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ENERGY STORAGE SYSTEM

Resumen de: EP4708527A1

An energy storage system includes a container having an accommodation space therein, at least one battery rack in the accommodation space inside the container, the at least one battery rack having a plurality of battery modules stacked thereon, an event detection device inside the container, at least one vent on an outer surface of the container, a nitrogen supply device that supplies nitrogen gas into the container, and a control unit electrically connected to the event detection device and the nitrogen supply device, the control unit driving the nitrogen supply device in response to the event detection device detecting an event.

BATTERY MODULE WITH IMPROVED STABILITY

Resumen de: EP4708504A1

The present invention provides a structure of a battery module including: a cell stack wherein a plurality of battery cells are stacked in widthwise direction, each of the plurality of battery cells having a pair of electrode leads protruding in upward direction; a frame having an open upper portion and accommodating the cell stack; and a resin having an insulating property and filling at least a portion of a space between the cell stack and the frame, and also provides a method of manufacturing the same.

BATTERY MODULE WITH IMPROVED STABILITY

Resumen de: EP4708503A1

The present invention provides: a structure of a battery module comprising: a plurality of battery cells stacked in widthwise direction, each of the plurality of battery cells having a pair of electrode leads protruding in upward direction; a frame having an open upper portion and accommodating the cell stack; and a resin having an insulating property and filling at least a portion of a space between the cell stack and the frame; and a method of manufacturing the same.

BUTTON CELL

Resumen de: EP4708489A1

The present application provides a button battery. The button battery comprises: a first substrate, a first annular wall, and a sealing member. The first annular wall is arranged around a periphery of the first substrate and forms an accommodating cavity with the first substrate, and at least a part of the sealing member is located on a side, away from the accommodating cavity, of the first annular wall. A second housing includes a second substrate and a second annular wall. The second substrate is configured to cover and seal the accommodating cavity, and the second annular wall is connected to a periphery of the second substrate.

TRAINING DEVICE AND METHOD FOR PREDICTING ADHESION TO ELECTRODE, ELECTRODE MONITORING DEVICE AND ELECTRODE MANUFACTURING METHOD USING PREDICTION MODEL TRAINED USING SAME, AND LITHIUM SECONDARY BATTERY MANUFACTURED THEREBY

Resumen de: EP4707778A1

Disclosed is a learning apparatus and method for predicting adhesive force to an electrode, an electrode monitoring device and an electrode manufacturing method using a prediction model trained by using the same, and a lithium secondary battery manufactured by the same. The learning apparatus for predicting adhesive force to an electrode includes: a memory in which a near-infrared spectrum for an electrode and a measurement value of adhesive force of the electrode; a prediction model for predicting the adhesive force of the electrode by receiving a differential mean of a plurality of wave number sections including a characteristic for the adhesive force of the electrode in the near-infrared spectrum; and a processor for receiving the near-infrared spectrum, performing primary differentiation on the near-infrared spectrum, extracting the plurality of wave number sections from the primarily differentiated near-infrared spectrum, calculating the differential mean of the plurality of wave number sections, and transmitting the calculated differential mean to the prediction model, in which the processor receives a predicted value for the adhesive force of the electrode and trains the prediction model so that the predicted value is close to the measurement value.

BATTERY

Resumen de: EP4708434A1

A battery with excellent cycle characteristics, the battery comprising a cathode layer, an electrolyte layer and an anode layer, wherein the cathode layer comprises a cathode active material and an add-in material; the cathode active material comprises a S element; the add-in material comprises a Cl element and at least one metal element selected from the group consisting of a Mn element, a Y element, a Sn element, a V element, a Nb element and a Ta element; and the add-in material is less than 10% by mass of the cathode layer.

BATTERY PACK

Resumen de: EP4708450A1

A battery pack includes battery cells; a thermistor configured to measure temperature information of at least one of the battery cells; a cell holder configured to control an assembling position of the battery cells and including an assembling piece configured to cause an assembling position of the thermistor toward position not to deviate from the battery cells and an assembling posture of the thermistor oriented toward the battery cells; and a circuit portion connected to the thermistor that is configured to receive the measured temperature information from the thermistor. Accordingly, the reliability of the temperature measurement with respect to the battery cells may be improved.

BATTERY SYSTEM

Resumen de: EP4708447A1

A battery ECU (300) calculates a gas generation amount (Vgo) generated in a case (S12), and calculates a gas permeation amount (Vgp) corresponding to an amount of leakage of the gas out of the case (S13). The battery ECU calculates an internal gas amount (Vg) that is a gas amount inside the battery, by subtracting the gas permeation amount (Vgp) from the gas generation amount (Vgo) (S14). Further, the battery ECU calculates an electrolyte solution permeation amount (Vep) corresponding to an amount of leakage of an electrolyte solution out of the case (S15), and calculates an internal void volume (Vc) that is a void volume inside the battery, by adding the electrolyte solution permeation amount (Vep) and an initial void volume (Vc0) (S16). Then, the battery ECU calculates a battery internal pressure (P) that is a pressure in the case, based on the internal gas amount (Vg) and the internal void volume (Vc) (S17).

ANODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND SECONDARY BATTERY INCLUDING THE SAME

Resumen de: EP4708393A1

An anode active material for a lithium secondary battery based on some embodiments of the disclosed technology includes composite particles that include: carbon-based particles including pores; and a silicon-containing coating formed on a surface of the carbon-based particles, wherein a weight increase start temperature of the composite particle, measured by thermogravimetric analysis (TGA) at a heating rate of 10 °C/min, is from 440 °C to 580 °C.

BATTERY SYSTEM, ABNORMALITY DETERMINATION SYSTEM, VEHICLE, ABNORMALITY DETERMINATION METHOD, AND SERVER

Resumen de: EP4707031A1

A battery system includes: a battery stack (150); a housing (101) that houses the battery stack (150) and that is installed in a vehicle; a first thermistor (102 to 112) that detects a first temperature of the housing (101); a second thermistor (114 to 120) that detects a second temperature in the housing (101); and a battery ECU (304) that compares a result of detection by the first thermistor (102 to 112) with a result of detection by the second thermistor (114 to 120) to determine whether a temperature increase in the battery stack is due to a change in an external environment of a battery pack (100) or due to a malfunction in a battery cell.

BATTERY BOX WITH STRUCTURE SECURING FIRE SAFETY AND ENABLING MULTI-LAYER STACKING

Resumen de: EP4708449A1

The present disclosure relates to a battery box having a structure that provides fire safety and enables multi-layer stacking. The battery box according to the present disclosure includes a first enclosure configured to accommodate a plurality of battery modules therein, a deflagration panel configured to rupture to allow flammable to be discharged from the first enclosure, when the flammable gas is generated in the first enclosure and pressure inside the first enclosure increases to a value greater than or equal to a threshold pressure, a first duct which has a lower end connected to the deflagration panel and an upper end connected to an exhaust port spaced a distance apart from the battery box and which guides the flammable gas discharged from the deflagration panel to the exhaust port, and a stacking support positioned on the first enclosure and configured to support a second enclosure stacked on the first enclosure.

BATTERY RECYCLING SYSTEM, CONTROL METHOD, AND CONTROL PROGRAM

Resumen de: EP4708453A2

A battery recycling system (1) includes: a discharging device (11) configured to discharge a secondary battery (TG) to be recycled; a primary crushing device (12) configured to crush a case of the secondary battery that has been discharged to cause an electrode material of the secondary battery to be exposed; an electrolytic solution recovery device (13) configured to heat the secondary battery under a reduced-pressure environment to recover an electrolytic solution contained in the electrode material; a secondary crushing device (14) configured to further crush the secondary battery whose electrolytic solution has been recovered; a sorting device (15) configured to sort crushed objects of the secondary battery crushed by the secondary crushing device (14); and an adjustment device (16) configured to adjust an atmosphere in each of the primary crushing device, the electrolytic solution recovery device, the secondary crushing device, and the sorting device to an N2 atmosphere.

CELL CONTAINER, UPPER PLATE, CHECK VALVE, NOZZLE, BATTERY CELL, AND PRODUCTION METHOD THEREFOR

Resumen de: EP4708556A1

Problem A technique is disclosed that enables prevention of a problem in which an electrolytic solution leaks out from an injection hole.Solution A cell container 11A of a battery cell 10A of the present embodiment includes: an injection hole 22 including a check valve mechanism 20A configured to allow injection of an electrolytic solution 91 into the cell container 11A and prevent outflow; and a valve-opening operation portion 27 provided in the check valve mechanism 20A and configured to bring the check valve mechanism 20A into an open state by applying an external force other than a fluid pressure.

BATTERY DIAGNOSIS APPARATUS AND BATTERY DIAGNOSIS METHOD

Resumen de: EP4707835A1

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 at least two kinds of active materials, 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. The processor is configured to determine at least one diagnostic factor representing a degradation state of the battery cell based on the second profile.

POSITIVE ELECTRODE, MANUFACTURING METHOD THEREFOR, AND ALL-SOLID-STATE BATTERY COMPRISING SAME

Resumen de: EP4708375A1

The present invention relates to a positive electrode, a manufacturing method therefor, and an all-solid-state battery including same, wherein the positive electrode includes a positive electrode active material layer, the positive electrode active material layer includes a positive electrode active material, a sulfide-based solid electrolyte, and a binder, the binder includes a first binder having a weight average molecular weight of 300,000 g/mol or more and a second binder having a weight average molecular weight of 50,000 g/mol or less, and the second binder includes a thiol group. According to the present invention, it is possible to provide: the positive electrode having excellent adhesion between interfaces and/or between components in the positive electrode active material layer as well as excellent dispersibility, and having excellent high-rate discharge efficiency at 1.0C and capacity retention across cycles; a manufacturing method for the positive electrode; and an all-solid-state battery having excellent performance by including the positive electrode.

SILICON CARBON COMPOSITE, NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE COMPOSITION, NEGATIVE ELECTRODE, AND SECONDARY BATTERY

Resumen de: EP4707237A1

The present invention relates to: a silicon carbon composite having a peak A present in a range of 130 ppm to 150 ppm, a peak B present in a range of 110 ppm to 130 ppm, and a peak C present in a range of 15 ppm to 40 ppm during 13C-NMR analysis, and satisfying equation 1 below; a negative electrode active material comprising same; a negative electrode composition; a negative electrode; a lithium secondary battery; a battery module; and a battery pack. Equation 1 0.3 ≤ peak C intensity/(peak A intensity + peak B intensity) ≤ 2.1.

SECONDARY BATTERY

Resumen de: EP4708545A1

A secondary battery according to embodiments of the present disclosure includes a first electrode assembly including a first electrode tab which includes a plurality of 1-1 uncoated parts, each bent in a first direction, and a first auxiliary electrode tab protruding from the same side as the first electrode tab, a second electrode assembly which is stacked on the first electrode assembly in the first direction and includes a second electrode tab including a plurality of 2-1 uncoated parts, each bent in a direction opposite to the first direction, and a second auxiliary electrode tab protruding from the same side as the second electrode tab, and a current collection plate that entirely covers the first electrode tab and the second electrode tab, and is electrically connected to the first electrode tab and the second electrode tab, wherein the first electrode tab is bent in the first direction to contact the second auxiliary electrode tab, and the second electrode tab is bent in the direction opposite to the first direction to contact the first auxiliary electrode tab.

METHOD OF PREPARING BENZENESULFONYL COMPOUND, AND ELECTROLYTE FOR A SECONDARY BATTERY OR A LITHIUM-ION BATTERY COMPRISING THE BENZENESULFONYL COMPOUND

Resumen de: EP4707272A1

Provided is a method of preparing a benzenesulfonyl compound which is performed in the presence of a phase transfer catalyst and an alkali metal hydroxide, and the method has an excellent reaction rate even under mild reaction conditions and may produce the benzenesulfonyl compound in a high yield.

ELECTRONIC DEVICE COMPRISING BATTERY STRUCTURE FOR HEAT DISSIPATION

Resumen de: EP4708513A1

According to an embodiment, an electronic device includes a printed circuit board including an electronic component and a battery. The battery includes a metal can case including a plate and a cover formed from a first metal material, and an electrode assembly disposed in the metal can case. The plate includes a first layer formed from a second metal material, and a second layer, formed from at least the first metal material, disposed on the first layer, and facing the electrode assembly. Heat conductivity of the second metal material is greater than heat conductivity of the first metal material, for dissipating heat, generated by the electronic component, transmitted through a heat-conductive member by thermally contacting with the plate.

BATTERY MODULE SYSTEMS, ASSEMBLIES, AND METHODS OF MANUFACTURE

Resumen de: US20260048671A1

A battery system for powering an electric vehicle can comprise a plurality of battery modules, each of the plurality of battery modules comprising a housing and a plurality of cells disposed within the housing. A plumbing arrangement include a straight tube disposed between adjacent modules in the plurality of modules. An anchor arrangement for each of the plurality of battery modules can facilitate various mounting configurations for each respective battery module. An exhaust system for the battery system can be reconfigurable with a 1:1 vent tube to module ratio. Custom adapters can be configured for mounting airframer exhaust systems to each of the plurality of battery modules.

SYSTEMS AND METHODS FOR IMPROVING ENERGY DEVICE PERFORMANCE

Resumen de: TW202512562A

Provided herein are devices, systems, and methods for improving performance and lifetime of energy devices. In some embodiments, the present disclosure provides an acoustic module for improving energy device performance, the acoustic module comprising: at least one acoustic device configured to be operably coupled to an energy device, wherein the at least one acoustic device comprises (1) an acoustic wave generator configured to generate acoustic waves and (2) a housing enclosing the acoustic wave generator, wherein the housing is configured to be attached to an external surface of the energy device in a configuration that permits the acoustic waves to be streamed into the energy device; and at least one controller configured to control the at least one acoustic device to stream the acoustic waves into the energy device.

MANUFACTURING METHOD AND DEVICE FOR AA LITHIUM ION BATTERY, APPARATUS AND MEDIUM

Resumen de: EP4708444A1

The present application relates to a preparation method, apparatus, device and medium for a No. 5 lithium-ion battery. The method includes: preparing a battery cell based on a preparation process of the battery cell; selecting a steel material for preparing the battery and stamping it to obtain an upper steel shell of the battery; acquiring and determining bending parameters of the spring sheet based on user requirements and attribute parameters of the spring sheet; assembling a PCB board and the upper steel shell of the battery based on the bending parameters of the spring sheet, bending a negative spring sheet on a side of the PCB board downwards, so that the negative spring sheet is in elastic contact with the upper steel shell, and bending a positive spring sheet at a bottom of the PCB board downwards, so that the positive spring plate is in elastic contact with a top of the battery cell, thus obtaining a complete step-down charging terminal; fitting the complete step-down charging terminal onto the battery cell to obtain a semi-finished product of the battery; and fixing the semi-finished product of the battery by roller pressing along a groove of the battery cell, and covering an insulating film on a outside of the semi-finished product after being fixed roller pressing to obtain a finished product of the battery. The present application has an effect of improving a safety of lithium-ion batteries.

MODIFIED SULFUR-CONTAINING SOLID ELECTROLYTE AND METHOD FOR PRODUCING IT

Resumen de: EP4707233A1

The subject matter of the invention provides a viable solvent treatment method for manufacturing surface-modified alkali metal sulfides or alkali metal thiophosphates, especially surface-modified lithium thiophosphates, e.g. Li₆PS₅Cl (mLi₆PS₅Cl). Utilizing nonpolar organic solvents to reduce the concentration of additives with Lewis-basic activity, the surface of, for example Li₆PS₅Cl, is modified to improve the ionic conductivity of electrolytes of type Li₆PS₅Cl or other lithium thiophosphates.

METHOD FOR PRODUCING A BATTERY CELL

Resumen de: CN120826806A

The invention relates to a method for producing a battery cell (10), wherein the battery cell (10) has a housing. The battery cell (10) has an electrochemical cell arranged inside a housing having a first housing part (12). An electrically insulating first coating (14) is applied to at least the first housing part (12) before the electrochemical cell is introduced into the housing.

SHORT CIRCUIT SIGN DETECTION SYSTEM AND SHORT CIRCUIT SIGN DETECTION METHOD

Nº publicación: EP4708611A1 11/03/2026

Solicitante:

RENAULT SAS [FR]
RENAULT S.A.S

Resumen de: EP4708611A1

A short circuit precursor detection system (1) includes a battery cell (21), a temperature sensor (13) that measures a battery temperature, a resistance measurement unit (101) that measures electrolyte resistance of a solid-state electrolyte of the battery cell (21), and a determination unit (104) that determines presence or absence of a precursor of occurrence of short circuit between a positive electrode and a negative electrode. The determination unit (104) determines that the precursor is present when an amount of decrease of the electrolyte resistance measured by the resistance measurement unit (101) during charging is larger than an amount of decrease of the electrolyte resistance caused by change in the battery temperature by a predetermined value or more.