Alerta

METHOD FOR FLUORINATING HYDROGEN BIS(CHLOROSULFONYL)IMIDE IN GAS PHASE

Resumen de: WO2025132313A1

The present invention relates to a method for producing bis(fluorosulfonyl)imide, which is economically feasible at industrial scale and which provides a high-purity product.

COMPOSITION COMPRISING SULFIDE SOLID MATERIAL COMPRISING ALKALI METAL, P AND S ELEMENTS AND OPTIONALLY HALOGEN

Resumen de: WO2025131950A1

The present disclosure relates to a composition (C) comprising at least one solid sulfide material comprising, at least one alkali metal selected from Li and Na, P and S elements and optionally at least one halogen, and comprising iron (III) oxide-hydroxide (FeOOH) in an amount ranging from 0.05 to 10 % by weight based on the weight of solid sulfide material. It also relates to a process for preparing the composition (C). Finally, the present disclosure pertains to solid electrolyte, secondary battery, electrode and separator comprising the composition (C).

METHOD FOR SOLUTION SYNTHESIS OF LITHIUM ARGYRODITE PARTICLES

Resumen de: WO2025132035A1

The present invention relates to a method for synthesis of particles of lithium argyrodite of formula Li7-(a+b)PS6-(a+b+c)OcXaQb, where X and Q are two different halogenated elements selected from F, Cl, Br, I; O is an oxygen atom, where 1≤a+b<2, c is between 0 and 0.25, limits included, a and b not being simultaneously zero, from a lithium reagent Li2Sx, where x is between 1 and 8, a phosphorus reagent Rp selected from P2S5, P4S10, P4S9 and P4S9+n, where n is between 0 and 1, and a halogenated compound selected from LiX and PSX3; and an optional phosphorus-containing or halogen-containing oxygenated reagent selected from P2O5, LiCIO4, LiBrO4, LilO4, by formation of an intermediate solvate-complex compound Li3PS4 solvent, centrifugation, redispersion of the centrifuged phase in an anhydrous solvent, then filtration and washing of the intermediate compound, drying and heat treatment.

COMPOSITION COMPRISING SULFIDE SOLID MATERIAL COMPRISING ALKALI METAL, P, S AND HALOGEN ELEMENTS

Resumen de: WO2025131949A1

The present disclosure relates to a composition (C) comprising at least one solid sulfide material comprising, at least one alkali metal selected from Li and Na, elements P and S and at least one halogen, and further comprising cerium oxide (CeO2) in an amount ranging from 0.05 to 10 % by weight based on the weight of solid sulfide material. It also relates to a process for preparing the composition (C). Finally, the present disclosure pertains to solid electrolyte, secondary battery, electrode and separator comprising the composition (C).

METHOD FOR PREDICTING ELECTROCHEMICAL PROPERTIES OF CATHODE ACTIVE MATERIAL FOR ALL-SOLID-STATE BATTERY

Resumen de: EP4831629A1

The present invention relates to a method for predicting electrochemical characteristics of a positive electrode active material for an all-solid-state battery, the method including: a first step of deriving an SEM (scanning electron microscope) image of the positive electrode active material for an all-solid-state battery in the form of secondary particles formed by aggregation of a plurality of primary particles; a second step of deriving, from the SEM image, an average radius of the primary particles and an average number of primary particles present in the secondary particle; a third step of deriving an average active area from the derived average radius of the primary particles and the average number of primary particles present in the secondary particle; and a fourth step of predicting rate characteristics of the all-solid-state battery from the derived average active area.

METHOD OF DISPOSING BATTERY COMPRISING METHOD FOR DISCHARGING WASTE BATTERY

Resumen de: EP4832150A1

0001 The present invention relates to a battery processing method, and more particularly, to a battery processing method including a method for discharging a waste battery containing lithium, the method comprising preparing a battery and water-discharging the battery in an aqueous solution containing a sulfate-based ionic material, wherein the sulfate-based ionic material is a by-product generated in a waste battery recycling process.

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.

SOLID ELECTROLYTE AND ALL SOLID STATE BATTERY COMPRISING SAME

Resumen de: EP4832134A1

0001 The present invention relates to a sulfide-based solid electrolyte comprising a compound containing lithium (Li), phosphorus (P), sulfur (S), and a halogen element (D), and having an argyrodite-based crystal structure, wherein at least a portion of the crystal structure is doped with oxygen (O) and a transition metal element (M) consisting of Nb, Ta, V, or a combination thereof.

SOLID ELECTROLYTE AND ALL-SOLID-STATE BATTERY COMPRISING SAME

Resumen de: EP4832133A1

The present invention relates to a solid electrolyte including sulfide-based solid electrolyte particles; and a plurality of La-containing fine particles disposed on a surface of the sulfide-based solid electrolyte particles.

SOLID ELECTROLYTE AND ALL-SOLID-STATE BATTERY COMPRISING SAME

Resumen de: EP4832135A1

0001 The present invention relates to a sulfide-based solid electrolyte including a compound containing lithium (Li), phosphorus (P), sulfur (S), and a halogen element (D), and having an argyrodite-based crystal structure, wherein at least a portion of the crystal structure is doped with indium (In) and tin (Sn), and ionic conductivity at 30°C is 3.21 mS/cm or more.

METAL FIBER

Resumen de: EP4624071A1

The present invention relates to a metal fiber having an anisotropic surface texture, comprising: a first end region on a first end of the metal fiber having a smooth surface; and a second end region on a second end of the metal fiber having a non-smooth surface.

NICKEL-HYDROGEN BATTERY CONFIGURATIONS FOR GRID-SCALE ENERGY STORAGE

Resumen de: WO2025137417A1

A metal-hydrogen battery is presented. The battery includes a bridgeless CPV superstack having a number K of units, each unit including a first layer and a second layer, wherein the first layer includes a number L/2 of intermediate anode-cathodes, and wherein the second layer includes an end anode and an end cathode separated by L/2-1 intermediate anode-cathodes; a pressure vessel that encloses the bridgeless CPV superstack; and electrolyte within the pressure vessel. A bridgeless CPV superstack includes K units, each unit including a first layer and a second layer, wherein the first layer includes a number L/2 of intermediate anode-cathodes, and wherein the second layer includes an end anode and an end cathode separated by L/2-1 intermediate anode-cathode.

MULTILAYER ELEMENT FOR COOLING CIRCUITS USING AT LEAST ONE DIELECTRIC FLUID

Resumen de: WO2025133319A1

The invention relates to the use of at least one element in a cooling circuit using at least one dielectric fluid, wherein the element comprises: - a first layer consisting of a polyamide composition C, characterised in that the composition C comprises 50 to 99.9% by weight relative to the total weight of the composition of a polyamide matrix; - at least one second layer consisting of a composition selected from a composition comprising at least one polyamide, a composition comprising at least one functional polyolefin or a composition comprising at least one barrier polymer; the dielectric fluid is liquid at atmospheric pressure at 23°C and comprises less than 10% by weight of water and glycol ether; and the first layer is intended to be in contact with the dielectric fluid.

FUSED PRODUCT COMPRISING NIOBIUM AND IN PARTICULAR INTENDED FOR AN ELECTRODE

Resumen de: WO2025133264A1

The invention relates to a fused polycrystalline product consisting of constituent elements M, niobium Nb, oxygen O, and optionally nitrogen N, together representing more than 90% of the weight of the product, and, optionally, an additional constituent element making up the remaining weight to 100%, wherein the constituent element M is selected from among titanium (Ti), magnesium (Mg), vanadium (V), chromium (Cr), tungsten (W), zirconium (Zr), molybdenum (Mo), copper (Cu), iron (Fe), gallium (Ga), germanium (Ge), calcium (Ca), potassium (K), nickel (Ni), cobalt (Co), aluminium (Al), tin (Sn), cerium (Ce), tellurium (Te), selenium (Se), silicon (Si), antimony (Sb), yttrium (Y), hafnium (Hf), tantalum (Ta), rhenium (Re), zinc (Zn), indium (In), cadmium (Cd), strontium (Sr), boron (B), lead (Pb), phosphorus (P), bismuth (Bi), sodium (Na), barium (Ba), and mixtures thereof, wherein the atomic proportions of the elements M, niobium Nb, oxygen O, and optionally nitrogen N are defined by the formula MmNbO(1-y)Nyn, and wherein the atomic number subscripts are such that: 0.019 ≤ m ≤ 7.692 and 0 ≤ y ≤ 0.210 and 0.060 ≤ n ≤ 953.850.

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

Resumen de: EP4832086A1

0001 The present invention relates to a positive electrode active material for a lithium secondary battery, comprising lithium metal oxide particles having a nickel (Ni)-containing layered crystal structure and a coating layer surrounding an entire surface of the lithium metal oxide particles and containing an aluminum (Al) compound, wherein the aluminum compound comprises LiAlO<2> and Al<2>O<3>, and a content of LiAlO<2> is 10 wt% to 36 wt% based on a total weight of LiAlO<2> and Al<2>O<3>.

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

Resumen de: EP4832090A1

0001 The present invention relates to a positive electrode active material for a lithium secondary battery, including a lithium metal oxide having a nickel (Ni)-containing layered crystal structure in the form of single particles and a coating layer surrounding an entire surface of the lithium metal oxide and containing a zirconium (Zr) compound, wherein the zirconium compound includes Li<2>ZrO<3> and ZrO<2>, and a content of Li<2>ZrO<3> is 10 wt% to 53 wt% based on a total weight of Li<2>ZrO<3> and ZrO<2>.

LITHIUM SECONDARY BATTERY

Resumen de: EP4832129A1

The present invention provides a lithium secondary battery including a positive electrode, a negative electrode, and an electrolyte, wherein the positive electrode includes a positive electrode active material layer, the positive electrode active material layer includes a positive electrode active material, the positive electrode active material includes a lithium metal oxide having a lithium-rich composition represented by Chemical Formula 1, the negative electrode includes a negative electrode active material layer, and the negative electrode active material layer includes a silicon-based negative electrode active material.

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.

METHOD OF DISPOSAL OF WASTE BATTERIES

Resumen de: EP4832147A1

The present invention relates to a battery processing method. The battery processing method of the present invention comprises preparing an output obtained by reductively heat-treating, at a high temperature, crushed materials recovered from a waste battery, magnetically separating the output into a first magnetic body and a first non-magnetic body, pulverizing the first magnetic body to separate the first magnetic body into a second magnetic body and a second non-magnetic body, and flotation-selecting the first non-magnetic body.

CATHODE ACTIVE MATERIAL FOR ALL-SOLID BATTERY, AND ALL-SOLID BATTERY COMPRISING SAME

Resumen de: EP4832105A1

The present invention relates to a positive electrode active material for an all-solid-state battery, the positive electrode active material being in the form of secondary particles formed by aggregation of a plurality of primary particles, wherein the secondary particles have an average particle diameter (D50) of 2 µm to 7 µm, and the positive electrode active material has an average active area of 50 µm² to 110 µm².

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.

COMPOSITE POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE COMPRISING SAME, AND ALL-SOLID-STATE SECONDARY BATTERY

Resumen de: EP4832076A1

Disclosed are a composite cathode active material, a cathode including the same, and an all-solid-state secondary battery, the composite cathode active material including a composite of Li₂S, a lithium salt, and a carbon-based material, wherein a size of Li₂S crystallites obtained from an XRD spectrum of the composite is 9.5 nm or less, and the composite includes a solid solution of Li₂S and a lithium salt and has a pellet density of 1.65 g/cm³ or more.

ENERGY STORAGE SYSTEM

Resumen de: WO2025129242A1

An energy storage system (10) having cells (11) arranged in series and a battery management system for monitoring voltages of the cells (11). Connection lines extend from a battery management controller to cell junctions. A voltage generator generates a first voltage on the first connection line and a second voltage on the second connection line and a control circuit is provided between each of the first and second connection lines and each of the junctions to which the connection line is connected. When the first and second voltages are generated, the control circuits will connect between the first connection line and a first cell junction where the voltage at said first cell junction is within a range of the first voltage and will connect between the second connection line and a second cell junction where the voltage at said second cell junction is within a range of the second voltage.

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: EP4832183A1

This non-aqueous electrolyte secondary battery (10) comprises an electrode body, a non-aqueous electrolyte, a cylindrical outer can (20) with a bottom that accommodates the electrode body and the non-aqueous electrolyte, a sealing body (30) closing an opening (24) of the outer can (20), an annular gasket (34) disposed between the outer can (20) and the sealing body (30), and a protective member (40) disposed between the outer can (20) and the gasket (34), and is characterized in that: the outer can (20) has a crimping portion (26) that extends radially inward and fixes the sealing body by crimping; and the protective member (40) has an exposed portion (41) disposed radially inward of a radial inner end (26A) of the crimping portion (26).

CATHODE ACTIVE MATERIAL FOR ALL-SOLID BATTERY, AND ALL-SOLID BATTERY COMPRISING SAME

Nº publicación: EP4832087A1 28/10/2026

Solicitante:

POSCO HOLDINGS INC [KR]
POSCO Holdings Inc.

Resumen de: EP4832087A1

0001 The present invention relates to a positive electrode active material for an all-solid-state battery, the positive electrode active material being in the form of secondary particles formed by aggregation of a plurality of primary particles, wherein the secondary particles have an average particle diameter (D50) of 2 to 7 µm, and the positive electrode active material has a particle surface aspect resistance (PSAR) of 5 to 9 kΩ·µm<2>.