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977
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Última actualización
04/10/2026 [06:58:00]
Resultados 75 a 100 de 977
Resumen de: WO2026197050A1
Problem To provide a hydrogen generation system that can easily be enlarged. Solution A hydrogen generation device 10 comprises: a photocatalyst member 11 that holds a photocatalyst; a first cover member 12 that covers the surface on one side of the photocatalyst member 11; a second cover member 13 that covers the surface on the other side of the photocatalyst member 11; a transparent part that transmits light energy to the photocatalyst member 11; and a seal part 15 that encloses the photocatalyst member 11 together with the first cover member and the second cover member 13, and that seals a fluid retention space 14 in which raw material water is held together with a generated hydrogen gas or both the hydrogen gas and an oxygen gas. The first cover member 12 and/or the second cover member 13 is composed of a soft material. A pressure adjustment means 45 for depressurizing the fluid retention space 14 is provided. Water is supplied to the fluid retention space 14. Furthermore, either hydrogen gas generated in the fluid retention space 14 or the hydrogen gas and oxygen gas are discharged.
Resumen de: US20260285677A1
0000 A method for storing hydrogen in a reactor or a synthesis loop comprising the steps of (a) providing a gaseous stream of a reaction compound; (b) providing an excess of a hydrogen stream as required for stoichiometric molar ratio of reactants to hydrogen in the synthesis loop or reactor from an electrolysis unit; (c) storing the excess of hydrogen provided in step (b) by introducing at least an amount of the hydrogen stream into the gaseous stream of a reaction compound and to provide a mixed stream of hydrogen and gaseous reaction compound with at least 25 mol % excess hydrogen than what is required for a reaction of the reaction compound with hydrogen in the hydrogen stream; (d) introducing the mixed stream into the reactor or the synthesis loop; (e) withdrawing a mixed stream of gaseous reaction product and unreacted gaseous hydrogen and reaction compound from the reactor or the synthesis loop; (f) separating the reaction product from the unreacted gaseous hydrogen and reaction compound (g) recycling all or a part of unreacted amounts of hydrogen and reaction compound to the reactor or synthesis loop.
Resumen de: WO2025103558A1
Porous hydrophilic separator, its method of production, and an alkaline electrolyzer with such separator In an alkaline electrolyzer (12), especially for production of hydrogen gas, the separator (11) has larger pores in layers (8, 9) on its outer sides (7A, 7C), facing the electrodes (13, 14), than in the bulk layer (10). In a practical embodiment, the separator (11) is composed of two diaphragms (7, 7'), each with asymmetric pore structure, where the diaphragms (7, 7') are oriented such that largest pores are on the outer sides of the sep- arator (11).
Resumen de: WO2025104428A1
The invention provides a device for hydrogen production comprising a reaction chamber containing one or more catalysts disposed therein, a fuel gas inlet, and a hydrogen-rich gas outlet; a first reactant gas chamber having a first reactant gas inlet for conveying a first reactant gas and being in fluid communication with an exhaust; and a second reactant gas chamber having a second reactant gas inlet for conveying a second reactant gas; wherein the reaction chamber and the first reactant gas chamber share a first wall therebetween, the first wall comprising a thermally conductive substrate having a reaction chamber face and a first reactant gas chamber face, wherein the first reactant gas chamber face of the first wall has a reaction surface which is coated with a reactant gas decomposition catalyst; wherein the first reactant gas chamber further comprises a second wall opposite the first wall defining a volume therebetween, the second wall being shared between the first reactant gas chamber and the second reactant gas chamber; wherein the second wall comprises one or more apertures disposed in an aperture-containing area along a length and width of the second wall such that the second reactant gas chamber and the first reactant gas chamber are in fluid communication with one another, wherein the aperture-containing area has a first section, a second section, and a third section, the first section being a third of the aperture-containing area distal to the fuel gas inlet and
Resumen de: WO2025103570A1
A method of producing hydrogen by reacting silicon powder and water, comprises providing water in a reactor (120), providing loose silicon powder in the reactor (120), dispersing the silicon powder in the water in the reactor (120), and5 collecting hydrogen gas from the reactor (120). The silicon powder is provided as a plurality of silicon doses, each silicon dose comprising a predetermined amount of the silicon powder. The disclosure provides methods systems and energy carriers which are suitable in the context of production of hydrogen by reacting silicon powder and10 water. (Fig. 1) 15
Resumen de: EP4810669A1
0001 Provided is a technique capable of suppressing lowering of current density, while suppressing separation at the interface between an air electrode and a solid electrolyte layer, during use of a solid oxide electrolysis cell. The solid oxide electrolysis cell includes an air electrode, a fuel electrode, and a solid electrolyte layer disposed between the air electrode and the fuel electrode. The air electrode contains: a complex oxide having a perovskite structure represented by a general formula ABO<3>; and ZrO<2>. The ZrO<2> content of the air electrode is 1×10<-3> mass% or greater and 5×10<-1> mass% or less with respect to the entire air electrode.
Resumen de: EP4811580A1
Method of operating an electrolysis system (2) where-in the method comprising the steps of:(S100) reading in a signal (S) for a faulty stack (12),(S200) providing a control signal (CS1) in order to bypass the faulty stack (12),(S300) providing a second control signal (CS2) in order to provide a first voltage adapted to the n-1 row (6b) with the faulty stack (12), and(S400) providing a third control signal (CS3) in order to provide a second voltage adapted to the n row (6a) without the faulty stack (12).
Resumen de: EP4810670A1
0001 The present invention relates to the field of hydrogen production by water electrolysis, and discloses a carbon nanotube-supported nitrogen-doped catalyst, wherein the catalyst has a carbon nanotube structure as carrier, with cobalt and ruthenium as active components, wherein the content of cobalt element is 30-45wt%, the content of ruthenium element is 1-7wt%, and relative to all ruthenium elements, the proportion of ruthenium element existing in the form of RuN is 60wt%-90wt%. The graphitic structure of this catalyst is conducive to charge conduction. Ru is uniformly loaded on the carrier surface through low-temperature reduction process and interaction with defect sites on the carrier surface, and then forms interactions with N elements and metallic Co after high-temperature calcining, thereby improving the hydrogen evolution catalytic activity of the catalyst.
Resumen de: EP4810668A1
0001 The present invention relates to a reinforced composite membrane for a water electrolysis cell, a membrane-electrode assembly for a water electrolysis cell, comprising same, and a water electrolysis cell comprising same, wherein in the reinforced composite membrane for a water electrolysis cell, a porous support is arranged to be biased toward the surface adjacent to an oxygen evolution electrode before operation of the water electrolysis cell, on the basis of a prediction of the area that expands after the operation, the oxygen evolution electrode undergoing relatively greater expansion, thereby evenly distributing the expansion stress applied to the reinforced composite membrane for a water electrolysis cell after operation and improving the performance and durability of the membrane-electrode assembly and water electrolysis cell comprising same.
Resumen de: WO2025103851A1
The invention relates to a method for operating an electrolysis plant (1) comprising at least one stack (2) which has a plurality of electrolysis cells and has an anode (3) and a cathode (4), wherein in normal operation of the electrolysis plant (1), water is supplied to the anode (3) via a water circuit (5) having an integrated pump (6), said water being split in the at least one stack (2) into hydrogen and oxygen by electrolysis, and wherein the hydrogen produced by electrolysis is discharged via a cathode outlet (9) of the stack (2) and a media line (7) connected to said cathode outlet. According to the invention, a reduced stack flow is maintained when the electrolysis plant (1) is shut down and, by means of the stack flow and a cell-side recombination catalyst (10), oxygen present on the anode side is recombined with hydrogen, which diffuses from the cathode side to the anode side, to form water. The invention further relates to an electrolysis plant (1) that is suitable for carrying out the method or can be operated according to the method.
Resumen de: EP4810657A1
Vorliegend wird eine Elektrolyseanordnung (100) mit einem Elektrolyseblock (10) mit einer Vielzahl von Elektrolysezellen (1-3), die Kathodenkammern (C) und Anodenkammern (A) aufweisen, und mit einem Elektrolytsystem (20), das eine Speiseleitungsanordnung (11), eine kathodenseitige Entnahmeleitungsanordnung (12) und eine anodenseitige Entnahmeleitungsanordnung (13) aufweist, vorgeschlagen. Die Elektrolyseanordnung (100) ist dafür eingerichtet, den Kathodenkammern (C) und den Anodenkammern (A) über die Speiseleitungsanordnung (11) Lauge zuzuführen, den Kathodenkammern (C) über die kathodenseitige Entnahmeleitungsanordnung (12) Lauge und in den Kathodenkammern (C) gebildeten Wasserstoff zu entnehmen, und den Anodenkammern (A) über die anodenseitige Entnahmeleitungsanordnung (13) Lauge und in den Anodenkammern (A) gebildeten Sauerstoff zu entnehmen. In der Speiseleitungsanordnung (11), der kathodenseitigen Entnahmeleitungsanordnung (12) und/oder der anodenseitigen Entnahmeleitungsanordnung (13) ist oder sind ein oder mehrere Durchflussrestriktoren (21-27) bereitgestellt und dafür eingerichtet, einen Durchströmungsquerschnitt in Abhängigkeit von einem Mengenstrom der durch die Elektrolysezellen (1-3) geführten Lauge zu verändern. Ein entsprechendes Verfahren wird ebenfalls vorgeschlagen.
Resumen de: WO2025104292A1
The invention relates to a system and a method for producing a synthesis gas from a carbon dioxide-rich feed stream and a water feedstock via electrolysis, wherein excess heat from CO2 electrolysis is arranged to generate steam to steam electrolysis. More specifically, a system and a process are provided for production of a synthesis gas stream, said system comprising: a carbon dioxide-rich feed stream; a first H2O-rich feed stream; a first solid oxide electrolysis (SOEC) section; a second solid oxide electrolysis (SOEC) section; and a conversion section. Optimal use of heat energy is achieved by heat transfer from the output of the first SOEC section to the input of the second SOEC section.
Resumen de: WO2025192602A1
A cell unit (2) comprises: a base material (10) that defines a first surface (11) and a second surface (12) facing each other; a hole (13) that penetrates from the first surface (11) to the second surface (12); a film (21) that is disposed in the hole (13) and partitions the hole (13) into a first space (15) on the first surface (11) side and a second space (16) on the second surface (12) side; a first flow path (40) that is formed on the base material (10) and serves for introducing a first fluid into the first space (15); a second flow path (42) that is formed on the base material (10) and serves for taking out a second fluid from the second space (16); a first gasket (50) disposed on the first surface (11) and surrounding the first space (15) and the first flow path (40); and a second gasket (51) disposed on the first surface (11) and surrounding the second flow path (42) on the outside of the first gasket (50).
Resumen de: WO2025183169A1
A laminate according to the present invention comprises a porous metallic body on an electrolyte membrane. Fine metal particles are included at least in pores and/or in the electrolyte membrane-side surface of the porous metallic body. The average pore size of the porous metallic body is preferably 0.5-100 μm. The average particle size of the fine metal particles is preferably 5-200 nm. The thickness of the porous metallic body is preferably 1-500 μm. In addition, a fine metal particle layer is preferably provided between the electrolyte membrane and the porous metallic body. The porous metallic body is preferably a metal foam or a metal fiber mat.
Resumen de: EP4810662A1
A water electrolysis system includes: a power supply unit; a plurality of parallel circuits connected in parallel to the power supply unit; a plurality of water electrolysis stacks disposed in the parallel circuits, respectively; at least one voltage adjustment unit disposed in at least one of the parallel circuits; and a control device configured to control an operation of the at least one voltage adjustment unit. The control device is configured to control the operation of the at least one voltage adjustment unit such that a difference between currents flowing through the water electrolysis stacks is smaller than the difference when the at least one voltage adjustment unit is not operating.
Resumen de: EP4810663A2
0001 An electrochemical reaction device includes: an electrolysis cell stack including: a plurality of sub-stacks stacked between a pair of clamping plates, each sub-stack including: a plurality of electrolysis cells stacked between a pair of support plates; and at least one fluid manifold completed within one of the plural sub-stacks; a measuring device to measure a physical quantity related to a state of at least one of the plural sub-stacks to acquire physical quantity data; and an information processing unit to process the physical quantity data from the measuring device. Each electrolysis cell includes: a cathode chamber; an anode chamber; a diaphragm between the cathode chamber and the anode chamber; a cathode arranged on the cathode chamber; and an anode arranged on the anode chamber. The pair of support plates includes at least four through holes including an inlet or an outlet of the at least one fluid manifold.
Resumen de: WO2025220485A1
The present disclosure provides an electrolytic cell stack capable of increasing the amount of product generated by electrolysis while suppressing a temperature rise of the cell stack. An electrolytic cell stack (101) according to the present disclosure comprises: a hydrogen generation unit (10) provided with an electrolytic cell (105) having a hydrogen electrode, an oxygen electrode, and a solid electrolyte membrane; a raw material gas supply port (11); a hydrogen gas discharge port (12); a raw material gas supply-side heat exchange unit (13); and a hydrogen gas discharge-side heat exchange unit (14). The raw material gas supply-side heat exchange unit and the hydrogen gas discharge-side heat exchange unit are each composed of a heat transfer unit and a header unit. The heat transfer unit area of the hydrogen gas discharge-side heat exchange unit is larger than the heat transfer unit area of the raw material gas supply-side heat exchange unit.
Resumen de: CA3298899A1
Cogeneration plant comprising a thermal, namely nuclear, power plant, with a system to convert thermal energy into electrical energy (ECS), and a high-temperature electrolysis system for the coproduction of hydrogen and electricity with modulation of the electric power generation. The invention basically consists of an indirect optimal thermal coupling between a thermal power plant (100) and a hydrogen production unit (200) by high-temperature electrolysis through the intermediary of a tapping withdrawal carried out in a fluidic arm of the thermodynamic conversion cycle of the plant to implement, on the one hand, a thermal storage reservoir (219) to provide the heat necessary to preheat the steam headed for the HTE unit cathodes and, on the other hand, a pneumatic and thermal storage reservoir (220) to provide hot air under pressure to the anodes. Figure for abstract: Fig. 3.
Resumen de: WO2025204074A1
Provided are an electrolysis module cooling method and an electrolysis system capable of reducing an atmospheric temperature inside a container. Provided is a cooling method for an electrolysis module (200) comprising: at least one electrolysis cartridge (220) that includes an electrolysis cell and generates hydrogen by electrolyzing water vapor generated from water supply; and a pressure vessel (210) that accommodates the electrolysis cartridge (220). In the method for cooling the electrolysis module (200), the air is subjected to heat exchange with water supply in order to heat the water supply, and the heat-exchanged air is supplied to the pressure vessel (210) to cool the inside of the pressure vessel (210).
Resumen de: EP4810658A1
0001 An electrolysis device includes: an electrolysis cell having a reduction electrode, an oxidation electrode, a first chamber facing on the reduction electrode, a second chamber facing on the oxidation electrode and configured to be supplied with an electrolytic solution containing water or water vapor, and a diaphragm provided between the first chamber and the second chamber; an operation parameter input unit configured to input an operation parameter for operating the electrolysis cell; an operation control unit configured to generate at least one control signal for operating the electrolysis cell according to the operation parameter; a control signal monitor unit configured to monitor the at least one control signal from the operation control unit; and a data processing unit configured to diagnose a state of the electrolysis cell by performing data processing using control signal data indicating a monitoring result of the at least one control signal.
Resumen de: EP4620904A1
0001 The invention relates to an apparatus (2) for producing hydrogen, from a feedstock stream (3) comprising ammonia, traces of water and oil contaminants, said apparatus (2) comprising: - a vaporizer (4) comprising a vaporization chamber (6) configured to receive the feedstock stream (3) and produce a vaporized purified ammonia stream (7), said vaporization chamber (6) comprising a blowdown outlet (8) configured to discharge a blowdown stream (10) comprising the traces of water and oil contaminants from said vaporization chamber (6); - an ammonia cracking reactor (12) for performing an endothermic reaction of said vaporized purified ammonia stream (7), thereby producing said hydrogen; and - a fired equipment (14); wherein said blowdown outlet (8) is connected to the fired equipment (14) for providing the blowdown stream (10) as an ammonia fuel stream to the fired equipment (14).
Resumen de: US20260274663A1
0000 A reactor system may include at least one first type reactor, at least one second type reactor, a heat source unit, a heat exchange unit, and one or more separation units. The at least one first type reactor reacts a fuel, which may comprise biogas, with metal oxide particles. The at least one second type reactor receives reduced metal oxide particles from the at least one first type reactor and reacts those particles with steam, generating hydrogen (H<2>) and oxidized metal oxide particles. The oxidized metal oxide particles are heated up in a heat exchange unit that is heated by the heat source. The heat source may generate heat by combusting air and oxidation products from the at least one first type reactor. The heated oxidized metal oxide particles may be provided to the separation unit(s) and then to the at least one first type reactor.
Resumen de: WO2026190503A1
The present invention relates to a method and a system for producing synthesis gas and low carbon hydrogen and low carbon hydrogen derivatives by converting carbon dioxide (CO2) and methane (CH4) to carbon monoxide (CO), hydrogen (H2) and carbon (C), and producing low carbon hydrogen (H2) and hydrogen derivatives.
Resumen de: WO2025059026A1
Provided herein are systems and methods for utilizing aqua-ammonia as an energy or hydrogen storage and transport medium. A method for delivering power, the method comprises converting enriched ammonia to electrical power and heat; and using the heat to remove water from aqua-ammonia, thereby producing the enriched ammonia.
Nº publicación: AU2025400693A1 17/09/2026
Solicitante:
ZHENGZHOU NON FERROUS METALS RESEARCH INST CO LTD OF CHINALCO
ZHENGZHOU NON-FERROUS METALS RESEARCH INSTITUTE CO.LTD OF CHINALCO
Resumen de: AU2025400693A1
Disclosed herein is an aluminum recycling method for metallic aluminum energy storage and hydrogen production, comprising: electrolyzing aluminum oxide to obtain molten metallic aluminum; processing the molten metallic aluminum to obtain an aluminum-based hydrogen production material; under the action of a catalyst, chemically reacting the aluminum-based hydrogen production material with water to obtain hydrogen gas and an aluminum oxide hydrate slurry; subjecting the aluminum oxide hydrate slurry to solid-liquid separation to obtain an aluminum oxide hydrate and an aqueous solution containing the catalyst; calcining the aluminum oxide hydrate to obtain aluminum oxide; and recycling the aluminum oxide to the step of electrolyzing the aluminum oxide, and recycling the aqueous solution containing the catalyst to the step of chemically reacting the aluminum-based hydrogen production material with water, thereby forming a closed-loop cycle.
BOPI
Sede Electrónica
