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BINDER FOR DRY PROCESS ELECTRODE PREPARATION

Resumen de: WO2025132948A1

The present invention relates to a dry composition comprising at least one active material, at least one binder, optionally at least one conductive agent, characterized in that said at least one binder comprises, preferably consists of, a polyamide thermoplastic polymer.

PROCESS AND PRODUCTION PLANT FOR RECOVERING METAL SALTS

Resumen de: WO2025132848A1

The present disclosure relates to a continuous process and a production plant for recovering metal salts from an acidic aqueous solution comprising nickel, cobalt, manganese, and lithium cations.

BATTERY CELL AND METHOD FOR MANUFACTURING A BATTERY CELL

Resumen de: WO2025132710A1

A first aspect of the present disclosure is related to a battery cell (100), comprising: - an electrode stack (110) with two electrode layers, an anode layer and a cathode layer, wherein each electrode layer comprises a current collector (112); - a can (102) with a bottom (104) and a top (106) that comprises the electrode stack (110); - a lid (120) arranged on the top (106) of the can (102); - a lid (120) arranged on the bottom (104) of the can (102); wherein at least one lid (120) comprises one or more elevations (122) oriented towards the electrode stack (110) through which it is directly connected to one or both current collectors (112) of the electrode stack (110).

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.

METHOD FOR SHORT-CIRCUIT TESTING AN ELECTROCHEMICAL STORAGE CELL

Resumen de: WO2025131168A1

The invention relates to a method for short-circuit testing an electrochemical storage cell, comprising the steps of: providing an electrochemical storage cell (1) having an electrolyte (4), freezing the electrochemical storage cell (1) so that the electrolyte (4) becomes non-conducting, applying a measurement voltage, and detecting a short circuit of the electrochemical storage cell (1) as a function of the measurement voltage.

SOC CORRECTION

Resumen de: WO2025131911A1

The invention relates to a battery system (1) comprising: a plurality of battery modules (2), which each have sensors (3) for the sensor-based recording of measurement series of physical quantities of battery cells (5) located in the battery modules (2) and have a battery management system, BMS (4); and an energy management system, EMS (7), which is assigned to the plurality of battery modules (2) and is configured to obtain charge states, SOCs, of each battery module (2-1, 2-n) of the plurality of battery modules (2), which charge states are estimated by the particular BMS (4) and are based on the measurement series, and to operate the plurality of battery modules (2) depending on the estimated SOCs, wherein the battery system (1) is configured to adapt control of the plurality of battery modules (2) using the EMS (7) on the basis of corrected SOCs.

A TOOL AND A METHOD FOR DISASSEMBLING A FIRST AND A SECOND BATTERY MODULE

Resumen de: WO2025132644A1

Method for disassembling a first and a second battery module in an energy storage arrangement, the first (2) and second (3) battery modules each comprising at least one battery pack, wherein the battery pack of the first battery module comprises a first rod (90) extending through a through hole at a transverse side of the battery pack, the method comprising; - providing a separation tool (10) to the laterally outer side of the first battery module, the separation tool comprising a threaded through hole wherein a threaded pusher device (16) is guided; - aligning the threaded pusher device with a second end portion of the first rod and connecting the separation tool to the laterally outer side of the first battery module (2); - rotating the threaded pusher device such that the pushing force from the threaded pusher device moves the first rod inwardly, thereby causing the first battery module (2) to move away from the second battery module (3).

RECYCLED GRAPHITE MATERIAL PURIFICATION PROCESS

Resumen de: WO2025134006A1

The present invention relates to a process for the recovery of purified graphite materials from a recycled graphite concentrate, the process comprising: treating the recycled graphite concentrate in a caustic leach step, the caustic leach step comprising the contact of the recycled graphite concentrate with a sodium hydroxide solution at a temperature of at least 200°C and elevated pressure, and recovering a solid caustic leach product; and treating the solid caustic leach product in an acid leach step, the acid leach step comprising the contact of the solid caustic leach product with an acidic solution, and recovering a solid acid leach product, wherein the solid acid leach product comprises a purified graphite material.

METHOD FOR DETERMINING AN INSTALLATION POSITION OF A BATTERY MODULE IN A BATTERY

Resumen de: WO2025131811A1

The invention relates to a method for determining an installation position of a battery module in a battery. The battery (1) comprises a plurality of battery modules (20), a master-BMS unit (10) and, for each battery module (20), a slave-BMS unit (30). The master-BMS unit (10) and the slave-BMS unit (30) each comprise a radio transceiver. The master-BMS unit (10) is designed to an installation position of a selected slave-BMS unit (30_m) in the battery (1) depending on a first matrix data record and a first number of provided first reference matrix data records. The first matrix data record comprises, for a plurality of frequencies or a plurality of specified frequency channels of a specified frequency band, one or more signal transmission quality parameter values for wireless signal transmission between the selected slave-BMS unit (30_m) and the master-BMS unit (10).

METHOD FOR OPERATING A WIRELESS NETWORK OF A BATTERY MANAGEMENT SYSTEM

Resumen de: WO2025131809A1

A primary network node of a master BMS unit (5) of the battery management system, BMS, and a respective secondary network node of a slave BMS unit (30) of the BMS are configured to communicate with one another using a predefined wireless communication protocol. A matrix of connection quality parameter values is determined depending on provided measured values, wherein the provided measured values each represent a signal quality for a signal received from the primary network node in a respective frequency channel by a respective secondary network node. The frequency channels are classified depending on the connection quality parameter values determined for the frequency channels and the frequency channels assigned to a first group are used for transmission.

METHOD FOR DETERMINING AN INSTALLATION POSITION OF A BATTERY MODULE IN A BATTERY

Resumen de: WO2025131810A1

The battery (1) comprises a plurality of battery modules (20), a master BMS unit (10) and, for each battery module (20), a slave BMS unit (30). The master BMS unit (10) and the slave BMS units (30) each comprise a radio transceiver. The master BMS unit (10) is designed to determine an installation position of a selected slave BMS unit (30_m) in the battery (1) depending on an indicator for a received signal strength. Alternatively, the master BMS unit (10) is designed to send signal strength indicator information to a superordinate computing unit, wherein the signal strength indicator information comprises the indicator for the received signal strength and causes a position determination module of the superordinate computing unit to determine the installation position of the selected slave BMS unit (30_m) in the battery (1) depending on the indicator for the received signal strength.

ELECTRIC ENERGY STORAGE DEVICE AND BATTERY-POWERED ELECTRIC DEVICE

Resumen de: WO2025132854A1

The invention relates to an electric energy storage device comprising a housing, at least one rechargeable battery cell received in the housing and a open- and/or closed-loop control apparatus for controlling, in an open- and/or closed-loop manner, the charging and discharging of the at least one rechargeable battery cell and for monitoring a charging state of same, wherein the electric energy storage device comprises an electric deep discharging apparatus for irreversibly deep discharging the at least one battery cell and wherein the electric deep discharging apparatus is designed independently of the open- and/or closed-loop control apparatus and can be actuated or activated independently of same. The invention further relates to an improved battery-powered device.

CALIBRATING A BATTERY MANAGEMENT SYSTEM

Resumen de: WO2025137220A1

Embodiments in accordance with the present disclosure are directed to calibrating a battery management system (BMS) are disclosed. In a particular embodiment, a computing device generates a first CRC value for a new system configuration file to be uploaded to the BMS and after the new system configuration file is uploaded to the BMS, receives from the BMS, a second CRC value generated by the BMS after the new system configuration file is uploaded to the BMS. The computing device also determines whether the second CRC value from the BMS is identical to the first CRC value generated by the computing device and in response to determining that the second CRC value from the BMS is identical to the first CRC value generated by the computing device, validates the safety related parameter values and intended safety function associated with the safety related parameter values.

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.

CATHODE ACTIVE MATERIAL FOR RECHARGEABLE BATTERIES

Resumen de: WO2025132353A1

The present invention relates to Li-rich Mn-rich cathode active material comprising high- valence transition metal ions, such as Mo, exhibiting high capacity comprising Li, M and O, wherein M comprises: Ni in a molar ratio x, wherein 0.10 ≤ x ≤ 0.50 relative to M; Mn in a molar ratio y, wherein 0.50 ≤ y ≤ 0.80 relative to M; and Mo in a molar ratio z, wherein 0.001 ≤ z < 0.05 relative to M; wherein the molar ratio of Li to M (Li/M) is between 1.00 and 1.60; and wherein the content of Li, Ni, Mn and Mo is measured by ICP-AES, and x+y+z is 1.00.

BATTERY CONTROL UNIT AND HIGH VOLTAGE POWER SUPPLY SYSTEM

Resumen de: WO2025132295A2

The present disclosure relates to a battery control unit and a high voltage power supply system comprising the battery control unit. The battery control unit (100) comprises a switch device (102), and an assembled circuit (130), which is mounted on a circuit board (128). The assembled circuit (130) includes detection circuitry (186), which is configured to detect at least one operational parameter of the switch device (102), processing circuitry (184), which is configured to control the operation of the switch device (102) in accordance with the at least one operational parameter detected by the detection circuitry (186), and a plurality of detection contacts (166, 168, 170, 172, 174, 176, 178, 180, 182) for detecting the at least one operational parameter of the switch device (102). The further battery control unit (100) comprises a bus bar arrangement, which comprises an input bus bar (104), which is conductively coupled to an input terminal of the switch device (102), and an output bus bar (116), which is conductively coupled to an output terminal of the switch device (102), wherein the circuit board (128) is disposed with respect to the bus bar arrangement such that the plurality of detection contacts (166, 168, 170, 172, 174, 176, 178, 180, 182) abut against corresponding contact surfaces being provided on the input bus bar (104) and on the output bus bar (116).

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.

BATTERY POST WELDING

Resumen de: WO2025136485A1

An apparatus arranged for establishing an electrical connection to battery cells is described. The apparatus includes a bushing, a post, and a weld. The bushing has a bushing first portion and a bushing second portion. The post is in physical contact with the bushing. The weld is welded using laser welding and includes bushing material and post material. A weld first portion extends away at least from the bushing. A weld second portion is contiguous to the weld first portion, within the bushing, and over the post. A weld third portion is contiguous to the weld second portion, within the bushing, and surrounding the post. The weld has a first depth measured from the bushing first portion and/or a second depth measured from the bushing second portion. The first depth and/or the second depth meet or exceed a depth minimum threshold.

METHOD FOR LAMINATING A CYLINDRICAL ENERGY-STORAGE CELL

Resumen de: WO2025131162A1

The invention relates to a method for laminating a cylindrical energy-storage cell, comprising the steps of: providing an electrode layer sequence (2) comprising at least an anode, a cathode and a separator; laminating a core region (2) of the electrode layer sequence (1) by connecting a laminate to the core region (2) of the electrode layer sequence (1) under the pressure and the temperature that are produced by a lamination rod (200); and winding the electrode layer sequence (1) to form an electrode coil (120), so that the core region (2) of the electrode layer sequence (1) forms the coil core (190) of the electrode coil (120).

COVER ASSEMBLY, ENERGY-STORAGE CELL, BATTERY MODULE, AND METHOD FOR FILLING AN ENERGY-STORAGE CELL

Resumen de: WO2025131160A1

The invention relates to a cover assembly (140) for a cell housing (110) of an energy-storage cell (100). In the installed state, the cover assembly (140) is designed to allow the cell housing (110) to be filled with an electrolyte (190). The cover assembly (140) has a terminating plate (120) with a securing assembly (200) which has an opening region (220). A first gas barrier (240) is designed to close the opening region (220) in a gas-tight manner prior to the process of filling the cell housing (110) and to be penetrated by a filling element, in order to fill the cell housing (110), such that an opening (221), through which the electrolyte (190) can be filled into the cell housing (110), is formed in the first gas barrier (240). Additionally, a second gas barrier (250) is designed to close the opening (221) in a gas-tight manner after the process of filling the cell housing (110).

METHOD FOR PRODUCING AN ELECTROCHEMICAL STORAGE CELL, AND AN ELECTROCHEMICAL STORAGE CELL

Resumen de: WO2025131161A1

A method for producing an electrochemical storage cell is presented. The method comprises the steps of: providing a flat, substantially circular contact disc (200) having at least two contact segments (201, 202), which each form a circular cutout in the contact disc (200) and are arranged symmetrically around the centre point (204) of the contact disc (200), and wherein between the contact segments (201, 202) circular cutouts (205, 206) are removed from the contact disc (200) and are arranged symmetrically around the centre point (204) of the contact disc (204); arranging an electrode coil (190) in a cylindrical cell housing (110), wherein the electrode coil (190) comprises a series of electrode layers (1); contacting the electrode coil (190) by bringing a peripheral region of the series of electrode layers into contact with a first face of the contact segments (201, 202) of the contact disc (200); and welding the electrode coil (190) to the contact disc by applying welding arcs (209) to a second face (208) of the contact segments (201, 202) that is facing away from the first face of the contact disc (200), wherein the welding arcs (209) are arranged at least partially concentrically around the centre point (204).

SOLID ELECTROLYTE MEMBRANE, METHOD FOR MANUFACTURING THE SAME, AND ALL-SOLID-STATE BATTERY COMPRISING THE SAME

Resumen de: US2025210690A1

Disclosed is a solid electrolyte membrane, a method for manufacturing the same, and an all-solid-state battery including the same. More specifically, the solid electrolyte membrane includes a first solid electrolyte layer including a first solid electrolyte and a first fibrous binder and a second solid electrolyte layer including a second solid electrolyte and a second fibrous binder, stacked adjacent to each other, wherein the weight of the first fibrous binder relative to the total weight of the first solid electrolyte layer is less than the weight of the second fibrous binder relative to the total weight of the second solid electrolyte layer. Since the weight of a first fibrous binder included in the first solid electrolyte layer is less than the weight of the second fibrous binder included in the second solid electrolyte layer, the strength may be improved without lowering the ionic conductivity of the solid electrolyte membrane.

CHARGER FOR A VEHICLE AND METHOD FOR OPERATING THE CHARGER

Resumen de: WO2025131417A1

A charger (100) for a vehicle, wherein at least one first charging circuit (140) and one second charging circuit (150) are connected between an input connection unit (110) and an output connection unit (120), wherein the second charging circuit (150) is connected at the input end to a switching element (160) which is designed to connect the second phase (L2) to the second charging circuit (150) via the input connection unit (110) in a first switch position and to connect a further phase (LW) of a V2L socket (170) to the second charging circuit (150) in a second switch position.

RARE EARTH EXCHANGED ZEOLITES FOR TRAPPING HYDROCARBONS

Resumen de: WO2025136508A1

Electrochemical cells that convert chemical energy into electrical energy and a battery pack or module that contains two or more of these electrochemical cells with each electrochemical cell being formed as a pouch cell, a cylindrical cell, or a prismatic cell. The battery pack or module includes a zeolite material doped with a rare earth metal oxide, with a precious metal oxide, or a combination thereof, such that the zeolite material is configured to trap hydrocarbon vapors or gases. The zeolite material is located either within or external to the pouch cell, cylindrical cell, or prismatic cell.

INCIDENT MANAGEMENT FOR BATTERY ENERGY STORAGE SYSTEM

Nº publicación: WO2025136393A1 26/06/2025

Solicitante:

WAERTSILAE ENERGY STORAGE INC [US]
W\u00C4RTSIL\u00C4 ENERGY STORAGE, INC