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Paquete de baterias y metodo para prevenir la fuga térmica de las celdas de la bateria

Publication No.:  CO2025009106A2 17/07/2025
Applicant: 
TVS MOTOR COMPANY LTD [IN]
TVS MOTOR COMPANY LIMITED
WO_2024147158_PA

Absstract of: WO2024147158A1

The present invention relates to a battery pack (10) which includes a casing (20) enclosing a plurality of battery cells, a charge dissipation device (30), an active cooling device (40) and a BMS The BMS monitors the battery pack (10), and if a potential thermal runaway condition exists, the BMS estimates a state of charge (SOC) of the battery pack (10), compares the SOC of the battery pack (10) with a predefined SOC value, actuates the charge dissipation device (30) to rapidly discharge the plurality of battery cells if the SOC of the battery pack (10) is greater than the predefined SOC value, and actuates the active cooling device (40) to decrease the temperature of the battery pack (10) if the SOC of the battery pack (10) is lesser than or equal to the predefined SOC value, for preventing thermal runaway of the plurality of battery cells.

METHOD FOR RECYCLING BATTERY MATERIALS

Publication No.:  WO2025151082A1 17/07/2025
Applicant: 
GLC RECYCLE PTE LTD [SG]
GLC RECYCLE PTE. LTD
WO_2025151082_PA

Absstract of: WO2025151082A1

Method For Recycling Battery Materials A method for recycling battery materials comprises soaking negative current collectors in a first solution for a predetermined soaking time period to obtain separated copper foils and graphite powders, extracting the copper foil from the first solution; drying the copper foil; cleaning the copper foil; extracting the graphite powders from the first solution and drying the graphite powder. The soaking step causes an adhesive between a graphite coating and a copper foil to be dissolved in the first solution such that the graphite coating is separated from the copper foil and to cause the graphite coating to be dispersed into the first solution to form graphite powders. A method according to the present invention enables copper material and graphite material recycling from batteries without cutting or shredding the batteries into fragments and achieves battery materials recycling with high efficiency.

APPARATUS AND METHOD FOR RECYCLING ELECTROLYTES

Publication No.:  WO2025151081A1 17/07/2025
Applicant: 
GLC RECYCLE PTE LTD [SG]
GLC RECYCLE PTE. LTD
WO_2025151081_PA

Absstract of: WO2025151081A1

An apparatus for recycling electrolytes from batteries comprises a housing which encloses a vacuum chamber therein, a filer plate disposed in the housing, a gate formed on the housing and a press coupled to the housing. The filter plate divides the vacuum chamber into a first compartment and a second compartment. The gate is openable to allow external access to the first compartment, for loading the battery fragments into the vacuum chamber for electrolyte recycling and unloading the solid content from the vacuum chamber thereafter, and closeable to seal the vacuum chamber. After battery fragments are loaded in the first compartment through the gate and with the gate closed, the press moves towards the filter plate to squeezes the battery' fragments and to force electrolytes to flow out of the fragments. The electrolytes thereafter flow into the second compartment through the filter plate for collection.

POLYMER ELECTROLYTES

Publication No.:  WO2025151080A1 17/07/2025
Applicant: 
NATIONAL UNIV OF SINGAPORE [SG]
NATIONAL UNIVERSITY OF SINGAPORE
WO_2025151080_PA

Absstract of: WO2025151080A1

The present invention relates to a polymer electrolyte comprising a co-polymer and alkali metal ions, the co-polymer comprising a first, a second and optionally a third constitutional unit, wherein, the first constitutional unit is formed from a first monomer selected from the group consisting of a 5 to 8 membered cyclic carbonate and a 5 to 8 membered cyclic ether, wherein said cyclic carbonate or cyclic ether comprises an unsaturated carbon-carbon bond or is substituted by a methylidene, vinyl or allyl group, and is unsubstituted or substituted by one or two C1-6alkyl or phenyl groups; the second constitutional unit is formed from a second monomer selected from the group consisting of a C1-6alkyl acrylate and a C1-6alkyl methacrylate, said C1-6alkyl of the C1-6alkyl acrylate or C1-6alkyl methacrylate substituted by one or more halogen atoms; and the third constitutional unit is formed from a third monomer selected from the group consisting of a poly(ethylene glycol) acrylate and poly(ethylene glycol) methacrylate Also disclosed herein is a method of preparing the polymer electrolyte of the present invention and a battery comprising the polymer electrolyte of the present invention.

APPARATUS AND METHOD FOR RECYCLING BATTERIES

Publication No.:  WO2025151085A1 17/07/2025
Applicant: 
GLC RECYCLE PTE LTD [SG]
GLC RECYCLE PTE. LTD
WO_2025151085_PA

Absstract of: WO2025151085A1

The present invention provides an apparatus and method for recycling batteries, the apparatus comprises a sealed chamber having a loading port formed on an upper portion and an unloading port formed on a lower portion, a vacuum device coupled to the sealed chamber for withdrawing air from the sealed chamber, a first gas supply device coupled to the sealed chamber for providing a flame retardant gas into the sealed chamber, a second gas supply device coupled to the sealed chamber for providing a coolant into the sealed chamber, a cutting device coupled to the sealed chamber for performing a severing operation in the sealed chamber, and a conveyor belt disposed horizontally in the sealed chamber to transport batteries received from the loading port to the cutting device for severing the batteries into fragments, and to transport the battery fragments to the unloading port for collection.

METHOD OF RECYCLING BATTERY

Publication No.:  WO2025151084A1 17/07/2025
Applicant: 
GLC RECYCLE PTE LTD [SG]
GLC RECYCLE PTE. LTD
WO_2025151084_PA

Absstract of: WO2025151084A1

The present application relates to battery recycling technology. In particular, the present application relates to a method for recycling battery. According to one embodiment, the method comprises a step of removing an external enclosure of the battery to expose a housing of the battery; a step of removing terminals of the battery; a step of removing a top plate of the battery; a step of extracting a cell of the battery from the housing, and a step of disassembling the cell to obtain electrodes, electrolytes and separators of the battery. The present invention is advantages in that the recycled batter components and materials e.g. the electrodes, separators and electrolytes etc can be sorted and collected by individual types for further usage, which helps in achieving higher recycling rate, lower costs and better pollution control.

POLYMER-PARTICLE GRADIENT ELECTROLYTES, METHODS OF MAKING SAME, AND USES THEREOF

Publication No.:  WO2025151499A1 17/07/2025
Applicant: 
CORNELL UNIV [US]
CORNELL UNIVERSITY
WO_2025151499_PA

Absstract of: WO2025151499A1

Polymer-particle gradient electrolytes, methods of making polymer-particle gradient electrolytes, and uses thereof. In various examples, a polymer-particle gradient electrolyte comprises a gradient or gradients of metal oxide particles, which may be between a surface of a cathode and an anode of a device, disposed in a polymeric material. In various examples, a polymer-particle gradient electrolyte is made by allowing a gradient of metal oxide particles to form in or forming a gradient in a precursor mixture and polymerizing monomers in the precursor mixture, which may be carried out in situ in a precursor device. In various examples, a device, such as, for example, an electrochemical device, e.g., a battery, which may be a solid-state battery, comprises one or more polymer-particle gradient electrolyte(s).

CURTAILING BATTERY INSTABILITY

Publication No.:  WO2025151370A1 17/07/2025
Applicant: 
ENOVIX CORP [US]
ENOVIX CORPORATION
WO_2025151370_PA

Absstract of: WO2025151370A1

The present inventions relate to methods, systems, apparatuses, controllers, software, and composition of matter associated with curtailing (e.g., preventing) adverse effect(s) relating to a battery cell such as occurring during its lifetime. The adverse effects may be associated with a triggering event (e.g., a melting temperature) affecting at least one material of the battery cell, or of a battery comprising the battery cell. The at least one material may be an insulating material.

SECONDARY BATTERY MANUFACTURING SYSTEM

Publication No.:  WO2025150985A1 17/07/2025
Applicant: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2025150985_A1

Absstract of: WO2025150985A1

According to exemplary embodiments, a method for managing cell tracking data is provided. The method comprises the steps of: loading cell tracking data including an unrecognized jelly roll ID and a jelly roll ID adjacent to the unrecognized jelly roll ID, wherein the jelly roll ID is used to distinguish jelly rolls which are wound structures of a positive electrode, a negative electrode, and a separator; and restoring the unrecognized jelly roll ID on the basis of the jelly roll ID.

SOLID ELECTROLYTE AND ALL-SOLID-STATE BATTERY COMPRISING THE SAME

Publication No.:  WO2025150655A1 17/07/2025
Applicant: 
SAMSUNG ELECTRO MECH CO LTD [KR]
SAMSUNG ELECTRO-MECHANICS CO., LTD
WO_2025150655_PA

Absstract of: WO2025150655A1

The present disclosure relates to a solid electrolyte that is a composite including a first glass ceramic compound and a second glass ceramic compound.

TOXIC GAS INHIBITOR FOR SECONDARY-BATTERY FIRE, TOXIC GAS INHIBITING MEMBER FOR SECONDARY-BATTERY FIRE, AND SECONDARY BATTERY

Publication No.:  WO2025150590A1 17/07/2025
Applicant: 
TL CO LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uD2F0\uC5D8
WO_2025150590_PA

Absstract of: WO2025150590A1

A toxic gas inhibitor for a fire, according to an embodiment of the present invention, comprises: at least one first material having decomposition onset temperatures; and a second material mixed with the first material to bind the first material, wherein the first material is decomposed, when reaching the decomposition onset temperatures, thereby detoxifying toxic materials generated during a secondary-battery fire.

SOLID ELECTROLYTE SLURRY AND PREPARATION METHOD THEREFOR

Publication No.:  WO2025150617A1 17/07/2025
Applicant: 
SAMSUNG SDI CO LTD [KR]
\uC0BC\uC131\uC5D0\uC2A4\uB514\uC544\uC774 \uC8FC\uC2DD\uD68C\uC0AC
WO_2025150617_PA

Absstract of: WO2025150617A1

The present invention relates to a solid electrolyte slurry and a preparation method therefor, and, more specifically, the method comprises: preparing a slurry mixture by mixing a solid electrolyte, a binder and a solvent; performing primary kneading on the slurry mixture in which the solid amount has adjusted to 65-80 wt%; injecting a solvent into the slurry mixture in which the primary kneading has been completed; and performing secondary kneading on the slurry mixture in which the solid amount has been adjusted to 55-65 wt%.

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

Publication No.:  WO2025150642A1 17/07/2025
Applicant: 
SAMSUNG SDI CO LTD [KR]
\uC0BC\uC131\uC5D0\uC2A4\uB514\uC544\uC774\uC8FC\uC2DD\uD68C\uC0AC
WO_2025150642_PA

Absstract of: WO2025150642A1

Disclosed are: a composite positive electrode active material including a core and a shell disposed on at least a portion of the core, wherein the core includes a composite of Li2S, a first ionic compound, and a first carbon-based material, and the shell includes an organic filler, the organic filler including a second ionic compound, a polymer, a phosphorus (P)-containing compound, or a combination thereof; a positive electrode including same; and an all-solid secondary battery including same.

APPARATUS AND METHOD FOR DIAGNOSING BATTERY

Publication No.:  WO2025150819A1 17/07/2025
Applicant: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2025150819_A1

Absstract of: WO2025150819A1

An apparatus for diagnosing a battery, according to one embodiment of the present invention, comprises: a profile acquisition unit for acquiring a differential profile indicating a correspondence relationship between a voltage and a differential capacity of a battery; and a control unit, which determines a first target peak from among a plurality of peaks included in the differential profile, determines a voltage pattern of the first target peak on the basis of a voltage profile indicating a time series change of the first target peak, and diagnoses the state of the battery according to the determined voltage pattern.

CELL MODULE ASSEMBLY, BATTERY PACK, AND ENERGY STORAGE SYSTEM

Publication No.:  WO2025150872A1 17/07/2025
Applicant: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2025150872_PA

Absstract of: WO2025150872A1

A cell module assembly according to an embodiment of the present invention comprises: a battery cell stack in which a plurality of battery cells are stacked; a bus bar housing disposed on the side which electrode leads of the battery cells face; an inter connection board (ICB) disposed in the bus bar housing and comprising a printed circuit board (PCB) having at least one device to transmit data between the battery cells and a battery management system (BMS), and a sensing cable connector to which a sensing cable is coupled; and a connector cover covering the sensing cable connector and the outer surface of a connector pin of the sensing cable.

METHOD FOR PRODUCING NEGATIVE ELECTRODE COMPOSITION FOR SECONDARY BATTERY

Publication No.:  WO2025150880A1 17/07/2025
Applicant: 
SK ON CO LTD [KR]
\uC5D0\uC2A4\uCF00\uC774\uC628 \uC8FC\uC2DD\uD68C\uC0AC
WO_2025150880_PA

Absstract of: WO2025150880A1

A method for producing a negative electrode active material for a secondary battery according to exemplary embodiments of the present invention comprises the steps of: introducing a negative electrode active material powder and a first binder powder into a mixer; introducing a first solvent into the mixer and performing first mixing to form a preliminary negative electrode composition; and after the formation of the preliminary negative electrode composition, introducing a second binder powder into the mixer and performing second mixing to form a negative electrode composition.

METHOD FOR PREPARING NEGATIVE ELECTRODE COMPOSITION FOR SECONDARY BATTERY

Publication No.:  WO2025150878A1 17/07/2025
Applicant: 
SK ON CO LTD [KR]
\uC5D0\uC2A4\uCF00\uC774\uC628 \uC8FC\uC2DD\uD68C\uC0AC
WO_2025150878_A1

Absstract of: WO2025150878A1

A method for preparing a negative electrode active material for a secondary battery according to exemplary embodiments of the present disclosure comprises a step of mixing a first binder containing at least one of carboxymethyl cellulose including an acyclic hemiacetal functional group and a salt thereof, and a second binder containing at least one of carboxymethyl cellulose including no acyclic hemiacetal functional group and a salt thereof, wherein the weight average molecular weights of the first and second binders are 300,000 g/mol (exclusive) to 3,500,000 g/mol (exclusive).

BATTERY DIAGNOSIS DEVICE, BATTERY DIAGNOSIS METHOD, AND BATTERY DIAGNOSIS SYSTEM

Publication No.:  WO2025150869A1 17/07/2025
Applicant: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2025150869_PA

Absstract of: WO2025150869A1

According to some embodiments, a battery diagnosis device includes: a data management unit configured to collect an electrical signal data set of a welding process for forming an electrode tab in a plurality of sample battery cells and collect a fracture energy data set of a fracture experiment for measuring tensile strength while separating the electrode tab from the plurality of sample battery cells; and a control unit configured to generate a fracture energy estimation model for estimating fracture energy values corresponding to electrical signal values on the basis of the electrical signal data set and the fracture energy data set, and estimate fracture energy values corresponding to electrical signal values of a target battery cell by using the fracture energy estimation model.

BATTERY PACK AND OPERATING METHOD THEREOF

Publication No.:  WO2025150865A1 17/07/2025
Applicant: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2025150865_PA

Absstract of: WO2025150865A1

A battery pack according to one embodiment disclosed in the present document comprises: a first module including a plurality of battery cells; a second module connected in series to the first module and disposed in a first direction from the first module; and a third module connected in series to the second module and disposed in the first direction from the second module, wherein the first module, the second module and the third module have capacities that differ from each other.

HIGH-DONICITY ANIONS FOR RECHARGEABLE POTASSIUM SUPEROXIDE/PEROXIDE BATTERIES

Publication No.:  WO2025151421A1 17/07/2025
Applicant: 
OHIO STATE INNOVATION FOUND [US]
OHIO STATE INNOVATION FOUNDATION
WO_2025151421_PA

Absstract of: WO2025151421A1

Disclosed herein is a rechargeable battery, the rechargeable battery including a cathode, an anode comprising a metal, where the metal of the anode forms a metal-ion of a superoxide-peroxide redox pair, and an electrolyte, where the electrolyte includes a non-aqueous solvent, a first electrolyte salt, and a second electrolyte salt, where the second electrolyte salt comprises an anionic moiety and a solvent moiety, and where the solvent moiety is covalently coupled to the anionic moiety. Also disclosed are methods of making the same.

BATTERY PACK

Publication No.:  WO2025150928A1 17/07/2025
Applicant: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2025150928_PA

Absstract of: WO2025150928A1

According to exemplary embodiments, a battery pack is provided. The battery pack comprises: a pack housing including a base plate and side walls; a plurality of battery cell assemblies arranged on the base plate; a plurality of first thermal interface material (TIM) layers interposed between the plurality of battery cell assemblies and the pack housing; a lead coupled to the side walls; and second TIM layers interposed between the lead and the plurality of battery cell assemblies, wherein each of the plurality of battery cell assemblies comprises a plurality of battery cells arranged along a first direction, and a plurality of cooling fins interposed between the plurality of battery cells and having an L-shape.

POSITIVE ELECTRODE AND MANUFACTURING METHOD THEREFOR

Publication No.:  WO2025150888A1 17/07/2025
Applicant: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2025150888_PA

Absstract of: WO2025150888A1

The present invention relates to a positive electrode and a manufacturing method therefor. The positive electrode includes, as a positive electrode active material, lithium manganese iron phosphate having an olivine structure, and thus exhibits high structural stability. In addition, since the lithium manganese iron phosphate is doped and/or substituted with one or more metals to enable easy control of particle size distribution, the positive electrode including same has advantages of excellent rolling density and excellent energy density.

ELECTROLYTE INJECTION AND IMPREGNATION DEVICE AND METHOD THEREFOR

Publication No.:  WO2025150933A1 17/07/2025
Applicant: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2025150933_PA

Absstract of: WO2025150933A1

The present invention provides an electrolyte injection and impregnation device (10) comprising: a seating part (100) on which a plurality of battery cells (50) are seated; a plurality of hoppers (200) respectively connected to the plurality of battery cells (50) seated on the seating part (100); an electrolyte supplier (300) connected to the plurality of hoppers (200); and a pressure reducing source (P1) and a pressure increasing source (P2) which are connected to the plurality of hoppers (200). Through the plurality of hoppers (200), an electrolyte is injected into the plurality of battery cells (50), and the inside of the plurality of battery cells (50) can be reduced to a pressure lower than atmospheric pressure and increased to a pressure greater than atmospheric pressure.

APPARATUS FOR MANUFACTURING SECONDARY BATTERY AND METHOD FOR MANUFACTURING SECONDARY BATTERY

Publication No.:  WO2025150932A1 17/07/2025
Applicant: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2025150932_PA

Absstract of: WO2025150932A1

The technical idea of the present invention provides an apparatus for manufacturing a secondary battery, wherein the apparatus is configured to manufacture an electrode assembly and the electrode assembly comprises: a folding device including multiple unit cells stacked in a first direction, and a separation film sheet wound to cover an upper surface, a bottom surface, a first side surface, and a second side surface of each of the multiple unit cells; a cutting device configured to cut a first side portion of the separator sheet to form a first cutting area extending in a second direction in the separation film sheet; and a taping device configured to attach tape connecting two portions of the separation film sheet separated by the first cutting area to the separation film sheet.

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

Nº publicación: WO2025150950A1 17/07/2025

Applicant:

IUCF HYU INDUSTRY UNIV COOPERATION FOUNDATION HANYANG UNIV [KR]
\uD55C\uC591\uB300\uD559\uAD50 \uC0B0\uD559\uD611\uB825\uB2E8

WO_2025150950_PA

Absstract of: WO2025150950A1

According to embodiments of the present invention, by replacing oxygen (O), which is a monoanion included in a coating layer, with a polyanion (P-O) including phosphorus (P), conventional metal materials can be replaced, and the electrochemical safety of an all-solid-state battery can be improved.

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