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PROCESS CONTROLLER, ROLL MAP GENERATION SYSTEM INCLUDING SAME, AND METHOD FOR GENERATING ROLL MAP BY USING SAME

Resumen de: EP4712147A1

Example embodiments of the present technology provide a roll map generating method. The roll map generating method includes collecting first data, which represents a first event of an electrode sheet where a roll-to-roll process is performed, in a first memory region, and copying the first data to a second memory region.

BATTERY MODULE

Resumen de: EP4712231A2

A battery module includes a housing (100), a plurality of battery cells (200), each of which includes an electrode assembly (210), a case (220) accommodating the electrode assembly (210), a cap plate (230) sealing the case (220), a pair of terminals (240) protruding from the cap plate (230), and a vent (250) between the terminals (240). The plurality of battery cells (200) is arranged in the housing (100) in a first direction. The battery module further comprises a holder (300) in the housing (100) and facing the cap plate (230), and an inner sheet (400) between the cap plate (230) and the holder (300) to cover the vent (250).

ELECTRODE ASSEMBLY, CYLINDRICAL BATTERY, AND BATTERY PACK AND VEHICLE INCLUDING SAME

Resumen de: EP4712196A1

The present disclosure provides an electrode assembly, a cylindrical battery, a battery pack and a vehicle. The electrode assembly is an electrode assembly in which a first electrode, a second electrode, and a separator interposed therebetween are wound around a winding axis to define a core and an outer circumference, wherein a winding start portion of the first electrode is positioned closer to the core than a winding start portion of the second electrode and extends further in a direction opposite to a winding direction, wherein a winding end portion of the first electrode is positioned closer to the outer circumference than a winding end portion of the second electrode and extends further in the winding direction, and wherein in a cross-section of the electrode assembly perpendicular to the winding axis, the winding end portion of the second electrode is included in a fan-shaped region having a circumferential angle corresponding to an angle of the winding direction between the winding start portion of the first electrode and the winding start portion of the second electrode.

LOADING TRAY AND FORMATION APPARATUS

Resumen de: EP4711298A1

This application discloses a loading tray and a formation apparatus. The loading tray includes: a support frame; at least two mounting members, where the at least two mounting members are fixedly disposed side by side on the support frame to divide the support frame into at least one accommodating cavity, each mounting member is provided with at least two groups of limiting mounting positions, each group of limiting mounting positions includes at least one limiting mounting position distributed at intervals, and arrangement spacings between all groups of limiting mounting positions are not completely the same; and at least two limiting blocks, where the at least two limiting blocks are respectively detachably disposed corresponding to the limiting mounting positions on the at least two mounting members to define at least one accommodating groove in each accommodating cavity. This solution can improve the compatibility of loading trays and reduce model change costs of loading trays.

CAP ASSEMBLY, SECONDARY BATTERY, AND METHOD FOR MANUFACTURING SECONDARY BATTERY

Resumen de: EP4712224A1

A cap assembly includes a terminal part to be electrically connected to an electrode plate of an electrode assembly, a laser-transmissive glass part arranged above an area at where a current collection member that electrically connects an electrode plate of the electrode assembly and the terminal part and the electrode assembly are combined, and a cap plate having a terminal opening with which the terminal part is combined and a glass opening with which the glass part is combined that is combined with a case that accommodates the electrode assembly.

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.

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 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).

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.

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.

GASKET, BATTERY CELL, BATTERY PACK AND VEHICLE COMPRISING SAME

Resumen de: EP4712227A1

A battery cell according to an embodiment of the present disclosure includes an electrode assembly, a battery housing configured to accommodate the electrode assembly through an opening provided on one side, a terminal configured to be electrically connected to the electrode assembly through a closed portion provided on an opposite side of the opening of the battery housing, and a gasket interposed between the terminal and the battery housing, configured to prevent electrical connection between the terminal and the battery housing, and including a ceramic filler.

ANODE ACTIVE MATERIAL, METHOD FOR PREPARING ANODE ACTIVE MATERIAL, ANODE COMPOSITION, LITHIUM SECONDARY BATTERY ANODE COMPRISING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING ANODE

Resumen de: EP4712163A1

The present application relates to a negative electrode active material, a method for manufacturing a negative electrode active material, a negative electrode composition, a negative electrode for a lithium secondary battery including the same, and a lithium secondary battery including a negative electrode.

BATTERY PACK AND DEVICE INCLUDING SAME

Resumen de: EP4712201A1

A battery pack according to an embodiment of the present disclosure includes a pack frame mounting a plurality of battery modules; at least one venting unit on at least one side surface of the pack frame; and at least one sonic fire extinguisher on an upper portion of the pack frame, wherein the sonic fire extinguisher is configured to generate a low frequency in a direction toward the venting unit inside of the pack frame.

APPARATUS AND METHOD FOR COATING

Resumen de: EP4712151A1

Embodiments of the present disclosure provide a coating apparatus. The coating apparatus includes a first material supply unit configured to coat a first mixture layer on a first surface of a substrate, the substrate having markers repeatedly formed along a machine direction, a first sensor configured to sense the first mixture layer and the markers, and a processor configured to determine a position of the first mixture layer based on the markers.

METHOD FOR MANUFACTURING ELECTRODE AND ELECTRODE MANUFACTURED THEREBY

Resumen de: EP4712148A1

A method for manufacturing an electrode according to an embodiment of the present invention may include applying a first coating layer comprising an active material to at least one surface of a current collector comprising a metal material, applying a plurality of second coating layer comprising the active material to at least one surface of the first coating layer, and rolling the current collector, the first coating layer, and the second coating layer by a rolling device.

BATTERY ASSEMBLY AND BATTERY PACK COMPRISING SAME

Resumen de: EP4712241A1

A battery assembly includes a cell block including a plurality of battery cells, and a frame covering at least one surface of the cell block. The frame includes a plurality of venting holes that exhausts gas, and each of the plurality of venting holes has a width of about 0.01 mm or more and less than 0.61 m.

BATTERY MODULE

Resumen de: EP4712210A1

The battery module includes: a cell unit including at least one battery cell; at least two cooling plates tightly attached to two opposite surfaces of the cell unit, respectively; and a refractory material pad configured to surround the at least two cooling plates.

COOLING DEVICE AND BATTERY CELL STACK INCLUDING SAME

Resumen de: EP4712212A1

A battery cell stack according to various embodiments comprises: a plurality of battery cells; one or more cooling devices in contact with at least one of the plurality of battery cells; and a case accommodating the plurality of battery cells and the one or more cooling devices, wherein each of the one or more cooling devices includes a refrigerant flow path therein, is configured to cool at least one of the battery cells by flowing a refrigerant through the refrigerant flow path, and may include a first surface and a second surface having different thermal conductivities. Various other embodiments are possible.

SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME

Resumen de: EP4712217A1

A secondary battery, including a case, an electrode assembly in the case, a cap plate that seals the case, a tab member connected to the electrode assembly, the tab member extending toward the cap plate, a terminal body coupled to the cap plate, the terminal body facing the tab member, a guide plate extending from the terminal body, the guide plate being in the tab member, and a connection member in the terminal body, the connection member being connected to the tab member.

BATTERY CELL MANUFACTURING METHOD, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4712253A1

Disclosed are a method for manufacturing a battery cell (20), a battery cell (20), a battery (100), and an electric apparatus. The method for manufacturing a battery cell (20) includes: connecting an electrode lead-out member (221) of a bare cell (22) to an electrode component (25); bending the connected electrode lead-out member (221) to allow the bare cell (22) to enter an accommodating space (212) of a housing (21) through an opening (2121), the opening (2121) of the housing (21) being a side with the largest area of the housing (21); and connecting a top cover (24) to the housing (21) to close the opening (2121). The bare cell (22) of the battery cell (20) can be conveniently installed in situations where the electrode component (25) is not disposed on the top cover (24).

BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4712236A1

The present application discloses a battery cell, a battery, and an electric apparatus. The battery cell includes: a housing, the housing including a first surface, a second surface, a third surface, and a flange, where the flange is disposed around the first surface and connected to the first surface, the first surface and the third surface are opposite each other, and the second surface is connected between the flange and the third surface; and an insulating film, wrapped around an exterior of the housing, the insulating film wrapping around at least a portion of the first surface, at least a portion of the flange, at least a portion of the third surface, and at least a portion of the second surface. The insulating film is folded from the flange to the second surface to form a first folded region, and the insulating film is folded from the third surface to the second surface to form a second folded region. Along a direction from the first surface to the third surface, a dimension of the first folded region is smaller than a dimension of the second folded region. The insulating film is also capable of sufficiently wrapping around the housing when the housing is provided with a flange.

CONTROL METHOD AND SYSTEM FOR LOGICAL LOW BATTERY THRESHOLD-BASED PROTECTION OVER ENERGY STORAGE SYSTEM

Resumen de: EP4712294A1

This application provides a control method and system for low-power logic threshold protection of an energy storage system. The method includes: reading a charging/discharging instruction state of a battery of the energy storage system; determining a real-time state of the battery based on the charging/discharging instruction state of the battery; determining, based on the real-time state of the battery, whether a remaining capacity of the battery is less than a preset low-power threshold; and performing low-power logic threshold protection control management on the battery of the energy storage system if the remaining capacity of the battery is less than the preset low-power threshold. In this way, the real-time state of the battery is determined based on the charging/discharging instruction state of the battery of the energy storage system; whether the remaining capacity of the battery is less than the preset low-power threshold is determined based on the real-time state of the battery; and low-power logic threshold protection control management may be performed on the battery of the energy storage system when the remaining capacity of the battery is less than the preset low-power threshold, thereby resolving a problem that an existing energy storage system employs a singular control method with incomplete systematic protection for the energy storage system and without an active protection capability.

ENERGY STORAGE CONVERTER AND ENERGY STORAGE SYSTEM

Nº publicación: EP4712711A1 18/03/2026

Solicitante:

ZHEJIANG JINKO ENERGY STORAGE CO LTD [CN]
Zhejiang Jinko Energy Storage Co., Ltd

Resumen de: EP4712711A1

The present disclosure relates to the technical field of energy storage, and, in particular, to an energy storage converter and an energy storage system. In embodiments of the present disclosure, a first cavity of a housing is configured to include a first region and a second region which are arranged along a first direction, an airflow generation apparatus can generate a first airflow flowing through the first region and a second airflow flowing through the second region, and the first airflow and the second airflow both flow in from a first side of the first cavity and flow out from a second side of the first cavity, so that the first region can be subjected to heat management by using the first airflow, and the second region can be subjected to heat management by using the second airflow. Meanwhile, since an average heat generation of devices arranged in the first region is greater than an average heat generation of devices arranged in the second region, more of the first airflow can flow into and flow out of a first channel defined by a cover by arranging the cover in the first region, so that a heat management effect of the first region can be improved, and then, a heat management effect can be improved on the whole.