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APPARATUS AND METHOD FOR THE ENERGY CELL PRODUCING INDUSTRY

Resumen de: CN120359639A

The invention relates to a plant (1) for the energy cell production industry, comprising:-a feed device (2) which is provided for conveying segment bodies (16), said plant (1) further comprising at least two production devices (8a, 8b, 8c, 8d) which are arranged parallel to one another in a production stream, the invention relates to a device (1) for conveying segments (16), comprising at least one feed device (2) for conveying segments (16), at least one production device (8a, 8b, 8c, 8d), each provided for carrying out a production step on or by means of the conveyed segments (16), and at least one discharge device (3), which is provided for discharging segments (16) from the production devices (8a, 8b, 8c, 8d), the segments (16) being transferred from the feed device (2) to the production devices (8a, 8b, 8c, 8d) by means of a transfer device (4), the transfer device (4) being provided for transferring the segments (16) from the feed device (2) to the production devices (8a, 8b, 8c, 8d). And wherein the plant (1) can be controlled and/or regulated by a control signal of a control device (20) in such a way that the segment bodies (16) received by the feed device (2) are transferred to a specific production device (8a, 8b, 8c, 8d) of the at least two production devices (8a, 8b, 8c, 8d) in a targeted manner by means of the transfer device (4).

FLAME RESISTANT SHIELD FOR A BATTERY MODULE FOR A BATTERY ELECTRIC VEHICLE

Resumen de: CN120584424A

Flame-retardant shroud blank for covering more than one side of a battery pack or battery module, comprising a main panel and at least one flap cut from a blank of the same material, and whereby the main panel and the at least one flap are adjacent and connected to each other, and whereby the connection comprises at least one bridging element, the at least one bridging element at least partially breaks or deforms when the flame-retardant shroud blank is folded into its final shape.

WATER INGRESS DETECTION CIRCUIT AND WATER INGRESS DETECTION METHOD

Resumen de: EP4651260A1

Provided are a water ingress detection circuit and a water ingress detection method. The water ingress detection circuit includes a waterproof detection terminal (1), a waterproof detection module (2), a switch module (3), a wake-up module (4) and a main control module (5). The switch module (3) is connected between the waterproof detection terminal and the waterproof detection module (2); the waterproof detection module (2) and the switch module (3) are further connected to the main control module (5). The battery pack includes a first electrode and a second electrode, the wake-up module (4) is connected to the first electrode or the second electrode of the battery pack, and the wake-up module (4) is connected to the main control module (5). According to the technical solutions provided in embodiments of the present invention, the main control module (5) controls an output circuit of the battery pack to be disconnected according to a second water ingress signal, so the current path between the first electrode and the second electrode of the battery pack is disconnected, which can avoid electrolytic corrosion of the first electrode and the second electrode of the battery pack.

BATTERY PACK AND VEHICLE

Resumen de: EP4651269A1

The disclosure provides a battery pack (100) and vehicle. The battery pack (100) includes a framework (110) and a plurality of battery modules (120); the framework (110) includes a mounting cavity (1100) and a plurality of supporting structures (1130) arranged in a height direction (Z) of the framework (110); the plurality of battery modules (120) are arranged in the mounting cavity (1100) in the height direction (Z), and each of the battery modules (120) includes a frame (121) and a plurality of cells (122) disposed in the frame (121); and each of a plurality of connecting structures (1212) of a plurality of frames (121) is connected to one of the plurality of supporting structures (1130).

LITHIUM METAL SECONDARY BATTERY COMPRISING ELECTROLYTE-SWELLABLE POLYMER FILM

Resumen de: EP4651220A1

An electrode for lithium metal battery, a method for manufacturing the same, and a lithium metal battery including the electrode are provided. The electrode comprises an anode current collector, a lithium metal layer formed on the anode current collector, and a polymer protective thin-film layer formed on the lithium metal layer, the polymer protective thin-film layer including an electrolyte-swellable polymer.

ELECTRODE ASSEMBLY, MANUFACTURING METHOD FOR ELECTRODE ASSEMBLY, BATTERY, AND ELECTRICAL APPARATUS

Resumen de: EP4651259A1

The present application relates to the field of batteries, and provides an electrode assembly (10), a manufacturing method for the electrode assembly (10), a battery (1) and an electrical apparatus. The electrode assembly (10) includes separators (11) and electrode plates (12), and each electrode plate (12) includes an active material portion (121) and a tab (122). The tabs (122) include weakening marks (1221), first connecting portions (1222), and second connecting portions (1223); and the weakening marks (1221) are connected between the first connecting portions (1222) and the second connecting portions (1223). The weakening marks (1221) are configured to guide the first connecting portions (1222) to be bent, so that the first connecting portions (1222) and a winding axis (L) are arranged at a preset angle (α). On this basis, the roll-like electrode assembly (10) can prevent particles from falling into the electrode assembly by means of the bent first connecting portion (1222), thereby improving the yield of the electrode assembly (10).

CHARGING APPARATUS, ELECTRONIC DEVICE, CHARGING SYSTEM, CHARGING METHOD, AND COMMUNICATION METHOD

Resumen de: EP4651339A1

A charging device includes: a charging unit configured to charge an electronic device; a remaining electrical power value information acquisition unit configured to acquire information on a remaining electrical power value of a rechargeable battery provided in the own charging device; an electronic device information acquisition unit configured to acquire electronic device information that includes identification information on the electronic device and information on a remaining battery level value of a battery provided in the electronic device from each of the electronic devices through wireless communication; a charging target information acquisition unit configured to acquire, when a charging target device among the electronic devices is connected to the charging unit, charging target information that includes at least the identification information on the charging target device; and a charging management unit configured to generate charging information that includes battery charging priority related to charging of the charging target device based on the information on the remaining electrical power value, the electronic device information, and the identification information included in the charging target information.

SILICONE FOAM MATERIAL FOR BATTERY FIRE PROTECTION

Resumen de: TW202440752A

The present disclosure relates to a silicone-based fire protection material having a foam structure in which hollow fillers having a d50 of 10-200 microns are bound in a silicone-based polymeric foam comprising gas bubbles, wherein the silicone-based fire protection material has a density of 0.1 g/cc to 0.8 g/cc and a Shore A hardness of 1-40, and the silicone-based polymeric foam has a gas bubble size d50 of 10-1000 microns.

BATTERY MODULE COMPRISING FLAME RETARDANT FRAME

Resumen de: EP4651290A1

The present invention provides a structure of a battery module including a battery cell assembly; a housing accommodating the battery cell assembly and provided with a first venting hole; a flame retardant cover comprising a flexible sheet with heat-resistant properties and provided with a slit; and a flame retardant frame comprising a rigid plate with heat-resistant properties and provided with a second venting hole on an upper surface thereof, wherein the housing comprises: a frame with open front and rear ends; and a pair of end plates covering the open front and rear ends of the frame, the flame retardant cover covers an upper surface of the housing, and the flame retardant frame covers the upper surface and front and rear surfaces of the housing.

ENERGY STORAGE UNIT AND ENERGY STORAGE SYSTEM

Resumen de: EP4651268A1

The present disclosure discloses an energy storage unit (100) and an energy storage system. The energy storage unit (100) includes an accommodating apparatus, a temperature adjusting structure (300) disposed on a bottom of the accommodating apparatus, and a temperature adjusting structure (400) disposed on the bottom of the accommodating apparatus. A plurality of battery cells (200) disposed in an inner cavity of the accommodating apparatus. The thermal conductive structure (300) includes a thermal conductive part (310) and a plurality of heat dissipation parts (320). A temperature equalizing cavity (10) is formed between the plurality of heat dissipation parts (320) and the temperature adjusting structure (400). The temperature adjusting structure (400) includes a heat dissipation flow channel and is configured to adjust a temperature of the energy storage unit (100) through the heat dissipation flow channel.

TEST METHOD AND TEST APPARATUS FOR CHIP, AND UPPER COMPUTER, CHIP AND DEVICE

Resumen de: EP4650796A1

A test method and test apparatus for a chip, an upper computer, a chip, and a device. The method includes: obtaining a test circuit which is built according to a hot-plugging test bench requirement, where the test circuit includes at least one battery module and at least one chip; connecting the at least one chip to the at least one battery module; and testing functions of the at least one chip.

HEAT EXCHANGE ASSEMBLY, BATTERY, VEHICLE, AND ELECTRIC DEVICE

Resumen de: EP4651267A1

The present application provides a heat exchange assembly (1), a battery (1200), a vehicle (1000), and an electric device. The heat exchange assembly (1) includes an inflow pipe assembly (300), an outflow pipe assembly (400), at least one first heat exchange member (100), and at least one second heat exchange member (200). The first heat exchange member (100) is configured with a first heat exchange space (1001) as well as a first inflow end (111) and a first outflow end (131) that are both in communication with the first heat exchange space (1001). The second heat exchange member (200) is configured with a second heat exchange space (210) as well as a second inflow end (220) and a second outflow end (230) that are both in communication with the second heat exchange space (210). The first heat exchange member (100) and the second heat exchange member (200) are arranged alternately, and an accommodation space (1002) configured between an adjacent first heat exchange member (100) and second heat exchange member (200). The first inflow end (111) and the second outflow end (230) are located on the same side of the first heat exchange member (100), and the second inflow end (220) and the first outflow end (131) are located on the same other side of the first heat exchange member (100). The first inflow end (111) and the second inflow end (220) are both in communication with the inflow pipe assembly (300). The first outflow end (131) and the second outflow end (230) are both in com

ENHANCED SINGLE-CELL ENERGY MANAGEMENT SYSTEM

Resumen de: WO2024151899A1

A battery system is provided having first and second battery cells in a battery pack. A first battery management system (BMS) may be in communication with the first battery cell, while a second battery management system may be in communication with the second battery cell. In this manner, each BMS may function to locally control each respective battery cell, thereby providing improved control over each cell. The BMSs may include controllers configured to receive measurement data from the battery cells, to process this battery cell measurement data, and then to produce a control signal based on the battery cell measurement data. The control signals may be provided to switching circuitry connected to the battery cell, thereby allowing for individualized control of each battery cell. Additionally, each BMS may share information regarding the individual cell they monitor with other BMSs. Because each battery cell may be associated with its own BMS, manufacturability, flexibility, and safety improvements may be achieved, among other advantages.

ELECTRIC CONNECTION ASSEMBLY

Resumen de: EP4651311A1

The present disclosure discloses an electrical connection assembly including a conductive member and a conductor. The conductive member includes a plugging portion and a connection portion that are sequentially connected, the connection portion has a connection surface on which two opposing rib portions are provided, opposing surfaces of the two rib portions and the connection surface jointly form a weld surface, and the conductor is at least partially overlapped with the weld surface to be welded to the conductive member. In the present disclosure, the opposing rib portions are provided on the connection surface of the conductive member, thereby increasing a contact area between the conductor and the conductive member during a welding process, and improving connection strength between the conductive member and the conductor.

MELT PROCESS FOR PREPARING CRYSTALLINE OLIVINE CATHODE MATERIAL FROM VARIABLE COMPOSITION SOURCES

Resumen de: WO2024148427A1

There is provided a two-step melt process for preparing a lithium metal phosphate (LiMPO4) cathode material having a defined composition. The process comprises first and second melt steps and an intermediary analysis step between the two melt steps. The first melt step comprises mixing reaction precursors to form a first melt pool having a first melt pool composition. The second melt step comprises adjusting the first melt pool composition based on results obtained from the intermediary analysis step such as to obtain a second melt pool having the defined composition. The reaction precursors comprise Li-, M-, P-containing materials, spent cathode materials from used batteries, out of specification (off-spec) cathode materials, and combinations thereof, M being at least one transitional metal. The second melt step and the intermediary analysis step may be repeated a number of times, as desired, until the defined composition is obtained.

MELT PROCESS FOR THE PREPARATION OF LIFE 1-xMNxPO4 COMPOSITIONS

Resumen de: WO2024148421A1

There is provided a melt process for preparing a cathode material of general formula LiFe1- xMnxPO4 in which x varies between 0 and 1. At least one intermediate composition of the process is prepared under air or under non-buffered inert atmosphere. Also, the process comprises at least one correction step for removing any oxidized iron impurities formed.

MELT PROCESS INVOLVING A DIRECT USE OF A METAL SULFATE PRECURSOR FOR PREPARING A LITHIUM METAL PHOSPHATE CATHODE MATERIAL

Resumen de: WO2024148417A1

There is provided a melt process for preparing a lithium metal phosphate (LMP) cathode material, M being at least one transitional metal. The metal sulfate precursor is used directly with no significant transformation following its extraction from a mine material or recycling from an electrode material of a spent lithium battery. The invention also relates to an LMP cathode material obtained by such process, to a battery having a cathode comprising such material, and to a cathode or battery manufacturing plant which embodies such process.

ELECTRODE SHEET MANUFACTURING DEVICE AND ELECTRODE SHEET MANUFACTURING METHOD USING SAME

Resumen de: EP4651215A1

Disclosed are an electrode sheet manufacturing apparatus including a rewinder configured to wind a metal foil, a first coating member located at the rear of the rewinder, the first coating member being configured to apply a first coating material to a predetermined area of the metal foil, and a second coating member located between the rewinder and the first coating member, the second coating member being configured to apply a second coating material comprising an electrode active material, wherein the applied first coating material and the applied second coating material do not overlap each other, and an electrode sheet manufacturing method using the same, whereby it is possible to prevent a sliding portion from being formed at an outer periphery of an electrode.

RECHARGEABLE LITHIUM BATTERY

Resumen de: EP4651234A1

Disclosed is a rechargeable lithium battery including a positive electrode including a positive active material; a negative electrode including a negative active material; an electrolyte solution including a lithium salt and a non-aqueous organic solvent; and a separator between the positive and the negative electrodes, the separator including a porous substrate and a coating layer positioned on at least one side of the porous substrate. The negative active material includes a Si-based material; the non-aqueous organic solvent includes cyclic carbonate including ethylene carbonate, propylene carbonate, or combinations thereof, the cyclic carbonate being included in an amount of about 20 volume% to about 60 volume% based on the total amount of the non-aqueous organic solvent; and the coating layer includes a fluorine-based polymer, an inorganic compound, or combinations thereof. The rechargeable lithium battery has improved cycle-life and high temperature storage characteristics.

CBI IN-TAB BENDING DEVICE TO WHICH POSITION MEASURING UNIT IS ADDED

Resumen de: EP4651296A1

Disclosed is an apparatus for bending a negative electrode tab of a jelly-roll electrode assembly having a positive electrode tab and the negative electrode tab, the apparatus including a jig configured to hold the jelly-roll electrode assembly such that the negative electrode tab is located above, a pressing mechanism configured to downwardly press the negative electrode tab from above, a spindle device configured to move the pressing mechanism upward and downward, and a position measurement unit configured to measure the vertical position of the pressing mechanism.

ELECTRODE POSITION TRACKING SYSTEM

Resumen de: EP4651218A1

A system for tracking position of an electrode of a battery cell comprises: a roll map in a form of a bar simulating the electrode progressing in a roll-to-roll state, wherein the roll map is generated using coordinates information representing a longitudinal dimension of the electrode and a cell identification, ID, of a unit electrode.

BATTERY DIAGNOSIS APPARATUS AND BATTERY DIAGNOSIS METHOD

Resumen de: EP4650798A1

Provided is a battery diagnosis apparatus and a battery diagnosis method. The battery diagnosis apparatus includes a data obtaining unit configured to obtain a first target full-cell profile representing a correspondence between a capacity factor and a voltage of a target cell while a first electric stimulation is being applied to the target cell, and temperature information of the target cell, and a control circuit configured to generate an estimated full-cell profile based on the first target full-cell profile and an overpotential profile. The control circuit determines a first performance factor group as a primary estimation result for charge/discharge performance of the target cell by applying a cell diagnosis logic to the estimated full-cell profile. The control circuit determines a second performance factor group as a secondary estimation result for the charge/discharge performance of the target cell by applying a factor correction model to the first performance factor group and the temperature information.

SLOT DIE COATING DEVICE COMPRISING AIR VENT

Resumen de: EP4650057A1

The present disclosure relates to a slot die coating apparatus for coating an electrode active material slurry onto an electrode collector, the slot die coating apparatus including: a coating roller; at least two or more dies; a discharge opening through which the electrode active material slurry is discharged in an opposite direction on which gravity acts; and an air vent installed in the die.

SECONDARY BATTERY, AS WELL AS BATTERY MODULE, BATTERY PACK AND ELECTRIC DEVICE COMPRISING THE SAME

Resumen de: EP4651263A2

The present application provides a secondary battery, a battery module, a battery pack and an electrical device containing the same. The secondary battery comprises a positive electrode plate, and a non-aqueous electrolyte, wherein the non-aqueous electrolyte comprises a compound shown in Formula 1, based on the total mass of the non-aqueous electrolyte, the compound shown in Formula 1 is present in an amount of A1% by mass; the positive electrode collector has a thickness of H µm, the positive active material layer has an elongation at break of Q%, the positive active material layer has a compaction density of P g/cm³, and the secondary battery satisfies: H is from 4 to 14, A1/H is from 0.0015 to 0.20, Q+/A1 is from 1 to 4, and P/A1 is from 2 to 340. The present application enables the secondary battery with a thinned positive electrode collector to have low cost, high energy density, high power performance, good processing performance and high safety performance at the same time.

SECONDARY BATTERY

Nº publicación: EP4651248A2 19/11/2025

Solicitante:

LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd

Resumen de: EP4651248A2

Provided is a secondary battery having improved impact resistance. The secondary battery includes a battery case comprising an electrode assembly and an accommodation part configured to accommodate an electrolyte, and the electrode assembly and the electrolyte, which are accommodated in the accommodation part, wherein the secondary battery satisfies following Equation (1): W/S≤42 where, in Equation (1), W is an amount of electrolyte per unit capacity of the secondary battery unit: g/Ah, and S is a product of a total length unit: m and a full width unit: m of the electrode assembly.