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SECONDARY BATTERY CONTROL DEVICE

Resumen de: WO2026062912A1

Provided is a control device 10 used for a secondary battery 110 and being capable of limiting a power value per unit time of the secondary battery 110 without excessively limiting an allowable power value of the secondary battery 110. The control device 10 for the secondary battery 110 has an allowable power setting unit 421 and an allowable power limiting unit 422. On the basis of predetermined information about the secondary battery 110, the allowable power setting unit 421 sets an allowable power value allowed for the secondary battery 110 in at least one of discharging and charging of the secondary battery 110. Before the power value of the secondary battery 110 reaches the allowable power value, the allowable power limiting unit 422 limits the power value. The allowable power limiting unit 422 limits the power value at stages by two or more different ratios.

METHOD FOR PRODUCING METAL-CONTAINING HYDROXIDE OR OXYHYDROXIDE MATERIAL

Resumen de: WO2026061885A1

A method for producing a metal-containing hydroxide or oxyhydroxide particulate material, the method comprising the steps of: (a) providing a first slurry comprising ammonia and particles of hydroxide or oxyhydroxide of metals Mc; (b) reducing a level of ammonia (NH3(aq)) from at least a portion of the first slurry to obtain a seed slurry; and (c) combining the seed slurry with streams of an aqueous solution (As) containing salts of metals Ms and an aqueous solution (Bs) containing a precipitating agent, thereby obtaining a second slurry comprising particles having a layer of hydroxide or oxyhydroxide of Ms on the particles of the seed slurry, wherein the Mc=Ni1-xc-yc-zcMnxcCoycAzc with 0≤xc≤0.85, 0≤yc≤0.35, 0≤zc<0.1, and 0.15≤1-xc-yc-zc≤1; and wherein the Ms=Ni1-xs-ys-zsMnxsCoysAzs with 0.55≤xs≤0.85, 0≤ys≤0.35, 0≤zs<0.1, and 0.15≤1-xs-ys-zs≤0.45.

FIBRILLIZABLE POLYMERIC BINDERS FOR ELECTRODES

Resumen de: WO2026064445A1

A fibrillizable binder composition is provided comprising a copolymer derived from tetrafluoroethylene (TFE) and a comonomer having at least one polar pendant group including oxygen. Also provided are binder compositions for use in making electrode films and batteries wherein the binder compositions comprise a fibrillizable tetrafluoroethylene (TFE)-based polymer or TFE-based copolymer co-coagulated with a polymer having at least one pendant polar group comprising oxygen, such as an ionomer.

REACTIVE EXTRACTION OF METALS, ENERGY STORAGE AND DELIVERY SYSTEMS, AND ASSOCIATED ARTICLES, SYSTEMS, AND METHODS

Resumen de: WO2026064801A2

Reactive extraction of metals, energy storage and delivery systems, and associated articles, systems, and methods are generally described. Certain aspects related to energy storage and delivery systems that employ metallic sodium and/or metallic lithium and/or metallic potassium as an electrochemically active material.

ARCHITECTURAL CEMENTITIOUS SUPERCAPACITORS THAT COMBINE MODULAR ENERGY STORAGE WITH STRUCTURAL SUPPORT

Resumen de: WO2026064630A1

Modular construction elements comprised of structural supercapacitors composed of a conductive composite and methods of manufacturing are described herein. The conductive composite has a controllable transport porosity, that enables transport of electrical charge, via electrolyte solution, to a distributed conductive network within the composite. The distributed conductive network has a controllable storage porosity that enables the storage of electrical charge. Modular construction elements can be connected to build desired architectural structures in a variety of different fields of use. Similarly, modular construction elements can be connected to form one or more electrical systems that enable the storage, transport, and discharge of electrical energy using the distributed conductive network. The modular construction elements provide an adaptable building system able to simultaneously address structural and energy storage needs.

PRODUCING GRAPHITIC PARTICLES FROM PETROLEUM PITCH WITH STABILIZATION ABOVE SOFTENING POINT

Resumen de: WO2026064291A1

A variety of methods and systems for processing petroleum precursor to form graphitic particles which may be suitable for use as negative electrode materials in batteries with stabilization performed at or above the softening point of the petroleum precursor are disclosed. In embodiments, the method of fabricating a negative electrode includes grinding a petroleum precursor at a temperature below a softening point of the petroleum precursor to form at least precursor particles, carbonizing the precursor particles by heating to a temperature from about 700 °C to about 1800 °C to form at least carbonized particles, and graphitizing by heating to a graphitization temperature of about 2000 °C to about 4000 °C.

STORAGE BATTERY INCORPORATING A MEANS FOR HEATING THE CELLS THEREOF

Resumen de: WO2026061802A1

The invention relates to a storage battery (10) comprising a housing (20) that houses electrochemical cells and a management system (42) for managing the electrochemical cells. According to the invention, the battery comprises, in the housing (20): - at least one heating layer (60) that incorporates an electrical track suitable for being supplied with current by the electrochemical cells so as to heat the electrochemical cells through Joule heating, and - a transistor (80) controlled by the management system, this management system being programmed to carry out pulse-width modulation of the electrical power received by the at least one heating layer.

Batteriegehäusekomponente aufweisend eine elektromagnetisch isolierende Schicht, Traktionsbatteriegehäuse, Traktionsbatterie, Kraftfahrzeug, Formwerkzeug zur Herstellung einer Batteriegehäusekomponente und Verfahren zur Herstellung einer Batteriegehäusekomponente

Resumen de: DE102024127919A1

Die Erfindung betrifft Batteriegehäusekomponente (1), aufweisend eine einen Kunststoff aufweisende Gehäusewand (10) und eine elektromagnetisch isolierende Schicht (20), wobei die Gehäusewand (10) einen ersten Abschnitt (11) aufweist, in dem die Gehäusewand (10) die elektromagnetisch isolierende Schicht (20) derart umgibt, dass die elektromagnetisch isolierende Schicht (20) im ersten Abschnitt (11) der Gehäusewand (10) nicht zugänglich ist, und wobei die Gehäusewand (10) einen zweiten Abschnitt (12) aufweist, in dem die elektromagnetisch isolierende Schicht (20) an einer ersten Seite (14) der Gehäusewand (10) angeordnet ist, sodass die Gehäusewand (10) in dessen zweiten Abschnitt (12) eine elektrisch leitfähige Kontaktfläche (16) aufweist, an welcher die elektromagnetisch isolierende Schicht (20) unmittelbar zugänglich ist, wobei im Bereich des zweiten Abschnitts (12) der Gehäusewand (10) ein Durchdringungsschutz (30) zwischen der Gehäusewand (10) und der elektromagnetisch isolierenden Schicht (20) angeordnet ist.

ASSEMBLY FOR A BATTERY OF AN ELECTRIC VEHICLE, SAID ASSEMBLY FOR A BATTERY COMPRISING A CHAMBER FOR THE CIRCULATION OF A HEAT-TRANSFER FLUID

Resumen de: WO2026062354A1

The invention relates to an assembly (100) for a battery of an electric vehicle, which assembly comprises: - a support device (101) defining a metal chamber (102) intended to receive a heat-transfer fluid (10), the metal chamber (102) comprising an inlet (103) and an outlet (104) intended for the circulation of the heat-transfer fluid (10) through the metal chamber (102); - battery cells (105) each comprising a rigid outer casing (106), the battery cells (105) each being sealingly mounted to the metal chamber (102) such that they each have a first portion (107) extending inside the metal chamber (102) and a second portion (108) extending outside the metal chamber (102).

BATTERY COMPRISING A POLYMER CONTAINING DISULFIDE BONDS

Resumen de: WO2026062351A1

The present invention relates to the use, in a Li-ion secondary battery, of an amorphous polymer P1 comprising at least one -(S-R-S)-(S-R-S)- segment.

SOLID ELECTROLYTE FOR NA-ION AND K-ION BATTERY

Resumen de: WO2026062349A1

The invention relates to a solid electrolyte composition which can be used to manufacture a film offering a very good compromise between ion conductivity, electrochemical stability, high-temperature stability and mechanical strength. This composition can be used in a separator or an electrode of Na-ion or K-ion batteries.

A CURRENT COLLECTOR, BATTERY CELL AND METHOD OF MANUFACTURING A CURRENT COLLECTOR

Resumen de: WO2026062165A1

A current collector (200) for connecting an electrode tab (108) of an electrode assembly (106) to an electrode terminal (104) of a case (102) in which the electrode assembly (106) is received. The current collector (200) comprises a tab part (202) configured to be welded to the electrode tab (108) and extending in a first plane; a terminal part (204) configured to be connected to the electrode terminal (104) and extending in a second plane perpendicular to the first plane; and a connection part (206) connecting the tab part (202) to the terminal part (204) to provide a first current path (Cl) between the electrode tab (108) and the electrode terminal (104), the connection part (206) extending in a third plane perpendicular to both the first plane and the second plane. The tab part (202) comprises a first weld region (212) and the terminal part (204) comprises a second weld region (214), the first and second weld regions (212, 214) welded together to provide a second current path (C2) between the electrode tab (108) and the electrode terminal (104).

ELECTROLYTE ADDITIVE FOR NATURAL GRAPHITE ANODE

Resumen de: WO2026062161A1

The disclosure relates to a cell comprising natural graphite and an electrolyte additive. Natural graphite has higher surface functionality and thus reactivity with electrolyte than artificial graphite. This means that anode active material comprising natural graphite will typically degrade faster than the synthetic variant. It has surprisingly been found than the addition of a specific group of electrolyte additives improves the stability of a cell comprising large amounts of natural graphite as anode active material.

ELECTRIC ENERGY STORAGE DEVICE

Resumen de: WO2026062197A1

The invention relates to an electric energy storage device for a vehicle, comprising a housing in which a plurality of electrically interconnected individual cells are provided. According to the invention, at least one temperature-control element (2) and/or at least one temperature-control structure (3) for controlling the temperature of at least a number of individual cells provided in the housing is mounted or formed on and/or in at least one housing wall (1) and/or on and/or in a housing base (5) and/or on and/or in a housing cover.

ASSEMBLY HAVING AT LEAST A FIRST ELEMENT AND A SECOND ELEMENT

Resumen de: WO2026061707A1

Proposed is an assembly (1) having at least a first element (2) and a second element (3) which are interconnectable by means of at least one latching element (6), the latching element (6) comprising the following: - two spring legs (7) which are connected to the first element (2) and which are interconnected via a bridge (9), the bridge (9) extending in a first spatial direction and the spring legs (7) allowing a deflection movement of the bridge (9) in a second spatial direction perpendicular to the first spatial direction, and - at least one projection (10) which protrudes from the bridge (9) in the second spatial direction and which can be engaged with a recess in the second element (3) in order to latch the first element (2) to the second element (3), with the bridge (9) being deflected in the second spatial direction.

COOLING DEVICE FOR A HIGH-VOLTAGE BATTERY AND METHOD FOR DETECTING THE INGRESS OF WATER

Resumen de: WO2026061701A1

The invention relates to a cooling device for a high-voltage battery comprising an external cooling circuit (7) operated with cooling water. The cooling device according to the invention is characterized in that the cooling circuit (7) is coupled via a heat exchanger (6) to a battery-internal cooling circuit (1) operated with a dielectric, wherein a hydrogen sensor (8) is provided in the high-voltage battery. The ingress of water is inferred starting from a critical hydrogen concentration at the hydrogen sensor (8).

COMPOUND FOR A SOLID-STATE BATTERY ELECTROLYTE

Resumen de: WO2026064002A1

Disclosed herein is the compound (NaxLi3−x)(3−y)/3Y1−yZryCl6, where x is greater than 0 and less than 3 and where y is greater than 0 and less than 1. Where x = 1 and y = 0.75, the compound is Na0.75Li1.5Y0.25Zr0.75Cl6. The compound is usable as an effective solid electrolyte for a solid-state battery. The solid electrolyte can utilize lithium ions and/or sodium ions as charge carriers.

POLYCRYSTALLINE SOLID ELECTROLYTE

Resumen de: WO2026062568A1

The present invention relates to a tape of polycrystalline solid electrolyte material of the formula (I) M3-z(Mek+)fX3-z+k*f wherein the tape has a thickness that is lower or equal to 100 µm, and a length that is greater than or equal to 1 mm. The invention further concerns the preparation process of a polycrystalline solid electrolyte of formula (I) or of a tape according to the invention comprising the steps of: disposing a compound of formula (I) or an ammonium complex thereof on a substantially planar surface, heating the compound of formula (I) or the ammonium complex thereof at a temperature ranging from 290 °C to 550 °C, and concomitantly or sequentially to the heating step, applying to the compound of formula (I) a pressure that is orthogonal to the substantially planar surface, said pressure ranging from 1.5 MPa to 30 MPa.

PROTECTION PLATE CONFIGURED FOR A COOLER

Resumen de: WO2026061672A1

The invention relates to a protection plate (10) configured to be assembled in a window of a cooler, notably a cooler formed by two joined plates, this protection plate (10) comprising at least one ventilation opening (12) which is initially closed by a cap (27) connected to the periphery of the ventilation opening (12) by at least one zone of frangible material (28) so that the cap (27) can be removed from the opening in order to define an off-gassing passage (29) in the event of off-gassing from a cell (101) of a battery positioned facing the cap (27), the protection plate (10) also being fire-resistant.

Temperiersystem mit hydraulisch betätigbarem Steuerventil

Resumen de: DE102024209284A1

Die Erfindung betrifft ein Temperiersystem (100) mit zumindest einer Temperiermedienpumpe (121, 122, 123, 124) zum Fördern eines flüssigen Temperiermediums, zumindest einem Wärmetauscher (111, 112, 113, 114, 115, 116, 117, 118) zum Übertragen von Wärme zwischen dem Temperiermedium und zumindest einer zu temperierenden Komponente und zumindest einem Steuerventil (161, 162, 163) zum Einstellen eines Temperiermedienstroms durch den zumindest einen Wärmetauscher (111, 112, 113, 114, 115, 116, 117, 118), wobei das zumindest eine Steuerventil (161, 162, 163) mittels jeweils eines hydraulisch betätigbaren Aktuators (151, 151A, 151B) steuerbar ist.

Temperiervorrichtung

Resumen de: DE102024003068A1

2. Temperiervorrichtung, insbesondere für den Einsatz im Rahmen der E-Mobilität, zumindest bestehend aus einem Kältemittelkreislauf (10), in den eine Temperiereinrichtung (12) für eine elektrische Batterie (14) geschaltet ist.

FESTELEKTROLYTMATERIAL UND BATTERIE

Resumen de: DE102025118246A1

Ein Festelektrolytmaterial enthält ein Li-Salz, das ein fluorhaltiges Anion, einen anorganischen Füllstoff und ein Polymer enthält. Der anorganische Füllstoff hat eine mit einem fluorierten Alkyl modifizierte Oberfläche. Das Festelektrolytmaterial weist außerdem Succinonitril auf. Der anorganische Füllstoff enthält mindestens eine Verbindung ausgewählt aus der Gruppe bestehend aus SiO2, TiO2, ZrO2und MgO; und das fluorierte Alkyl enthält mindestens eine Gruppe aus einer 1H-, 1H-, 2H-, 2H-Tridecafluoro-n-octyl-Gruppe und einer 1H-, 1H-, 2H-, 2H-Heptadecafluorodecyl-Gruppe.

VERFAHREN ZUR VORKONDITIONIERUNG EINER ENERGIESPEICHERVORRICHTUNG FÜR EINE BEGRENZTE FAHRTROUTE

Resumen de: DE102024132987A1

Ein Verfahren zur Vorkonditionierung einer Energiespeichervorrichtung für ein Fahrzeug umfasst die Bestimmung einer Fahrtroute des Fahrzeugs basierend auf einer Zieleingabe und die Schätzung einer maximalen Energie, die durch regeneratives Bremsen des Fahrzeugs entlang der Fahrtroute verfügbar ist. Das Verfahren umfasst ferner das Auswählen einer Zielvorkonditionierungstemperatur für die Energiespeichervorrichtung basierend auf der Fahrtroute und der maximalen Energie, die durch regeneratives Bremsen verfügbar ist, und das Aufheizen der Energiespeichervorrichtung auf die Zielvorkonditionierungstemperatur, um dadurch die Energiespeichervorrichtung vorzukonditionieren. Ein Fahrzeug umfasst die Energiespeichervorrichtung und eine Steuerung, die mit der Energiespeichervorrichtung kommuniziert.

BATTERIEPACK

Resumen de: DE102025130977A1

Ein Batteriepack, das ein unteres Gehäuse und ein oberes Gehäuse umfasst, das einen Biegestelle aufweist, die verformbar bzw. biegbar ist, wenn sie von vorne mit dem an einem Fahrzeug montierten Batteriepack kollidiert, zwei Batteriemodule, die in dem unteren Gehäuse und dem oberen Gehäuse untergebracht und in Fahrzeuglängsrichtung so angeordnet sind, dass sie am Biegepunkt einen Spalt aufweisen, und eine Zwischenplatte, die dazu ausgebildet ist, die beiden Batteriemodule zu verbinden und zu halten. Die Zwischenplatte ist im Spalt vorgesehen.

BATTERIEZELLEN MIT SEPARATOREN, DIE ZUSAMMENGEFÜGTE ENDEN UMFASSEN

Nº publicación: DE102024134608A1 26/03/2026

Solicitante:

GM GLOBAL TECH OPERATIONS LLC [US]
GM Global Technology Operations LLC