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BATTERY MODULE

Resumen de: WO2024022727A1

The invention relates to a battery module (1) having a plurality of individual battery cells (3) in a housing (2), having an integrated module heating facility (60), the module heating facility (60) being formed by an electrically conductive and resistive material (6) arranged in an electrical circuit together with a switching element (9). The battery module according to the invention is characterized in that the module heating facility (60) is formed from a foamed material (6), which fixes the individual battery cells (3) in the housing (2). In addition, the invention relates to a method for heating a battery composed of battery modules (1) of this type, in which battery pulse-width-modulated control according to the required thermal energy is carried out by way of the respective switching elements (9) of the respective battery modules (1).

PRESSURE EQUALIZING DEVICE

Resumen de: CN119731843A

The invention relates to a pressure compensation device (20) for compensating for an internal pressure in a receiving housing, in particular a battery housing, of an electrochemical or electronic device, having a housing (20.3) which has at least one ventilation opening (20.4) which forms a gas-permeable connection between an inner side (20.1) and an outer side (20.2) of the housing (20.3), the ventilation opening (20.4) is blocked by means of a gas-permeable or gas-tight membrane (40), and wherein a rupture element (30) is assigned to the membrane (40), which rupture element is designed and positioned in such a way that, when the membrane (40) is deformed in the direction of the outer side (20.2), it is broken at least at one point under the action of the rupture element (30) in order to provide a flow connection from the inner side (20.1) to the outer side (21.1) via the ventilation opening (26.2). In order to enable a reproducible rupture behavior in such a pressure compensation device in a simple manner, it is provided according to the invention that the membrane (40) is connected, in particular integrally connected, to the rupture element (30) with its membrane inner side (42) facing the inner side (20.1) of the housing (20.3).

A CONTROL ARRANGEMENT FOR AN AEROSOL PROVISION DEVICE

Resumen de: EP4563027A1

A control arrangement 114 for use with an aerosol provision device 102 comprising an energy storage device 106. The control arrangement 114 is configured to determine a property of the energy storage device 106; and change a parameter of a charging cycle of the energy storage device 106 based on the determined property.

FUNCTIONALIZED CROWN ETHERS FOR LITHIUM-ION BATTERIES

Resumen de: AU2023312894A1

An electrolyte containing functionalized crown ethers suitable for use in electrochemical energy storage devices useful for reducing battery resistance, increasing cycle life, and improving high-temperature performance is disclosed.

MODIFIED DOPO-BASED BATTERY ELECTROLYTES

Resumen de: CN119605010A

The invention discloses a DOPO-based molecule and a preparation method thereof. An aprotic organic solvent; and a metal salt electrolyte and an electrochemical energy storage device containing the electrolyte.

SMART BATTERY

Resumen de: TW202418703A

Aspects of the present disclosure involve a smart battery for mobile devices, or otherwise, that incorporate a more sophisticated charge (and in some instances discharge) techniques that provide an integrated intelligence, which may involve processing capability and/or memory, to facilitate sophisticated and more effective charging techniques as compared to other charging schemes. The benefits of such charging techniques include faster charging rates, slower battery degradation, enhanced capacity, enhanced capacity maintenance, improved temperature operation, and/or others. Moreover, the integrated intelligence may facilitate the adaptation of new battery arrangements for a mobile device where conventionally a mobile device can only operate with the battery to which it was designed, leaving no option for upgrading battery technology. In one implementation, a smart battery module is provided with some form of integrated intelligence in which functional units of a charging circuit are positioned between the mobile device and the battery unit itself.

BINDER FOR COATING A SECONDARY BATTERY SEPARATOR AND A SECONDARY BATTERY COMPRISING THE SAME

Resumen de: EP4563651A1

Disclosed are a binder for coating a secondary battery separator and a secondary battery separator and a secondary battery each including the binder, wherein the binder contains a mixture of: copolymer A derived from a (meth)acrylamide-based monomer, N-vinylpyrrolidone, and a (meth)acrylic acid monomer and containing a carboxyl functional group; and copolymer B derived from a (meth)acrylamide-based monomer, N-vinylpyrrolidone, and a (meth)acrylate-based monomer and containing an alcohol functional group.

SYSTEM AND METHOD FOR THERMALLY MANAGING AN ELECTRICAL ENERGY STORAGE DEVICE OF A MOTOR VEHICLE

Resumen de: CN119630544A

The invention relates to a management system and method for simultaneously performing a simplified heat treatment process on an electrical energy storage device (2) and a passenger compartment of a vehicle (1) by means of a common refrigerant circuit (101), while ensuring that the heat treatment process on the storage device (2) is simplified and scalable in order to minimize the impact on the cooled passenger compartment, and thereby ensuring an optimal comfort for a user of the vehicle (1).

EVAPORATION SOURCE, MATERIAL DEPOSITION APPARATUS, AND METHOD OF DEPOSITING MATERIAL ON A SUBSTRATE

Resumen de: CN119604642A

An evaporation source (100) for depositing a material on a substrate (10) is described herein. The evaporation source (100) comprises a crucible (110) for evaporating a material. Further, the evaporation source (100) comprises a distributor (120) in fluid communication with the crucible (110). The dispenser (120) comprises a temperature control system (121) for controlling the temperature of the dispenser (120) at a temperature Td. The temperature Td is equal to or higher than the melting temperature Tmelt of the material and lower than the evaporation temperature Tevp of the material (Tmelt < = Tdlt; Tevp).

PROCESSING APPARATUS FOR PROCESSING A FLEXIBLE SUBSTRATE AND METHODS THEREFOR

Resumen de: CN119585462A

A processing apparatus (100) for processing a flexible substrate (10) is described. The processing apparatus (100) comprises a vacuum processing chamber (110) comprising at least one deposition source (111) for depositing a layer of material on a flexible substrate (10). Further, the processing apparatus (100) comprises a post-processing chamber (120), the post-processing chamber comprising a post-processing roller (130) and a gas supply (140). The post-processing roller (130) has a substrate facing surface (131) that includes a plurality of gas outlets (132). The gas supply (140) is connected to the post-processing roller (130) to provide gas through the plurality of gas outlets (132) into a gap between the flexible substrate and the substrate-facing surface (131).

PROCESS FOR TREATMENT OF A SODIUM SULFATE CONTAINING RESIDUE PROCESS STREAM OF A BATTERY PROCESS

Resumen de: AU2023316256A1

The present invention relates to a method for producing a potassium sulfate containing fertilizer composition from a sodium sulfate containing residue process stream of a battery production process or a battery recycling process, wherein the residue process stream is provided from the battery production process or the battery recycling process, wherein the residue process stream is obtained from production of batteries comprising at least sodium and iron (Na, Fe) or obtained from recycling of batteries comprising at least sodium and iron (Na, Fe); optionally water is provided; potassium chloride is provided; and a mixture is provided comprising said optional water, potassium chloride and residue process stream, and is allowed to react, wherein potassium sulfate is obtained.

COMPOSITION OF MATTER FOR THE CONVERSION OF BIOCHAR INTO LOW SURFACE AREA GRAPHITE

Resumen de: MX2025000348A

The present disclosure relates to composition of matter for a feedstock suitable for graphitization. In particular, the present disclosure relates to composition required for taking non-graphitizable carbon materials and producing a graphite product with preferred properties.

BATTERY MANAGEMENT DEVICE AND OPERATING METHOD THEREOF

Resumen de: EP4564032A1

A battery management apparatus according to an embodiment disclosed herein includes a communication unit configured to transmit a first signal to a battery cell, a switch configured to connect the communication unit to the battery cell, and a controller configured to control an operation of the switch, receive a second signal corresponding to the first signal, and diagnose a state of the battery cell based on the second signal.

SOLID ELECTROLYTE AND METHOD FOR PREPARING SAME

Resumen de: EP4564508A1

Disclosed are a solid electrolyte and a method for preparing the same, the solid electrolyte includes sulfide-based solid electrolyte particles and the lithium-metal-oxide on the surface of the particles, wherein in an X-ray diffraction (XRD) analysis of the solid electrolyte, a full width at half maximum (FWHM) of a main peak is less than or equal to 0.160.

METHOD FOR PRODUCING BATTERY

Resumen de: EP4564496A1

According to one embodiment of the present invention, there is provided a method of manufacturing a battery, the method including: preparing a first electrode member that includes a first collector and a first layer including a first active material; preparing a second electrode member that includes a second collector and a second layer including a second active material; covering the first layer of the first electrode member with a separator; fixing the separator that covers the first layer of the first electrode member; directing the separator to the second electrode member by turning the first electrode member and the separator while the separator that covers the first layer of the first electrode member is fixed; and laminating the separator directed to the second electrode member and the second electrode member to form a structure including the first collector, the first layer, the separator, the second layer, and the second collector in this order.

METHOD FOR MANUFACTURING ELECTRODE LAMINATE, ELECTROCHEMICAL ELEMENT, AND METHOD FOR MANUFACTURING ELECTROCHEMICAL ELEMENT

Resumen de: EP4564584A1

Provided is an electrochemical device having a low internal resistance and a reduced variation in the internal resistance. Also provided is a method for producing an electrode stacked body that is able to prevent the occurrence of a short circuit during assembly of an electrochemical device, an electrochemical device that includes an electrode stacked body produced by the above production method, and a method for producing the electrochemical device.An electrochemical device in the first aspect of the present invention includes an electrode stacked body including a first electrode, an isolation layer, and a second electrode, and a porous metal layer interposed between the electrode stacked body and a conductive path of an exterior body. The electrode stacked body is pressed against the porous metal layer by a pressing member. The second aspect of the present invention relates to a method for producing an electrode stacked body including a first electrode and/or a second electrode having an electrode mixture layer and a sheet-type current collector. The sheet-type current collector is formed by adjusting the amount of compression of a porous base material to satisfy s - t < a + b, where s represents the thickness of the porous base material before the compression, t represents the thickness of a portion of the porous base material after the compression, which faces the electrode mixture layer, a represents the thickness of the electrode mixture layer, and b represents the t

A CELL HOLDER FOR A BATTERY HOUSING OF AN ELECTRICAL VEHICLE OR A POWER TOOL

Resumen de: WO2024022584A1

A cell holder (1) for a battery housing of an electrical vehicle, in particular an electrical bike, or a power tool comprising a body (2), and at least two elements (3, 4) compensating dimensional tolerance of a battery housing. Said elements (3, 4) compensating dimensional tolerance of a battery housing and the body (2) form a monolithic structure. Furthermore, said elements (3, 4) compensating dimensional tolerance of a battery housing are configured to have lower bending stiffness, such that they can be bent when said cell holder (1) is placed inside a battery housing thereby compensating dimensional tolerance of the battery housing.

ROLLED BATTERY SHEET RECYCLING

Resumen de: WO2024023541A1

The disclosure notably relates to a method for recycling a rolled sheet of a battery, the sheet comprising one or more layers including one or more metallic layers, each metallic layer respectively having a coating of a precursory element. The precursory element of the coating of at least one metallic layer is precursory ink. The method comprises unrolling the sheet and brushing each metallic layer for which the coating is precursory ink to separate the respective precursory ink. This forms an improved solution for recycling a rolled sheet of a battery.

BINDER COMPOSITION FOR NONAQUEOUS SECONDARY BATTERY ELECTRODES, SLURRY COMPOSITION FOR NONAQUEOUS SECONDARY BATTERY ELECTRODES, ELECTRODE FOR NONAQUEOUS SECONDARY BATTERIES, AND NONAQUEOUS SECONDARY BATTERY

Resumen de: EP4564482A1

Provided is a binder composition for a non-aqueous secondary battery electrode that has good tackiness and that enables the formation of an electrode for a non-aqueous secondary battery having excellent peel strength. The binder composition for a non-aqueous secondary battery electrode contains a particulate binder and water. A ratio of an average particle diameter Da of the particulate binder measured by dynamic light scattering at pH 8.0 relative to a volume-average particle diameter Db of the particulate binder measured by laser diffraction/scattering is within a specific range. When viscosity of the binder composition at pH 6.0 and viscosity of the binder composition at pH 8.0 as measured under specific conditions are respectively taken to be η1 and η2, a viscosity increase rate, which is calculated by formula (I): viscosity increase rate = {(η2 - η1)/η1}, is within a specific range.

NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERIES, METHOD FOR PRODUCING NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERIES, AND LITHIUM-ION SECONDARY BATTERY

Resumen de: EP4564476A1

A negative electrode active material is provided for a lithium ion secondary battery. The negative electrode active battery is represented by a general formula: Li₄Ti₅O_12-xM_x wherein the x satisfies 0<x<12, and the element M is an element having an electronegativity lower than that of oxygen.

SECONDARY BATTERY

Resumen de: EP4564452A1

A secondary battery includes a positive electrode, a negative electrode, and an electrolyte. The negative electrode contains a negative electrode active material. The negative electrode active material contains a silicon-containing material and a graphite material. The single particle fracture strength of the graphite material is in a range of 10 to 40 MPa, and the single particle fracture strength of the silicon-containing material is in a range of 350 to 550 MPa. A secondary battery having a high capacity retention rate after charge-discharge cycles can be thus provided.

BINDER COMPOSITION FOR NONAQUEOUS SECONDARY BATTERY ELECTRODE, SLURRY COMPOSITION FOR NONAQUEOUS SECONDARY BATTERY ELECTRODE, ELECTRODE FOR NONAQUEOUS SECONDARY BATTERY, AND NONAQUEOUS SECONDARY BATTERY

Resumen de: EP4564483A1

Provided is a binder composition for a non-aqueous secondary battery electrode that has good tackiness and that enables the formation of an electrode for a non-aqueous secondary battery having excellent peel strength. The binder composition for a non-aqueous secondary battery electrode contains a particulate binder and water. The particulate binder includes a polymer (A) including a (meth)acrylic acid ester monomer unit. A ratio of an average particle diameter Da of the particulate binder measured by dynamic light scattering at pH 8.0 relative to an average particle diameter Da of the particulate binder measured by dynamic light scattering at pH 6.0 is within a specific range.

COVER PLATE ASSEMBLY, BATTERY CELL, AND BATTERY PACK

Resumen de: EP4564545A1

A cover plate assembly (100), a battery cell, and a battery pack are provided. The cover plate assembly (100) includes a cover plate body (10) provided with a through hole; an outer conductive member (20) disposed on a side of the cover plate body (10) away from an electrode assembly and including a first metal layer (21), a second metal layer (22), and a third metal layer (23) disposed between the first metal layer (21) and the second metal layer (22). The third metal layer (23) is respectively connected to the first metal layer (21) and the second metal layer (22) to form a first composite layer and a second composite layer. The first composite layer includes a first metal and a third metal. The second composite layer includes a second metal and the third metal.

Method of discharging lithium-ion batteries

Resumen de: PL446950A1

Przedmiotem zgłoszenia jest sposób rozładowywania baterii litowo-jonowych, w którym następuje kolejno całkowite zanurzenie baterii litowo-jonowej w wannie (1) z 10% roztworem węglanu sodu, którego przewodność elektryczna wynosi od 65 do 85 mS/cm, przy czym etap ten trwa 24 h, następnie przełożenie i całkowite zanurzenie baterii litowo-jonowej do wanny (2) zawierającej 10% roztwór wodorotlenku sodu, którego przewodność elektryczna wynosi od 320 do 390 mS/cm, przy czym etap ten trwa od 72 do 336 godzin.

SEALING APPARATUS AND SECONDARY BATTERY SEALING METHOD

Nº publicación: WO2025110731A1 30/05/2025

Solicitante:

LG ENERGY SOLUTION LTD [KR]
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