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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).

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).

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.

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).

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

Resumen de: WO2025136393A1

The invention relates to an incident management system and method for monitoring a battery energy storage system and providing technical information related to an abnormal event in the battery energy storage system to a plurality of different users in different locations and with different requirements. The incident management system comprises one or more processing units configured to receive data from a plurality of sensors, the data encoding measured properties of the battery energy storage system, and process the received data to identify an abnormal event in the battery energy storage system, obtain information about the abnormal event, and determine a current stage of the abnormal event on a pre-defined incident progress timeline, the pre-defined incident progress timeline comprising a plurality of stages. An operator user interface for use by an operator of the battery energy storage system is configured to output information about the abnormal event. A first responder user interface for use by a first responder is configured to output a subset of the information about the abnormal event and output the current stage of the abnormal event on the incident progress timeline.

TERMINAL ADAPTOR

Resumen de: WO2025129644A1

The present disclosure relates to terminal adaptor connectable to a battery, the battery comprising a positive battery terminal and a negative battery terminal each located on a first end face of the battery. The terminal adaptor comprises: an abutment face configured to abut the first end face of the battery in use; and a terminal face opposite the abutment face, the terminal face comprising a positive terminal region and a negative terminal region electrically insulated from the positive terminal region. The positive terminal region is electrically connectable to the positive battery terminal and the negative terminal region is electrically connectable to the negative battery terminal. An insulating element is interposed between the positive terminal region and the negative terminal region to electrically insulate the positive terminal region from the negative terminal region. The insulating element abuts and upstands from the terminal face. The present invention also provides a battery assembly and a kit of parts each comprising the terminal adaptor and the battery, and an aerosol generating apparatus.

METHOD OF CONTROLLING A COATING PROCESS FOR ELECTRODE MANUFACTURING, METHOD FOR ELECTRODE MANUFACTURING, COATING APPARATUS AND ELECTRODE MANUFACTURING SYSTEM

Resumen de: WO2025131317A1

Aspects and embodiments of the present invention provide methods for closed-loop control of apparatus and systems for electrode manufacturing. Particularly, a method of controlling a coating apparatus and a method of controlling an electrode manufacturing system are provided. A closed-loop control method of the coating apparatus, which is preferably based on in-line measurement of quality parameters, and a closed-loop overall control method of the electrode manufacturing system, which is preferably based on in-line measurement of quality parameters, allows for improvements in material and energy efficiency, improved accuracy and reliability in achieving quality, performance and safety targets of an electrochemical energy storage device.

METHOD OF CONTROLLING A SLURRY MIXING PROCESS FOR ELECTRODE MANUFACTURING, METHOD FOR ELECTRODE MANUFACTURING, SLURRY MIXING APPARATUS AND ELECTRODE MANUFACTURING SYSTEM

Resumen de: WO2025131312A1

Aspects and embodiments of the present invention provide methods for closed-loop control of apparatus and systems for electrode manufacturing. Particularly, a method of controlling a slurry mixing apparatus and a method of controlling an electrode manufacturing system are provided. A closed-loop control method of the slurry mixing apparatus which is preferably based on in-line measurement of quality parameters, and a closed-loop overall control method of the electrode manufacturing system which is preferably based on in-line measurement of quality parameters allows for improvements in material and energy efficiency, improved accuracy and reliability in achieving quality, performance and safety targets of an electrochemical energy storage device.

METHOD OF CONTROLLING A POWDER FEEDING PROCESS FOR ELECTRODE MANUFACTURING, METHOD FOR ELECTRODE MANUFACTURING, POWDER FEEDING APPARATUS AND ELECTRODE MANUFACTURING SYSTEM

Resumen de: WO2025131310A1

Aspects and embodiments of the present invention provide methods for closed-loop control of apparatus and systems for electrode manufacturing. Particularly, a method of controlling a powder feeding apparatus and a method of controlling an electrode manufacturing system are provided. A closed-loop control method of the powder feeding apparatus which is preferably based on in-line measurement of quality parameters, and a closed-loop overall control method of the electrode manufacturing system, which is preferably based on in-line measurement of quality parameters, allows for improvements in material and energy efficiency, improved accuracy and reliability in achieving quality, performance and safety targets of an electrochemical energy storage device.

A BATTERY MODULE, A BATTERY PACK, AND A VEHICLE

Resumen de: EP4576336A1

A battery module (1) for a battery pack (100) is disclosed, comprising:- a plurality of battery cells (2), comprising at least one group of stacked prismatic battery cells (21-24) which are stacked next to each other in the longitudinal direction (L),- a first and a second separate longitudinally extending beam member (31, 32) being offset from each other in the width direction (W),- a plurality of separate crossbeam members (41-45) which are offset from each other in the longitudinal direction (L), wherein each crossbeam member extends in the width direction (W) and wherein the plurality of separate crossbeam members (41-45) mechanically connects the first and second separate longitudinally extending beam members (31, 32) together,- a cooling plate bottom member (5), provided at a bottom portion of the first and second separate longitudinally extending beam members (31, 32) and the plurality of separate crossbeam members (41-45).

A BATTERY MODULE, A BATTERY PACK, AND A VEHICLE

Resumen de: EP4576327A1

A battery module (1) for a battery pack (100) is disclosed, comprising:- a first and a second longitudinal frame member (51, 52) extending in the longitudinal direction (L),- at least three crossbeam frame members (61, 62, 63, 64) extending in the width direction (W),- at least two separate cell stacks (2, 2'), wherein each cell stack (2, 2') comprises a set of cylindrical battery cells (3) and a holder (4, 4') in which the set of cylindrical battery cells (3) are received. The disclosure also relates to a battery pack (100) and a vehicle (200)

A METHOD OF USING A CHLORINATION METHOD TO RECYCLE METAL ELEMENTS IN LITHIUM BATTERIES

Resumen de: EP4575024A1

The present invention provides a method of using a chlorination method to recycle metal elements in lithium batteries, including the following steps: Step 1, organic components in the lithium battery are removed, so as to obtain a mixture of powders containing the positive-electrode material; Step 2, the powders are heated and chlorinated by chlorine, at a heating temperature of 500-1200°C; Step 3, gas products of the chlorination are output through a gas-solid filtration device, and then two stages of desublimation are used, wherein the temperature during the first-stage desublimation is set to be below 306°C and above 178°C, so that FeCl₃ is desublimated into solid deposition, which is used for recycling Fe element; the temperature of the second-stage desublimation is set to be below 178°C, so that AlCl₃ is desublimated into solid deposition, which is used for recycling Al element; Step 4, solid products of the chlorination are taken out for recycling the Li element.

A METHOD FOR RECYCLING LITHIUM BATTERIES

Resumen de: EP4575314A1

The present invention provides a method for recycling lithium batteries, including the following steps: Step 1, pretreating the lithium batteries, Step 2, a mixture after the pretreating includes: positive electrodes of batteries, negative electrodes of batteries, and electrolyte; the mixture is subjected to oxygen-free pyrolysis at a pyrolysis temperature of 400-600°C; Step 3, by using a gas-solid filtration device, gas products from the pyrolysis are separated and outputted, wherein anti-corrosion material(s) is(are) used to form filter element of the gas-solid filtration device; Step 4, taking out solid products from the pyrolysis, so as to recycle metal elements; the metal elements include but are not limited to one or more selected from the following: lithium, aluminum, copper, iron, nickel, cobalt, manganese.

A METHOD OF USING A WET METHOD TO RECYCLE METAL ELEMENTS IN LITHIUM BATTERIES

Resumen de: EP4575022A1

The present invention provides a method of using a wet method to recycle metal elements in lithium batteries, including the following steps: Step 1, pretreating lithium batteries, so as to obtain a mixture of powders containing positive-electrode materials; Step 2, acid leaching to obtain leachate; Step 3, if the to-be-recycled lithium battery contain a lithium iron phosphate battery, the solid products, obtained after acid leaching and solid-liquid filtration, are heated in an oxygen-containing atmosphere, so as to burn up carbon, then the left is ferric phosphate; Step 4, if the to-be-recycled lithium battery contains a ternary lithium battery, the leachate, obtained after acid leaching and solid-liquid filtration, is sent to an extraction step, wherein diisooctyl phosphate is used as extraction agent, so as to obtain a raffinate containing Li element and an organic phase containing Ni/Co/Mn elements.

IMPROVED CATHODE MATERIAL FOR SECONDARY LITHIUM BATTERIES

Resumen de: WO2024038136A1

The invention relates to an improved cathode material comprising a compound having the formula LIMPO4, M being at least one of Fe, V, Mn, Co and Ni, said compound comprising (i) secondary particles formed by agglomeration of (ii) primary particles and (iii) pores between secondary and primary particles, wherein the primary particles have a plate-like morphology and a mean particle size d50 in the range of from 20 to 150 nm and the secondary particles have a spherical morphology and a mean particle size d50 in the range of from 1 to 10 μm.

CYLINDRICAL SECONDARY BATTERY COMPRISING TOP CAP

Resumen de: EP4576405A1

A cylindrical type secondary battery according to an embodiment of the present invention may include a cylindrical can provided to accommodate an electrode assembly, and a top cap provided to cover an opened upper portion of the cylindrical can. The top cap may include a first conductive part, a second conductive part disposed below the first conductive part and electrically connected to the electrode assembly, and an intermediate layer part including a third conductive part disposed between the first conductive part and the second conductive part to be in contact with each of the first conductive part and the second conductive part, wherein, when a temperature of the third conductive part is a predetermined temperature or higher, the third conductive part is melted so that the contact between the third conductive part and the first conductive part or the second conductive part is released. The intermediate layer part may include a gasket part that is disposed between the first conductive part and the second conductive part and defines a through-region between the gasket part and the third conductive part in a state in which the third conductive part is disposed to pass through the intermediate layer part.

BATTERY CELL AND BATTERY MODULE COMPRISING SAME

Resumen de: EP4576349A1

The present invention, in order to improve stability by directing a venting direction, provides a battery cell and a battery module comprising same, comprising: an electrode assembly; a case for accommodating the electrode assembly; an electrode terminal electrically connected to the electrode assembly; and a sealing portion to which an edge of the case is joined, wherein the sealing portion comprises a first sealing portion in which the electrode terminal is embedded and a second sealing portion in which the electrode terminal is not embedded, a folding portion is formed on at least a part of the second sealing portion, and a holding member coupled to the folding portion is included.

BATTERY PACK AND BATTERY MANAGEMENT SYSTEM

Resumen de: EP4576486A1

Die Erfindung betrifft ein Batteriepack (30) für eine mobile Werkzeugmaschine (10), beispielsweise eine Handwerkzeugmaschine, umfassend mehrere Batteriezellen (38) sowie ein Batteriemanagementsystem (52). Es ist dadurch gekennzeichnet, dass das Batteriepack (30) wenigstens einen Schalter (46, 48, 50) aufweist, der vom Batteriemanagementsystem (52) steuerbar ist und der eingerichtet ist, eine Untergruppe (32, 34, 36) der Batteriezellen (38) anzuschalten oder abzuschalten. Ferner betrifft die Erfindung ein Batteriemanagementsystem (52). Sie ermöglicht eine kostengünstige Bereitstellung elektrischer Energie für eine mobile Werkzeugmaschine (10).

SMELTING OF PYROLYZED BATTERY

Resumen de: EP4575017A1

The present patent application relates to a method of recovering valuable metals from waste batteries comprising- a pyrolysis step comprising pyrolysis of the waste batteries at a temperature of from about 700°C to about 1300°C, thus obtaining pyrolyzed batteries;- a size reduction step, comprising size reduction of the pyrolyzed batteries;- a smelting step, comprising smelting the pyrolyzed, size reduced waste batteries at temperatures of 1350°C or higher under oxidizing conditions. The method shows improved control of the smelting step and the temperature, reduces the amount of slag generated as well as the release of explosive gas.

CONNECTING ASSEMBLY

Nº publicación: EP4573306A1 25/06/2025

Solicitante:

TI AUTOMOTIVE TECH CT GMBH [DE]
TI Automotive Technology Center GmbH

Resumen de: CN119731462A

A connection assembly (1) for connecting a pipe element (2) to an element (3) of a temperature control device, comprising a pipe element (2) having a tubular portion (4) and a thickened portion (5) formed at one end of the pipe element (2), an element (3) having at least one passage (6), and a connection piece (7). Wherein the connecting piece (7) has a recess (8) in which the pipe element (2) is arranged in such a way that the connecting piece (7) is fixed to the pipe element (2) in a form-fitting and loss-proof manner by means of the thickening (5), the connecting piece (7) and the element (3) each have a thread (9, 10), the threads (9, 10) engage and form a threaded connection (11), and the thickening (5) forms a contact (12) and, on the side facing the pipe element (2), the connecting piece (7) and the element (3) are in contact with each other. A contact portion (12) is connected to the channel (6), an abutment portion (13) is connected to the channel (6), the cross-section of the abutment portion (13) enlarges in the direction towards the pipe element (2), the contact portion (12) is in sealing contact with the abutment portion (13), the pipe element (2) is connected to the channel (6) in a fluid-conducting manner, and the threaded connection (11) presses the contact portion (12) against the abutment portion (13) by means of a form-fitting connection of the connecting piece (7) and the pipe element (2).