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DETECTION OF DAMAGE TO COMPONENTS WITHIN AN ELECTROLYZER STACK DURING OPERATION

Resumen de: US20260308789A1

An electrolyzer producing hydrogen. According to an aspect, the electrolyzer contains a stack producing a first fluid containing oxygen and a second fluid containing hydrogen upon application of voltage across the stack. A first pipe carries the first fluid away from the stack. A sensor is operable to send vibration signals representing a measure of vibrations of the first pipe when carrying the first fluid away from the stack, and a detection system operates to detect damage to one or more components within the stack based on the vibration signals.

CONTINUOUS PRODUCTION SYSTEM AND METHOD FOR SYNTHETIC NATURAL GAS

Resumen de: WO2026212402A1

According to the present invention, a continuous production system for synthetic natural gas may be provided in a continuous process system for converting carbon dioxide into synthetic natural gas. The continuous production system for synthetic natural gas comprises: an electrochemical reactor which receives carbon dioxide and water and generates synthetic gas through an electrochemical reaction; and a thermochemical reactor which receives the generated synthetic gas from the electrochemical reactor and generates methane through a thermochemical reaction. The electrochemical reactor includes a negative electrode containing a silver (Ag) or gold (Au)-based catalyst and reduces carbon dioxide to carbon monoxide. The electrochemical reactor generates synthetic gas having a ratio of carbon monoxide to hydrogen of 1:2.90 to 1:3.54.

STEAM ELECTROLYSIS APPARATUS AND METHOD FOR OPERATING THE SAME

Resumen de: WO2026211282A1

Provided is a steam electrolysis apparatus capable of heating a cell stack so as to have a desired temperature distribution. The steam electrolysis apparatus includes: a cell stack group (101G) in which electrolysis cells composed of a hydrogen electrode, an electrolyte, and an oxygen electrode are electrically connected via an interconnector; and a heating tube (3) that heats the cell stack group (101G). A portion of the heating tube (3) is heated by a high-temperature heat medium and the other portion is heated by a heat medium having a lower temperature than the high-temperature heat medium so as to approach a target temperature distribution (T1) that is a target of the cell stack group (101G).

STEAM ELECTROLYSIS APPARATUS

Resumen de: WO2026211281A1

The present invention provides a steam electrolysis apparatus capable of heating a cell stack as uniformly as possible. The steam electrolysis apparatus comprises: a cell stack group (101G) including a plurality of cell stacks arranged side by side, each cell stack including electrolysis cells electrically connected via interconnectors, each electrolysis cell comprising a hydrogen electrode, an electrolyte, and an oxygen electrode; and a heating tube (3) provided outside the cell stack group (101G) and through which a heating medium flows. The heating tube (3) is provided at a position spaced apart from the cell stack group (101G) by a predetermined distance. The heating tube (3) is provided helically around the cell stack group (101G).

Electrolysis drain system

Resumen de: FI20253120A1

The present disclosure relates to an electrolysis apparatus drain (2) system comprising a storage vessel (16) configured to receive an extracted fluid and a pressure regulation valve (28) fluidly connected to the storage vessel (16) and provided downstream of the storage vessel (16). A drain valve (30) is configured to control flow of the extracted fluid from the storage vessel (16) and provided downstream of the pressure regulation valve (28). An upstream side of the pressure regulation valve (28) is provided at the same pressure environment as the storage vessel (16) and a downstream side of the pressure regulation valve (28) provides a predetermined pressure at the drain valve (30).

SCALABLE AUTOMATED OXYHYDROGEN-PRODUCTION, STORAGE, AND UTILIZATION SYSTEM

Resumen de: US20260308773A1

The system produces, stores, and utilizes Oxyhydrogen gas in scalable quantities for direct or indirect use in multiple applications where process automation and safety features provide continuous duty with a maximum level of safety and a minimum of maintenance. In an embodiment, the system generates Oxyhydrogen Gas using a generator/electrolyzer, a reservoir, a control module, a compression process, flash back arrestor with thermal indication, storage, safety release module, and a utilization burner module and/or a combustion module. In and embodiment There are an additional sub-systems and their components that support production including distilled water, caustic solution, heat exchange, vacuum pump, and De-Foamer.

Verfahren zum Minimieren einer Degradation von Zellen in einem Zellstapel eines Elektrolysesystems

Resumen de: DE102025113540A1

Die vorgestellte Erfindung betrifft ein Verfahren (100) zum Minimieren einer Degradation von Zellen in einem Zellstapel (201) eines Elektrolysesystems (200), wobei das Verfahren (100) umfasst:- Betreiben (101) des Elektrolysesystems (200) in einem Elektrolysebetrieb, bei dem Wasser in den Zellen durch Zufuhr von elektrischem Strom in Wasserstoff und Sauerstoff gespalten wird,- Beenden (103) des Elektrolysebetriebs und- Verdrängen (105) zumindest eines Teils eines in dem Zellstapel (201) befindlichen Elektrolyten durch ein Austauschfluid aus dem Zellstapel (201), nachdem der Elektrolysebetrieb beendet wurde.

Photokatalysevorrichtung, Photokatalyseverfahren, Wärmeenergieerzeugungsvorrichtung und Wärmeenergieerzeugungsverfahren

Resumen de: DE102025113773A1

Die vorliegende Erfindung betrifft eine Photokatalysevorrichtung mit wenigstens einem Photokatalysereaktor. Die Erfindung betrifft darüber hinaus ein Photokatalyseverfahren, bei dem Wasserdampf und/oder Wasser wenigstens einem Photokatalysereaktor zugeführt wird/werden, in dem der Wasserdampf und/oder das Wasser photokatalytisch in Wasserstoff und Sauerstoff aufgespalten wird/werden. Erfindungsgemäß weist der wenigstens eine Photokatalysereaktor jeweils einen Innenraum mit wenigstens einem Wasserdampf- und/oder Wassereinlass und wenigstens teilweise eine dem Innenraum des jeweiligen Photokatalysereaktors zugewandte Innenbeschichtung auf und ist bis auf seine Medienein- und auslässe nach außen dicht, wobei an oder um eine(r) Außenseite des Photokatalysereaktors wenigstens eine Erwärmungseinrichtung oder eine Abwärmezufuhr angeordnet ist, wobei die Innenbeschichtung ein keramisches, einen Katalysator für eine Photokatalyse ausbildendes Funktionsmaterial aufweist und in dem Innenraum des jeweiligen Photokatalysereaktors ein Wasserstoffkanal ausgebildet ist, dessen Kanalwandung zumindest teilweise als eine für Wasserstoff durchlässige, aber für Sauerstoff, Stickstoff und Wasser undurchlässige Membran ausgebildet ist.

Pressure control system for electrolysis arrangement

Resumen de: FI20253122A1

The present invention relates to a pressure control system (2) for an electrolysis arrangement comprising at least one sensor (22) configured to determine a pressure difference (Δp) between two fluid pathways comprising respective resultant fluids produced by an electrolysis stack (4) in use. At least one valve (20) configured to allow fluid flow therethrough to control pressure in the at least one of the fluid pathways. A controller (24) is configured to determine if said pressure difference (Δp) exceeds a threshold pressure difference (p*) and to control the valves (20) to reduce said pressure difference by continuously and/or in real-time adjusting the valve (20).

CONTROL METHOD FOR ADJUSTING THE UTILISATION OF AN ELECTROLYSIS SYSTEM

Resumen de: WO2026209255A1

The present invention relates to a control method for adjusting the utilisation of an electrolysis system (1) by means of a central system controller (5), wherein the system controller (5) is designed such that at a time t0, a maximum available capacity Lplant of the electrolysis system (1) can be set, within the physical limits Lmin to Lmax of the electrolysis system (1), as a first target value for first discrete time periods of a time interval t1 to t2, and such that at time t0, the utilisation of the electrolysis system (1) Splant can be set within the maximum available capacity Lplant, as a second target value for second discrete time periods of a time interval ta to t2 wherein t2 > t1 ≥ t0, and wherein an electrical power or an amount of hydrogen is specified to the system controller (5) as the first and the second target value.

Verfahren zur Herstellung einer Elektrolysezelle, Elektrolysezelle

Resumen de: DE102025113113A1

Vorgeschlagen wird ein Verfahren zur Herstellung einer Elektrolysezelle (1), umfassend zwei Elektroden (2, 3) mit einem dazwischen angeordneten Separator (4). Dabei wird zur Ausbildung zumindest einer Elektrode (2, 3) ein Elektrodenmaterial (5) auf eine poröse Transport- (6) und/oder Gasdiffusionslage (7) aufgebracht. Erfindungsgemäß wird vor dem Aufbringen des Elektrodenmaterials (5) eine perforierte Metallfolie (8) auf die poröse Transport-(6) und/oder Gasdiffusionslage (7) aufgebracht. Beim anschließenden Aufbringen des Elektrodenmaterials (5) auf die Oberfläche (8) der perforierten Metallfolie (8) werden Bereiche der porösen Transport- (6) und/oder Gasdiffusionslage (7), die durch die perforierte Metallfolie (8) freigelassenen werden, gezielt ausgespart.Darüber hinaus betrifft die Erfindung eine Elektrolysezelle (1).

Elektrolysesystem, Verfahren zum Betreiben eines Elektrolysesystems

Resumen de: DE102025113548A1

Die Erfindung betrifft ein Elektrolysesystem (1), umfassend mindestens einen Elektrolysestack (2) mit einer Anode (3) und einer Kathode, wobei der Anode (3) über einen Anodenkreislauf (4) ein Elektrolyt, insbesondere Wasser, zuführbar ist und wobei in den Anodenkreislauf (4) mindestens ein Gas-Flüssigkeitsseparator (5) zur Aufbereitung des Elektrolyten integriert ist. Erfindungsgemäß sind in den Anodenkreislauf (4) mindestens zwei Gas-Flüssigkeitsseparatoren (5, 6) integriert, die hydraulisch parallelgeschaltet sind, wobei mindestens einer der Gas-Flüssigkeitsseparatoren (5, 6) über ein einlassseitiges erstes Ventil (7) und ein auslassseitiges zweites Ventil (8) vom Anodenkreislauf (4) trennbar ist.Die Erfindung betrifft ferner ein Verfahren zum Betreiben eines Elektrolysesystems (1).

DIHYDROGEN PRODUCTION USING GEOTHERMAL ENERGY

Resumen de: WO2026209361A1

System (1) comprising a dihydrogen production installation (3), a geothermal installation (2) and an installation (4) configured to transfer heat from a geothermal fluid (9) supplied by the geothermal installation (2) to an inlet stream (8) feeding the dihydrogen production installation (3). Method for implementing this system (1).

Elektrolyseur und Verfahren und Betrieb eines Elektrolyseurs

Resumen de: DE102025113543A1

Die Erfindung betrifft einen Elektrolyseur (1) zur Erzeugung von Wasserstoff (H2) und Sauerstoff (O2) als Produktgase, mit einem Elektrolysemodul (3) und mit einem Gas-Separator (5), der zur Phasentrennung des Produktgases von Wasser ausgelegt ist, bei der das Elektrolysemodul (3) über eine Produktstrom-Leitung (7) für das Produktgas an den Gas-Separator (5) angeschlossen ist, und bei dem eine Rückführleitung (9) mit einer Förderpumpe (13) für das abgetrennte Wasser vorgesehen ist, die den Gas-Separator (5) mit dem Elektrolysemodul (3) verbindet. Dabei ist ein Schwungradspeicher (13) vorgesehen, der mit der Förderpumpe (11) gekoppelt ist, so dass bei Störung der Energieversorgung ein Weiterbetrieb der Förderpumpe (11) über die im Schwungradspeicher (13) gespeicherte Rotationsenergie sichergestellt ist.Die Erfindung betrifft weiterhin ein Verfahren zum Betrieb eines Elektrolyseurs (1) mit einem Elektrolysemodul (3). Bei einer Störung der Stromversorgung wird ein unterbrechungsfreier Weiterbetrieb der Förderpumpe (11) dadurch erreicht, dass im Schwungradspeicher (13) gespeicherte Rotationsenergie als elektrische Energie zurückgewonnen und zum Weiterbetrieb der Förderpumpe (11) eingesetzt wird.

MANAGEMENT DEVICE

Resumen de: WO2026211543A1

A management device (7) comprises: a unit price determination unit (11) that determines whether or not a unit price of electric power is at least a prescribed value; a control unit (13) that outputs a control command for controlling an electrolysis device (3) which generates hydrogen gas and oxygen gas by operating on the basis of electric power, and a hydrogen storage and supply device (4) which is capable of storing and supplying hydrogen gas; and a boiler operation determination unit (12) that determines whether or not it is necessary to operate a hydrogen boiler (5) that burns hydrogen gas and oxygen gas to heat a water tube and generate steam. When it is determined that a first condition is satisfied, the first condition being that the unit price is less than the prescribed value and operation of the hydrogen boiler (5) is unnecessary, the control unit (13) outputs the control command so as to bring about a first state in which a portion of the hydrogen gas generated in the electrolysis device (3) is supplied to hydrogen-using equipment (6) and a portion of the hydrogen gas generated in the electrolysis device (3) is stored in the hydrogen storage and supply device (4). When it is determined that a second condition is satisfied, the second condition being that the unit price is equal to or greater than the prescribed value and operation of the hydrogen boiler (5) is necessary, the control unit (13) outputs the control command so as to bring about a second state in which

WATER ELECTROLYSIS SYSTEM, WATER ELECTROLYSIS FACILITY, AND HIGH-PERFORMANCE PURIFYING METHOD

Resumen de: WO2026210989A1

A water electrolysis system (50) comprises: a water electrolysis device (11); a first heat exchanger (16b) that cools hydrogen generated in the water electrolysis device (11) and performs dehumidification; a second heat exchanger (51a) that exchanges heat between the hydrogen after dehumidification in the first heat exchanger (16b) and hydrogen reaching the first heat exchanger (16b) from the water electrolysis device (11); and a catalyst (51b) that removes oxygen contained in the hydrogen, which has increased in temperature due to the heat exchange in the second heat exchanger (51a).

POWER SUPPLY SYSTEM FOR HYDROGEN ELECTROLYZER MODULE AND CONTROL METHOD THEREOF

Resumen de: WO2026209152A1

A power supply system (100) for an electrolyzer module (201) is provided. The electrolyzer module (201) comprises at least two electrolyzers (1, 2) connected in series and operated with a main current provided by a main converter (10) comprised in the power supply system (100). The power supply system (100) further comprises a first partial power circuit (21) coupled to a first electrolyzer (1) of the at least two electrolyzers (1, 2); a second partial power circuit (22) coupled to a second electrolyzer (2) of the at least two electrolyzers (1, 2); and a controller (30) configured to operate at least one of the first partial power circuit (21) and the second partial power circuit (22) to adjust the main current flowing through at least one of the first and second electrolyzers (1, 2), based on respective degrees of performance degradation of the first and second electrolyzers (1, 2).

LEAKAGE DETECTION METHOD, LEAKAGE DETECTION DEVICE, AND HYDROGEN PRODUCTION FACILITY

Resumen de: WO2026211560A1

Provided is a leakage detection method for an electrolytic solution from a water electrolysis device. The water electrolysis device includes an electrolytic cell for storing the electrolytic solution, a gas-liquid separator to which a gas generated in the electrolytic cell is guided, and a circulation line for circulating the electrolytic solution between the electrolytic cell and the gas-liquid separator. The method comprises: a step for acquiring an integrated estimated value, which is an integrated value from a reference time point of an estimated value of a supply amount of pure water to the electrolytic solution; a step for acquiring an integrated measured value, which is an integrated value from the reference time point of a measured value of the supply amount of pure water to the electrolytic solution; and a leakage detection step for detecting leakage of the electrolytic solution from the water electrolysis device on the basis of a comparison between a threshold value determined on the basis of the integrated estimated value and the integrated measured value.

ELECTROCHEMICAL OXYGEN REDUCTION CATALYST

Resumen de: US20260312075A1

0000 Provided is an electrochemical oxygen reduction catalyst in which a decrease in catalytic activity is suppressed. The present disclosure relates to an electrochemical oxygen reduction catalyst, a manufacturing method thereof, and a fuel cell and a water electrolysis system using the electrochemical oxygen reduction catalyst. The electrochemical oxygen reduction catalyst comprises a catalyst metal having an oxygen reduction activity and an additive that modifies the catalyst metal. The additive contains a nitrogen-containing cyclic organic compound having a triazine skeleton, a polymer thereof, or a cation thereof. In the nitrogen-containing cyclic organic compound, the polymer thereof, or the cation thereof, a total number of functional groups that substitute hydrogen atoms of melamine and functional groups that substitute amino groups of melamine is 3.79 or more and 5.51 or less per molecule of the nitrogen-containing cyclic organic compound.

WATER ELECTROLYSIS SYSTEM, WATER ELECTROLYSIS FACILITY, AND METHOD FOR CONSTRUCTING WATER ELECTROLYSIS FACILITY

Resumen de: WO2026210986A1

This water electrolysis system (10) comprises: a hydrogen-side device that includes a water electrolysis device (11) disposed in a housing (C1); a partition wall (17) that demarcates a predetermined region (R) in which the hydrogen-side device is disposed; and an exhaust device (18a) that is disposed in the upper part of the predetermined region (R) and that performs ventilation by discharging a gas in the predetermined region (R) to the outside of the housing (C1). The upper end of the partition wall (17) reaches the ceiling surface of the housing (C1), at least a part of the lower end of the partition wall (17) is separated from the floor surface of the housing (C1) to communicate the inside and the outside of the predetermined region (R) with each other, and the amount of ventilation by the exhaust device (18a) is set on the basis of a planar cross-sectional area obtained by horizontally cutting the predetermined region (R) and a ventilation speed satisfying a dilution degree condition related to ventilation performance.

PLASMONICALLY DRIVEN ELECTROCHEMICAL CATALYST STRUCTURE

Resumen de: WO2026212178A1

The present application relates to: a plasmonically driven electrochemical catalyst structure; and an ammonia oxidation system and a wastewater electrolysis system, each comprising same. The electrochemical catalyst structure according to embodiments of the present application and the ammonia oxidation system comprising same may provide an environment favorable for ammonia oxidation reaction (AOR) activity, as plasmonic activity regulates the arrangement of interfacial water molecules and alters the hydrogen-bonding network.

ELECTROCHEMICAL CELL, ELECTROCHEMICAL CELL WITH SEPARATOR, ELECTROCHEMICAL CELL STACK, HOT MODULE, AND HYDROGEN PRODUCTION DEVICE

Resumen de: WO2026211776A1

The purpose of the present disclosure is to suppress the occurrence of cracks in an air electrode (29). An electrochemical cell (20) comprises a fuel electrode (21), a solid electrolyte layer (24), a reaction prevention layer (25), an air electrode (29), and interconnectors (AC1, FC1). The air electrode (29) has a first region (R1) having a contact region (S1) in contact with the interconnector (AC1), and a second region (R2) having a non-contact region (S2) not in contact with the interconnector (AC1). The content of an accessory component in a first volume of the first region (R1) of the air electrode (29) is greater than the content of the accessory component in a second volume of the second region (R2) of the air electrode (29).

ELECTROCHEMICAL CELL, ELECTROCHEMICAL CELL WITH SEPARATOR, ELECTROCHEMICAL CELL STACK, HOT MODULE, AND HYDROGEN PRODUCTION DEVICE

Resumen de: WO2026211779A1

The purpose of the present disclosure is to suppress the occurrence of cracks in an air electrode (29). An electrochemical cell (20) has a fuel electrode (21), a solid electrolyte layer (24), a reaction prevention layer (25), the air electrode (29), and interconnectors (AC1, FC1). The air electrode (29) has a first region (R1) having a contact region (S1) that is in contact with the interconnector (AC1), and a second region (R2) having a non-contact region (S2) that is not in contact with the interconnector (AC1). The included percentage of an auxiliary component in a first volume of the first region (R1) in the air electrode (29) is smaller than the included percentage of the auxiliary component in a second volume of the second region (R2) in the air electrode (29).

HYDROGEN PRODUCTION CONTROL SYSTEM AND METHOD

Resumen de: AU2025375145A1

Provided is a hydrogen production control system for producing hydrogen with different environmental impacts. A hydrogen production control system 20 causes a hydrogen production apparatus 10 to produce hydrogen. The hydrogen production apparatus inputs, to a water electrolysis device 13, a power amount from a renewable energy generation device 12 or a power amount from a power grid 30, and causes the water electrolysis device to electrolyze water to thereby produce hydrogen with different environmental impacts. The hydrogen production apparatus comprises: a renewable energy variation amount prediction unit which predicts variation in the power amount from the renewable energy power generation device; and a type-specific hydrogen production planning unit which creates a type-specific hydrogen production plan for producing hydrogen with different environmental impacts by the hydrogen production apparatus, on the basis of a prediction result from the renewable energy variation amount prediction unit. The type-specific hydrogen production planning unit creates a production plan for producing a first type of hydrogen with a small environmental impact among hydrogen with different environmental impacts by using a power amount in a first case where the power amount from the renewable energy generation device is predicted to be supplied stably.

HYDROGEN GENERATION DEVICE

Nº publicación: US20260307031A1 08/10/2026

Solicitante:

KUO WEN TA [TW]
KUO Wen-Ta

Resumen de: US20260307031A1

A hydrogen generation device includes a hydrogen generator body, a secondary coil, an eddy current generating unit, and at least one support member. The hydrogen generator body includes a chamber. One end part of the hydrogen generator body is provided with a first inlet for allowing a first substance to enter the chamber and a second inlet for allowing a second substance to enter the chamber. The other end part of the hydrogen generator body is provided with an outlet and an exhaust port. The secondary coil is wound around the exterior of the hydrogen generator body. The eddy current generating unit is disposed in the chamber at a position corresponding to the secondary coil. The support member has plural holes and is disposed in the chamber. The eddy current generating unit penetrates through the support member and is arranged in the chamber by the support member.