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A SPRING, CCU CARRIER AND A BATTERY SYSTEM

Resumen de: EP4657625A1

The present disclosure refers to a spring (100) for a battery system, including a main body (10) having a predefined thickness (T) including a first spring action side portion (12) and a second spring action side portion (14) opposite to the first spring action side portion (12) defining a spring action direction (A). The main body (10) includes a V-shaped opening (20, 20') including a plurality of leg openings (22, 22') penetrating the main body (10) in a thickness direction (y) of the main body (10), wherein the V-shaped opening (20, 20') is oriented so that the plurality of leg openings (22, 22') are symmetric with respect to a central axis (C) of the main body (10) that is parallel to the spring action direction (A). Further, the main body (10) further includes a pair of slot openings (30, 30') penetrating the main body (10) in the thickness direction (y), wherein the pair of slot openings (30, 30') respectively extend from opposite transversal side portions (16, 18) of the main body (10) toward the central axis (C).Further, a cell contact unit, CCU, carrier (200), a battery system (1000) and a method of manufacturing the battery system is provided.

CLIMATE CONTROLLED BATTERY MODULE AND METHOD

Resumen de: WO2024187016A1

A battery module, and associated methods are disclosed. In one aspect, a thermal management system is included with a stack of battery cells that provides both heating and cooling as needed. Aspects are shown that include heat exchangers with circulating media. Aspects are shown that include resistive elements.

METHOD FOR MANUFACTURING AN ALL-SOLID-STATE ELECTROLYTE FOR SECONDARY BATTERIES

Resumen de: CN120530508A

The invention relates to a method for producing a solid electrolyte in the form of a film, comprising the following steps: providing a solution C comprising at least one fluorinated polymer A1, at least one organic solvent A2, at least one alkali metal salt B1 and at least one plasticizer B2; depositing the solution C on a carrier D to form a film; drying the resulting film; characterized in that the at least one organic solvent A2 has a donor number of greater than 4 kcal/mol and a saturated vapor pressure of less than 24 kPa at 20 DEG C; and the at least one plasticizer B2 comprises at least one ionic liquid.

SOLID ELECTROLYTE AND ELECTRODE FOR A SOLID-STATE BATTERY, AND A METHOD FOR PRODUCING THE SAME

Resumen de: WO2024156845A1

The technology of the present disclosure generally relates to the field of power storage devices, and more specifically to a solid electrolyte, an electrode, a solid-state battery, and a method for producing the same. The solid electrolyte of the present disclosure comprises a porous composite network network obtained by a reaction of an alkoxide compound and a polymer precursor compound; wherein the alkoxide compound is selected from the group consisting of silica alkoxide, alumina alkoxide, zirconium alkoxide, and mixtures thereof; wherein the polymer precursor compound comprises two functional end groups of which at least one functional end group is selected from the group consisting of alkoxysilane, alkoxy aluminium, alkoxy zirconium, and combinations thereof; wherein the polymer precursor compound comprises polyethylene glycol (PEG) and/or polytetrahydrofuran (PTHF); wherein the porous composite network is functionalised with an electrolyte comprising an ionically conductive compound in which a metal salt is dissolved; and wherein the porous composite network comprises clay mineral particles, preferably clay mineral nanoparticles.

POLYDIMETHYLSILOXANE WITH HIGH LOADING OF MICA

Resumen de: CN120476176A

The present invention relates to a composition comprising: a) a polyorganosiloxane functionalized with at least two Si-H groups; b) a polyorganosiloxane functionalized with at least two vinyl groups; c) micron-sized mica particles; and d) a hydrosilylation catalyst; wherein the concentration of mica particles is in the range of from 90 parts by weight to 200 parts by weight per 100 parts by weight of polyorganosiloxanes a) and b). The composition according to the invention can be used as a coating material that can be applied to a battery pack housing or cover to prevent the consequences of thermal runaway.

FLAME AND THERMAL BARRIER MATERIALS

Resumen de: CN120603709A

The invention relates to a flame and heat barrier laminate and a device comprising the same. Some laminates have a reinforcement layer comprising fibers, a flame retardant layer having a flammability rating in accordance with UL94 5VA, UL94 5VB, or UL94 V-0, a porous thermal insulation layer, and a heat dispersion layer comprising at least 90% by weight of metal or graphite, wherein the laminate has a thickness of less than or equal to 5 mm.

CABIN PENETRATION MEMBER AND BATTERY PACK

Resumen de: EP4657684A1

Provided are a cabin penetration member and a battery pack. The cabin penetration member is formed with a wire penetration hole that extends through the cabin penetration member and is configured for a wire harness to penetrate through. The wire penetration hole is sealed and filled with colloid. The cabin penetration member includes a blocking portion and a pluggable portion. The blocking portion is configured to be inserted into the cabin penetration hole of the housing of the battery pack. A first end of the pluggable portion in the axial direction of the pluggable portion is protrudingly provided with the blocking portion. The end face of the first end has a colloid coating region disposed around the blocking portion in a circumferential direction of the blocking portion. The colloid coating region is coated with colloid.

FLEXIBLE CIRCUIT BOARD, ELECTRICAL CONNECTION MODULE AND ITS INSTALLATION METHOD, AND POWER BATTERY PACK

Resumen de: EP4658001A1

A flexible circuit board (10), an electric connection module and its installation method, and a power battery pack (1000) are provided. The flexible circuit board (10) includes a first sampling portion (12), a second sampling portion (13) and a main body (11). The main body (11) is connected to the first sampling portion (12) and the second sampling portion (13). At least one of the first sampling portion (12) and the second sampling portion (13) is provided with a sampling point. The main body (11) is provided with a sampling signal output terminal (101). In a use state, at least a portion of the main body (11) is stacked with the first sampling portion (12) and the second sampling portion (13).

BATTERY DISCHARGE CONTROL DEVICE AND METHOD

Resumen de: EP4657705A1

The present disclosure relates to a battery discharge control device and method. The device includes a battery (10), a discharge current sampling unit (30), an MCU (20), a DC-DC voltage step-down unit (40), a battery protection board (50), an indicator light (60) and a charging control unit (70). According to the present disclosure, the discharge current value, on-load voltage value and no-load voltage value of the battery are acquired by means of the MCU, the battery remaining capacity is calculated according to the above discharge current value, on-load voltage value and no-load voltage value, and finally, the output of the DC-DC voltage step-down unit is controlled according to the battery remaining capacity; and therefore, by adjusting the final power supply output of the device, the power supply output of the battery changes with the discharge trend of a lithium battery, electrical equipment can be enabled to obtain stable input, and the battery power can be accurately quantified.

POSITIVE ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, SECONDARY BATTERY AND ELECTRICAL APPARATUS

Resumen de: EP4657556A1

A positive electrode active material and a preparation method therefor, a positive electrode plate, a secondary battery, and a power consuming apparatus are disclosed. The positive electrode active material is a polyanionic compound/carbon composite, and the positive electrode active material has the following general formula: Na4-xR3-yMz(PO4)2P2O7/C, where R includes at least one of Mg, Al, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Zr, Nb, Mo, Sn, Hf, Ta, W, and Pb, M includes at least one of Mg, Al, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Zr, Nb, Mo, Sn, Hf, Ta, Si, W, and Pb, 0≤x≤0.5, 0≤y≤0.5, 0≤z

LASER WELDING TOOLING AND LASER WELDING SYSTEMS

Resumen de: CN120548234A

The invention provides a welding plate and a welding system. The welded plate includes a first portion and a second portion. The first portion includes a plurality of grooves. Each groove includes an elastomer configured to be compressed under the effect of a force and a tip. The proximal end of the tip is in contact with the elastomer. The hardness level of the elastomer is less than a predetermined threshold. The second portion may be mounted to the first portion. The second portion has a plurality of first openings. Each first opening corresponds to a groove. A corresponding tip extends through a corresponding first opening. Each tip is slidably mounted within the welding plate. Each tip has a central opening forming a welding channel.

ELECTRODE COMPOSITES FOR ELECTROCHEMICAL ION SEPARATION FROM AQUEOUS SOLUTIONS, AND METHODS THEREOF

Resumen de: WO2024158739A1

The present disclosure generally relates to flow-through electrodes, for example, for use in the extraction of ions such as lithium ions from a fluid. For example, certain aspects are generally directed to apparatus and methods for extracting lithium using lithium-selective electrodes or other electrodes, e.g., with a compartment. Electricity may be applied to incorporate lithium from a fluid within a compartment into an electrode and/or to remove lithium from an electrode into a fluid within a compartment. In some cases, some or all of the electrodes may allow fluid flow to occur through the electrode. This may allow, for example, improved separation efficiencies, novel device configurations for separating lithium, etc. In addition, in some cases, a plurality of compartments may be present, for example, in a stack. In certain embodiments, fluid may flow between compartments, for example, e.g., passing through one or more electrodes.

METHOD AND APPARATUS FOR ELECTROCHEMICAL ION EXCHANGE

Resumen de: WO2024158739A1

The present disclosure generally relates to flow-through electrodes, for example, for use in the extraction of ions such as lithium ions from a fluid. For example, certain aspects are generally directed to apparatus and methods for extracting lithium using lithium-selective electrodes or other electrodes, e.g., with a compartment. Electricity may be applied to incorporate lithium from a fluid within a compartment into an electrode and/or to remove lithium from an electrode into a fluid within a compartment. In some cases, some or all of the electrodes may allow fluid flow to occur through the electrode. This may allow, for example, improved separation efficiencies, novel device configurations for separating lithium, etc. In addition, in some cases, a plurality of compartments may be present, for example, in a stack. In certain embodiments, fluid may flow between compartments, for example, e.g., passing through one or more electrodes.

PROCESSES AND APPARATUSES FOR ENRICHING SOLUTIONS

Resumen de: WO2024158739A1

The present disclosure generally relates to flow-through electrodes, for example, for use in the extraction of ions such as lithium ions from a fluid. For example, certain aspects are generally directed to apparatus and methods for extracting lithium using lithium-selective electrodes or other electrodes, e.g., with a compartment. Electricity may be applied to incorporate lithium from a fluid within a compartment into an electrode and/or to remove lithium from an electrode into a fluid within a compartment. In some cases, some or all of the electrodes may allow fluid flow to occur through the electrode. This may allow, for example, improved separation efficiencies, novel device configurations for separating lithium, etc. In addition, in some cases, a plurality of compartments may be present, for example, in a stack. In certain embodiments, fluid may flow between compartments, for example, e.g., passing through one or more electrodes.

A SEPARATOR

Resumen de: WO2024158360A1

The invention is to modify the separators, which are also used in other batteries or storage batteries, especially lithium batteries, with two-dimensional materials to improve their capacity conservation and cycle life and to increase the stability of the cathode materials in the system.

BATTERY PACK SHELL, BATTERY PACK AND ELECTRIC DEVICE

Resumen de: EP4657635A1

An electric apparatus includes a battery pack. The battery pack includes a battery pack housing. The battery pack housing includes a tray and a support assembly. An accommodating cavity is formed in the tray. The support assembly is disposed in the accommodating cavity. The support assembly includes a partition member and a support member. The partition member partitions the accommodating cavity into battery mounting space and power distribution space. The support member is located in the power distribution space and is supported between the partition member and a side frame of the tray.

NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4657590A1

The present disclosure relates to a non-aqueous electrolyte comprising a lithium salt, an organic solvent, and an additive, wherein the additive includes a cyclic siloxane compound represented by a specific Formula.

METHOD FOR MANUFACTURING ANODE FOR LITHIUM SECONDARY BATTERY, ANODE MANUFACTURED THEREBY, AND LITHIUM SECONDARY BATTERY COMPRISING ANODE

Resumen de: EP4657554A1

The present invention relates to a method for manufacturing a negative electrode for a lithium secondary battery, the method including: forming a negative electrode by transferring a lithium metal layer to at least one surface of a negative electrode active material layer including a negative electrode active material, a negative electrode conductive material, and a negative electrode binder, in which after the transfer of the lithium metal layer, a maximum temperature on a surface of the negative electrode is 35°C or lower; a negative electrode manufactured by the method, and a lithium secondary battery including the negative electrode, and can reduce the risk of ignition.

BATTERY MANAGEMENT SYSTEM, BATTERY PACK, ELECTRIC VEHICLE, AND BATTERY MANAGEMENT METHOD

Resumen de: EP4657096A1

There are provided a battery management system, a battery pack, an electric vehicle and a battery management method. The battery management system according to the present disclosure includes a sensing unit configured to measure a cell voltage, a cell current, and a negative electrode resistance of a battery cell, and a control unit configured to determine a state of the battery cell based on a measured value of each of the cell voltage, the cell current and the negative electrode resistance.

ELECTRICITY STORAGE DEVICE

Resumen de: EP4657547A1

Provided is a technique to suppresses an increase in a resistance under a low temperature environment. The electricity storage device(100) disclosed herein includes a positive electrode (50), a negative electrode (60), and a nonaqueous electrolytic solution (80). The negative electrode (60) contains a silicon-containing graphite particle as the negative electrode active material, which is a graphite particle containing the silicon. The nonaqueous electrolytic solution (80) contains EC, DMC, EMC, carboxylic acid ester whose carbon number is equal to or less than 4, and FEC, as the nonaqueous solvent. With a sum of the EC, the DMC, the EMC, and the carboxylic acid ester being 100 volume%, a volume of the carboxylic acid ester is 1 volume% to 30 volume%. A content amount of the FEC with respect to a whole of the nonaqueous solvent is 0.1 mass% to 5 mass%.

BATTERY PACKAGE

Resumen de: EP4657611A1

A battery package is disclosed. The battery package of the present invention includes: a pack case; a plurality of battery modules accommodated in an accommodating space of the pack case; a heat sink disposed on a lower plate of the pack case; and a thermal resin disposed between the plurality of battery modules and the heat sink to conduct heat from the plurality of battery modules to the heat sink and converted to an insulation layer by ceramicization during thermal runaway of the plurality of battery modules.

METHOD FOR MANUFACTURING BATTERY PACK, AND BATTERY PACK

Resumen de: EP4657623A1

A method of manufacturing a battery pack (10) includes a step of applying an applied filler (150A) onto at least a portion of a housing body (200), and a step of mounting a battery module (100) on the at least a portion of the housing body (200) via the applied filler (150A). In the step of applying the applied filler (150A), the applied filler (150A) has a pattern including a plurality of folded portions arranged alternately.

METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE POWDER AND APPARATUS FOR PRODUCING SULFIDE SOLID ELECTROLYTE POWDER

Resumen de: EP4657467A1

Disclosed is a method for producing a sulfide solid electrolyte powder, the method comprising: a step of obtaining a starting material mixture by mixing staring materials; a step of synthesizing at least one of a sulfide powder or a sulfide precursor powder from the starting material mixture; a step of obtaining a sulfide solid electrolyte powder by heating the above-described powder in a heating area; a step of transferring the sulfide solid electrolyte powder to a cooling area; and a step of cooling the sulfide solid electrolyte powder in the cooling area, while flowing an inert gas therethrough. With this method for producing a sulfide solid electrolyte powder, the heating area and the cooling area are separated from each other.

VEHICLE USAGE SITUATION ESTIMATION SYSTEM, VEHICLE USAGE SITUATION ESTIMATION METHOD, AND VEHICLE USAGE SITUATION ESTIMATION PROGRAM

Resumen de: EP4657701A1

In a vehicle usage status estimation system (10), a data acquisition unit acquires, while a battery pack (30) currently or previously mounted on an electric vehicle (40) is connected to a charging apparatus (20), time-series battery data covering a period during which the electric vehicle (40) is used from the battery pack (30) via the charging apparatus (20). An SOC transition identification unit identifies a transition of SOC (State Of Charge) of the battery pack (30) since completion of previous charging of the battery pack (30) used in the electric vehicle (40), based on the time-series battery data. A running status estimation unit estimates a running status at a time of use of the electric vehicle (40) by referring to the transition of SOC.

HALTING OPERATION AND PROTECTION OF AN ALUMINUM-AIR BATTERY USING MIXTURES OF WATER AND POLYOLS

Nº publicación: EP4655840A1 03/12/2025

Solicitante:

PHINERGY LTD [IL]
PHINERGY LTD

Resumen de: WO2024157265A1

Systems and methods of operating aluminum-air electrochemical cells are provided, in which, following operation of the electrochemical cell(s), the alkaline electrolyte is removed from the cell(s) and a mixture of water with oxygen-rich organic solvent(s) is introduced to protect the aluminum anodes from corrosion by the electrolyte residues. For example, the cell(s) may be flooded with the mixture and then drained, or the mixture may be circulated through the cell(s). During stand-by, the mixture may be used to flood or to be circulated through the cell(s) and drained, to further enhance the operability of cell(s) during operation.