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LastUpdate Última actualización 11/06/2026 [07:21:00]
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Publicaciones de los últimos 15 días/Last 15 days publications (excluidas pubs. CN y JP /CN and JP pubs. excluded)
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ENERGY STORAGE INTEGRATED APPARATUS

NºPublicación:  EP4757035A1 10/06/2026
Solicitante: 
EVE ENERGY STORAGE CO LTD [CN]
Eve Energy Storage Co., Ltd
EP_4757035_PA

Resumen de: EP4757035A1

An energy storage integration device is provided, including an integrated cabin and an energy storage integrated cabinet. The integrated cabin includes an electrical compartment. The energy storage integrated cabinet is located within the electrical compartment and includes a cabinet body. The cabinet body includes a first chamber, a second chamber, and a third chamber spaced apart in a first direction. The energy storage integrated cabinet is equipped with an AC and control assembly, a DC distribution assembly, and a cable assembly. The AC and control assembly is located in the first chamber.

CATHODE MATERIAL, ALL-SOLID-STATE BATTERY, AND METHOD FOR PRODUCING CATHODE MATERIAL

NºPublicación:  EP4756896A1 10/06/2026
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
EP_4756896_PA

Resumen de: EP4756896A1

Disclosed are a positive electrode material capable of improving the battery characteristics of an all-solid-state battery, an all-sold-state battery, and a method for preparing a positive electrode material. A positive electrode active material for an all-solid-state batteryaccording to an embodiment of the present disclosure includes a lithium transition metal oxide, a solid electrolyte and carbon nanotubes, wherein at least one carbon nanotube of the carbon nanotubes has a length of 100 µm or more.

APPARATUS AND METHOD FOR MANAGING BATTERY

NºPublicación:  EP4756450A1 10/06/2026
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
EP_4756450_PA

Resumen de: EP4756450A1

A battery management apparatus according to an embodiment of the present disclosure includes a measuring unit configured to measure voltage and current of a battery including a plurality of negative electrode active materials; a discharging unit having one end connected to a positive electrode terminal of the battery and the other end connected to a negative electrode terminal of the battery, and configured to discharge the battery; and a control unit configured to control the discharging unit to discharge the battery when the voltage of the battery corresponds to a preset reference voltage, and calculate a capacity of a target negative electrode active material among the plurality of negative electrode active materials of the battery based on a current measured in a discharge process.

ELECTRODE ASSEMBLY PROCESSING DEVICE CAPABLE OF EASILY REMOVING FOREIGN SUBSTANCES, AND ELECTRODE ASSEMBLY PROCESSING METHOD USING SAME

NºPublicación:  EP4756955A1 10/06/2026
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
EP_4756955_PA

Resumen de: EP4756955A1

0001 Disclosed are an electrode assembly machining apparatus facilitating foreign matter removal and an electrode assembly machining method using the same, and more particularly an electrode assembly machining apparatus including a seating jig configured to allow an electrode assembly having an electrode lead connected thereto to be seated thereon, a bead machining unit located above a bead portion formed on the electrode lead, the bead machining unit configured to machine the bead portion, a pressing support unit located under the bead portion, and air spray units located respectively above and under the electrode assembly, the air spray units configured to spray air toward the bead machining unit, and an electrode assembly machining method using the same.

BATTERY PACK INCLUDING FOAM PAD GASKET

NºPublicación:  EP4757029A1 10/06/2026
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
EP_4757029_PA

Resumen de: EP4757029A1

0001 BATTERY PACK INCLUDING FOAM PAD GASKET 0002 Disclosed is a battery pack including a battery cell stack including a plurality of stacked battery cells, a battery pack body configured to receive the battery cell stack, a battery pack lid added so as to cover an open upper surface of the battery pack body, and a foam pad gasket disposed at a joint between the battery pack body and the battery pack lid, wherein a through-hole for bolt insertion is formed in an outer periphery of the battery pack lid. The battery pack may be assembled through a simple process, and airtightness of the battery pack may be maintained even after repeated disassembly and reassembly.

PROTECTION APPARATUS FOR BATTERY MANAGEMENT SYSTEM AND BATTERY MANAGEMENT SYSTEM

NºPublicación:  EP4757058A1 10/06/2026
Solicitante: 
EATON INTELLIGENT POWER LTD [IE]
Eaton Intelligent Power Limited
EP_4757058_PA

Resumen de: EP4757058A1

0001 The present disclosure provides a protection apparatus for a battery management system and a battery management system. The protection apparatus includes a primary protection module and a secondary protection module, where the primary protection module is a controllable switch assembly configured to cut off a battery circuit based on abnormal operating signals of a battery, the abnormal operating signals including a first-type abnormal operating signal and a second-type abnormal operating signal; and the secondary protection module includes an active fuse and a passive fuse that are connected in series with each other, and when the primary protection module cannot operate normally, the active fuse cuts off the battery circuit based on the first-type abnormal operating signal, and the passive fuse cuts off the battery circuit based on the second-type abnormal operating signal.

ELECTRONIC DEVICE, AND METHOD FOR MODELING ACTIVE MATERIAL PARTICLES INCLUDED IN COATED AND ROLLED ELECTRODE STRUCTURE THEREOF

NºPublicación:  EP4756725A1 10/06/2026
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
EP_4756725_PA

Resumen de: EP4756725A1

0001 Provided is a method for modeling active material particles included in a coated electrode structure of an electronic device, comprising the steps of: acquiring an image related to a cross-section of at least one active material particle; calculating the curvature of the at least one active material particle on the basis of the image; checking a comparison result between the curvature and a threshold value; and modeling, on the basis of the comparison result and the particle size distribution of the at least one active material particle, the at least one active material particle included in a coated electrode structure.

ASSEMBLED PRESSURE RELIEF CHANNEL AND BATTERY PACK

NºPublicación:  EP4757041A1 10/06/2026
Solicitante: 
EVE ENERGY CO LTD [CN]
Eve Energy Co. Ltd.
EP_4757041_PA

Resumen de: EP4757041A1

This application discloses an assembled pressure relief channel including a first pressure relief end plate, a second pressure relief end plate, at least one pressure relief intermediate plate, and pressure relief tubes; a first pressure relief channel with an opening on one side is formed inside the first pressure relief end plate, a second pressure relief channel with an opening on one side is formed inside the second pressure relief end plate; the pressure relief intermediate plate is located between the first pressure relief end plate and the second pressure relief end plate, third pressure relief channels with openings on both sides are formed inside the pressure relief intermediate plate; the pressure relief tubes are connected between the first and second pressure relief channels, as well as between the second and third pressure relief channels, or connected between the first and second pressure relief channels, between the second and third pressure relief channels, as well as between the third and third pressure relief channels.

COOLING DEVICE AND BATTERY PACK INCLUDING SAME

NºPublicación:  EP4757004A1 10/06/2026
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
EP_4757004_PA

Resumen de: EP4757004A1

0001 A cooling device according to some embodiments includes: a heat sink including a plurality of cooling channels extending in a first direction and spaced apart from each other in a second direction perpendicular to the first direction and a plurality of hollows extending in the first direction and spaced apart from each other in the second direction; and a block coupled to the heat sink, wherein the block includes a plurality of first holes and a plurality of second holes on a side near the heat sink and on a side far from the heat sink, wherein each of the plurality of first holes overlaps a corresponding one of the plurality of cooling channels in the first direction, and each of the plurality of second holes overlaps a corresponding one of the plurality of hollows in the first direction, and each of the plurality of cooling channels includes two or more sub-channels. 0002 Some embodiments of the present disclosure can rapidly cool the battery. Accordingly, the stability of the battery can be enhanced, and rapid charging of the battery can be enabled.

APPARATUS FOR MANUFACTURING ELECTRODE SLURRY

NºPublicación:  EP4755502A1 10/06/2026
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
EP_4755502_PA

Resumen de: EP4755502A1

0001 According to an embodiment of the present disclosure, provided is a device for producing an electrode slurry, comprising: a mixer in which an electrode material and a solvent are mixed; at least one liquid pipe that is connected to the mixer and introduces the solvent into the mixer; and at least one powder pipe that is connected to the mixer and introduces a powder electrode material into the mixer, wherein the powder pipe comprises a bent part in which the powder introducing direction changes, and comprises a first pipe connected to a powder tank in which a powder is stored on the basis of the bent part and a second pipe connected to the mixer, and the inside of the second pipe is formed with a high-pressure DIW spray nozzle that introduces distilled water (DI water, DIW) into the powder pipe and an air spray nozzle that introduces air.

DIE COATER

NºPublicación:  EP4755526A1 10/06/2026
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
EP_4755526_PA

Resumen de: EP4755526A1

0001 A die coater includes a first die including a land portion and a manifold, the manifold having a predetermined depth from the land portion and configured to accommodate an electrode slurry. The die coater further includes a body shim coupled to the first die, wherein the body shim includes wings and a body arranged between and connected to the wings, the wings protruding from the body in a first direction and the body extends in a second direction perpendicular to the first direction. The die coater further includes a first spacer shim coupled to the first die, the first spacer shim overlapping the manifold, wherein the first spacer shim includes first and second sidewalls defining an insulating flow path extending in the first direction, and the width of the insulating flow path in the second direction is variable.

BATTERY CELL ASSEMBLY AND BATTERY PACK INCLUDING SAME

NºPublicación:  EP4756987A1 10/06/2026
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
EP_4756987_PA

Resumen de: EP4756987A1

0001 Embodiments provide a battery cell assembly. The battery cell assembly includes a plurality of battery cells each including a positive electrode lead and a negative electrode lead, and an integrated circuit assembly including an integrated circuit coupled to the plurality of battery cells and configured to measure voltages of the plurality of battery cells, and the integrated circuit assembly includes an insulating frame, an integrated circuit mounted on the insulating frame, a plurality of sensing plates connected to the integrated circuit, and a temperature sensor configured to sense a temperature of one of the plurality of sensing plates.

COMPRESSION PAD, BATTERY CELL STACK, AND BATTERY MODULE INCLUDING SAME

NºPublicación:  EP4757030A1 10/06/2026
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
EP_4757030_PA

Resumen de: EP4757030A1

A battery cell stack according to an embodiment of the present disclosure may include a plurality of battery cells arranged parallel to each other, each battery cell including an electrode assembly having an electrode tab and an outer packaging accommodating the electrode assembly; and a compression pad interposed between the plurality of battery cells. The compression pad may include a main portion; and a side portion disposed at an end portion of the main portion, and having a lower compression ratio than the main portion, the side portion overlapping an electrode tab-side region of the battery cell with respect to a thickness direction of the compression pad.

ELECTRODE MANUFACTURING DEVICE AND METHOD OF MANUFACTURING ELECTRODE USING THE SAME

NºPublicación:  EP4756884A1 10/06/2026
Solicitante: 
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD.
EP_4756884_PA

Resumen de: EP4756884A1

An electrode manufacturing device includes a rolling part configured to roll an electrode plate, a roundness measurement part on the rolling part, the roundness measurement part configured to measure a roundness of each of a pair of rolling rollers, a thickness measurement part behind the rolling part, the thickness measurement part configured to measure a thickness of the electrode plate, and a distance adjustment part configured to compare a measurement value of the thickness measurement part with a measurement value of the roundness measurement part to adjust a distance between the pair of rolling rollers.

POWER STORAGE DEVICE AND METHOD FOR FABRICATING POWER STORAGE DEVICE

NºPublicación:  EP4757043A1 10/06/2026
Solicitante: 
PRIME PLANET ENERGY & SOLUTIONS INC [JP]
Prime Planet Energy & Solutions, Inc.
EP_4757043_PA

Resumen de: EP4757043A1

An aspect of a fabrication method disclosed here includes a preparation step S1 of preparing a battery assembly (2) and an injection step S2 of injecting an electrolyte (E) into the battery assembly (2). In the injection step S2, the electrolyte (E) is injected from a liquid inlet (120A) inserted into an injection hole (22) in a state where the battery assembly (2) is placed with a sealing plate (20A) having the injection hole (22) facing upward.

CAP FOR SECONDARY BATTERY, METHOD FOR MANUFACTURING A CAP, AND METHOD FOR MANUFACTURING A SECONDARY BATTERY.

NºPublicación:  EP4757011A1 10/06/2026
Solicitante: 
SK ON CO LTD [KR]
SK On Co., Ltd.
EP_4757011_PA

Resumen de: EP4757011A1

The present disclosure relates to a cap for a secondary battery, a method for manufacturing the cap, and a method for assembling a secondary battery. The cap comprises an injection hole that penetrates the cap plate; the inlet portion of the hole has an oblique surface whose roughness is greater than that of the adjacent cap surface. The cap manufacturing method includes: forming the injection hole in the cap plate; shaping the inlet portion so its diameter decreases from inlet to outlet, which faces the interior of the battery housing, and creating an oblique surface inclined to the surrounding cap surface; and surface processing the oblique surface to achieve the desired roughness. The battery manufacturing method comprises: producing the cap as described; coupling the cap to one end of the housing; inserting at least one electrode cell into the housing; and sealing the cap to enclose the cell.

BATTERY CELL AND BATTERY MODULE INCLUDING THE SAME

NºPublicación:  EP4757013A1 10/06/2026
Solicitante: 
SK ON CO LTD [KR]
SK On Co., Ltd.
EP_4757013_PA

Resumen de: EP4757013A1

0001 A battery cell according to an embodiment of the present disclosure includes a cell case having a can accommodating an electrode assembly therein and a cap plate connected to the can, and a vent notch formed in at least one of both surfaces of the cap plate, wherein the vent notch includes at least one first notch portion formed based on a first path, at least one second notch portion formed based on a second path, and a connection notch portion connecting the first notch portion and the second notch portion.

POWER STORAGE DEVICE AND METHOD OF MANUFACTURING SAME

NºPublicación:  EP4757009A1 10/06/2026
Solicitante: 
PRIME PLANET ENERGY & SOLUTIONS INC [JP]
Prime Planet Energy & Solutions, Inc.
EP_4757009_PA

Resumen de: EP4757009A1

The present method of manufacturing a power storage device includes: producing an electrode assembly (200) having a first tab (220) and a second tab (270); after the producing the electrode assembly (200), accommodating the first tab (220) and the second tab (270) in a tab accommodation space (670) through a communication space (600) using the spacer (600), the spacer (600) having the communication space (680), the communication space (680) connecting the tab accommodation space (670) and a space external to the spacer (600); and after the accommodating the first tab (220) and the second tab (270), curving the first tab (220) and the second tab (270) in a state in which a first guide portion (G1) faces a main outer surface of the first tab (220) and a second guide portion (G2) faces a main outer surface of the second tab (270).

SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME

NºPublicación:  EP4757020A1 10/06/2026
Solicitante: 
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD.
EP_4757020_PA

Resumen de: EP4757020A1

0001 A secondary battery (10) is disclosed that includes an electrode assembly (100) including a first electrode (110), a separator (130), and a second electrode (120), a case (200) having an open first side that accommodates the electrode assembly (100), and having a terminal hole (210) on a second side different from the first side, a cover (300) coupled to the open first side of the case (200), an electrode terminal (500), coupled inside the case (200) to one of the first electrode (110) or the second electrode (120) via a terminal plate (400), and exposed to an exterior of the case (200), a gasket (600) arranged between the case (200) and the electrode terminal (500) on an exterior of the case (200) and inside the terminal hole (210), and an insulator (700) between the case (200) and the terminal plate (400) on an interior of the case (200), wherein at least a portion of one or more of the gasket (600) and the insulator (700) are configured to melt in a set temperature range.

SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME

NºPublicación:  EP4757008A1 10/06/2026
Solicitante: 
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD.
EP_4757008_PA

Resumen de: EP4757008A1

A secondary battery (100, 200, 300, 400, 500) and a method for manufacturing the same are disclosed. The secondary battery (100, 200, 300, 400, 500) includes an electrode assembly (130, 230, 330, 430, 530), a case body (110, 310, 510) having an open first side surface accommodating the electrode assembly (130, 230, 330, 430, 530) and an electrolyte solution, and a case cover (120) attached to the first side surface of the case body (110, 310, 510), the case body (110, 310, 510) includes an injection port (113, 213, 313, 413, 513) on a second side surface (110a, 310a) different from the first side surface for receiving the electrolyte solution, and a discharge port (114, 221) is on a third side surface (110b, 310b) opposite to the second side surface (110a, 310a) and discharges at least a part of the electrolyte solution injected into the injection port (113, 213, 313, 413, 513) to an outside.

BATTERY PACK

NºPublicación:  EP4757027A1 10/06/2026
Solicitante: 
SK ON CO LTD [KR]
SK On Co., Ltd.
EP_4757027_PA

Resumen de: EP4757027A1

A battery pack includes one or more battery modules. Each of the battery modules includes a plurality of battery cells having a plurality of first electrode terminals and a plurality of second electrode terminals, a first busbar electrically connected to a plurality of first electrode terminals, a second busbar electrically connected to a plurality of second electrode terminals, and a first insulator disposed between the first busbar and the second busbar and configured to electrically insulate the first and second busbars.

BATTERY BOILING COOLING SYSTEM AND METHOD OF USING BATTERY BOILING COOLING SYSTEM

NºPublicación:  EP4756991A1 10/06/2026
Solicitante: 
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD.
EP_4756991_PA

Resumen de: EP4756991A1

A battery boiling cooling system may include an inlet temperature sensor configured to measure an inlet temperature, which is a temperature of a refrigerant at an inlet position where the refrigerant flows into a cooling flow path, the refrigerant including a phase-change material that changes between liquid and gas phases; an outlet temperature sensor configured to measure an outlet temperature, which is a temperature of the refrigerant at an outlet position where the refrigerant flows out of the cooling flow path; an inlet pressure sensor configured to measure an inlet pressure, which is a pressure of the refrigerant at the inlet position; an outlet pressure sensor configured to measure an outlet pressure, which is a pressure of the refrigerant at the outlet position; and a controller configured to control a flow rate of the refrigerant based on the inlet temperature, the outlet temperature, the inlet pressure, and the outlet pressure.

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

NºPublicación:  EP4756963A1 10/06/2026
Solicitante: 
SK INNOVATION CO LTD [KR]
SK ON CO LTD [KR]
SK innovation Co., Ltd.
SK On Co., Ltd.
EP_4756963_PA

Resumen de: EP4756963A1

0001 A solid electrolyte for a lithium secondary battery according to embodiments of the present disclosure may comprise a sulfide compound represented by Formula 1 below and may include a PS<4>3- unit and a BS<3>3- unit. Accordingly, the ionic conductivity of a lithium secondary including the solid electrolyte for a lithium secondary battery can be improved.         Formula 1     Li<6-a>BP<1-b>S<5-b>X<1-a> (in Formula 1, a and b may satisfy 0≤a<1, and 0

A SOLID-STATE POLYMER ELECTROLYTE COMPOSITION FOR USE IN AN ELECTROCHEMICAL CELL

NºPublicación:  EP4756958A1 10/06/2026
Solicitante: 
BOREALIS GMBH [AT]
Borealis GmbH
EP_4756958_A1

Resumen de: EP4756958A1

The present invention relates to a solid-state polymer electrolyte composition comprising an ethylene copolymer containing at least 20 wt% (based on the overall weight of the ethylene copolymer) of an oxygen containing comonomer, and at least one Lithium salt.

POWER STORAGE DEVICE

Nº publicación: EP4756995A1 10/06/2026

Solicitante:

TOYOTA MOTOR CO LTD [JP]
TOYOTA JIDOSHA KABUSHIKI KAISHA

EP_4756995_PA

Resumen de: EP4756995A1

A power storage device includes a plurality of power storage elements (29), a heat exchange plate (32) disposed between the plurality of power storage cells (29) so as to face respective long side surfaces of the plurality of power storage cells (29) and extending in a long-side direction of the long side surface, a main supply pipe (37A) through which a coolant flows to the heat exchange plate (32), and a housing case (10) that houses the plurality of power storage cells (29), the heat exchange plate, and the main supply pipe (37A). The housing case (10) is provided with a partition wall (22) disposed between the main supply pipe (37A) connected to the heat exchange plate (32) and the power storage cell (29) when viewed in an up-down direction.

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