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Membranstapel und Luftbefeuchter

Resumen de: DE102024119466A1

Die Erfindung betrifft einen Membranstapel (9) für einen Luftbefeuchter (1) einer Brennstoffzelle zum Befeuchten eines trockenen Zuluftstroms (2) der Brennstoffzelle mittels eines feuchten Abluftstroms (3) der Brennstoffzelle,- wobei der Membranstapel (9) quaderförmig konfiguriert ist, eine Stapelrichtung (S) und quer zur Stapelrichtung (S) vier Stapelseiten (10) aufweist,- wobei der Membranstapel (9) eine parallel zur Stapelrichtung (S) verlaufende Höhenrichtung (Z), eine senkrecht zur Höhenrichtung (Z) verlaufende Längsrichtung (X) und eine senkrecht zur Höhenrichtung (Z) und senkrecht zur Längsrichtung (X) verlaufende Querrichtung (Y) aufweist,- wobei die vier Stapelseiten (10) einen Zulufteinlass (ZE) und einen Zuluftauslass (ZA) bilden, die in der Längsrichtung (X) voneinander abgewandt sind, sowie einen Ablufteinlass (AE) und einen Abluftauslass (AA) bilden, die in der Querrichtung (Y) voneinander abgewandt sind,- wobei der Membranstapel (9) mehrere Membranen (11) aufweist, die für Feuchtigkeit durchlässig und für Luft undurchlässig sind und die in der Stapelrichtung (S) aufeinanderfolgen, derart, dass die Membranen (11) innerhalb des Membranstapels (9) jeweils einen Zuluftpfad (ZP), der den Zulufteinlass (ZE) mit dem Zuluftauslass (ZA) verbindet, von einem Abluftpfad (AP) trennen, der den Ablufteinlass (AE) mit dem Abluftauslass (AA) verbindet.Eine verbesserte Funktionssicherheit lässt sich dadurch erreichen, dass der Membranstapel (9) mehrere Abstandshalt

Verfahren zum Betreiben einer Brennstoffzelle sowie derartige Brennstoffzelle

Resumen de: DE102024206583A1

Ein Verfahren zum Betreiben einer Brennstoffzelle (1) umfasst ein Zuführen eines wasserstoffbeladenen Trägermaterials in einen Anodenraum (3) der Brennstoffzelle (1), ein Dehydrieren des wasserstoffbeladenen Trägermaterials in dem Anodenraum (3) und dadurch Freisetzen von Wasserstoff von dem Trägermaterial, ein Zuführen eines sauerstoffhaltigen Gases oder Gasgemisches in einen Kathodenraum (4) der Brennstoffzelle (1), einen Transport von Sauerstoffionen von dem Kathodenraum (4) durch einen Elektrolyten (5) in den Anodenraum (3), ein Verstromen des freigesetzten Wasserstoffs mittels der Sauerstoffionen in dem Anodenraum (3), eine Oxidation des dehydrierten Trägermaterials durch Kontaktieren mit einem Oxidationskatalysator in dem Anodenraum (3) und dadurch zusätzliches Freisetzen von Wasserstoff von dem Trägermaterial sowie ein Verstromen des zusätzlich freigesetzten Wasserstoffs mittels der Sauerstoffionen in dem Anodenraum (3).

SYSTEM AND PROCESS FOR IMPROVING THE ELECTROLYSIS OF SALTWATER

Resumen de: WO2026013303A1

The invention provides a system and process for facilitating the direct electrolysis of saltwater, such as seawater. The system comprises an acid-base flow battery comprising an acid solution outlet, an alkaline solution outlet and a saltwater inlet; and a water electrolyser downstream of the acid-base flow battery for producing hydrogen, comprising a negative electrode and a positive electrode.

METHOD FOR PRODUCING A CELL LAYER, AND ELECTRODE-COATED CELL LAYER

Resumen de: WO2026012870A1

The invention relates to a method for producing an electrode-coated cell layer (100) for an electrochemical cell stack, in particular a fuel cell stack or an electrolysis cell stack, and at least one catalyst-containing electrode (120, 130), in particular an anode electrode (120) and/or a cathode electrode (130), for the cell stack, is applied to a cell stack substrate (110), wherein an electrode coating material is printed, by means of a screen printing method, onto a large-area outer side of the cell stack substrate (110), said electrode coating material being printed as a screen-printed electrode (120, 130) which has a planar pattern in two length dimensions and is structured in its thickness dimension (D).

METHOD FOR OPERATING A FUEL CELL SYSTEM

Resumen de: WO2026012884A1

A method for operating a fuel cell system (2), comprising the steps of determining (100) an electrical power of an electrically operated component (4) of the fuel cell system (2) at at least one defined operating point of the fuel cell system (2), comparing (200) the determined electrical power of the electrically operated component (4) with the electrical power of an electrically operated component (4) of a reference fuel cell system (2') at at least one defined operating point, ascertaining (300) a difference between the determined electrical power of the electrically operated component (4) of the fuel cell system (2) and the determined electrical power of the electrically operated component (4) of the reference fuel cell system (2'), and adjusting (400) the determined electrical power of the electrically operated component (4) of the fuel cell system (2) by the ascertained difference.

SYSTEM FOR HUMIDIFYING GAS, IN PARTICULAR AIR

Resumen de: WO2026013485A1

The present invention relates to a system (1) for humidifying gas, in particular air, comprising: - a first branch (2) for transporting dry gas (200) to be humidified, having an inlet (3) and an outlet (4); - a second branch (5) for transporting humid gas (201), having an inlet (6) and an outlet (7); - a humidifier device (8), operatively connected to the first branch (2) and the second branch (5), configured to exchange water between dry gas (200) in the first branch (2) and humid gas (201) in the second branch (5) wherein the humidifier device (8) comprises a membrane humidifier; - at least one accumulator device (9) operatively connected to the humidifier device (8) along the first branch (2) and/or at least one accumulator device (9) operatively connected to the humidifier device (8) along the second branch (5), configured to draw and release water or water vapor from/into the dry gas (200) stream flowing through the first branch (2) or from/into the humid gas (201) stream flowing through the second branch (5), wherein the at least one accumulator device (9) comprises adsorbent material capable of adsorbing and desorbing water or water vapor from/into the dry air (200) stream flowing through the first branch (2) or from/into the humid air (201) stream flowing through the second branch (5).

Verfahren zum Herstellen einer Zelllage sowie elektroden-beschichtete Zelllage

Resumen de: DE102024206447A1

Die Erfindung betrifft ein Verfahren zum Herstellen einer elektroden-beschichteten Zelllage (100) für einen elektrochemischen Zellenstapel, insbesondere einen Brennstoffzellenstapel oder einen Elektrolysezellenstapel, und wenigstens eine katalysatorhaltige Elektrode (120, 130), insbesondere eine Anodenelektrode (120) und/oder eine Kathodenelektrode (130), für den Zellenstapel, auf ein Zellenstapel-Substrat (110) aufgebracht wird, wobei auf eine großflächige Außenseite des Zellenstapel-Substrats (110) durch ein Siebdruckverfahren ein Elektroden-Beschichtungsstoff als eine in zwei Längendimensionen flächig gemusterte und in ihre Dickendimension (D) strukturierte Siebdruckelektrode (120, 130) aufgedruckt wird.

Brennstoffzellenstapelstruktur

Resumen de: DE102024120042A1

Die Erfindung betrifft eine Brennstoffzellenstapelstruktur (1), umfassend eine Membranelektrodenanordnung (10) und an beiden Seiten der Membranelektrodenanordnung (10) angeordnete Stromsammelplatten (20), wobei jede der Stromsammelplatten (20) einen inneren, der Membranelektrodenanordnung (10) zugewandten Stromleiter (22) und einen äußeren, der Membranelektrodenanordnung (10) abgewandten Stromleiter (24) aufweist, wobei die Stromsammelplatten (20) ausgebildet sind, sich durch eine elektrische Verlustleistung der Stromsammelplatten (20) zumindest bereichsweise zu erwärmen, um die Membranelektrodenanordnung (10) zumindest bereichsweise zu erwärmen.

FUEL CELL SYSTEM USING A BATTERY PACK IN GENERALLY CYLINDRICAL FORM

Resumen de: WO2026012950A1

The invention relates to a fuel cell-based electrical power supply system, the system comprising a fuel cell (80), an electric battery arrangement (85) downstream of the fuel cell, a dihydrogen gas supply arrangement, a plurality of locations, each location being configured to receive a hydrogen tank (3) in the form of a generally cylindrical bottle, at least one of the locations (1) being configured to receive, instead of a hydrogen tank, a battery pack having a shape substantially close to a hydrogen tank (3).

PREPARATION OF POLYMERS FOR AEM WATER ELECTROLYSIS WITH REDUCED TENDENCY TO SWELL

Resumen de: WO2026012895A1

The invention is concerned with the preparation of anion-conducting polymers intended for use in alkaline membrane water electrolysis. Specifically, the intention is to reduce the tendency of anion-conducting polymers to swell in alkaline aqueous solutions, without severely impairing the specific anion conductivity of these polymers. This is achieved by adding a further reactant to the reaction mixture. In total, the polymer is prepared from three reactants, namely from 4,4-bis(4-hydroxy-3,5-dimethylphenyl)-1-methylpiperidine (formula I), from 4,4'-difluorobenzophenone (formula II), and from 4,4'- dihydroxybenzophenone (formula III) or from bis(4-hydroxy-3,5-dimethylphenyl)methanone (formula IV).

Brennstoffzellenabgasanlage, Brennstoffzellensystem und Verfahren zum Verringern des Wasserstoffgehalts in Brennstoffzellenabgas

Resumen de: DE102024119423A1

Eine Brennstoffzellenabgasanlage für ein Brennstoffzellensystem, insbesondere in einem Fahrzeug, umfasst eine Wasser-Abscheideanordnung (24) zum Abscheiden von in Brennstoffzellenabgas (B) enthaltenem Wasser (W) sowie eine Wasserstoff-Katalysatoranordnung (30) zum katalytischen Umsetzen von im Brennstoffzellenabgas (B) enthaltenem Wasserstoff stromabwärts der Wasser-Abscheideanordnung (24).

A METHOD OF PRODUCING METAL COMPOUNDS FOR COATING APPLICATIONS

Resumen de: WO2026012574A1

The invention relates to a method for producing metal compounds for coating applications (10), said method comprising providing a metal beta-dicarbonylate, wherein the metal is a metal of the fourth group in the periodic table, providing a metal carboxylate, wherein the metal is said metal of the fourth group in the periodic table, forming a reaction mixture comprising said metal beta-dicarbonylate, said metal carboxylate, and at least one solvent, and reacting the metal beta-dicarbonylate with the metal carboxylate to obtain a metal compound for coating applications (10). The invention also relates to a metal compound for coating applications (10), to a coating solution (12) and to a method of coating a work piece (14).

燃料電池セルの製造方法

Resumen de: JP2026004642A

【課題】プレート部材とセパレータとを粘着剤で接合する場合に粘着剤の厚みが部分的に変化することを抑制する。【解決手段】膜電極接合体および膜電極接合体を支持するフレームを有するプレート部材と、プレート部材を挟持する一対のセパレータのうちの１つと、を接合する燃料電池セルの製造方法は、フレームのセパレータと対向する面である第１面に、予め定められた幅を有する線状に粘着剤を塗布する第１工程と、粘着剤の幅方向の端部に、粘着剤よりも硬度の高い硬化部を作成する第２工程と、第１面と対向する面である第２面を有し、第２面を上方に向けて配置されているセパレータに対して、第１面を下方に向けて吊り下げられているプレート部材を相対的に移動させて、硬化部と第２面とを接触させる第３工程と、硬化部が第２面に接触した状態で、第２面に平行な方向にプレート部材をセパレータに対して相対的に移動させて位置決めを行う第４工程と、を備える。【選択図】図５

燃料電池

Resumen de: US20260005266A1

A fuel cell disclosed in the present specification includes a membrane electrode assembly, a separator adjacent to the membrane electrode assembly, and a gas channel through which fuel gas, oxygen gas, or air passes. The gas channel is provided on a face of the separator, the face facing the membrane electrode assembly. The gas channel has a wave shape extending in a lateral direction while meandering in an up-down direction. The gas channel includes an upward convex curved portion and a downward convex curved portion that are alternately connected. The downward convex curved portion is shorter than the upward convex curved portion. By making the downward convex curved portion shorter than the upward convex curved portion, water remaining in the downward convex curved portion is easily blown downstream by the force of the gas. That is, the amount of water remaining in the gas channel can be reduced.

触媒層付き電解質膜の製造装置

Resumen de: JP2026004961A

【課題】触媒層付き電解質膜の外観品質を向上させることができる製造装置を提供すること。【解決手段】高分子電解質膜の表面に触媒インクを塗工して触媒層付き電解質膜を製造する製造装置は、幅方向に直交する長手方向に沿って高分子電解質膜を搬送方向に搬送する搬送部と、高分子電解質膜の表面に触媒インクを吐出する触媒インク吐出部と、触媒インク吐出部よりも搬送方向の上流側の位置で、高分子電解質膜の表面に混合薬液を吐出する薬液吐出部と、混合薬液は、少なくとも水を含む第１薬液と、蒸発速度が水よりも遅い液体を含む第２薬液とを含む。【選択図】図１

MANIFOLD ASSEMBLY, STACK END PLATE, AND DUAL-STACK FUEL CELL SYSTEM

Resumen de: US20260018644A1

A manifold assembly for a dual-stack fuel cell system includes a first manifold structure for delivering one of an oxidant and a coolant, the first manifold structure including a first branch channel and a first main manifold channel in fluid communication with the first branch channel and extending at least partially superposed over the first branch channel, wherein the first branch channel is open on a side opposite to the first main manifold channel for sealing connection to a surface of a stack end plate, such that one of the oxidant and coolant is guided along the surface of the stack end plate therein. The manifold assembly further includes a second manifold structure for delivering the other of the oxidant and coolant, the second manifold structure including two end plate interfaces configured to be connected to the stack end plate in a manner perpendicular to the surface of the stack end plate, a second branch passage fluidly connecting the two end plate interfaces, and a second main manifold channel in fluid communication with and extending at least partially superposed over the second branch passage. A stack end plate and a dual-stack fuel cell system are also disclosed.

ELECTROCHEMICAL DEVICE, BATTERIES, METHOD FOR HARVESTING LIGHT AND STORING ELECTRICAL ENERGY, AND DETECTION METHODS

Resumen de: US20260018711A1

The present invention relates to an electrochemical device, comprising a negative electrode comprising a nitrogen-containing electron storage material, a positive electrode, and an electrolyte, wherein the nitrogen-containing electron storage material has a two-dimensional or a three-dimensional covalent structure, contains heptazine and/or triazine moieties, and is capable of intercalating and de-intercalating cations. The present invention is further directed to a uses the material, a photorechargeable battery, an autophotorechargeable battery, a redox-flow-battery, a method for harvesting light and storing electrical energy, a method for detecting and removing oxygen, and a method for detecting light.

NANOGRID DEVICE FOR OFF-GRID POWER

Resumen de: US20260019031A1

A nanogrid device for off-grid power includes a housing and a plurality of energy-receiving components coupled to the housing. The energy-receiving components are movable relative to the housing from a first, stored position to a second, fully deployed position. The energy-receiving components are configured to form an A-frame structure in the second, fully deployed position, and the housing is configured to be disposed underneath the A-frame structure in the second, fully deployed position.

Flow Battery Fluid Exchange System and Method

Resumen de: US20260018641A1

The flow battery system includes a positively charged tank comprising a positively charged electrolyte, a negatively charged tank comprising a negatively charged electrolyte, a cell stack comprising a positive electrode and a negative electrode separated by a membrane operable to allow permeation of an ion between the positive electrode and the negative electrode, a plurality of flow tubes connecting these components, a power source operable to provide an electric current to said electrodes, a pump operable to pump electrolyte throughout the system, and a drainage tube and diverter that tie into the existing system and utilize the existing system's power source and pumps to pump electrolyte into and out of the system to allow for routine maintenance and repairs.

SYSTEMS AND METHODS FOR HARNESSING THERMAL GRADIENT ENERGY

Resumen de: US20260018642A1

A method and system of generating electrical power or hydrogen from thermal energy is disclosed. The method includes adding heat to (or removing heat from) a salinity gradient generator configured to generate a more concentrated and a less concentrated saline solution. The method further includes drawing the more concentrated saline solution and the less concentrated saline solution from the salinity gradient generator and feeding the more concentrated saline solution and the less concentrated saline solution into a power generator. Feeding the saline solutions into the power generator causes the power generator to receive the saline solutions and generate power by performing a controlled mixing of the more concentrated saline solution and the less concentrated saline solution. The method further includes drawing, from the power generator, a combined saline solution comprising the mixed saline solutions and feeding the combined saline solution to the salinity gradient generator.

POWER OUTLET ASSEMBLY FOR ELECTRIC STACK, PARTICULARLY FUEL CELL STACK

Resumen de: US20260018643A1

An electric cell stack assembly includes at least an electric energy generating cell stack body with a plurality of stacked unit cells. Each unit cell is a unit fuel cell includes a bipolar plate and a membrane electrode assembly, a first and second terminal plate sandwiching the cell stack body, which are adapted to collect the electric energy generated by the cell stack body. Each terminal plate includes a power output terminal, which is connectable to an external connector, and a tightening arrangement adapted to tighten the external connector to the power output terminal, for providing an electric connection between the external connector and the power output terminal. The tightening arrangement includes at least a first nut and a threaded element wherein the threaded element is adapted to be screwed into the first nut with a first end, and wherein the first nut is adapted to provide a tightening stop for the threaded element.

ARTIFICIAL PHOTOSYNTHESIS ENERGY SYSTEMS AND METHODS

Resumen de: US20260018639A1

There is provided an artificial photosynthesis energy device, the device comprising: an artificial photosynthesis fuel generator, incorporating: an inlet for receiving at least one of a feed material and at least one byproduct, a reactor which uses light energy from a light source to convert the at least one of the feed material and the at least one byproduct to a fuel, and an outlet which feeds the fuel to a power generator which generates electricity and produces the at least one byproduct from the fuel; the power generator, incorporating: an inlet fluidly connected to the outlet of the artificial photosynthesis fuel generator, and an outlet, wherein the device further comprises: a recycler which directs at least a portion of the at least one byproduct from the outlet of the power generator to the inlet of the artificial photosynthesis fuel generator.

GAS FLOW RATE MEASUREMENT FOR REDOX FLOW BATTERY SYSTEMS AND OTHER CLOSED SYSTEMS AND METHODS OF MAKING AND USING

Resumen de: US20260018637A1

A U-tube arrangement for monitoring, observing, or measuring gas flow or gas generation of in a closed system can include a U-tube having a first arm, a second arm, and a bridge connecting the first arm to the second arm; a liquid disposed in the U-tube; an attachment conduit for coupling to the closed system and in fluid communication with the first arm of the U-tube and the closed system; a first valve for controlling fluid flow between the first arm of the U-tube and the closed system; an external conduit in fluid communication with the second arm of the U-tube and either an external atmosphere or external pressure source; and liquid level sensors disposed along at least one of the first arm or the second arm.

Lewis/Bronsted acid/base and nickel phosphide binary catalyst-system (co-catalysts) for direct electrochemical CO2 reduction to hydrocarbons

Resumen de: AU2025279730A1

Disclosed are cathodes comprising a conductive support substrate having an electro- catalyst coating containing nickel phosphide nanoparticles and a co-catalyst. The conductive support substrate is capable of incorporating a material to be reduced, such as CO2 or CO. A co- catalyst, either incorporated into the electrolyte solution, or into the conductive support, or adsorbed to, deposited on, or incorporated into the bulk cathode material, alters the electro- catalyst properties by increasing the carbon product selectivity through interactions with the reaction intermediates. Also disclosed are electrochemical methods for selectively generating hydrocarbon and/or carbohydrate products from CO2 or CO using water as a source of hydrogen. ec e c

SUSTAINABLE ENERGY DELIVERY SYSTEM, CONTROLLER, AND METHOD

Nº publicación: US20260018638A1 15/01/2026

Solicitante:

EQT CORP [US]
EQT Corporation

Resumen de: US20260018638A1

An integrated low-carbon energy system includes a controller configured to control an amount of H2 gas added to pipe-based delivery system that carries mixture of a fossil fuel in gaseous form with the H2 gas as a minority component by volume, an H2-compatible fuel cell that converts the mixed gas into electricity, a data interface that receives an H2 allocation request signal on behalf of a facility that receives electricity produced by the H2-compatible fuel cell, wherein in response to the H2 allocation request signal, the controller is configured to control a change an addition rate of H2 from a first level to a second level that corresponds with a level requested in the request signal.