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VANADIUM BASED FLOW BATTERY STACK

Resumen de: US20260074256A1

A flow cell battery that includes at least one electrochemical cell. The electrochemical cell includes: an ion exchange membrane; a 1 mm to 4 mm thick anode; an anode current collector; a first bipolar plate disposed between the anode and the anode current collector; a first flow frame that defines first flow channels; a first tank including an anolyte that includes V4+ and V5+; a first pump to flow the anolyte from the first tank into the first flow channels; a 1 mm to 4 mm thick cathode; a cathode current collector; a second bipolar plate disposed between the cathode and the cathode current collector; a second flow frame that defines second flow channels; a second tank including a catholyte that includes V2+ and V3+; and a second pump to flow the catholyte from the second tank into the second flow channels.

METHOD FOR MANUFACTURING MULTISCALE-STRUCTURED METAL SUPPORT FOR LOW-TEMPERATURE THIN-FILM SOLID OXIDE FUEL CELL, AND METAL SUPPORT MANUFACTURED THEREBY

Resumen de: US20260074255A1

Provided is a method for manufacturing a multiscale structured metal support for low-temperature thin-film solid oxide fuel cells and to a metal support manufactured thereby. The method includes (a) filling the pores on the surface of a porous metal support with a first metal powder having a relatively large particle size; (b) filling the pores on the surface of the porous metal support with a second metal powder having a relatively small particle size and pressing the surface; (c) heat-treating the porous metal support, whose surface pores are filled with the first and second metal powders, in a reducing atmosphere; and (d) filling the pores on the surface of the heat-treated porous metal support with a ceramic powder and heat-treating the resulting support in a reducing atmosphere. Through these processes, a multiscale structured metal support suitable for application in low-temperature thin-film solid oxide fuel cells can be fabricated.

MEMBRANE-ELECTRODE ASSEMBLY FOR HIGH-TEMPERATURE POLYMER ELECTROLYTE MEMBRANE FUEL CELL IN CATALYST-COATED MEMBRANE FORM AND METHOD FOR MANUFACTURING SAME

Resumen de: US20260074253A1

A membrane-electrode assembly (MEA) for a polymer electrolyte membrane fuel cell is prepared by applying an electrode slurry onto a release sheet to form an electrode layer, providing an electrolyte membrane comprising a substrate doped with phosphoric acid, and transferring the electrode layer to create a catalyst-coated membrane (CCM). The electrode slurry contains a catalyst, ionomer(s), and a solvent, with a solid content of about 10-15% by weight. The release sheet, comprising polyimide and about 30-80 μm thick, allows uniform coating and transfer. The resulting electrolyte membrane, about 40-50 μm thick, is doped with about 5-9 mg/cm2 of phosphoric acid and includes a hydrocarbon-based polymer substrate. The final MEA exhibits a high-frequency resistance of about 100 mΩ·cm2 or less.

SYSTEMS AND METHODS FOR CAPTURING CARBON DIOXIDE USING A MOLTEN CARBONATE FUEL CELL

Resumen de: US20260074252A1

A fuel cell system includes a molten carbonate fuel cell module including an anode section configured to output an anode exhaust stream including carbon dioxide and hydrogen and a cathode section configured to receive a cathode input stream. The fuel cell system further includes a drying system configured to receive and remove water from the anode exhaust stream and to output a dried anode exhaust stream comprising less than 0.1 percent water and a carbon dioxide solvent extraction system configured to receive the dried anode exhaust stream, expose the dried anode exhaust stream to a physical solvent to absorb carbon dioxide, output a carbon dioxide product stream comprising at least 99 percent carbon dioxide, and output a sweet gas stream.

CORROSION-RESISTANT SYSTEM, CARBON-FREE POWER GENERATION SYSTEM, AND FUEL CELL SYSTEM

Resumen de: US20260074250A1

A corrosion-resistant system, a carbon-free power generation system, and a fuel cell system are provided. The corrosion-resistant system includes an ammonia supply unit; a first conduit connected to the ammonia supply unit; an ammonia decomposition unit comprising a chamber connected to the first conduit; and a second conduit connected to the chamber, wherein an operating temperature of the chamber is 410° C. or lower, the first conduit and the chamber comprise at least one selected from the group consisting of carbon steel, low alloy steel, stainless steel and a nickel-based alloy, and the second conduit comprises a nickel-based alloy (NT) satisfying Equation 1: T≤15 μm.

FUEL CELL ADAPTIVE PURGE DRAIN VALVE CONTROL

Resumen de: US20260074247A1

A fuel cell system for a vehicle includes an anode manifold, a drain valve, and a controller. The controller adjusts the duration for which the drain valve remains open or closed based on changes in the anode pressure slope associated with the valve's operation. The system, for example, increases the duration that the drain valve remains closed in response to a change in the anode pressure slope following an opening command and adjusts the duration that the valve remains open based on changes in the slope resulting from a closing command.

FUEL CELL MODULE

Resumen de: US20260074246A1

A fuel cell module includes a fuel cell stack made up of a plurality of stacked fuel-cell cells, a fuel gas outlet manifold that extends inside the fuel cell stack in a stacking direction, and through which a fuel gas that has passed through each of the fuel-cell cells flows, an oxidant gas outlet manifold that extends inside the fuel cell stack in the stacking direction, and through which an oxidant gas that has passed through each of the fuel-cell cells flows, a discharge flow passage that discharges the oxidant gas from the oxidant gas outlet manifold, a pressure regulating valve provided in the discharge flow passage, the pressure regulating valve being configured to lower a pressure in the discharge flow passage downstream from the pressure regulating valve than a pressure in the oxidant gas outlet manifold, and a water drain flow passage.

FUEL CELL SYSTEM WATER SEPARATOR EFFICIENCY

Resumen de: US20260074245A1

A device for separating liquid water from a recirculation gas stream in a fuel cell system includes an outer cylindrical tank. This tank includes a sidewall with a gas inlet port, a top wall, and a bottom with a water outlet port. The gas inlet port is designed to receive an input stream from the anode side of the fuel cell system. Inside the outer cylindrical tank, an inner protection tube is in fluid communication with the gas outlet port. This inner protection tube allows separated gas to flow to the gas outlet port while preventing liquid water from entering the gas outlet. The inner protection tube has an entry opening for receiving the separated gas flow. The anode knockout device is modified to reduce the formation of water droplets that might be entrained in the recirculation gas steam.

MEMBRANE ELECTRODE ASSEMBLY

Resumen de: US20260074240A1

In this embodiment, an anode catalyst layer disposed on one surface of the solid polymer electrolyte membrane and the other surface of the solid polymer electrolyte membrane are provided. A membrane electrode assembly having a cathode catalyst layer disposed thereon, wherein the membrane electrode assembly comprises a metallic ions selected from cerium ions and manganese ions and a host compound capable of forming a clathrate compound with the metallic ions, wherein the cathode catalyst layer comprises an electrode catalyst, a binder, and an organic nitrogen-containing compound, wherein the electrode catalyst comprises a metal-supported catalyst comprising a catalyst metal and a support supporting the catalyst metal, and wherein the organic nitrogen-containing compound is at least one compound selected from the group consisting of a compound of formula (1), a compound of formula (2), and a compound of formula (3), or a polymer thereof.

LOW-TEMPERATURE RANKINE CYCLE SYSTEM FOR RECOVERING WASTE HEAT FROM A FUEL CELL SYSTEM

Resumen de: US20260074243A1

A fuel cell system includes F fuel cell stacks, where F is an integer greater than or equal to one. A coolant system includes liquid coolant in fluid communication with the F fuel cell stacks. A waste heat recovery system includes a turbine, a generator rotated by the turbine, a condenser in fluid communication with an outlet of the turbine, a pump fluidly coupled to an outlet of the condenser, and a heat exchanger in fluid communication with the coolant system, an inlet of the turbine and an outlet of the pump and configured to exchange heat between the liquid coolant and a working fluid to expand the working fluid supplied to the inlet of the turbine.

Solid Oxide Fuel Cell System with Carbon Capture and Increased Efficiency

Resumen de: US20260074251A1

A fuel cell system including a fuel cell module having an anode inlet configured to receive an anode inlet stream including fuel and an anode outlet configured to output an anode exhaust stream including carbon dioxide and steam, a solid oxide electrolysis cell module configured to receive waste heat and a first portion of the anode exhaust stream from the solid oxide fuel cell module and output an electrolysis output stream including hydrogen and carbon monoxide, wherein at least a portion of the electrolysis output stream is redirected to become a component of the anode inlet stream of the fuel cell module, and a controller configured to operate the solid oxide electrolysis cell module at an endothermic current density

INTERNALLY PRESSURIZED ELECTROCHEMICAL CELL STACKS AND METHODS OF OPERATING AND MAKING THEREOF

Resumen de: US20260074242A1

A method of operating a solid oxide electrolyzer cell stack includes providing steam into a fuel internal riser extending through the solid oxide electrolyzer cell stack at a pressure of at least 15 psig, and electrolyzing the steam in the solid oxide electrolyzer cell stack to generate a hydrogen containing product stream at a pressure of at least 15 psig.

FUEL CELL MODULE

Resumen de: US20260074244A1

A fuel cell module includes a fuel cell stack; a fuel gas outlet manifold that extends inside the fuel cell stack in a stacking direction, is configured such that a fuel gas that has passed through each of fuel-cell cells flows through the fuel gas outlet manifold, and includes a fuel gas discharge port on a first end surface of the fuel cell stack; an oxidant gas outlet manifold that extends inside the fuel cell stack in the stacking direction, is configured such that an oxidant gas that has passed through each of the fuel-cell cells flows through the oxidant gas outlet manifold, and includes an oxidant gas discharge port on a second end surface of the fuel cell stack; and a water drain flow passage that connects an upstream end portion of the fuel gas outlet manifold and the oxidant gas discharge port.

POWER GENERATION SYSTEM

Resumen de: US20260074554A1

A power generation system, including: a container having an interior volume; a fuel cell compartment, which is a portion of the interior volume that is defined by one or more fuel-cell-partitions in the container; a fuel cell located within the fuel cell compartment; a battery compartment, which is a portion of the interior volume that is defined by one or more battery-partitions; a battery located within the battery compartment; a control compartment, which is a portion of the interior volume that is: separated from the fuel cell compartment by the one or more fuel-cell-partitions; separated from the battery compartment by the one or more battery-partitions; an outflow vent; and a fan configured to reduce the air pressure in the fuel cell compartment such that air is drawn through the battery compartment and the fuel cell compartment and exits the container through the outflow vent.

METHOD FOR OBTAINING A CATALYTIC MEMBRANE, CATALYTIC MEMBRANE OBTAINED AND USES THEREOF

Resumen de: US20260070025A1

Calcined or pyrolyzed metal compounds immobilized in membranes based on ionic liquids and/or eutectic solvents. The invention relates to new catalytic membranes synthesized from ionic liquids or deep eutectic solvents and oxidized or pyrolyzed immobilized metal compounds in the membranes. The use of these new catalytic membranes in oxidation/reduction reactions, for application in fuel cells and in water electrolyzers for hydrogen production, is described.

POWER UNIT COMPRISING DISTINCT DROPLETS SEPARATED BY AN AMPHIPHILIC MEMBRANE

Resumen de: AU2024330955A1

The invention relates to a power unit comprising a series of droplets, a method of producing such a power unit, a method of activating such a power unit, an active power unit obtainable from the power unit, a device comprising the power unit or active power unit, a method of generating electric current using the power unit or active power unit, and method of modulating the activities of one or more cells or tissues using the power unit or active power unit.

HYDROGEN FUEL CELL POWERED AUTONOMOUS UNDERWATER VEHICLE

Resumen de: AU2024329853A1

An autonomous underwater vehicle (AUV) including a hydrogen fuel cell is provided. The fuel cell control computer is a separate, stand-alone control system that interfaces with a vehicle control computer (VCC) to ensure safe operation of the fuel cell system. Relay logic for disabling the fuel cell enables the VCC to determine if the fuel cell has shut down, ensuring that the AUV system does not send power to the fuel cell system if there are unsafe conditions.

Brennstoffzelle

Resumen de: DE102025123009A1

Eine Brennstoffzelle mit einer Elektrodenanordnung zwischen einem Paar von Separatoren umfasst eine Dichtung, die auf einer Oberfläche eines der Separatoren auf einer Seite angeordnet ist, die einer Oberfläche auf einer Seite gegenüberliegt, auf der die Elektrodenanordnung, angeordnet ist, und ein vorstehendes Element, das auf einer Oberfläche eines der Separatoren auf einer Seite angeordnet ist, die einer Oberfläche auf einer Seite gegenüberliegt, auf der die Elektrodenanordnung angeordnet ist. Das vorstehende Element ist an einer Außenumfangsrandseite des Separators von der Dichtung angeordnet. Die Höhe des vorstehenden Elements ist kleiner als die Höhe der Dichtung.

ADAPTIVE SPÜLABLASSVENTILSTEUERUNG FÜR EINE BRENNSTOFFZELLE

Resumen de: DE102025136090A1

Ein Brennstoffzellensystem für ein Fahrzeug beinhaltet einen Anodenverteiler, ein Ablassventil und eine Steuerung. Die Steuerung stellt die Dauer, für die das Ablassventil offen oder geschlossen bleibt, auf Grundlage von Änderungen des Anodendruckanstiegs ein, die dem Betrieb des Ventils zugeordnet sind. Das System erhöht zum Beispiel die Dauer, für die das Ablassventil geschlossen bleibt, als Reaktion auf eine Änderung des Anodendruckanstiegs im Anschluss an einen Öffnungsbefehl und stellt die Dauer, für die das Ventil offen bleibt, auf Grundlage von Änderungen des Anstiegs ein, die aus einem Schließbefehl resultieren.

Verfahren zum Betreiben eines Brennstoffzellensystems, Computerprogrammprodukt, Steuereinheit und Brennstoffzellensystem

Resumen de: DE102024208706A1

Die Erfindung betrifft ein Verfahren zum Betreiben eines Brennstoffzellensystems (100) mit mindestens einem Brennstoffzellenstack (101),wobei das Brennstoffzellensystem (100) ein Luftsystem (10) zur Versorgung des mindestens einen Brennstoffzellenstacks (101) mit einem sauerstoffhaltigen Reaktanten aufweist,wobei das Luftsystem (10) mindestens eine Turbine (T) aufweist, die auf einen Verdichtungspfad einwirkt,wobei das Verfahren dazu dient,ein Verdichtungsverhältnis und/oder einen Kathodendruck zu erhöhen, insbesondere ohne signifikante Steigerung eines elektrischen Leistungsbedarfs des Luftsystems (10),das Verfahren aufweisend:(S1) Betreiben des Brennstoffzellensystems (100),(S2) Überprüfen, ob das Verdichtungsverhältnis und/oder der Kathodendruck erhöht werden sollen/soll,(S3) Erhöhen einer Stacktemperatur (TStack).

STEUERUNG EINES BRENNSTOFFZELLENSYSTEMS UNTER VERWENDUNG VON ZELLENSPANNUNGSÜBERWACHUNG

Resumen de: DE102025136369A1

Diese Offenbarung betrifft ein Brennstoffzellensystem für Fahrzeuge, das eine Steuerung beinhaltet, die unter anderem den Stapelstrom und Spülventil- oder Ablassventilvorgänge auf Grundlage eines Energieindikators zur Zellenspannungsüberwachung regelt. Wenn der Energieindikator einen vordefinierten Schwellenwert übersteigt, verringert die Steuerung den Stapelstrom oder stellt das Spülventil oder Ablassventil ein - öffnet es entweder, um Flutung zu mindern, oder schließt es, um Austrocknung zu verhindern.

Verfahren zur Herstellung eines Befeuchtermoduls für einen zur Befeuchtung eines einem Brennstoffzellensystem zuzuführenden Prozessgasstroms eingerichteten Befeuchter, Befeuchtermodul für einen Befeuchter sowie Befeuchter für ein Brennstoffzellensystem aufweisend zumindest ein solches Befeuchtermodul

Resumen de: DE102024126159A1

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung eines Befeuchtermoduls (2) für einen zur Befeuchtung eines einem Brennstoffzellensystem zuzuführenden Prozessgasstroms (3) eingerichteten Befeuchter (5), in dessen Rahmen zumindest eine feuchtigkeitsdurchlässige und lasertransparente Flachmembran (7, 8) und zumindest ein lasertransparentes Plattenelement (9, 10, 11) flächig aneinander angeordnet und mittels eines mittels einer Laservorrichtung (12) bereitgestellten Laserstrahls (13) aus Laserlicht miteinander stoffschlüssig verbunden werden. Die Erfindung betrifft weiterhin ein Befeuchtermodul (2) für einen zur Befeuchtung eines einem Brennstoffzellensystem zuzuführenden Prozessgasstroms (3) eingerichteten Befeuchter (5) sowie einen Befeuchter (5) für ein Brennstoffzellensystem.

MOLEKULARE FLUORKOHLENSTOFFADDITIVE FÜR MEMBRANEN AUF PERFLUORSULFONSÄUREBASIS

Resumen de: DE102024132278A1

Protonenaustauschmembran für eine Vorrichtung zur Energieumwandlung, ein Wasserstoff-Brennstoffzellenstapel für ein Fahrzeug und ein Verfahren zur Herstellung einer Protonenaustauschmembran. Die Protonenaustauschmembran enthält eine erste Schicht aus einem Perfluorsulfonsäure-Ionomer. Darüber hinaus enthält das Perfluorsulfonsäure-Ionomer einen ersten mit Methoxy-Nonfluorbutan beschichteten Zusatzstoff. Der Wasserstoff- Brennstoffzellenstapel umfasst eine oder mehrere Membran-Elektroden-Einheiten, die jeweils eine Protonenaustauschmembran enthalten.

NIEDERTEMPERATUR-RANKINE-PROZESS-SYSTEM ZUR RÜCKGEWINNUNG VON ABWÄRME AUS EINEM BRENNSTOFFZELLENSYSTEM

Resumen de: DE102024129957A1

Ein Brennstoffzellensystem umfasst F Brennstoffzellenstapel, wobei F eine ganze Zahl größer oder gleich eins ist. Ein Kühlmittelsystem umfasst ein flüssiges Kühlmittel, das mit den F Brennstoffzellenstapeln in fluidischer Verbindung steht. Ein Abwärmerückgewinnungssystem umfasst eine Turbine, einen von der Turbine gedrehten Generator, einen Kondensator in fluidischer Verbindung mit einem Auslass der Turbine, eine Pumpe, die mit einem Auslass des Kondensators fluidisch gekoppelt ist, und einen Wärmetauscher in fluidischer Verbindung mit dem Kühlmittelsystem, einem Einlass der Turbine und einem Auslass der Pumpe, der dazu ausgelegt ist, Wärme zwischen dem flüssigen Kühlmittel und einem Arbeitsmittel auszutauschen, um das dem Einlass der Turbine zugeführte Arbeitsmittel zu expandieren.

Brennstoffzellenmodul

Nº publicación: DE102025133281A1 12/03/2026

Solicitante:

TOYOTA MOTOR CO LTD [JP]
TOYOTA JIDOSHA KABUSHIKI KAISHA