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BATTERY CONTAINER

Resumen de: EP4730546A2

Disclosed is a battery container excellent in workability, assembly, expandability, and safety. The battery container includes at least one battery rack including a plurality of battery modules; a container housing having an empty space formed therein to accommodate the battery rack; a plurality of main connectors located on at least one side of the container housing and configured to be electrically connected to the outside; and a main bus bar connected between the plurality of main connectors to transmit power.

BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Resumen de: EP4730541A1

0001 This application discloses a cell, a battery, and an electric device. The cell includes an electrode assembly and an electrode terminal. The electrode assembly comprises a top and a bottom arranged along a first direction. The electrode terminal is configured to connect to the top. The electrode assembly is formed by winding or stacking, and the electrode assembly includes N layers of separators, N being a natural number greater than or equal to 3. Each layer of separator includes a first extension portion extending out of the bottom along the first direction. The N layers of first extension portions are arranged along a second direction. Along the second direction, the first extension portion of the first layer to the first extension portion of the (N-1)-th layer are bent, with adjacent ones of the first extension portions connected. The separator includes a second extension portion extending out of the top. The second extension portion is configured to connect to the electrode terminal. This application is conducive to increasing the energy density of the cell and the tensile strength of the electrode terminal.

BATTERY UNIT, IN PARTICULAR FOR A WATERCRAFT, BATTERY SYSTEM, AND WATERCRAFT

Resumen de: WO2024256464A1

The aim of the invention is to provide a battery unit, in particular for a watercraft, in which the battery cells provided in the battery unit are cooled in a thermally uniform way. This aim is achieved by a battery unit (100) comprising a housing (10) and at least one battery cell block (11a, 11b) that is located in the housing (10) and has at least one battery cell, wherein: the battery cell block (11a, 11b) comprises a sealed battery cell block housing (38); the at least one battery cell (12) is located in the battery cell block housing (38); the battery unit comprises at least one cooling channel (15, 15a, 15b) for air, which extends from a first side (13) of the housing (10) to a second side (14) of the housing (10) opposite the first side (13) and which has an inlet opening (16) located in the first side (13) and an outlet opening (17) located in the second side (14); the cooling channel (15, 15a, 15b) is arranged and designed for cooling the at least one battery cell (12) of the battery cell block (11a, 11b); the at least one cooling channel (15, 15a, 15b) has, along its extension between the inlet opening (16) and the outlet opening (17), at least one additional inlet opening (20) for the additional supply of air.

CURRENT COLLECTOR, ELECTRODE PLATE AND ELECTROCHEMICAL DEVICE

Resumen de: EP4730445A2

0001 The present disclosure relates to the technical field of battery, and in particular, relates to a current collector, an electrode plate and an electrochemical device. The current collector includes an insulation layer; a conductive layer at least located on at least one surface of the insulation layer; and a first protective layer provided on a surface of the conductive layer facing away from the insulation layer. The first protective layer is made of a metal. The current collector is provided with a plurality of holes penetrating through the insulation layer, the conductive layer and the first protective layer. The current collector according to the present disclosure is a light-weight current collector, which has good mechanical strength and conductivity, so that the current collector has a good mechanical stability, a good long-term reliability, and a good service life.

BATTERY CELL, BATTERY, POWER CONSUMPTION APPARATUS, AND METHOD AND APPARATUS FOR MANUFACTURING BATTERY CELL

Resumen de: EP4730499A2

0001 The embodiment of the present application relates to the technical field of batteries. Provided are a battery cell, a battery, a power consumption apparatus, and a method and an apparatus for manufacturing the battery cell. The battery cell comprises a shell, an electrode assembly, an end cover and a current collecting member. The electrode assembly is accommodated in the shell, and the electrode assembly comprises a main body part and a first lug. The end cover covers an opening of the shell, and the end cover is provided with a liquid injection hole. The current collecting member is accommodated in the shell and located on the side of the end cover facing the main body part, and the current collecting member is configured to connect the first lug and the end cover so as to achieve electric connection between the end cover and the lug. The current collecting member is provided with a first center hole and a flow guide channel, the first center hole and the liquid injection hole are oppositely arranged, and the flow guide channel is configured to allow at least part of electrolyte entering the battery cell from the liquid injection hole to enter the main body part. The electrolyte entering the battery cell from the liquid injection hole can more easily permeate into the electrode assembly, thereby improving the liquid injection efficiency and improving the permeation effect of the electrolyte on the electrode assembly.

FLAME-RETARDANT NON-AQUEOUS ELECTROLYTIC SOLUTION AND SECONDARY BATTERY USING SAME

Resumen de: EP4730479A2

0001 A flame-retardant non-aqueous electrolytic solution comprising at least a non-aqueous solvent and an electrolyte dissolved in the non-aqueous solvent, wherein the non-aqueous solvent contains a phosphoric acid ester, the phosphoric acid ester is at least one of compounds of chemical formulae (1) to (3) below, the electrolyte contains at least one difluorophosphoric acid salt, and a content of the phosphoric acid ester is 20 mass% or more with respect to a total mass of the flame-retardant non-aqueous electrolytic solution: wherein X<1> to X<3> each independently represent a hydrocarbon group having 1 to 20 carbon atoms and at least one of a halogen atom and a heteroatom, or each of X<1> to X<3> is the hydrocarbon group having 1 to 20 carbon atoms and at least one of a halogen atom and a heteroatom, and arbitrarily selected combinations thereof are bonded to one another to form a cyclic structure, and wherein Y<1> and Y<2> each independently represent a halogen atom.

BATTERY MODULE, BATTERY PACK INCLUDING BATTERY MODULE, AND VEHICLE INCLUDING BATTERY PACK

Resumen de: EP4730514A1

0001 Disclosed is a battery module, which includes a plurality of battery cells stacked on one another and respectively having electrode leads protruding on at least one side thereof, and a bus bar assembly configured to electrically connect the electrode leads of the plurality of battery cells and having at least one lead slot through which electrode leads of two battery cells adjacent to each other pass in common.

ENERGY-STORAGE APPARATUS AND ELECTRICITY-CONSUMPTION DEVICE

Resumen de: EP4730498A2

0001 An energy-storage apparatus and an electricity-consumption device are disclosed in the present disclosure. The energy-storage apparatus includes a housing having an opening, an electrode assembly, an end cover assembly sealing the opening, and a first connector. The housing defines an accommodating cavity. The end cover assembly includes a top cover and a lower plastic assembly. The lower plastic assembly is disposed between the top cover and the electrode assembly. The lower plastic assembly is located between the top cover and the first connector. The top cover includes a first stimulus-response member. The lower plastic assembly includes a first-lower-plastic-member body, a first recess, and a first vent hole. The first-lower-plastic-member body has a first surface and a second bottom surface. The first recess is recessed from the second surface to the first surface. The first vent hole is defined in a recess bottom-wall of the first recess and penetrates through the recess bottom-wall and the first surface. The first vent hole is opposite to the first stimulus-response member in a thickness direction of the end cover assembly. The first connector is connected between the end cover assembly and the electrode assembly. A part of the first recess is blocked by the first connector, and the rest of the first recess exposed beyond the first connector forms a vent passage. The vent passage is in communication with the first vent hole.

BATTERY

Resumen de: EP4730465A1

The present disclosure discloses a battery. A positive electrode plate includes a positive electrode active material layer. The positive electrode active material layer includes a positive electrode active material. A mass fraction of the positive electrode active material based on a total mass of the positive electrode active material layer is denoted as B, and a specific surface area of the positive electrode active material is denoted as C m²/g. A negative electrode plate includes a negative electrode active material. A specific surface area of the negative electrode active material is denoted as E m²/g. An electrolyte includes a compound represented by Formula 1 and LiBF₄. A mass fraction of the compound represented by Formula 1 based on a total mass of the electrolyte is denoted as G. The battery satisfies a formula of 0.20≤(10×B×G×E²)/C≤3.88, and the battery exhibits excellent fast-charging cycle performance under high voltage.

SECONDARY BATTERY AND MANUFACTURING METHOD OF THE SAME

Resumen de: EP4730551A2

A secondary battery according to an embodiment of the present disclosure includes an electrode assembly; a battery case that houses the electrode assembly and has an opened upper part; and a cap assembly that is coupled to the opened upper part of the battery case, wherein the cap assembly comprises a safety vent formed with a notch portion, and wherein a gap formed by the notch portion is closed.

APPARATUS AND METHOD FOR DIAGNOSING BATTERY

Resumen de: EP4729962A1

0001 An apparatus for diagnosing a battery according to the present disclosure includes a profile obtaining unit configured to obtain a differential profile representing a corresponding relationship between a voltage and a differential capacity of the battery; and a control unit configured to determine a first target peak among a plurality of peaks included in the differential profile, determine a voltage pattern of the first target peak based on a voltage profile representing a time series change of a voltage of the first target peak, and diagnose a state of the battery according to the determined voltage pattern.

APPARATUS AND METHOD FOR MANAGING BATTERY

Resumen de: EP4729966A1

A battery managing apparatus according to an embodiment of the present disclosure includes a profile acquisition unit configured to acquire a first profile for each of a plurality of batteries included in a battery pack; and a diagnosis unit configured to calculate a target ratio from each of the plurality of first profiles, calculate each target value as a diagnostic factor based on a plurality of calculated target ratios, generate a distribution profile indicating a correspondence relationship between a plurality of calculated target values and the number of each of the plurality of target values, determine whether the distribution profile satisfies a predetermined condition, and diagnose a state of the battery pack according to a determination result.

SECONDARY BATTERY INCLUDING INSULATION MATERIAL

Resumen de: EP4730492A1

0001 According to an embodiment of the present disclosure, there is provided a secondary battery comprising: an electrode assembly containing a positive electrode, a negative electrode and a separator, and an electrolyte, wherein the electrode assembly includes two or more unit cells, and one or more thermal insulators, and wherein one or more of the one or more thermal insulators are located between the two or more unit cells.

SECONDARY BATTERY MANUFACTURING EQUIPMENT AND METHOD FOR MANUFACTURING SECONDARY BATTERY BY USING SAME

Resumen de: EP4730413A1

A method of manufacturing a secondary battery includes turning off a circulation valve installed at a circulation pipe connecting a filter and an electrode slurry supply tank, measuring the pressure in a supply pipe connecting the electrode slurry supply tank and a die coater, measuring a pressure in the supply pipe adjacent to the supply valve, and turning on the supply valve installed at the supply pipe based on the measurement of the pressure in the supply pipe.

BATTERY PACK AND VEHICLE INCLUDING SAME

Resumen de: EP4730536A1

The present disclosure relates to a battery pack including: a plurality of battery cells; and a pack case including a body frame configured to store the plurality of battery cells and have an opening formed on at least one side, and a cover frame provided in the opening of the body frame so as to be located on a side where venting gas is discharged from the plurality of battery cells and having a cooling path formed in an inner space such that a cooling medium flows therethrough.

INSERT DEVICE

Resumen de: EP4730455A1

An insert device according to an embodiment of the present disclosure inserts an electrode assembly unit including an electrode assembly and a first current collector coupled to one surface of the electrode assembly into a battery can, and the insert device includes a can holder holding the battery can, a lower stopper supporting the electrode assembly unit from below and configured to be movable in a direction parallel to a central axis of the electrode assembly unit, and an air blower provided on the lower stopper and configured to inject air into the electrode assembly unit in a direction toward the battery can.

POSITIVE ELECTRODE AND SECONDARY BATTERY INCLUDING SAME

Resumen de: EP4730441A1

The present invention relates to a positive electrode including a positive electrode current collector, a first positive electrode active material layer formed on an upper surface of the positive electrode current collector, and a second positive electrode active material layer formed on a lower surface of the positive electrode current collector, in which each of the first positive electrode active material layer and the second positive electrode active material layer includes a first conductive material and a second conductive material, an average length of the second conductive material is longer than an average length of the first conductive material, and K indicated by Expression 1 is 0.82 to 1.16. A specific description of Expression 1 above is as described in the present specification.

TOW VEHICLE COMPRISING A MODULAR HIGH-CURRENT BATTERY MANAGEMENT SYSTEM

Resumen de: EP4729419A1

An aircraft tow vehicle comprises a vehicle body, a turntable lifting unit coupled to the vehicle body configured to engage with an aircraft nose landing gear, and a modular high-current battery management system. The system includes at least one removable battery pack module housed within the vehicle body, comprising a battery frame housing a plurality of lithium iron phosphate (LiFePO4) batteries, a controller to monitor and control the batteries, a high-current DC power relay for managing current flow, at least one supercapacitor to manage rapid changes in current flow, and at least one semiconductor device to regulate voltage and current levels. The system is capable of providing a peak current output of at least 1000 amperes. This configuration enables the tow vehicle to perform efficient aircraft towing operations with enhanced energy management and operational flexibility.

APPARATUS AND METHOD FOR SETTING CHARGING PROTOCOL

Resumen de: EP4730596A1

A charging protocol setting apparatus according to an embodiment of the present disclosure includes a charging unit configured to charge a battery so that the battery repeats a charging state and a rest state; a measuring unit configured to measure a voltage of the battery while the battery is being charged; a temperature adjusting unit configured to adjust a temperature of the battery while the battery is being charged; and a control unit configured to control the charging unit so that the battery is charged at a preset first C-rate, calculate a resistance of the battery at each SOC (State of Charge) based on a voltage drop in the rest state, determine a first charging upper limit SOC corresponding to the first C-rate based on the SOC and the resistance, and set a charging protocol including a corresponding relationship between the first C-rate and the first charging upper limit SOC.

CONTAINER MODULE

Resumen de: EP4730488A1

Disclosed is a container module. A container module according to an embodiment of the present disclosure may include a case providing an internal space and including a rear panel; a battery array including a plurality of battery packs positioned inside the case and stacked in the vertical direction; a cooling unit providing cooling air to the inside of the case; and a duct positioned inside the case and allowing a gap between the battery array and the rear panel to communicate with the cooling unit.

ELECTROLYTE FOR LITHIUM-SULFUR BATTERY AND LITHIUM-SULFUR BATTERY COMPRISING SAME

Resumen de: EP4730464A1

0001 The present disclosure provides an electrolyte for a lithium-sulfur battery for repelling polysulfide from lithium ions, to prevent polysulfide-induced degradation of a negative electrode, and suppress the accumulation of lithium sulfide on the negative electrode surface, thereby achieving high capacity retention and improving life characteristics and a lithium-sulfur battery including the same. 0002 The electrolyte for the lithium-sulfur battery according to an embodiment of the present disclosure includes a lithium salt, a non-aqueous solvent and an additive, wherein the additive includes a compound of the following Chemical Formula 1: wherein R1 and R1' are each independently an alkylene group having 1 to 10 carbon atoms, and wherein R2, R2', R3 and R3' are each independently alkyl group having 1 to 10 carbon atoms.

POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PREPARING SAME, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4730428A1

A positive electrode active material according to the present invention is a positive electrode active material including a lithium nickel-based oxide particle in the form of a single particle composed of one single nodule or in the form of a pseudo-single particle, which is a composite of 40 or fewer nodules, and a coating layer formed on the surface of the lithium nickel-based oxide particle, wherein when the positive electrode active material is analyzed by X-ray diffraction, A defined by Equation 1 below is 1.2% to 3.7%. A = {(Area of peak in region in which diffraction angle 2θ is 37.1° to 37.9°)/(Area of peak in region in which diffraction angle 2θ is 36.0° to 37.1°)} × 100.

BATTERY MODULE

Resumen de: EP4730534A1

A battery module according to an embodiment of the present disclosure includes: a frame that provides an internal space and including a bottom plate and a top plate facing the bottom plate; a plurality of battery cells positioned on the bottom plate and stacked in one direction; and an elastic pad compressed between the multiple battery cells and the top plate.

LOCKING DEVICE FOR SOCKET WITH INSULATING BLOCK AND LOCKABLE RETAINER PLATE

Resumen de: EP4730571A1

0001 The present disclosure relates to a LOTO for an MSD switch, a power battery comprising the LOTO, and a work machinery comprising the power battery. The MSD switch comprises a socket formed with a cavity. The LOTO comprises: a lock bracket which is disposed adjacent to the socket and is provided with a lock hole; a retainer which can be releasably locked with the lock bracket; and an insulating block which is mounted on the retainer. The retainer and the insulating block are configured such that when the retainer is locked to the lock bracket, the insulating block engages in the cavity. The LOTO of the present disclosure features simple structure and assembly, low cost and high versatility.

BATTERY DIAGNOSIS APPARATUS AND BATTERY DIAGNOSIS METHOD

Nº publicación: EP4729965A1 22/04/2026

Solicitante:

LG ENERGY SOLUTION LTD [KR]

Resumen de: EP4729965A1

Disclosed is a battery diagnosing apparatus and a battery diagnosing method. The battery diagnosing apparatus includes a data obtaining unit configured to obtain a first profile representing a capacity-voltage relationship of a battery cell containing an active material with a multi-phase characteristic, and a processor configured to generate a plurality of comparison profiles based on a plurality of electrode profiles included in an electrode profile map. The processor is configured to select, as a second profile, one comparison profile from the plurality of comparison profiles by comparing each of the plurality of comparison profiles with the first profile, and determine a positive electrode loading amount as a diagnostic factor representing a degradation state of the battery cell based on the second profile.