of 95% to 97%, as defined by Equation 1 below. R CL = C min / C max × 100 in Equation 1, R denotes the C-axis lattice retention ratio, and C and C respectively denote the minimum and maximum values of the C-axis lattice constant of the cathode active material, as observed by X-ray diffraction (XRD) analysis while the charge voltage is increased to a terminal voltage.

POROUS SEPARATOR FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF MANUFACTURING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Resumen de: EP4773392A1

0001 Disclosed are a porous separator for a rechargeable lithium battery, a method of manufacturing the porous separator, and a rechargeable lithium battery including the porous separator. The porous separator for a rechargeable lithium battery includes a boron nitride nanosheet (BNNS), a boron nitride nanotube (BNNT), and a polymer that is or includes polyimide (PI), aramid, or a combination thereof.

SAFETY COVER FOR MONITORING ELECTROCHEMICAL BATTERIES, COMPRISING TEMPERATURE SENSORS

Resumen de: EP4773337A1

0001 Couverture de sécurité pour la surveillance de batteries électrochimiques, comportant : - une membrane souple (3), adaptée à entourer au moins partiellement au moins une batterie électrochimique (2) à surveiller en définissant une atmosphère confinée (8), cette membrane souple (3) présentant une face interne (5) destinée à être tournée vers la batterie électrochimique (2), et une face externe (6) destinée à être tournée vers l'extérieur ; - au moins un capteur de température (4) disposé sur la face interne de la membrane souple (3) ; - un module de contrôle (9) raccordé au capteur de température (4) et adapté à détecter un évènement d'augmentation de température de l'atmosphère confinée (8) à une vitesse supérieure à un seuil prédéterminé ; - une interface d'alerte (10) adaptée à émettre un signal représentatif d'une alerte lorsque le module de contrôle (9) détecte ledit évènement.

DEVICE AND METHOD FOR DETECTING BATTERY CONDITION

Resumen de: EP4773244A1

A device for detecting a battery condition may include a storage device storing a battery model that models a voltage change and an internal impedance of a battery as an electrical circuit, a measuring device configured to measure a current value of the battery, and a control device configured to estimate a distribution status of lithium ions within a positive electrode active material of the battery, detect a distortion zone remaining in a boundary portion of two identicalphase regions within the positive electrode active material based on the distribution status, estimate an overvoltage caused by the distortion zone, correct the battery model by using a correction parameter corresponding to the overvoltage, and determine a first state-of-charge (SOC) of the battery by using the battery model and an SOC estimated by integrating the current value.

HEMMED TABLESS ELECTRODE FOR ENERGY STORAGE DEVICES AND METHOD OF PREPARING A HEMMED ELECTRODE

Resumen de: EP4773257A1

0001 Generally described, one or more aspects of the present disclosure relate to methods, systems, and devices related to forming a wound electrode assembly including a hemmed electrode and a separator, the hemmed electrode including an electrode film and a foil. The foil can include a core edge, a can edge, and a hemmed edge disposed between the core and can edges and extending from the core edge to the can edge. The electrode film can be disposed over the foil and the hemmed edge can extend beyond a top edge of the electrode film. The hemmed electrode can be wound to form a wound hemmed electrode assembly.

ELECTRODE AND SECONDARY BATTERY

Resumen de: EP4773274A1

0001 An electrode (400) includes an electrode plate (200) including a substrate (210) and an active material layer (220) located on a portion of the substrate (210). A protective layer (300) including two or more regions having different thicknesses is provided on the electrode plate (200).

Cell

Resumen de: GB2703003A

A hollow cell 100 comprising housing 300 enclosing an electrode assembly 200 that is arranged around the conduit 310 extending entirely therethrough. The electrode assembly may surround the conduit perimeter and be electrically connected to first (110,Fig.7) and second terminals (120,Fig.7). The inner housing (320,Fig.5) may comprise at least part of the first and second terminals at opposite ends whilst surrounding the conduit 310. The second terminal may be proportioned to be receivable within the first terminal of an adjacent cell. The inner housing may comprise an inner conductive layer sandwiched between conduit insulation (332,Fig.3) and internal insulation layers (334,Fig.3) and may comprise a flange (324,Fig.3) and a conductive support member (338,Fig.5) received within an elongate tubular portion. The outer housing (350,Fig.5) may comprise an internal insulation layer (354,Fig.5) and a conductive layer (352,Fig.5) electrically connected to the first terminal. A plurality of hollow cells may be electrically connected. Fig. 1

METHOD FOR PRODUCING ELECTRODE MATERIAL AND ELECTRODE MATERIAL

Resumen de: EP4773213A1

0001 A method for producing an electrode material, which is a non-aqueous electrolyte secondary battery electrode material, the method including a granulation step that includes: obtaining a mixed liquid by mixing an inorganic binder aqueous solution containing an inorganic binder that contains a phosphate as a component, and a suspension liquid in which an active material is dispersed in an organic solvent; subjecting the mixed liquid to a heat treatment to vaporize water in the mixed liquid; obtaining a granulated body containing the inorganic binder and the active material, in which the inorganic binder aqueous solution has a solid content concentration of 1 mass% or more and 30 mass% or less.

POSITIVE ELECTRODE ACTIVE MATERIAL, ELECTRODE, AND BATTERY

Resumen de: EP4773215A1

0001 A positive electrode active material comprises a primary particle (1) and a covering (5), wherein the primary particle (1) includes an olivine-type phosphate compound, the covering (5) covers at least part of a surface of the primary particle (1), the covering (5) includes carbon and Me, and Me is at least one type selected from the group consisting of a Group 4 metallic element, a Group 5 metallic element, a Group 6 metallic element, a Group 9 metallic element, a Group 10 metallic element, a Group 13 metallic element, and boron (B).

SILICON CARBON COMPOSITE, ANODE ACTIVE MATERIAL, ANODE, AND SECONDARY BATTERY

Resumen de: EP4773234A1

0001 The present invention relates to a silicon carbon composite, an anode active material comprising same, an anode composition, an anode, a lithium secondary battery, a battery module, and a battery pack, wherein, in a Si<2p> spectrum obtained by XPS analysis, a ratio of the intensity of Si(0

ELECTRODE AND SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4773204A1

The present invention relates to an electrode including an electrode active material layer including an electrode active material, a conductive material, and a binder, wherein the electrode active material has a specific surface area of 10 m²/g to 50 m²/g, and the electrode active material layer has an A, defined by factors including input amounts of the electrode active material and the conductive material in the electrode, an loading amount and a specific surface area of the electrode active material, and a specific surface area and an average particle diameter of the conductive material, of 0.70 cm²µm/mg or greater, and may achieve an electrode having a large loading amount and low resistance, thereby providing a secondary battery having excellent capacity characteristics and improved resistance characteristics.

SEMICONDUCTOR STRUCTURE AND MANUFACTURING METHOD THEREFOR

Nº publicación: EP4773256A1 08/07/2026

Solicitante:

CXMT CORP [CN]
CXMT Corporation

Resumen de: EP4773256A1

The present disclosure provides a semiconductor structure and a method for manufacturing the same. The semiconductor structure at least includes: an underlying conductive layer and a blocking portion, a plane in which the blocking portion is located being located above a plane in which the underlying conductive layer is located, and projections of the blocking portion and the underlying conductive layer in the vertical direction having an overlapping region; a three-dimensional structure, the three-dimensional structure including a first portion and a second portion, a top surface of the blocking portion being higher than a bottom surface of the second portion and being lower than or flush with a bottom surface of the first portion, and at least a part of the first portion being located directly above the overlapping region; a contact hole and a first conductive layer, a plane in which the first conductive layer is located being higher than a top surface of the three-dimensional structure, the contact hole being directly connected to the first conductive layer, the underlying conductive layer being electrically connected to the first conductive layer through the contact hole, and the contact hole being located on a side of the first portion away from the second portion; and a first isolation layer, the first isolation layer being configured to fill a region between the contact hole and the three-dimensional structure and a region between different contact holes.