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METHOD OF DISPOSING BATTERY

Resumen de: EP4832151A1

The present invention relates to a battery processing method, and relates to a method for processing a waste battery. The method includes preparing a battery, measuring a voltage of the battery, low-temperature treating the battery at a temperature equal to or lower than a minimum temperature according to the voltage of the battery, and shredding the battery, wherein the minimum temperature satisfies the following Formula 1.The minimum temperature satisfies the following Formula 1. Minimumtemperature=21.42857+−21.1255×voltage+−0.69264×voltage2±0.5 wherein, in Formula 1, the voltage means a cell-based voltage of the battery.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4832106A1

A positive electrode active material for a lithium secondary battery according to one embodiment is a nickel-containing layered lithium transition metal oxide, and is composed of single particles including at least one of a single particle formed of one primary particle and a quasi-single particle formed by aggregation of a plurality of the primary particles, wherein the single particles include, on average, 5 to 15 primary particles, have an average particle diameter (D50) of 5 µm to 8 µm, and may have an average circularity of 0.75 or more.

CATHODE ACTIVE MATERIAL FOR ALL-SOLID-STATE BATTERY AND METHOD OF MANUFACTURING SAME

Resumen de: EP4832077A1

0001 The present invention relates to a positive electrode active material for an all-solid-state battery and a method for manufacturing the same. Specifically, the present invention relates to a positive electrode active material for an all-solid-state battery, in which a lithium metal oxide is washed with a solution including CoSO<4> to precipitate cobalt on a surface thereof, and a method for manufacturing the same.

CATHODE ACTIVE MATERIAL FOR ALL-SOLID-STATE BATTERY AND METHOD OF MANUFACTURING SAME

Resumen de: EP4832078A1

The present invention relates to a positive electrode active material for an all-solid-state battery and a method for manufacturing the same. Specifically, the present invention relates to a positive electrode active material for an all-solid-state battery, in which residual lithium impurities are reduced and washing damage is recovered by first surface-treating a primarily calcined and washed lithium transition metal oxide using Co(OH)₂ and then secondarily surface-treating the same using LZO (Li₂ZrO₃) or LNO (LiNbO₃), and to a method for manufacturing the same.

LITHIUM METAL ELECTRODE FOR LITHIUM SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME

Resumen de: EP4832065A1

0001 The present invention relates to a lithium metal electrode and a method for manufacturing the same. The lithium metal electrode of the present invention includes a current collector, a metal layer positioned on at least one surface of the current collector and including a lithium alloy, and a protective layer positioned on the metal layer, wherein the protective layer has a porosity of 30% to 60%, and a content of a binder is 5 wt% to 15 wt% based on 100 wt% of an entire amount of amorphous carbon in the protective layer.

CONNECTOR, BATTERY, ENERGY STORAGE SYSTEM AND ELECTRIC DEVICE

Resumen de: EP4832257A1

The present application is suitable for the technical field of electrics, and provides a connector, a battery, an energy storage system and an electric device. The energy storage system and the electric device each comprise a battery, the battery comprises a connector, the connector comprises a housing and a plurality of terminals, and the plurality of terminals are arranged in the housing in parallel. By arranging a plurality of parallel terminals in a housing of a connector, when in use, the connector allows current to flow through the plurality of terminals in parallel, to supply power to an electric device, that is, the connector can be powered by means of a plurality of branches. In this way, the connector can handle a large current, thereby achieving high-current power transmission.

THERMAL MANAGEMENT COMPONENT, BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4832159A1

0001 The present application discloses a thermal management component, a battery, and an electric device. The thermal management component comprises a heat exchange tube and a first current collector; the heat exchange tube has a first end; a first flow channel used for accommodating a heat exchange medium is formed in the first current collector; the first flow channel has a first inner surface and a second inner surface which are oppositely arranged in a first direction; the first end is inserted into the first flow channel, and the first end is attached to at least one of the first inner surface and the second inner surface. Therefore, the size of the thermal management component in the first direction can be optimized, thereby reducing the space occupied by the thermal management component in the first direction, improving the energy density of a battery using the thermal management component.

METHOD FOR PREPARING AN ELECTRODE FOR A SODIUM-ION SECONDARY CELL

Resumen de: WO2025133146A1

There is disclosed herein a method for preparing an electrode for a sodium-ion secondary cell, comprising the steps of: applying an electrode coating (204) along a coating axis (c) on an electrode substrate sheet (202) to form a coated substrate sheet, the electrode coating (204) comprising an active electrode material wherein the active electrode material comprises one of hard carbon or a Prussian Blue analogue; cutting the coated substrate sheet across the coating axis (c) into a plurality of portions (210); and calendering a portion of the plurality of portions, wherein the calendering comprises applying pressure with at least one roller (212) having a pressure- applying axis (p) aligned with the coating axis (c). Among other benefits, the risk minimization of damage to the electrode substrate is achieved. Also disclosed herein is an electrode prepared by the aforementioned method, a sodium-ion cell comprising such an electrode, a battery system comprising such a cell, and a vehicle comprising such a battery system.

PROCESS AND APPARATUS FOR PRODUCTION OF GRAPHITE

Resumen de: WO2025132768A1

A process for production of graphite. The process comprises providing a metallic melt; supplying a carbonaceous material to the metallic melt; subjecting the carbonaceous material to catalytic graphitization in the metallic melt; passing a gas through the metallic melt; and collecting a composition leaving the metallic melt, the composition comprising graphite carried by said gas. An apparatus (100) for production of graphite. The apparatus comprises a graphitization reactor (110); a heating element (120) heating the graphitization reactor; an inlet conduit (130) connecting a source (140) of carbonaceous material with the graphitization reactor; a gas conduit (150) connecting a source (160) of gas with a bottom part of the graphitization reactor; and an outlet conduit (170) connecting a top part of the graphitization reactor with a gas-solids separator (180).

FLOODING VALVE FOR A STORAGE BATTERY

Resumen de: WO2025131955A1

The invention relates to a flooding valve (10) for a storage battery, comprising a tubular body (20) which is closed by a seal (30) suitable for breaking when an overpressure is applied to the face thereof that faces the outside of the tubular body. According to the invention, this valve comprises a flap (23) which also closes the tubular body and which is suitable for opening towards the outside of the tubular body when an overpressure is applied to the face thereof that faces the seal.

SEPARATOR FOR ELECTROCHEMICAL DEVICE AND METHOD FOR MANUFACTURING SAME

Resumen de: EP4832223A1

A separator according to the present disclosure not only has excellent adhesion to an electrode but also ensures sufficient porosity, thereby exhibiting excellent resistance and ion conductivity properties. In addition, the time taken for a lamination process may be reduced during electrode assembly manufacture, thereby achieving high process efficiency in battery manufacture.

SEPARATOR FOR ELECTROCHEMICAL DEVICE, AND METHOD FOR MANUFACTURING SAME

Resumen de: EP4832222A1

0001 The present disclosure provides a separator for an electrochemical device, the separator including: a porous polymer substrate; and an inorganic coating layer covering one surface or both surfaces of the porous polymer substrate, wherein the inorganic coating layer includes a plurality of adhesive polymer columns each having a predetermined volume, the polymer column is made of a polymer material and has no pores, at least a portion of the polymer column is exposed on a surface of the inorganic coating layer while another portion thereof is in contact with the surface of the porous polymer substrate, at least one of the polymer columns is spaced apart from another polymer column by a predetermined distance, spaces between the polymer columns are filled with inorganic particles, and an area occupied by the surface area of the polymer column exposed on the surface of the inorganic coating layer is 10% to 80% relative to 100% of the surface area of the inorganic coating layer based on a top-view image of the separator.

SEPARATOR FOR ELECTROCHEMICAL DEVICE AND METHOD FOR MANUFACTURING SAME

Resumen de: EP4832221A1

0001 A separator according to the present disclosure not only has excellent adhesion to an electrode but also ensures sufficient porosity, thereby exhibiting excellent resistance and ion conductivity properties. In addition, the separator is in close contact with the electrode without a gap at an interface therebetween, thereby ensuring excellent long-term lifespan properties of a battery. In addition, the time taken for a lamination process may be reduced during electrode assembly manufacture, thereby achieving high process efficiency in battery manufacture.

A METHOD FOR PRODUCING A CARBON ENRICHED MATERIAL

Resumen de: WO2025133745A1

A method for producing a carbon enriched material, said method comprising the steps of: a) providing lignin beads, wherein said lignin beads comprise at least 80 wt% of lignin based on the dry weight of the lignin beads; b) optionally heating the lignin beads to one or more temperatures in the range of from 140 to 270 °C for a period of at least 30 minutes so as to obtain thermally stabilized lignin beads; and c) subjecting the, optionally thermally stabilized, lignin beads to carbonization at one or more temperatures in the range of from 300 °C to 1500 °C, wherein the carbonization is carried out for a total time in the range of from 30 minutes to 10 hours, so as to obtain a carbon enriched material.

MACHINE LEARNING-BASED BATTERY CHARGE/DISCHARGE CURRENT PREDICTION METHOD AND DEVICE FOR CHARGE/DISCHARGE STRATEGY FOR BATTERY THERMAL MANAGEMENT

Resumen de: EP4831661A1

Provided is a method of predicting battery charge/discharge current executed by a computing device, including obtaining training data and verification data including temperature profiles according to battery charge/discharge current profiles, training a machine learning model by using the training data, verifying the trained machine learning model by using the verification data and retraining the machine learning model, and predicting a current profile according to a battery temperature profile by using the machine learning model.

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

Resumen de: EP4832081A1

The present invention relates to a positive electrode active material for a lithium secondary battery, the positive electrode active material including a single-particle-form lithium metal oxide having a nickel (Ni)-containing layered crystal structure and a coating layer disposed on a surface of the lithium metal oxide and containing cobalt (Co) and fluorine (F), wherein, when X-ray Photoelectron Spectroscopy (XPS) analysis for Ols is performed on an outermost surface of the positive electrode active material, a first peak appears in a region in which a binding energy is 530 to 532 eV, and a second peak appears in a region in which a binding energy is 528.5 to 529.5 eV, and a ratio of a height of the first peak to a height of the second peak (first peak/second peak) is 3 to 3.5.

SYSTEMS AND METHODS FOR PRODUCING LITHIATED INORGANIC PARTICLES

Resumen de: WO2025136732A1

The present disclosure is directed to systems and methods of producing lithiated inorganic particles. The lithiated inorganic particles can be produced by mixing a lithium precursor, a liquid medium, a carbon precursor, and inorganic particles to form a precursor suspension. The precursor suspension can be spray dried to form precursor particles and then these precursor particles can be heated to form a lithiated inorganic powder that includes inorganic particles having a coating of carbon and lithium silicate.

SODIUM ION CATHODE ACTIVE MATERIALS FOR BATTERIES

Resumen de: WO2025132336A1

The present invention relates to a cathode active material for rechargeable batteries comprising Na, M, and O, wherein M consists of Fe in a molar ratio a, wherein 0.05 ≤ a ≤ 0.40 relative to M; Mn in a molar ratio b, wherein 0.50 ≤ b ≤ 0.90 relative to M; and X in a molar ratio c, wherein 0.01 ≤ c ≤ 0.10 relative to M, and wherein X is at least one element selected from B, Si, K, Co, Ga, Rb, Rh, Cs, Re, Tl and Pb; wherein a+b+c is 1.00, the molar ratio of Na to M (Na/M) is between 0.40 and 1.10, and the content of Na, Fe, Mn and X is measured by ICP-OES and relates to a method for manufacturing the same.

OCV MEASUREMENT METHOD AND OCV MEASUREMENT DEVICE

Resumen de: EP4831663A1

0001 Provided is an OCV measurement method and an OCV measurement device capable of grasping a state of health of a secondary battery mounted on a vehicle with high precision by enabling a measurement of OCV with high precision to be performed even when the secondary battery is in a low SOC state. The OCV measurement method includes: when the secondary battery is discharged and is in a low state-of-charge state, charging the secondary battery for a certain period of time until polarization characteristics are eliminated (ST2); determining whether or not a measurement of open-circuit voltage (OCV) of the secondary battery is feasible (ST6); and when a measurement of the OCV is determined to be feasible, executing a measurement of OCV of the secondary battery (ST7).

CARBON MATERIAL AND METHOD FOR PRODUCING SAME, CONDUCTIVE ASSISTANT, DISPERSION, ELECTRODE COMPOSITION, ELECTRODE SLURRY, ELECTRODE, AND LITHIUM ION SECONDARY BATTERY

Resumen de: EP4831122A1

0001 Provided is a carbon material that exhibits excellent conductivity and exhibits excellent charge/discharge characteristics, battery capacitance characteristics, and rapid discharge characteristics when an electrochemical element electrode is produced therefrom. A carbon material according to the present invention is formed from a carbonaceous outer shell having a graphene structure, and has pores. In the carbon material, the BET specific surface area is in a range of 100-2500 m<2>/g. The total pore volume measured by nitrogen adsorption/desorption measurement is at least 0.30 cc/g. With respect to the total pore volume, the volume percentage of pores each having a pore diameter of 10 nm or more is at least 30% and the volume percentage of macropores which are pores each having a pore diameter of more than 50 nm is at least 5%. The mode pore diameter is in a meso pore region, which is 2-50 nm.

SODIUM-ION BATTERY AND ELECTRIC DEVICE

Resumen de: EP4832138A1

0001 A sodium-ion battery and a power-consuming device are provided. The sodium-ion battery includes a positive electrode, a negative electrode, a separator, and an electrolyte. The electrolyte includes a cyclic carbonate solvent and/or a carboxylic ester solvent. A numerical ratio of a mass fraction of the cyclic carbonate solvent in the electrolyte to a sum of a D50 particle size of a positive electrode active material and a D50 particle size of a negative electrode active material is 0.005:1 to 0.2:1. A numerical ratio of a mass fraction of the carboxylic ester solvent in the electrolyte to the sum of the D50 particle size of the positive electrode active material and the D50 particle size of the negative electrode active material is 0.002:1 to 0.1:1. A unit of the D50 particle sizes is ¡.tm. With a proper design of a specific association relationship between the D50 particle sizes of the positive and negative electrode active materials and the electrolyte solvent, the sodium-ion battery can effectively balance ion transport and ion diffusion capabilities in battery charging and discharging processes, and improve low-temperature kinetics of the battery while also considering high-temperature performance.

SECONDARY BATTERY AND PREPARATION METHOD THEREOF, ENERGY STORAGE SYSTEM, AND POWER SUPPLY DEVICE

Resumen de: EP4832130A1

0001 Provided is a secondary battery and a preparation method thereof, an energy storage system, and a power supply device, which help to solve the influence caused by gas generation of a lithium replenishment agent. The method includes: providing a battery, where a lithium replenishment agent of the battery has a first charging plateau and a second charging plateau; charging the battery at a first current to form a SEI; performing a first formation and exhausting gas process, where the battery is charged at a second current to a preset cut-off voltage and subjected subsequently to at least one breathing-like exhausting gas process; performing an activation process, where the battery is charged continuously at the second current to the minimum value of the first charging plateau; performing a second formation and exhausting gas process, where the battery is charged at a third current to the maximum value of the first charging plateau and subjected subsequently to at least one breathing-like exhausting gas process; performing a third formation and exhausting gas process, where the battery is charged at the first current to the maximum value of the second charging plateau, while subjecting to at least one breathing-like exhausting gas process; and charging the battery at the third current to a cut-off voltage.

BATTERY AND ELECTRIC DEVICE

Resumen de: EP4832196A1

A battery (100) and an electric device. The battery (100) comprises a battery cell (20), a box (10) and a protective plate (30), wherein an electrode terminal (201) is provided on one side of the battery cell (20) in a first direction (X); the box (10) is provided with an accommodating space (103) for accommodating the battery cell (20); and the protective plate (30) is arranged in the accommodating space (103) and is located on one side of the battery cell (20) in the first direction (X), and the protective plate (30) comprises a main body portion (301) and a cushioning portion (302), which are connected to each other, the cushioning portion (302) protruding from the side of the main body portion (301) facing the battery cell (20) and being opposite the electrode terminal (201) in the first direction (X). In the above structure, the cushioning portion (302) of the protective plate (30) protrudes from the side of the main body portion (301) facing the battery cell (20) and is opposite the electrode terminal (201) in the first direction (X), so that when the protective plate (30) is impacted and deforms, the cushioning portion (302) can come into contact with the electrode terminal (201) of the battery cell (20) having a good strength, and the cushioning portion (302) can cushion the action forces between the protective plate (30) and the battery cell (20), causing the electrode terminal (201) of the battery cell (20) to be less prone to deforming, thereby facilitating an impr

BIMODAL POSITIVE ACTIVE MATERIAL, METHOD FOR PRODUCING SAME, AND ALL-SOLID-STATE BATTERIES COMPRISING SAME

Resumen de: EP4832079A1

0001 One embodiment of the present invention provides a bimodal positive electrode active material including a first lithium metal oxide and a second lithium metal oxide, wherein an average particle diameter (D50) of the first lithium metal oxide is larger than an average particle diameter (D50) of the second lithium metal oxide, wherein the first lithium metal oxide includes a first coating layer coated on an entire surface or a portion of a surface thereof, wherein the second lithium metal oxide includes a second coating layer coated on an entire surface or a portion of a surface thereof, wherein the first coating layer and the second coating layer include a Zr-containing compound, an Nb-containing compound, or a combination thereof, and wherein the Zr-containing compound is represented by the following Chemical Formula 1 and the Nb-containing compound is represented by the following Chemical Formula 2.         Chemical Formula 1     LiZrO         Chemical Formula 2     LiNbO 0002 In Chemical Formula 1, 0