Alerta

METHOD AND ARRANGEMENT FOR INLINE GAS ANALYSIS MEASUREMENTS IN A FORMATION PROCESS FOR SECONDARY CELLS

Resumen de: WO2025132885A1

The present disclosure generally pertains to production of rechargeable battery cells, commonly called secondary cells. More specifically, the disclosure relates to inline gas analysis measurements in a formation process for secondary cells. According to a first aspect the disclosure relates to an arrangement 2 for inline gas analysis measurements in a formation process for secondary cells 1. The arrangement 1 comprises a gas analysis container 22, a plug extraction mechanism 21, and a gas analyser 27. The gas analysis container comprising a sample inlet 23 designed to form fluid tight connection to an opening 12 of a secondary cell 1 to be tested, and an outlet 26. The plug extraction mechanism designed to pull a plug 11 arranged to seal the opening 12, while the opening 12 is connected to the sample inlet 23 of the gas analysis container 22, whereby formation gas residing inside the analysis container 22 is exhausted through the opening 12 and flows into the gas analysis container 22. The gas analyser 27 arranged to be connected to the outlet 26 of the gas analysis container, whereby gas spectra of the formation gas in the analysis container can be analysed. The disclosure also pertains to a corresponding method.

A TERMINAL ASSEMBLY AND A VENTING ARRANGEMENT FOR A SECONDARY CELL

Resumen de: WO2025132877A1

There is disclosed herein a venting arrangement (2000, 3000) and a terminal assembly (100, 200, 300) configured to seal an opening (534o) in a casing (534) of a cylindrical secondary cell (4000, 5000), wherein the terminal assembly (100, 200, 300) comprises a venting channel (130, 230, 330), and the venting channel (130, 230,330) is configured to vent gases generated upon a failure of the cylindrical secondary cell (4000, 5000), the venting arrangement (2000, 3000) comprising: the terminal assembly (100, 200, 300), and a failure vent (2100) arranged to block the venting channel (130, 230, 330) and configured to rupture in response to an internal pressure of the cylindrical secondary cell (4000, 5000) exceeding a threshold.

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.

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).

MATERIALS AND METHODS FOR IMPROVING AVERSIVE-AGENT COATING CONDUCTIVITY

Resumen de: WO2025136445A1

Provided are electrochemical cells with at least a portion of the exterior surface coated in a conductive aversive coating to deter children from eating the electrochemical cell. Described are compositions and methods for preparing electrochemical cells with aversive coatings capable of conducting electricity through the coating.

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.

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

Resumen de: WO2025132314A1

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.

ENERGY MANAGEMENT SYSTEM FOR HYBRID BATTERY PACK

Resumen de: WO2025132319A1

An energy management system for a hybrid battery pack (HPB) comprising a high-energy assembly (HE) and a high-power assembly (HP), which are connected through one or more DC/DC converters (Conv, Conv1, Conv2) to one another and/or to a DC bus supplying power to a load, is disclosed, wherein the energy management system is configured to decide, by controlling the power output from the one or more DC/DC converters (Conv, Conv1, Conv2), how large a share of the total power delivered from the hybrid battery pack (HPB) is delivered by the high-energy assembly (HE) and by the high-power assembly (HP), respectively, wherein the energy management system is configured to switch between two or more modes of operation (MO-1, MO-2, MO-3, MO-4), with each of which a specific control criterion (CC-1, CC-2, CC-3) is associated, wherein the two or more modes of operation (MO-1, MO-2, MO-3, MO-4) are ranked in a hierarchy of priority depending on the importance of their respective associated control criteria (CC-1, CC-2, CC-3), and wherein the energy management system is arranged to operate in the highest ranking mode of operation (MO-1, MO-2, MO-3, MO-4), for which the associated control criterion (CC-1, CC-2, CC-3) is fulfilled. Furthermore, a hybrid battery pack (HPB) controlled by such an energy management system and an electric vehicle comprising such a hybrid energy pack are disclosed.

BATTERY HOUSING WITH HEAT INSULATION PROPERTIES

Resumen de: WO2025132340A1

The present invention relates to a battery housing comprising an structural layer and an inner layer wherein the inner layer comprises a polyurethane coating, the polyurethane coating is obtainable by mixing (a) one or more organic polyisocyanates, (b) one or more compounds having at least two isocyanate-reactive hydrogen atoms, comprising polyetherpolyol (b1), (c) one or more catalysts, (d) 30 to 90 wt.-% based on the total weight of components a) to e), of solid flame retardant, and optionally fillers and/or polyurethane additives, to give a reaction mixture and allow the reaction mixture to cure. The present invention further relates to a method for the production of a battery housing according to the invention and a battery comprising a battery housing according to the present invention.

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.

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

Resumen de: US2025210693A1

Disclosed is a solid electrolyte membrane, a method for manufacturing the same, and an all-solid-state battery containing the same. More specifically, the solid electrolyte membrane includes a first solid electrolyte layer and a second solid electrolyte layer stacked adjacent to each other, and the first solid electrolyte layer has a structure in which particulate binders are dispersed, and the second solid electrolyte layer has a structure in which fibrous binders are entangled or connected to each other, and thus the strength may be improved without lowering the ionic conductivity of the solid electrolyte membrane. The solid electrolyte membrane may be substantially free of solvent.

METHOD FOR FORMING A BATTERY UNIT, AND BATTERY UNIT

Resumen de: WO2025132255A1

The aim of the invention is to provide a method for forming a battery unit, by means of which method simple production of the battery unit is made possible and by means of which a battery cell of the battery unit is securely accommodated. This aim is achieved by the method comprising the following steps: introducing a battery cell into an interior of a housing and positioning the battery cell relative to a base element in the interior of the housing, wherein the battery cell is positioned at a distance from the base element by means of a positioning device; providing a functional compound on the base element and/or the battery cell, wherein the functional compound is provided before and/or after the positioning of the battery cell; and forming a connection between the battery cell and the base element by means of the functional compound whilst the positioning device spaces the battery cell from the base element.

METHOD AND UNIT FOR MANUFACTURING A CELL FOR AN ELECTRIC BATTERY

Resumen de: WO2025134064A1

The invention relates to a method (12) for manufacturing a cell for a secondary battery, the method comprising: • - a first operation (O1) of moving a stacking table, wherein the movement is carried out in a first direction of movement; • - a second operation (O2) of unrolling a separator film onto the stacking table, wherein the separator film comprises a first electrode previously positioned thereon; • - a third operation (03) of moving the stacking table in a second direction of movement, opposite the first direction of movement; • - a fourth operation (04) of depositing a second electrode onto the separator film, wherein the second electrode is of opposite polarity to the first electrode; • - a fifth operation (05) of moving the stacking table in the first direction of movement.

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.

DEVICE FOR PRODUCING ELECTRONIC OR OPTOELECTRONIC COMPONENTS OR SOLID-STATE BATTERY LAYERS OR METAL SINGLE- OR MULTILAYERS

Resumen de: WO2025132229A2

The invention relates to a device (1) and a method for producing electronic or optoelectronic components or solid-state battery layers as composite bodies or metal single- or multilayers preferably by means of a chemical vapor deposition or a physical vapor deposition, or a combination thereof, onto a substrate (2), comprising a reactor (3) for receiving the substrate (2), said reactor (3) being paired with at least one heatable storage container (4) for storing metal or at least one metal compound or at least one non-metal or at least one non-metal compound or at least one semiconductor or at least one semiconductor compound (5) in a partially or completely liquefied or evaporated form. At least one line (6) for supplying gas (8a) leads into the at least one storage container (4), and at least one line (7) for discharging a mass flow from the storage container (4) leads out of the at least one storage container (4), wherein the line (6) for supplying gas (8a) connects the storage container (4) to a gas source (8), and the storage container (4) can be or is fluidically connected to the reactor (3) via the at least one line (7) for discharging the mass flow.

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.

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.

BATTERY HOUSING SHELL, BATTERY HOUSING COMPRISING A BATTERY HOUSING SHELL, AND BATTERY COMPRISING A BATTERY HOUSING SHELL

Resumen de: WO2025132185A1

The present invention relates to a battery housing shell (10) for receiving at least one battery component in an receiving volume (1) that is at least partially defined by the battery housing shell (10), wherein the battery housing shell (10) has a channel base surface (11) and a first connection surface (21) that is at least indirectly connected to the channel base surface (11). The battery housing shell (10) has a cover layer (30) that is fluid-tightly connected to the first connection surface (21) such that a channel volume (41) is formed which is defined by the channel base surface (11) and the cover layer (30). A coolant inlet (50) of the battery housing shell (10) and a coolant outlet (60) of the battery housing shell (10) are fluidically connected to the channel volume (41), thereby forming a coolant channel (40), and a cooling surface (31) of the cover layer (30), which cooling surface faces away from the channel volume (41), faces the receiving volume (1) and is designed to contact the battery component. The invention also relates to a battery housing comprising the battery housing shell (10) and to a battery comprising the battery housing shell (10).

LEAK TESTING METHOD AND STATION FOR CONTAINERS AND FILLING METHOD AND LINE FOR SUCH CONTAINERS

Resumen de: WO2025132107A1

A leak testing station (50) for containers (C) accommodated in respective transport pucks (3), characterized in that it comprises a testing carousel (51) that can rotate with continuous motion about a central axis (L) and which comprises a plurality of testing devices (5), each one of which comprises: - a movable bell (53) which is adapted to engage directly the puck (3) so as to form a chamber (67) containing said container (C); - an opening (38) which is in fluid communication with the interior of the puck (3), with the vacuum generation means (54) and with the detection means (55); - inside the bell (53), tracer gas injection means (59) which are adapted to engage, in a gas-tight manner, the intake (30) of the container (C) in the chamber (67).

LITHIUM DISPENSER SYSTEM FOR MANUFACTURING OF AN ELECTRODE

Nº publicación: WO2025137129A1 26/06/2025

Solicitante:

SOLID POWER OPERATING INC [US]
SOLID POWER OPERATING, INC