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SECONDARY BATTERY INSPECTION APPARATUS, SECONDARY BATTERY INSPECTION METHOD, AND SECONDARY BATTERY MANUFACTURING METHOD

Resumen de: EP4783275A1

0001 A secondary battery inspection apparatus includes a first support member configured to support an electrode tab bundle in which a plurality of electrode tabs extending outward from an electrode assembly are stacked from below, a displacement sensor configured to calculate a measurement value indicating a thickness of the electrode tab bundle by pressing the electrode tab bundle with a force from above, and a processor configured to determine whether the electrode tab bundle is normal based on the measurement value calculated by the displacement sensor.

BATTERY DIAGNOSIS DEVICE AND METHOD

Resumen de: EP4782852A1

0001 A battery diagnosis device according to an embodiment of the present invention may comprise: at least one processor; and memory that stores at least one command that is executed through the at least one processor. Here, the at least one command may comprise: a command for acquiring state data including a state value of each of factors for a plurality of batteries; a command for deriving regression lines indicating relationships between the factors by using the state data; a command for calculating coordinates corresponding to the state values of the factors and distances between the regression lines; and a command for inputting diagnostic data including the distances into a pre-trained diagnostic model, and determining an abnormal battery among the batteries by using a diagnostic result output by the diagnostic model.

BATTERY, BATTERY PACK AND VEHICLE INCLUDING SAME

Resumen de: EP4783279A1

0001 A battery includes a cell housing, an electrode assembly positioned within the cell housing, and a current collector plate positioned within the housing and electrically coupled to both the cell housing and a second electrode of the electrode assembly. The current collector plate includes an electrode coupling portion electrically coupled to the second electrode, a peripheral portion electrically coupled to the cell housing, and at least one bridge extending between and connecting the electrode coupling portion and the peripheral portion. The bridge includes an adjustable portion configured to deform in response to an applied force, and the peripheral portion may include a rigidity reinforcing structure. The battery may be a cylindrical battery, and the electrode assembly may have a jelly-roll configuration, with the second electrode being a negative electrode. A battery pack including multiple such batteries, and a vehicle including at least one of such battery packs, is also provided.

COATING DEVICE AND ELECTRODE MANUFACTURING DEVICE INCLUDING SAME

Resumen de: EP4782114A1

Disclosed herein relates to a coating device including: a coating die including a first discharge port for discharging a first coating solution; and a first shim disposed within the coating die and including a second discharge port for discharging a second coating solution, wherein the first shim includes a protruding portion protruding outside the coating die. Claims

CHARGING/DISCHARGING DEVICE FOR SECONDARY BATTERY

Resumen de: EP4783407A1

A secondary battery charging and discharging device related to one example of the present invention comprises a chamber including one or more charging spaces capable of individually accommodating trays, in which secondary batteries are accommodated, and provided with charging grippers arranged to be electrically connectable with the secondary batteries in the charging space, a thermoelectric cooling part including a thermoelectric element, and cooling fins arranged to transfer cold air from a cooling side of the thermoelectric element to surroundings, and arranged to cool air in the charging space at an upper portion of the charging space, a first fan provided to suck cooling air from the surroundings of the thermoelectric cooling part at an upper portion of the charging space and to blow the cooling air toward the secondary batteries accommodated in the tray, and a second fan provided so that the cooling air flows along the longitudinal direction of the secondary battery by sucking air in parallel with the longitudinal direction of the secondary battery at a lower portion of the charging space.

BATTERY PACK AND DEVICE INCLUDING SAME

Resumen de: EP4783337A1

0001 A battery pack according to one particular embodiment of the present disclosure comprises: at least one battery assembly including a plurality of battery cells; and a pack frame that stores the at least one battery assembly. The pack frame includes a bottom frame on which the battery assembly is placed and in which a venting space is provided. The battery assembly includes battery cells stacked along one direction, and cell frames that extends along edges of the battery cells and covers the edges of the battery cell. A cell vent part is formed in the part that faces the bottom frame among the cell frames.

BATTERY CELL AND BATTERY PACK INCLUDING SAME

Resumen de: EP4783331A1

0001 A battery cell according to an embodiment of the present disclosure comprises an electrode assembly in which a first electrode, a second electrode, and a separator interposed between the first electrode and the second electrode are sequentially stacked multiple times; a battery case that incorporates the electrode assembly and extends along a longitudinal direction of the electrode assembly; at least two degassing holes formed on an outer surface of the battery case; and a cover part that covers each of the at least two degassing holes, wherein the battery case is a prismatic case, and wherein in a state where the degassing holes are opened, the pressure inside the battery case is formed lower than the atmospheric pressure, and then the degassing holes are covered by the cover part.

BATTERY MODULE AND BATTERY PACK

Resumen de: EP4783327A1

The present disclosure relates to a battery module and a battery pack, and more specifically, to a battery module in which a plurality of battery cells capable of being charged and discharged are accommodated in a housing, and a battery pack including a plurality of such battery modules. A battery module according to an embodiment of the present disclosure may include a battery cell group composed of a plurality of battery cells; a housing accommodating the battery cell group; and a sheet-like member attached to the battery cell group, wherein the housing may have a protrusion that forms a receiving space for accommodating a resin, and the battery cell group may be supported by the protrusion. Here, the sheet-like member attached to the battery cell group may contact the upper surface of the protrusion.

BATTERY MODULE WITH IMPROVED STABILITY OF ELECTRIC CONNECTION OF BATTERY CELLS

Resumen de: EP4783323A1

Disclosed herein is a battery module. The battery module includes: a first bracket including a first tray in which first wells are formed; a second bracket including a second tray in which second wells are formed; a plurality of cells configured to be at least partially inserted into the first and second wells; one or more first electrodes disposed between the first tray and the cells; one or more second electrodes disposed between the second tray and the cells; and one or more elastic coupling members configured to provide the elastic force intended to at least partially tighten the first and second brackets in a third direction.

COATING DIE, AND COATING DEVICE FOR BATTERY ELECTRODE SHEET

Resumen de: EP4783251A1

A coating die and a coating apparatus for a battery electrode plate are provided. The coating die includes a first die (1) and a second die (2). The first die (1) includes a first main body (11) and a first component (12), where the first component (12) is detachably connected to the first main body (11). The second die (2) and the first die (1) are arranged along a first direction (Z). A cavity (3) for accommodating a slurry is formed between the second die (2) and the first main body (11). A discharge port (4) in communication with the cavity (3) is formed between the first component (12) and the second die (2). When the first component (12) is worn, the worn first component (12) only needs to be removed, and a new first component (12) is installed, thereby reducing the downtime of the coating die, improving the coating efficiency, and reducing the production costs.

CAP, GAS GENERATING DEVICE INCLUDING CAP, AND LEAK MEASURING SYSTEM INCLUDING GAS GENERATING DEVICE

Resumen de: EP4783313A1

A gas generation apparatus according to the present disclosure includes a detection case having a shape corresponding to a battery case of a secondary battery, the detection case having an opening to accommodate an electrolyte inside; and a detection cap having a passage hole through which an electrolyte gas generated from the electrolyte passes, the detection cap configured to cover the opening, wherein the passage hole has a diameter configured to allow the electrolyte gas generated by natural evaporation of the electrolyte to escape at a target concentration.

FIRE PROTECTION SYSTEM FOR ENERGY STORAGE BATTERIES

Resumen de: WO2025062005A1

The present disclosure provides a fire protection system for energy storage batteries (100). The present disclosure relates to the technical field of fire protection. It intends to solve the problem of poor fire protection capability of energy storage batteries. The fire protection system for energy storage batteries comprises an energy storage module (1), a storage module (2), a discharge module (3), a conveyance module (4) and a control module (5). The energy storage module (1) has an accommodating space (11), and a plurality of batteries (12) are provided therein. The storage module (2) is provided outside the energy storage module (1), and the storage module (2) comprises a storage container (21). The discharge module (3) comprises a dry ice generator (31) and a discharge member (32), the dry ice generator (31) communicates with the discharge member (32), and the discharge member (32) is provided in the accommodating space (11). The discharging member (32) is provided on one side of the batteries (11). Alternatively or additionally, the discharging member (32) is provided within the batteries (11), and the discharging member (32) is configured to discharge one or more of solid carbon dioxide, liquid carbon dioxide, and gaseous carbon dioxide. The conveyance module (4) comprises a conveying pipeline (41), one end of which communicates with the storage container (21), and the other end of the conveying pipeline (41) communicates with the discharge module (3). The control mo

COMPONENTS FOR ELECTRICAL ENERGY STORAGE DEVICES

Resumen de: MX2026003250A

The present disclosure is directed to a component of an electrical energy storage device, wherein the component is formed from a metal sheet or coil and comprises a first surface; and a dielectric coating on the first surface. Also disclosed are methods of making a component of an electrical energy storage device, and electrical energy storage devices that comprise such components.

BATTERY TRANSPORT BOX

Resumen de: WO2025062036A1

Disclosed is a battery transport box having a storage space for holding one or more battery modules, wherein the storage space is enclosed by a double-walled housing, the double- walled housing comprising an outer wall and an inner wall with a gap formed therebetween, wherein the inner wall has a plurality of openings connecting the gap and the storage space, and wherein one or more mats of absorption material are arranged in the gap.

CARBOXYMETHYL CELLULOSE OR SALT THEREOF, AND METHOD FOR PRODUCING SAME

Resumen de: EP4782481A1

Provided is carboxymethyl cellulose or a salt thereof capable of suppressing the formation of lumps when mixed with water. The carboxymethyl cellulose or a salt thereof is granular carboxymethyl cellulose or a salt thereof and has a bulk density of from 100 to 400 g/L.

SYSTEM AND METHOD OF USING A HELICAL PILE AS A FOUNDATION TO ATTACH TO A BATTERY ENERGY STORAGE SYSTEM

Resumen de: WO2025064826A1

An energy storage system includes a plurality of energy storage nodes, each of which includes a battery storage element, and a plurality of helical piles for coupling the plurality of energy storage nodes to a solid substratum. Two adjacent energy storage nodes share a single helical pile or a fixed number of the plurality of helical piles is determined by site soil and seismic conditions. A method for attaching an energy storage system to a solid substratum is also provided.

BATTERY UNIT FOR A PORTABLE AEROSOL DEVICE

Resumen de: WO2025061672A1

A battery unit for a portable aerosol generating device including a controller, the battery unit comprising: a lithium-ion secondary battery for powering the device, the battery comprising an outlet for venting a gas from the battery; and at least one gas sensor which is located in proximity to the outlet for detecting the vented gas and is configured to output an output signal, wherein the battery unit is configured to be deactivated if the output signal is greater than a predetermined threshold value.

POWER STORAGE ELEMENT

Resumen de: EP4783273A1

0001 An energy storage device according to one aspect of the present invention includes: a plurality of electrode body units each having an electrode body in which a positive electrode and a negative electrode are laminated, and an isolation layer laminated on an outermost surface of the electrode body; and a container accommodating the plurality of electrode body units and having a safety valve, in which the plurality of electrode body units adjacent to each other are in contact with each other at the isolation layers, the isolation layer includes a resin layer and an inorganic layer, and a total thickness of the isolation layers that separate the electrode bodies in the plurality of electrode body units adjacent to each other is 50 µm or more and 110 µm or less.

COMPOSITE MATERIAL

Resumen de: EP4782199A1

0001 The present specification discloses a composite material and a use thereof. In one example, the composite material may be a composite material in which a metal plate and a plastic plate are joined to each other, and may be a composite material in which an internal space exists at the joint interface of the metal plate and the plastic plate. According to the contents disclosed in the present specification, when the composite material is used as a heat dissipation material (e.g., a heat sink) in which a fluid such as a cooling medium moves into the internal space, the internal space can be designed so that the fluid can perform stable and effective heat exchange with a heating element, and the like. In addition, according to the contents disclosed in the present specification, high airtightness can be secured in the internal space so that the heat exchange performance can be maintained without loss in the long term. According to the contents disclosed in the present specification, even when the composite material is manufactured in a large area or large size, it can exhibit the excellent heat exchange performance, and durability by airtightness. The present specification also discloses a use of the composite material.

POSITIVE ELECTRODE MATERIAL AND METHOD FOR MANUFACTURING SAME

Resumen de: EP4783262A1

0001 The present invention relates to a positive electrode material including a single particle positive electrode active material and a method for preparing the same, and is characterized in that a region of high Mn concentration is observed in the single particle positive electrode active material, as analyzed by EPMA.

THERMALLY CONDUCTIVE DIELECTRIC COATINGS

Resumen de: WO2025064342A1

A curable liquid coating composition sprayable on a substrate thereby forming a thin, pin-hole free, thermally conductive dielectric coating exhibiting a combination of improved dielectric strength along with improved thermal conductivity, wherein the composition comprises organic resin, reactive diluent, thermally conductive filler, dispersing agent, initiator, and an additive selected from organic solvent, accelerator and rheology modifier; also provided are methods of producing the compositions, coatings, and substrates comprising curable or cured thermally conductive dielectric coating layers, as well as articles comprising curable or cured coating layers of the composition.

ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME

Resumen de: EP4783255A1

The present invention relates to a negative electrode active material for a lithium secondary battery and a method for manufacturing the same. Specifically, the present invention relates to a negative electrode active material comprising a plurality of amorphous carbon layers on nano silicon-crystalline carbon composite particles, and a method for manufacturing the same.

SOLID ELECTROLYTE, COATED ACTIVE MATERIAL, ELECTRODE, BATTERY, AND METHOD FOR PRODUCING SOLID ELECTROLYTE

Resumen de: EP4783197A1

A solid electrolyte 10 of the present disclosure contains Li, Ti, F, and O, and a proportion of a Ti-O bond in a group of bonds to Ti is 6% or more. The solid electrolyte 10 may further contain at least one element selected from the group consisting of Be, Mg, Ca, Sr, Ba, Sc, Y, Al, Ga, In, Zr, and Sn. The solid electrolyte 10 may be manufactured by applying a liquid containing oxygen to a quasi-solid electrolyte containing Li, Ti, and F, and then subjecting the quasi-solid electrolyte to a thermal treatment to remove the liquid.

METHODS FOR RECYCLING ALKALIATING SOLVENT

Resumen de: WO2025064662A1

The present invention relates to methods of removing the byproduct halogen gas trapped in anhydrous organic solvents such as gamma-butyrolactone, wherein the trapped species preferably form alkali metal complexes such as alkali metal superhalides, comprising adding lithium oxide or ammonia.

BATTERY CONTAINER ASSEMBLY

Nº publicación: EP4780747A1 29/07/2026

Solicitante:

WHTIF AS [NO]
Whtif AS

Resumen de: WO2025063852A1

A battery container assembly (1) for storage and recycling of used batteries, wherein the battery container comprises a battery container (3) comprising an electrically non- conductive inner face (10), a label dispensing arrangement (5) and a pressure relief valve (7)