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JOINING MECHANISM FOR JOINING A MALE-TYPE PIPE END AND A FEMALE-TYPE PIPE END

Resumen de: WO2026052301A1

The invention relates to a joining system (1) for the circulation of a fluid between a male duct (2) and a female duct (3), which comprises: - a first connection interface (21) produced by the outer surface of the male duct (2), - a second connection interface (31) complementary to the first connection interface (21) and produced by the inner surface of the female duct (3), - an axial elastic intermediate joining device (11) comprising at least one respective surface (112, 113) opposite the first (21) and the second (31) connection interface, in order to be compressed between these interfaces (21, 31), characterized in that: - the second connection interface (31) comprises a drainage orifice (41) towards a drainage channel borne by the female duct (3), - the axial elastic intermediate joining device (11) comprises, opposite the second connection interface (31), at least two lips or series of lips (51, 52) orthogonal to the axis of the device (11), the intermediate joining device (11) being positioned with insertion into the female duct (31) such that each lip or series of lips (51, 52) is arranged on either side of the drainage orifice (41) of the second connection interface (31).

USE OF CARBON GENERATED DURING PYROLYSIS PROCESSES AS ELECTRODE MATERIAL IN BATTERIES AND FOR ELECTRIC ARC REACTIONS

Resumen de: WO2026052661A1

Electrode material for batteries or for electric arc reactions comprising pyrolytic carbon, wherein the pyrolytic carbon is obtained by pyrolysis of i) plastic waste, preferably end-of-life tires (ELT) waste, mixed plastic waste (MPW), automotive-shredder-residue (ASR), plastic solid waste (PSW), present in municipal solid waste (MSW), electronic waste (E-waste) or mixtures thereof, or mixtures thereof, or ii) mixtures of i) with at least one kind of hydrocarbons; and a battery comprising an electrode material comprising at least one conductive material, at least one binder and at least one active material, wherein the conductive material and/or the active material comprises or consists of the pyrolytic carbon as obtained according to the present invention; and a conductive composition for an electrode material for batteries comprising at least one conductive material, wherein the conductive carbon comprises or consists of the pyrolytic carbon as obtained according to the present invention; and an electrode material for electric arc reactions comprising a) at least one carbon material, b) optionally graphite, anthracite coal, coke or mixtures thereof, and c) optionally a binder, wherein the carbon material comprises or consists of the pyrolytic carbon as obtained according to the present invention; and a process for preparing an electrode material for batteries or for arc pyrolysis; and use of pyrolytic carbon obtained by pyrolysis of i) plastic waste, preferably end-of-life

Aufnahme Elektrochemische-Zelle zum Befüllen und optional Verschließen der Elektrochemischen-Zelle sowie Vorrichtung zum Befüllen und optimal Verschließen mindestens einer Elektrochemischen-Zelle

Resumen de: DE102024126017A1

Gegenstand der Erfindung ist eine Aufnahme (2) zum Befüllen mindestens einer Elektrochemischen-Zelle (0), insbesondere zur Durchführung einer Infiltration der Kathode mit einer Salzschmelze bei erhöhter Temperatur und/oder unter Inertgas, vorzugsweise unter Ausschluss von Feuchte und/oder Sauerstoff, wobei die Aufnahme (2) zur Aufnahme der Elektrochemischen-Zelle eine innere Oberfläche, insbesondere mit mindestens eine Seitenwand (2.2) und optional einen Boden (2.3) aufweist und die Aufnahme mit innerer Oberfläche eine obere Öffnung (2.1) zur Aufnahme, d.h. Positionierung der Elektrochemischen-Zelle (0) in der Aufnahme (2), aufweist, wobei die innere Oberfläche der Aufnahme (2) aus einem gegenüber Chlorid-Ionen beständigem Material ist, bevorzug aus einem gegenüber Chlorid-Ionen beständigen Material bei erhöhter Temperatur. Des Weiteren ist Gegenstand der Erfindung eine Vorrichtung und eines Systems zum Befüllen mindestens einer Elektrochemischen-Zelle (0) und zum Verschließen dieser Zelle, insbesondere zum hermetisch temporären oder hermetisch dauerhaften Verschließen.

BATTERIES WITH AN INTEGRATED COOLING SYSTEM

Resumen de: WO2026054641A1

The invention relates to a novel cooling system integrated into lithium-ion (Li-ion) batteries. This system comprises two flexible liquid-cooling plates configured to dissipate heat generated by the cylindrical Li-ion batteries, in particular heat accumulated at the center thereof. These flexible plates incorporate a specific mixture of water and glycol, thereby optimizing their thermal conductivity while preventing corrosion and algal growth. The cooling process relies on liquid convection, thereby ensuring optimal battery operation and extending battery service life.

ANODE FOR A SECONDARY CELL

Resumen de: WO2026052838A1

An anode material for a secondary cell, characterized in that the anode material comprises a silicon dioxide matrix having carbon-encapsulated metal-doped silicon nanoparticles; a method to produce said anode material; an anode comprising said anode material; a secondary cell comprising said anode; and a vehicle comprising said secondary cell.

CONDUCTIVE BIOPOLYMER MATERIAL

Resumen de: WO2026052969A1

The present invention relates to method of preparing an ionically conducting biopolymer material and a biopolymer material prepared or preparable by said method. The invention further relates to use of the biopolymer material as a solid-state electrolyte as well as a battery wherein the solid-state electrolyte is a biopolymer material of the present invention. In one aspect, the invention provides a method of preparing an ionically conducting biopolymer material, the method comprising the steps of: a) providing an aqueous mixture comprising water, pectin, and gelatine; b) causing the aqueous mixture formed in step a) to undergo gelation to form a gel; and c) contacting the gel with an aqueous solution of at least one water soluble salt such that dissociated positive and negative ions of the at least one water soluble salt passively diffuse into the gel.

TEMPERATURE CONTROL DEVICE, IN PARTICULAR FOR COOLING

Resumen de: WO2026052510A1

The invention relates to a temperature control device, in particular for cooling, this device comprising an upper plate and a lower plate (3) joined to the upper plate such that together they form a plurality of flow channels (5) for a heat-transfer fluid, in which temperature control device: - at least two pairs of channels share a common channel (15), and the two interconnection bridges (16) are connected to this common channel (15), at two connection points which are separated from one another by a non-zero distance in the length direction of the channel, or - at least two pairs of channels (15) are formed by four separate channels, and the two interconnection bridges (16) are then separated from one another by the gap between the two pairs of channels (15).

COMPOSITE FOR BATTERY COMPRESSION PAD

Resumen de: WO2026052539A1

The present invention relates to a composite for use in a battery assembly comprising: • 35 to 95 wt% silicone resin, which forms at least part of a silicone resin matrix; • 0 to 40 wt% optional additives • 5 to 65 wt% granules comprising fumed silica and an IR opacifier, said granules dispersed within the silicone resin matrix; one or both of said silicone resin matrix and said granules further comprise the optional additives. The granules comprise pores filled with the silicone resin to form impregnated granules.

ARTICLE INCLUDING STRUCTURED PAPER, BATTERY MODULE INCLUDING THE ARTICLE, AND RELATED PROCESSES

Resumen de: WO2026053160A1

An article includes a first sheet of a first non-cellulosic paper having a first major surface and an opposing second major surface and a structured paper including non-cellulosic fibers. The structured paper has ridges and troughs each having an outer surface with land areas, and the land areas of at least a portion of the ridges are joined to at least a portion of the first major surface of the first sheet. A battery module that includes a plurality of battery cells electrically connected to one another and the article is also described. Processes for making and using the article are also described.

A FLEXIBLE LITHIUM-ION BATTERY

Resumen de: WO2026053165A1

The invention provides a flexible lithium-ion battery 100 comprising a cathode 110, an anode 112 and an electrolyte 120 comprising lithium ions contained within a flexible casing 118, wherein each of the cathode 110 and the anode 112 independently comprises: a flexible current collector 122, 126 comprising a carbon-based fabric comprising a porous network of graphitic carbon fibre, wherein the graphitic carbon fibre comprises at least 85 wt.% carbon; and an electroactive composition 124, 128 supported on the flexible current collector 122, 126, the electroactive composition 124, 128 comprising an electrode material and a polymeric binder, wherein the electrode material of the cathode is a lithium- intercalating cathode material and the electrode material of the anode is a lithium- intercalating anode material, wherein the electroactive composition at least partially infiltrated through the porosity of the porous network of graphitic carbon fibre.

BATTERY HOUSING, IN PARTICULAR UNDERFLOOR HOUSING FOR TRAINS

Resumen de: WO2026052249A1

The invention relates to a battery housing, in particular an underfloor housing for trains, comprising a main part (2), which is open on one side, for receiving electrically interconnected battery cells and a cover (3), which closes the open side of the main part (2). The battery housing is characterized in that the cover (3) is equipped, on the main part side, with a thermal insulating element (4) which, in the closed position, protrudes at least partly into a volume space (5) provided by the main part (2), a gap (8) being formed in an overlapping region (6) between an edge (7), provided by the main part (2), and the insulating element (4), and the edge (7) and/or the insulating element (4) having a fire protection element (9) made of a material which swells into the gap (8) under the effect of heat.

MODIFIED SULFUR-CONTAINING SOLID ELECTROLYTE AND METHOD FOR PRODUCING IT

Resumen de: WO2026052809A1

The subject matter of the invention provides a viable solvent treatment method for manufacturing surface-modified alkali metal sulfides or alkali metal thiophosphates, especially surface-modified lithium thiophosphates, e.g. Li6PS5Cl (mLi6PS5Cl). Utilizing nonpolar organic solvents to reduce the concentration of additives with Lewis-basic activity, the surface of, for example Li6PS5Cl, is modified to improve the ionic conductivity of electrolytes of type Li6PS5Cl or other lithium thiophosphates.

METHOD OF PRODUCING A SEPARATOR WITH HIGH SURFACE ENERGY

Resumen de: WO2026052516A1

The invention relates to a method of producing a separator for electrochemical elements, comprising the following steps A to E: A - providing an aqueous suspension comprising fibrillatable fibres of regenerated cellulose, B - treating the fibrillatable fibres of regenerated cellulose in the aqueous suspension from step A in a colloid mill with a grinding gap of at least 1.0 mm and at most 3.0 mm, an edge speed of at least 30 m/s and at most 50 m/s, and a discharge pressure of at least 0.4 MPa and at most 1.5 MPa, C - providing the aqueous suspension from step B in a headbox, D - dewatering the aqueous suspension from step C from the headbox at a revolving screen, in order to obtain a fibre web, and E - drying the fibre web by mechanical pressure and supply of heat, wherein at least 80% of the mass of the separator produced in steps A to E is formed by fibrillated fibers of regenerated cellulose, and the separator produced in steps A to E has a surface energy, determined by inverse gas chromatography, of at least 80 mJ/g, which is formed by the sum total of disperse and specific surface energy, and wherein the polarity of the separator is at least 0.06 and at most 0.20, wherein the polarity is the proportion of the specific surface energy in mJ/g of the surface energy in mJ/g.

ELECTROLYTE, ELECTROCHEMICAL CELL AND BATTERY COMPRISING SAID ELECTROLYTE, METHOD OF PREPARATION AND USES THEREOF

Resumen de: WO2026052752A1

The present invention relates to a liquid electrolyte comprising: (i) at least one fluorinated ether of formula (I) wherein R1 is selected from -CHF2, -CF3, -CH2CHF2, -CH2CF3, -CF2CHF2, -CF2CF3, - CHFCHF2 and -CHFCF3; R3 is selected from -CHF2, -CF3, -CH2CHF2, -CH2CF3, -CF2CHF2, -CF2CF3, - CHFCHF2, -CHFCF3, -CH3, -CH2CH3 and (II); R2 is selected from -CH2-, -OCH2CH2-, -OCH2CH2CH2- and - OCH2CH2CH2CH2-; n is an integer from 0 to 10; and (ii) at least two lithium salts; and (iii) optionally, at least one co-solvent, wherein the at least one fluorinated ether represents from 50 to 80 wt.% with respect to the total weight of the electrolyte. The invention also relates to an electrochemical cell or battery comprising said liquid electrolyte, as well as to a method for preparing the electrolyte of the invention and to a method for preparing the electrochemical cell or battery comprising the electrolyte of the invention.

ENCLOSURE FOR BATTERY INCLUDING DEGRADABLE MATERIALS

Resumen de: WO2026054867A1

Disclosed herein is a battery assembly comprising a housing comprising plurality of walls (120) defining a space configured for positioning a battery cell (10) therein, wherein one of the walls comprises an inlet (300) for receiving a degradable coating composition (7), and wherein one of the walls comprises an outlet (400) for discharge of a degraded coating.

GEL ELECTROLYTE, ELECTROCHEMICAL CELL AND BATTERY COMPRISING SAID ELECTROLYTE, METHOD OF PREPARATION AND USES THEREOF

Resumen de: WO2026052753A1

The present invention relates to a gel electrolyte comprising: (i) at least one solvent selected from: a) a fluorinated ether of formula (I): wherein R1 is selected from -CHF2, -CF3, -CH2CHF2, -CH2CF3, -CF2CHF2, -CF2CF3, -CHFCHF2 and - CHFCF3; R3 is selected from -CHF2, -CF3, -CH2CHF2, -CH2CF3, -CF2CHF2, -CF2CF3, -CHFCHF2, - CHFCF3, -CH3, -CH2CH3 and (III); R2 is selected from -CH2-, -OCH2CH2-, -OCH2CH2CH2- and -OCH2CH2CH2CH2-; n is an integer from 0 to 10; b) a sulfonamide of formula (II): wherein R1 is selected from F, a linear or branched C1-C12 alkyl group which may be substituted with one or more fluorine atom(s), a linear or branched C2-C12 alkenyl group which may be substituted with one or more fluorine atom(s), a C3-C12 cycloalkyl group which may be substituted with one or more fluorine atom(s) and a C6-C12 aryl group which may be substituted with one or more fluorine atom(s), and R2 and R3 are independently selected from a linear or branched C1-C12 alkyl group which may be substituted with one or more fluorine atom(s), a linear or branched C2-C12 alkenyl group which may be substituted with one or more fluorine atom(s), a C6-C12 aryl group which may be substituted with one or more fluorine atom(s), and CH2CH2O-(CH2CH2O)n-R, wherein R is H 49 or a methyl group and n is an integer from 1 to 20; or R2 and R3 may be combined with each other to form a nitrogen-containing aliphatic ring; c) a combination of a) and b); (ii) at least one lithium salt; (iii) a cross-linked pol

ELECTROCHEMICAL CELL

Resumen de: WO2026052182A1

An electrochemical cell (1) is provided as a pouch battery cell having a housing in the form of a pouch film (2) and comprises an anode (3), a cathode (4), and a reference electrode (5) arranged asymmetrically to the anode (3) and the cathode (4), such that the reference electrode (5) is integrated into the pouch film (2).

BATTERY CELL

Resumen de: WO2026052307A1

A battery cell (100) has a cylindrical housing (110) and an electrode winding (120) having a layered structure (200) wound around a winding core (190). At least one electrode has a current collector (150) protruding in the longitudinal direction, wherein the electrode winding (120) is arranged in the housing (110) in such a way that an electrical contact to a positive terminal or negative terminal of the battery cell (100) is formed by the current collector (150). The current collector (150) has a plurality of tabs (151, 152) which extend in the longitudinal direction from corresponding tabs of the anode layer and the cathode layer, wherein the tabs (151, 152) are bent over in order to thus form a contact plane on a corresponding end face of the electrode winding (120) for the electrical contact. The tabs (151, 152) are bent in a direction toward the winding core (190) in a first region, which circumferentially adjoins an outer circumference of the electrode winding (120), and in a direction away from the winding core (190) in a second region of the end face, which circumferentially adjoins the winding core (190).

CATHODE ACTIVE MATERIAL ENCAPSULATED IN NANOSTRUCTURED METAL PYROPHOSPHATE PARTICLES, AND USE THEREOF IN SODIUM ION BATTERIES

Resumen de: WO2026051386A1

A coated cathode active material for a sodium ion secondary battery, the coated cathode active material comprising particles of a cathode active material for a sodium ion secondary battery encapsulated within a coating layer of nanostructured zirconium pyrophosphate particles produced by flame spray pyrolysis.

IRON PHOSPHATE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE MATERIAL, POSITIVE ELECTRODE SHEET, AND SECONDARY BATTERY

Resumen de: WO2026051096A1

Provided are an iron phosphate material and a preparation method therefor, a positive electrode material, a positive electrode sheet, and a secondary battery. The iron phosphate material is doped with titanium. At least part of the surface of primary particles of the iron phosphate material has a laminated structure. In a plurality of lamellas of the laminated structure, any two adjacent lamellas are respectively located on one side of each other. The preparation method comprises: providing a mixed solution comprising a ferrous salt, a titanium salt and a phosphate; mixing the mixed solution with a first alkali source to obtain a first slurry; adding an oxidant and a second alkali source to the first slurry to obtain a second slurry; performing a first solid-liquid separation treatment on the second slurry to obtain a filter cake; mixing the filter cake with a phosphoric acid solution, and aging the resulting mixture to obtain a third slurry; and performing a second solid-liquid separation treatment on the third slurry, then drying same, and performing a calcination treatment to obtain an iron phosphate material. Further provided are a positive electrode material comprising the iron phosphate material, a positive electrode sheet comprising a positive electrode active layer of the positive electrode material, and a secondary battery comprising the positive electrode sheet.

ELECTROCHEMICAL SYSTEM, AND METHOD FOR OPERATING AN ELECTROCHEMICAL SYSTEM

Resumen de: WO2026052170A1

The invention relates to an electrochemical system (1), in particular a battery system, to be assigned a first cell stack (3), which comprises a plurality of liquid electrolyte cells (5), and a second cell stack (2, 4), which comprises a plurality of solid electrolyte cells (6). The electrochemical system (1) operates with a combined fluid-operated heat transport system (9) that exchanges heat via solid bodies and is designed to transport heat between the various cell stacks (2, 3, 4).

Energiespeicher mit Isolationsschicht und Verfahren zur Herstellung eines elektrischen Energiespeichers mit Isolationsschicht

Resumen de: DE102024125882A1

Es wird ein Verfahren (500) zur Herstellung eines elektrischen Energiespeichers (110, 400) beschrieben, wobei der elektrische Energiespeicher (110, 400) eine Vielzahl von Speicherzellen (200) umfasst und wobei die einzelnen Speicherzellen (200) jeweils Kontaktpunkte (201, 202) zur elektrischen Kontaktierung der jeweiligen Speicherzelle (200) aufweisen. Das Verfahren (500) umfasst das Anordnen (501) eines Zellverbinders (350) an den Kontaktpunkten (201, 202) von zumindest zwei Speicherzellen (200), wobei der Zellverbinder (350) eine leitende Schicht (301) aufweist, die an einer den Speicherzellen (200) zugewandten Seite eine Isolationsschicht (302) aufweist, wobei die Isolationsschicht (302) an Kontaktbereichen (231, 232) für die Kontaktpunkte (201, 202) der Speicherzellen (200) jeweils eine Aussparung (303) aufweist, und wobei die leitende Schicht (301) an einer von den Speicherzellen (200) abgewandten Seite keine Isolationsschicht (304) aufweist. Des Weiteren umfasst das Verfahren (500) das Verbinden (502) der Kontaktbereiche (231, 232) des Zellverbinders (350) jeweils paarweise mit den Kontaktpunkten (201, 202) der Speicherzellen (200), sowie im Anschluss an das Verbinden (502), das Anordnen (503) einer weiteren Isolationsschicht (362) an der abgewandten Seite der leitenden Schicht (301) des Zellverbinders (350).

Verfahren und Vorrichtung zur Ermittlung eines temperaturabhängigen Emissionskoeffizienten eines Prüfkörpers

Resumen de: DE102024126202A1

Die vorliegende Erfindung betrifft ein Verfahren zur Ermittlung eines temperaturabhängigen Emissionskoeffizienten eines Prüfkörpers, insbesondere einer Batterieelektrodenfolie. Ferner betrifft die Erfindung eine Vorrichtung zur Durchführung eines derartigen Verfahrens. Ferner betrifft die Erfindung eine Prozessanlage zur Herstellung einer Batterieelektrode.

SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME

Resumen de: US20260074377A1

A separator for an electrochemical device according to one embodiment of the present disclosure includes: a porous polymer substrate; and a coating layer provided on at least one surface of the porous polymer substrate, and including a polymer binder and inorganic particles, in which the porosity of the porous polymer substrate is about 50% to 65%.

SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE COMPRISING SAME

Nº publicación: US20260074369A1 12/03/2026

Solicitante:

LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD

Resumen de: US20260074369A1

Disclosed is a separator for an electrochemical device and an electrochemical device including the same. The separator for the electrochemical device can reduce the weight of the separator, can improve the energy density of a battery, and can enhance stiffness because cellulose nanocrystals are included in a porous polymer base.