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811
resultados
Última actualización
09/04/2026 [07:06:00]
Resultados 25 a 50 de 811
Resumen de: WO2026065648A1
Disclosed are an anode slurry, a preparation method therefor, and a use thereof. The present invention provides a method for preparing anode slurry C, which comprises the following steps: step 1, mixing an iridium catalyst, a perfluorosulfonic acid resin dispersion, and a solvent to obtain slurry A; step 2, adding a platinum precursor to slurry A to obtain slurry B; and step 3, reacting slurry B at 50-90 °C to prepare anode slurry C. In the present invention, by means of directly adding a water-soluble platinum precursor into an anode oxidation iridium catalyst slurry, the dispersion of platinum and the hydrogen removal capability in oxygen per unit mass of platinum are significantly improved.
Resumen de: US20260091373A1
In a method of preparing an ammonia decomposition catalyst according to embodiments of the present disclosure, a mixture of a metal oxide including lanthanum and a heterogeneous metal and aluminum oxide is prepared, the mixture was subjected to steam treatment to form a carrier, and a catalytically active metal is supported on the carrier to prepare an ammonia decomposition catalyst. The ammonia decomposition catalyst according to embodiments of the present disclosure is prepared by the above-described preparation method.
Resumen de: US20260091976A1
A thermochemical gas splitting reactor system and a method of splitting gas are disclosed. The system includes a reactor including a reaction zone comprising active material, a gas heating zone, and a gas distribution plate assembly interposed between the reaction zone and the gas heating zone. Exemplary systems can include multiple reactors. The method can include providing one or more reactors and performing one or more of an oxidation and/or reduction process using each of the reactors.
Resumen de: US20260091374A1
The present invention relates to a catalyst comprising Ni, Ru, and a promoter metal M1, wherein the catalyst displays an Ru:Ni weight ratio in the range of from 0.0001:1 to 0.5:1, wherein the promoter metal M1 is selected from the group consisting of Li, K, Na, Cs, Mg, Ca, Sr, and Ba, including mixtures of two or more thereof, and wherein the catalyst further comprises one or more support materials onto which Ni, Ru, and the promoter metal M1 are respectively supported. Furthermore, the present invention relates to a method for the preparation of a catalyst comprising Ni, Ru, and a promoter metal M1, as well as to a catalyst obtainable according to said method, and to a process for the reforming of ammonia employing the inventive catalyst.
Resumen de: US20260092378A1
Water electrolysis installation, comprising of an electrochemical stack device comprising at least a stack having at least two electrodes immersed in an electrolyte; a balance of plant defining an inner fluid handling volume of the balance of plant to convey an incoming fluid to the electrochemical stack device and to recover an outcoming fluid from the electrochemical stack device; at least one sensor comprising at least one optical fiber probe having a sensing region, the sensing region measuring at least an information representative of sludge formation in the vicinity of the sensor; characterized in that the sensing region of the optical fiber probe is located inside the inner fluid handling volume of the balance of plant outside of the electrochemical stack device.
Resumen de: WO2026069743A1
To safely and easily burn hydrogen. A combustion device comprises: a hot water generation unit 1 provided with a storage unit 112 for storing water, an arrangement unit 113 for arranging a solid fuel that reacts with the water within the storage unit 112 to discharge hydrogen, and a combustion unit for burning the generated hydrogen; and a control unit for controlling the water temperature of the stored water.
Resumen de: US20260094846A1
An electrochemical cell is disclosed having a porous metal support, a gas transport layer on the porous metal support, and an electrode layer on the gas transport layer. The gas transport layer is electrically conductive and has an open pore structure comprising a pore volume fraction of 20% by volume or higher and wherein the electrode layer has a pore volume fraction lower than the pore volume fraction of the gas transport layer. Also disclosed is a stack of such electrochemical cells and a method of producing such an electrochemical cell.
Resumen de: WO2026066212A1
The present disclosure belongs to the technical field of material synthesis and utilization of renewable clean energy, and provides a red titanium dioxide heterojunction, and a preparation method therefor and the use thereof. The preparation method for a red titanium dioxide heterojunction comprises: forming a first precursor of B-doped titanium dioxide; calcining the first precursor at a high temperature to obtain a second precursor of a B-doped titanium dioxide heterojunction; and mixing any one of (NH4)2TiF6, NH4TiOF3 and (NH4)2TiOF4 with the second precursor, followed by a nitridation treatment in an ammonia gas flow to obtain a red titanium dioxide heterojunction uniformly doped with a rutile phase and an anatase phase. In the present disclosure, titanium dioxide in a rutile phase can be nitrided by means of an ammonium fluotitanate treatment, such that a red titanium dioxide heterojunction uniformly doped with both a rutile phase and an anatase phase is formed, which heterojunction exhibits relatively high water oxidation activity in a photocatalytic water decomposition reaction.
Resumen de: WO2026066209A1
Provided are a charged ligand post-modified photocatalyst, a preparation method therefor, and a use thereof, relating to the field of photocatalysis. A zirconium salt and 1,3,5-tris(4-carboxyphenyl)benzene are dissolved in N,N-dimethylformamide, and then formic acid is added to obtain Zr-BTB; Zr-BTB and a potassium chloroplatinate solution are added to ethanol to implement a reaction to obtain Zr-BTB@Pt; and Zr-BTB@Pt and a quaternary ammonium salt ligand are added to methanol to implement a reaction to obtain Zr-BTB@Pt-NH4 +. When used in a photocatalytic reaction, the prepared Zr-BTB@Pt-NH4 + can significantly improve the hydrogen production efficiency of a photocatalytic material.
Resumen de: WO2026072631A1
An apparatus for generation of at least one of carbon dioxide or hydrogen from saline water is disclosed. The apparatus includes an anodic compartment, an anode on a first side of the anodic compartment, a cathodic compartment, a cathode on a first side of the cathodic compartment, a first cation permeable fluidic separator on a second side of the anodic compartment, a second cation permeable fluidic separator on a second side of the cathodic compartment, a center compartment between the first and second cation permeable fluidic separators, and a mixing chamber including an inlet fluidly connectable to or in fluid communication with the outlet of the anodic compartment and an outlet, the center compartment having one of an outlet fluidly connectable to or in fluid communication with the inlet of the mixing chamber or an inlet fluidly connectable to or in fluid communication with the outlet of the mixing chamber.
Resumen de: US20260092384A1
A modular solid oxide electrolyzer cell (SOEC) system including a stack of electrolyzer cells configured to receive steam in combination with hydrogen, and a steam recycle outlet configured to recycle a portion of the steam.
Resumen de: WO2026064984A1
The present application relates to the technical field of water electrolysis for hydrogen production and discloses a hydrogen removal layer, a preparation method therefor, a hydrogen removal proton exchange membrane, a membrane electrode, and a water electrolysis hydrogen production apparatus. The hydrogen removal layer comprises the following components in parts by weight: 10-20 parts of a metal oxide, 10-20 parts of a catalyst, and 2-10 parts of an ionomer. The catalyst comprises at least one of a platinum black catalyst, an iridium black catalyst, and a palladium black catalyst. The hydrogen removal layer described in the present application can effectively reduce the hydrogen content in oxygen on the anode side of a proton exchange membrane.
Resumen de: DE102024128012A1
Verfahren zum Betreiben einer Wasserstoffproduktionsanlage (10) mit mehreren Elektrolysevorrichtungen (11), die zur Erzeugung von Wasserstoff aus Wasser mit Hilfe von elektrischem Strom eingerichtet sind, wobei die Elektrolysevorrichtungen (11) vorzugsweise mehrere parallel geschaltete Kaskaden (12) aus jeweils in Reihe geschalteten Elektrolysevorrichtungen (11) bilden, wobei zur Wasserstoffproduktion die Elektrolysevorrichtungen (11) über einen Wasserkreislauf (13) mit Wasser versorgt werden, wobei zur Wasserstoffproduktion die Elektrolysevorrichtungen (11) von einer elektrischen Stromquelle oder elektrischen Spannungsquelle mit elektrischer Leistung versorgt werden. Zur Überprüfung, ob an einer Elektrolysevorrichtung (11) eine Wasserstoffleckage vorliegt, werden folgende Schritte einer Sicherheitsroutine ausgeführt werden: Die zu überprüfende Elektrolysevorrichtung (11) wird mit einer definierten elektrischen Eingangsgröße beaufschlagt. An der zu überprüfenden Elektrolysevorrichtung (11) wird eine von der definierten elektrischen Eingangsgröße abhängige, elektrische Ist-Ausgangsgröße erfasst. Die an der zu überprüfenden Elektrolysevorrichtung (11) erfasste Ist-Ausgangsgröße wird mit einer Soll-Ausgangsgröße verglichen. Abhängig von dem Vergleich der Ist-Ausgangsgröße mit der Soll-Ausgangsgröße wird auf eine Wasserstoffleckage oder die Wahrscheinlichkeit einer Wasserstoffleckage an der Elektrolysevorrichtung (11) geschlossen.
Resumen de: DE102024209484A1
Die Erfindung betrifft eine mehrsträngige Elektrolyseanlage (1) für die Zerlegung von Wasser in Wasserstoff und Sauerstoff, umfassend mehrere parallel geschaltete Elektrolysestränge (2) mit jeweils mehreren in Reihe geschalteten Elektrolysestapeln (3), sowie einen ersten Separator (4), der über eine erste Hauptzufuhrleitung (5) und davon abgehende erste Zweigleitungen (6) mit ersten Eingängen (7) einer jeweils ersten Elektrodenseite (8) der Elektrolysestränge (2) verbunden ist, wobei erste Ausgänge (9) der jeweils ersten Elektrodenseite (8) der Elektrolysestränge (2) über erste Sammelleitungen (10), die in eine erste Hauptabfuhrleitung (12) münden, mit dem ersten Separator (4) verbunden sind, sowie einen zweiten Separator (12), der über eine zweite Hauptzufuhrleitung (13) und davon abgehende zweite Zweigleitungen (14) mit zweiten Eingängen (15) einer jeweils zweiten Elektrodenseite (16) der Elektrolysestränge (2) verbunden ist, wobei zweite Ausgänge (17) der jeweils zweiten Elektrodenseite (16) der Elektrolysestränge (2) über zweite Sammelleitungen (18), die in eine zweite Hauptabfuhrleitung (19) münden, mit dem zweiten Separator (12) verbunden sind, wobei in den ersten und zweiten Hauptzufuhrleitungen (5, 13), den ersten und zweiten Zweigleitungen (6, 14), den ersten und zweiten Sammelleitungen (10, 18) und den ersten und zweiten Hauptabfuhrleitungen (11, 19) Ventile (20) angeordnet sind. Ferner betrifft die Erfindung ein Verfahren zum Betrieb einer mehrstr�
Resumen de: DE102024209486A1
Die Erfindung betrifft eine Elektrolyseanlage (1) für die Zerlegung von Wasser in Wasserstoff und Sauerstoff umfassend einen Elektrolysestapel (2) mit einer ersten Elektrodenseite (3) und einer zweiten Elektrodenseite (4), einen ersten Separator (5), eine von der ersten Elektrodenseite (3) des Elektrolysestapels (2) abzweigende und in den ersten Separator (5) mündende erste Sammelleitung (6) und eine vom ersten Separator (5) abzweigende und in die erste Elektrodenseite (3) des Elektrolysestapels (2) mündende erste Flüssigkeitszirkulationsleitung (7) mit einem ersten Flüssigkeitszirkulationsventil (8), weiter umfassend einen zweiten Separator (9), eine von der zweiten Elektrodenseite (4) des Elektrolysestapels (2) abzweigende und in den zweiten Separator (9) mündende zweite Sammelleitung (10) und eine vom zweiten Separator (9) abzweigende und in die zweite Elektrodenseite (4) des Elektrolysestapels (2) mündende zweite Flüssigkeitszirkulationsleitung (11) mit einem zweiten Flüssigkeitszirkulationsventil (12), wobei ein erstes Sicherheitsventil (13) in der ersten Sammelleitung (6) angeordnet ist und ein zweites Sicherheitsventil (14) in der zweiten Sammelleitung (10) angeordnet ist. Die Erfindung betrifft ferner ein Verfahren zur Trennung eines Elektrolysestapels () von einem ersten Separator (5) in einer Elektrolyseanlage (1).
Resumen de: WO2026072487A1
Systems and methods are provided for conversion of renewable power into hydrocarbons, such as hydrocarbon fuels, via a methanol intermediate. In addition, it is desired to capture and reuse carbon dioxide in order to form these hydrocarbons. When the conversion of carbon dioxide is performed using hydrogen generated by electrolysis (preferably from renewable electricity), the management of process water is beneficial for reducing or minimizing the overall water requirements for the process as well as extending the lifetime of the electrolyzers. Systems and methods are also provided for recovery and purification of process water for recycle to the electrolyzers.
Resumen de: AU2024352604A1
The invention relates to an offshore electrolysis system (100) comprising: a wind turbine (1) with a platform (3) and with an electrolysis plant (5) which is arranged on the platform (3) and is connected to the wind turbine (1) in order to supply electrolysis current; and a heat supply device (7) which is coupled to the electrolysis plant (5) and is designed in such a way that heat can be transferred to the electrolysis plant by means of the heat supply device (7) during a standstill mode so as to maintain the temperature above a minimum temperature. The invention also relates to a method for operating a corresponding offshore electrolysis system. During a standstill mode, heat is transferred to the electrolysis plant (5) by means of the heat supply device (7) so as to maintain the temperature above a minimum temperature and prevent freezing of water-carrying components of the electrolysis plant (5).
Resumen de: EP4717797A2
An electrolysis system includes an electrolyzer stack having an anode side that provides an anode-side gas having a hydrogen-to-oxygen (HTO) ratio, an oxygen separator tank fluidically coupled the anode side, and an anode-side dilution system that is changeable between a closed-monitor state and an open-dilution state.
Resumen de: EP4717798A2
Provided herein are methods for cleaning a diaphragm and/or membrane in an electrolysis system. For example, provided herein is a method of chemically cleaning a diaphragm and/or membrane comprising immersing the diaphragm and/or membrane in an acidic medium, immersing the diaphragm and/or membrane in a weak alkaline medium, and rinsing the diaphragm and/or membrane with deionized water. Also provided herein is a method of electrochemically cleaning a diaphragm and/or membrane comprising reversing the direction of current applied across the diaphragm and/or membrane, applying a cathodic current to the electrolyte solution, applying an anodic current to the electrolyte solution, rinsing the diaphragm and/or membrane with deionized water, and removing deposits from the electrolyte solution. Also provided herein is a method of mechanically cleaning a diaphragm and/or membrane comprising applying a voltage across the diaphragm and/or membrane that is higher than the normal operating voltage, and mechanically agitating the electrolyte solution.
Resumen de: WO2024240830A1
The present invention relates to a method for controlling a hydrogen production installation (100), the method comprising the following successive steps: - determining a first magnitude of a nominal operating electric current (In) of at least one electrolyser (50); - measuring a second magnitude of an electric current (Imes flowing through a connection (22) between the electrolyser (50) or at least one of the electrolysers (50) and at least one photovoltaic conversion device (10); and - orienting the device (10) or at least one of the devices (10) such that the second magnitude (Imes) is less than or equal to the first magnitude (In).
Resumen de: EP4717716A1
Provided are: a polymerizable composition containing a quaternary ammonium salt represented by formula (I), a polymerizable monomer, a linear or branched C1-4 alkylene glycol, and at least one hydroxyl group-containing compound selected from the group consisting of a C4-15 primary alcohol, a C4-15 secondary alcohol, and a C5-15 diol which has a hydroxy group bonded to a secondary carbon atom; an ion exchange resin; an ion exchange membrane; a membrane electrode assembly; and a hydrogen production device.
Resumen de: AU2024303520A1
Methods for producing renewable hydrogen and systems related to the same are provided.
Resumen de: WO2024240599A1
The invention relates to a method for producing hydrogen by steam electrolysis, using the heat from a hot effluent (102) discharged by an industrial plant, the method comprising the following steps: - heat exchange, in a heat exchanger (106), between the hot effluent (102) and a flow of water (104) in order to produce a first flow of steam (108), - cogeneration of electricity (118) and a second flow of steam (116) by a cogeneration unit (110) supplied with the first flow of steam (108), and - electrolysis of at least part of the second flow of steam (116) in an electrolysis unit (120) powered by the electricity (118), in order to produce a hydrogen flow and an oxygen-rich flow. The invention further relates to a system (100) implementing such a method and to a plant implementing such a system.
Resumen de: EP4717795A1
The present invention relates to an electrolyser architecture and a method for performing electrolysis. The electrolyser comprises a proton exchange membrane (PEM) and a plurality of electrodes arranged on a surface of the PEM. A microfluidic fluid channel structure is aligned with the electrodes, forming multiple channels parallel to the surface of the PEM. These channels are designed to feed water to the electrodes and are configured to collect gases produced during electrolysis above the electrodes.
Nº publicación: CN121773232A 31/03/2026
Solicitante:
清洁氢能有限公司
Resumen de: AU2024308720A1
The disclosure provides a method of producing hydrogen. The method comprises conducting a thermochemical reaction by contacting an active reagent and a basic aqueous solution, to thereby cause water from the basic aqueous solution to react with the active reagent and to produce hydrogen and a basic aqueous solution comprising an oxidised product. The method further comprises disposing the basic aqueous solution comprising the oxidised product in an electrochemical cell comprising an anode and a cathode, such that at least a portion of the cathode contacts the solution; and conducting an electrochemical reaction by applying a voltage across the anode and the cathode to produce hydrogen, oxygen and the active reagent. The active reagent comprises a metal or metal ion in a first oxidation state and the oxidised product comprises the metal or metal ion in a second oxidation state which is higher than the first oxidation state.
BOPI
Sede Electrónica
