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754
resultados
Última actualización
29/11/2025 [07:14:00]
Resultados 25 a 50 de 754
Resumen de: WO2024153322A1
A hydrogen plant (1) comprising - an electrolysis unit (10) having a hydrogen outlet (11) and an oxygen outlet (12); and - at least one turboexpander unit (20) connected to the oxygen outlet (12); wherein the at least one turboexpander unit (20) is connected to power a unit of the hydrogen producing plant (1) through a mechanical drive (30) directly connected to an output shaft of the turboexpander (20).
Resumen de: EP4653578A1
A hydrogen production system according to the present invention comprises: a solid oxide electrolysis cell (SOEC) that electrolyzes water vapor; a water vapor supply line for supplying water vapor to a hydrogen electrode of the SOEC; a water vapor discharge line through which water vapor discharged from the hydrogen electrode circulates; a first bypass line that communicates the water vapor supply line with the water vapor discharge line; and a first regulation device for regulating the flow rate of water vapor circulating through the first bypass line.
Resumen de: WO2024155894A2
The present disclosure concerns an electrocatalytic system and methods of the use thereof for the generation of hydrogen at both electrodes. In aspects, the present disclosure concerns an anode of a copper-silver bimetallic alloy, Cu3Ag7, and a basic anolyte with an aldehyde therein. The aldehyde reacts with the hydroxyl groups from the catholyte to produce hydrogen and the catholyte reacts water therein with the electrons from the anolyte to also produce hydrogen in a highly Faradaic efficient system. Application of the present disclosure not only provides for production of clean hydrogen, but also offers an approach for aldehyde decontamination.
Resumen de: MX2025008404A
The invention provides devices, systems, and methods for providing hydrogen gas mixtures to a subject. The invention allows hydrogen gas mixtures to be provided at a rate that does not restrict normal or even elevated breathing.
Resumen de: EP4653091A1
The present invention relates to a catalyst for an ammonia decomposition reaction, a method for preparing same, and a method for producing hydrogen by using same. More specifically, the present invention relates to a method for preparing a catalyst for an ammonia decomposition reaction, which economically and efficiently supports highly active ruthenium on a lanthanum-cerium composite oxide support, thereby preparing a catalyst that exhibits a higher ammonia conversion rate than conventional catalysts for an ammonia decomposition reaction, to a catalyst for an ammonia decomposition reaction prepared by the same method, and a method for producing hydrogen by using the same.
Resumen de: EP4653581A1
In a water electrolysis system, an AC-side connection end of a power converter is connected to an AC power grid, a series circuit constituted by at least one electrolysis stack and a circuit breaker connected to the at least one electrolysis stack is connected to a DC-side connection end of the power converter, a controller reduces the power flowing to the DC-side connection end before the electrolysis stack is isolated from the series circuit, while maintaining a speed at which the power converter reduces the power flowing to the DC-side connection end below a speed that allows a difference of an amplitude of a voltage of the AC power grid from a reference value to be less than a predetermined value, and when reaching a power level enabling disconnection of an internal DC circuit by the circuit breaker, disconnects the circuit breaker connected to the DC circuit and isolates the electrolysis stack from the series circuit.
Resumen de: EP4653583A1
Provided is a water electrolysis stack capable of improving durability. The water electrolysis stack includes a cell stack that is formed by stacking a plurality of water electrolysis cells, an inter-cell space is formed between each adjacent ones of the water electrolysis cells in the cell stack, and gas flows into the inter-cell spaces in water electrolysis.
Resumen de: EP4653577A1
A hydrogen generator with detachable filter comprises a water tank, an electrolysis module configured in the water tank, a filter channel device coupled to the water tank, a humidifying module, vertically configured above the water tank, an integrated channel device vertically configured above the humidifying module, and a condenser configured on the integrated channel device. The electrolysis module is configured to electrolyze water contained in the water tank to generate gas comprising hydrogen. The humidifying module includes a humidifying chamber and a gas channel isolated from the humidifying chamber. The filtering device is arranged in the gas channel to receive and filter the gas comprising hydrogen generated by the electrolysis module. The condenser is configured to condense the gas comprising hydrogen outputted by the filtering device. The integrated channel device includes a gas input channel for guiding the gas comprising hydrogen outputted from the condenser into the humidifying chamber.
Resumen de: CN120677016A
Provided herein are water-reactive aluminum compositions comprising aluminum or an alloy thereof and an activating metal alloy (e.g., a non-eutectic activating metal alloy comprising bismuth, tin, indium, and gallium; or an activating metal alloy comprising bismuth, tin and indium). Some water-reactive aluminum compositions provided herein are free of gallium. Also provided herein are methods of activating aluminum to provide a water-reactive aluminum composition. Also provided are fuel mixtures comprising the water-reactive aluminum composition described herein and a water-reactive aluminum composition having an increased gallium content; and methods of providing hydrogen and/or steam using the water-reactive aluminum compositions described herein.
Resumen de: DE102024204777A1
Elektrochemisches System mit einem elektrochemischen Stack (1), wobei der Stack (1) einen Einlass (201; 301) aufweist, über den eine Flüssigkeit eingeleitet werden kann, und einen Auslass (202; 302), über den eine Flüssigkeit ausgeleitet werden kann. Der Einlass (201; 301) ist mit einem ersten Flüssigkeitsbehälter (25) verbindbar und der Auslass (202; 302) mit einem zweiten Flüssigkeitsbehälter (32).
Resumen de: PL448633A1
Przedmiotem zgłoszenia jest generator wodoru i tlenu dla zastosowań medycznych, wytwarzający gaz HHO na drodze reakcji utleniania-redukcji elektrolitu po doprowadzeniu do elektrod potencjału anody i katody. Generator ma dwie płaskie anody (13) i jedną katodę (14) oraz między nimi blachy neutralne (15), odseparowane od siebie dielektrycznymi przekładkami (3), połączone poprzez dwa współosiowe otwory w jeden zespół śrubami scalającymi elektrody (9) i na każdą śrubę (9) nasunięta jest rurka izolacyjna (16) separująca śrubę od katody (14) oraz przekładek (3) i śruby (9) łączą elektrycznie ze sobą obie anody (13) i generator umieszczony jest w szklanym pojemniku na elektrolit (1), zamkniętym szczelnie od dołu pokrywą dolną (5), a do górnej części pojemnika (1) przymocowana jest szczelnie pokrywa górna (4), gdzie w pokrywie górnej (4) umieszczone są szczelnie w dedykowanych otworach śrubowe przyłącza anody (6), katody (7) oraz przewód odprowadzający gaz HHO, przy czym katoda (14) oraz jedna z anod (13) posiadają sztywne wyprowadzenia elektrycznie połączone odpowiednio z przyłączem katody (7) oraz przyłączem anody (6) i śrubowe przyłącza anody (13) i katody (14), odpowiednio (6 i 7), stanowią mocowanie generatora do pokrywy górnej (4).
Resumen de: AU2023381476A1
A cell frame adapted for use in a pressurised electrolyser cell stack is provided. From an inner circumferential rim of the cell frame, a circumferential radial shelf with inwardly tapering thickness is provided, such that an annular space between a circumferential radial shelf and a neighbouring circumferential radial shelf is provided when cell frames are stacked in alignment with each other, and that outwardly of the circumferential radial shelf, a mobility link is provided which connects the radial shelf to the remaining cell frame.
Resumen de: WO2025240133A1
A method utilizing the multi-metal composition is disclosed. The multi-metal composition may comprise: an alloy comprising at least five elements selected from the group consisting of Co, Cr, Fe, Mn, Ni, Al, Mg, Cu, Zn, Zr, Ru, Rh, Pd, Ag, W, Re, Ir, Pt, Pd, Au, Ce, Yb, Sn, Ca, Be, Mo, V, W, and Sr. The method may comprise: providing a multi-metal composition comprising an alloy comprising at least five elements selected from the group consisting of Co, Cr, Fe, Mn, Ni, Al, Mg, Cu, Zn, Zr, Ru, Rh, Pd, Ag, W, Re, Ir, Pt, Pd, Au, Ce, Yb, Sn, Ca, Be, Mo, V, W, and Sr; and interacting a gas stream comprising hydrogen sulfide with the multi-metal composition.
Resumen de: JP2025171628A
【課題】容器の破損を抑制しつつ、水素を発生させる反応容器の技術の提供。【解決手段】水素化ホウ素ナトリウムと水と酸とから、水素と四ホウ酸ナトリウムとを生成させる反応容器が提供される。この反応容器は、前記四ホウ酸ナトリウムが収容される反応容器であって、水和によって体積が膨張した前記四ホウ酸ナトリウムを許容する許容構造を有する反応容器。【選択図】図２
Resumen de: WO2025239823A1
A hydrogen providing system (1) for providing hydrogen to an ironworks plant (4) in a heavy industry site (3). The hydrogen providing system (1) comprises an electrical power control unit (5) connected to a main electrical line (2) providing alternating current, AC, power, an electrolyser (6) configured to produce hydrogen gas, at least one hydrogen storage tank (7) configured to store hydrogen gas, and a fuel mixer (8) in fluid communication with and configured to direct the flow of hydrogen between the electrolyser (6), the hydrogen storage tank (7), and the ironworks plant (4). The hydrogen providing system (1) also comprises an electrical mixer (9) connected to and configured to control the flow of current between an AC current power line (10) connected to the electric power control unit (5), which is configured to control the AC power to the AC current power line (10),a first direct current, DC, power line (11) connected to the electrolyser, and a second DC power line (12) connected to a solar power plant (13).
Resumen de: WO2025237774A1
The invention relates to a method for producing an electrode (10) for use in an electrolysis cell, comprising providing a metal flat material portion (18), wherein the flat material portion extends in a planar manner in a main plane, producing at least one three-dimensional contact structure (16) in the flat material portion (18), comprising introducing at least three slots (44) into the flat material portion in such a way that a connection piece (26) formed between two adjacent slots has a plurality of the through-openings, wherein the slots are distributed around a reference region (46), and comprising moving the reference region out of the main plane such that the reference region is displaced to a contact plane which is offset with respect to the main plane, the slots thereby being expanded, in order to form a contact region (24) of the contact structure (16). The invention also relates to such an electrode and to a stack arrangement having such an electrode.
Resumen de: WO2025237669A1
Disclosed is a method for preparing an electrochemically activated electrode for electrochemical reduction reactions, the electrode comprising at least one catalytic material based on at least one fluorinated group VIB metal, the method consisting in carrying out an oxidative electrochemical treatment on an electrode comprising at least one catalytic material based on at least one fluorinated group VIB metal.
Resumen de: WO2025237667A1
Disclosed is a method for preparing an electrochemically activated electrode for electrochemical reduction reactions, the electrode comprising at least one catalytic material based on at least one group VIB metal supported on an electrically conductive support, the method consisting in carrying out an electrochemical treatment on an electrode comprising at least one catalytic material based on at least one group VIB metal supported on an electrically conductive support. The electrochemical treatment, which is carried out by cyclic voltammetry (CV) or chronoamperometry (CA), consists of a step of oxidation under specific conditions.
Resumen de: WO2025237668A1
Disclosed is a method for preparing a catalytic material of an electrode for electrochemical reduction reactions, the catalytic material comprising an active phase based on at least one group VIB metal and fluorine. The method consists in bringing a solid material based on at least one group VIB metal sulphide into contact with a gas comprising at least difluorine, at a temperature of between -50°C and 150°C, for a duration of between 15 seconds and 120 minutes, the gas having a difluorine concentration of between 0.1 and 100% by volume relative to the total volume of the gas, a pressure of between 0.001 and 0.2 MPa, and a PPH of between 0.01 and 200 h-1.
Resumen de: WO2025238387A1
The subject of the invention relates to an electric energy conversion unit, especially for the use of electricity with time-varying power for the production of hydrogen gas, which has a current conducting piece (2) provided with an input gate (3) that may be connected to the electrical energy supply unit (4), at least one hydrogen gas production subunit (20) connected to the current conducting piece (2), and at least one hydrogen gas storage tank (30) connected to the hydrogen gas production subunit (20), where the hydrogen gas production subunit (20) has an electrolysing cell (21), and the gas output (21a) of the electrolysing cell (21) is connected to the input pipe (31)of the hydrogen gas storage tank (30), and the hydrogen gas storage tank (30) is provided with an unloading pipe (32). It is characteristic of the invention that an electric current regulation subunit (10) is fitted between the input gate (3) of the current conducting piece (2) and the hydrogen gas production subunit (20), where the electric current regulation subunit (10) has at least one transformer (11), a rectifier device (12) and a current intensity regulation device (13), and the current intensity regulation device (13) is interposed between the input gate (3) of the current conducting piece (2) and the input (11a) of the transformer (11), or between the output (11) of the transformer (11) and the input (12a) of the rectifier device (12), or between two transformers (11) in the case of several transfor
Resumen de: WO2025239840A1
The invention provides a catalytic composition, the catalytic composition comprising copper oxide nanoparticles, carbon black, and a binder. The invention also provides a catalyst, an electrode and an electrolyser comprising the catalytic composition. In addition, the invention provides a method of preparing a catalytic composition, the method comprising (a) providing a binder in a solvent to provide a binder mixture; (b) incorporating carbon black into the binder mixture; (c) incorporating copper oxide nanoparticles into the binder mixture; and (d) stirring the mixture to form a composite material of the binder, carbon black, and copper oxide nanoparticles. The invention also provides a method of producing hydrogen comprising contacting an aqueous electrolyte with the catalytic composition, the catalyst, or the electrode, and applying a voltage sufficient to split water into hydrogen and oxygen.
Resumen de: WO2025240177A1
A system and a method for stabilizing hydrogen flow to a downstream process in a facility determining a hydrogen density and pressure profiles in the hydrogen storage unit for different target net hydrogen flows at different time intervals of a time horizon of a renewable power availability profile, determining an operating target net hydrogen flow of a hydrogen feed to the downstream process, determining a target direct hydrogen flow of a hydrogen feed and a target stored hydrogen flow of a hydrogen feed to the downstream process, and controlling the operation of the downstream process based on the operating target hydrogen flows.
Resumen de: WO2025239623A1
The present invention relates to a photoelectrode and a photoelectrochemical water splitting system using same, and more specifically, to a photoelectrode in which a lower electrode, an electron transport layer including SnO2, a light absorption layer including FAPbI3, a hole transport layer, an upper electrode, and a Ni passivation thin film layer are sequentially stacked and can operate when immersed in water, and an efficient and stable large-area water splitting system capable of splitting water and producing hydrogen without an external voltage by using the photoelectrode.
Resumen de: WO2025238525A1
The invention provides an integrated system for preparing a dehydrogenated product from an alcohol, the integrated system comprising a heat integration system for heat transfer from at least one heat source to the at least one heat sink. The at least one heat sink includes a feed stream comprising an alcohol and/or an electrolyser system having an electrochemical cell configured for carrying out a partial dehydrogenation process to produce a product stream comprising hydrogen and a co-product stream comprising a dehydrogenated product from the alcohol of the feed stream and/or an infrastructure for handling and/or storing the co- product stream. The at least one heat source includes a hydrogen fuel cell for generating electricity from the product stream of the electrolyser system, wherein operation of the hydrogen fuel cell generates heat, and/or the electrolyser system, wherein the electrolyser system is configured to operate the electrochemical cell so as to generate heat.
Nº publicación: WO2025238527A1 20/11/2025
Solicitante:
TERNARY KINETICS LTD [NZ]
TERNARY KINETICS LIMITED
Resumen de: WO2025238527A1
An electrochemical process and apparatus for generating electricity from an alcohol. Electricity is generated in a hydrogen fuel cell utilising hydrogen produced by partial dehydrogenation of the alcohol in an electrolyser.
BOPI
Sede Electrónica
