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461
resultados
Última actualización
17/01/2026 [07:00:00]
Resultados 50 a 75 de 461
Resumen de: WO2024129246A1
Herein discussed is a method of producing hydrogen comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a membrane between the anode and the cathode, wherein the membrane conducts both electrons and protons, wherein the anode and cathode are porous; (b) introducing a first stream to the anode, wherein the first stream comprises ammonia or a cracked ammonia product; and (c) extracting a second stream from the cathode, wherein the second stream comprises hydrogen, wherein the first stream and the second stream are separated by the membrane.
Resumen de: AU2024228415A1
Enclosure adapted for a hydrogen and oxygen generating apparatus arranged in a movable has an interior and an interior surface and an exterior surface whereby the hydrogen and oxygen generating apparatus comprises at least one electrolyser stack adapted for electrolysing water to hydrogen product gas and oxygen product gas and accompanying gas and electrolyte handling equipment. The exterior surface of the enclosure comprises at least a heat insulating, flexible polymer cover element which is attached to a metal frame.
Resumen de: WO2024179759A1
The invention relates to an electrochemical cell and to a method for producing hydrogen and oxygen from water. By virtue of the electrochemical cell according to the invention, it is possible to carry out an electrochemical reaction at temperatures of 120 °C - 200 °C and pressures of up to 30 bar even under harsh chemical conditions (e.g. KOH mass fractions of up to 35% in the electrolyte) over long periods of time. By virtue of the method according to the invention it is possible to produce hydrogen and oxygen from water at temperatures of 120 °C - 200° C and pressures of up to 30 bar even under harsh chemical conditions (e.g. KOH mass fractions of up to 35% in the electrolyte).
Resumen de: AU2024262055A1
A family of catalysts for oxygen evolution reaction (OER) in alkaline condition is disclosed. The catalysts utilize elements which are abundant on earth, leading to lower costs compared to IrCh catalysts. The catalysts can be used in the anode of an anion exchange membrane-based water electrolyzer. The family of new catalysts comprises Ni, Fe, M, B, and O, where M is a metal from Group VIB, Group VIII, and elements 57-71 of the Periodic Table. The catalyst has a layered double hydroxide structure. Methods of making the catalysts are also described.
Resumen de: EP4675012A1
The present invention relates to a hydrogen production system and a control method therefor. The method comprises: determining operation parameter information of the hydrogen production system according to output information of a new energy power generation device; and, according to the operation parameter information and operation demand information of the hydrogen production system, selecting a switching-on mode and a switching-off mode from amongst a plurality of preset modes of hydrogen production units of the hydrogen production system. On the basis of the output information of the new energy power generation device and the operation conditions of the hydrogen production system, the present invention performs selection of switching-on and switching-off of the hydrogen production units, thus improving the operation efficiency of the hydrogen production system.
Resumen de: CN120813540A
The invention relates to a method for purifying a hydrogen stream polluted by water, oxygen and possibly nitrogen, said method comprising contacting the hydrogen stream to be purified with a zeolite-based adsorbent material, the zeolite-based adsorbent material comprises at least one metal selected from the metals of columns 3 to 12 of the Periodic Table of Elements in the form of a zero-valent metal, or in an oxidized or reduced form, and recovering a purified oxygen stream. The invention also relates to the use of a zeolite-based adsorbent material comprising at least one metal from column 3 to column 12 of the Periodic Table of Elements for purifying hydrogen, and the use of the thus purified hydrogen in industrial processes.
Resumen de: CN120476486A
A solid oxide cell stack has a combined flow distributor and contact enabler made of a pressed metal foil with diversion structures and contact regions between interconnect layers and cell layers in the stack.
Resumen de: CN120476486A
A solid oxide cell stack has a combined flow distributor and contact enabler made of a pressed metal foil with diversion structures and contact regions between interconnect layers and cell layers in the stack.
Resumen de: WO2024262440A1
This electrode 1 for water electrolysis comprises a conductive base material 10 and a layered double hydroxide layer 20. The layered double hydroxide layer 20 is provided on the surface of the conductive base material 10. The layered double hydroxide layer 20 contains Ni. In the diffraction pattern of the layered double hydroxide layer 20 obtained by a small angle incidence X-ray diffraction measurement, the diffraction peak height P012 of the 012 plane is higher than the diffraction peak height P003 of the 003 plane.
Resumen de: MY201158A
In a method for generating ammonia synthesis gas by electrolysis, comprising feeding a mixture of steam and com- pressed air into the first of a series of electrolysis units and passing the outlet from one electrolysis unit to the inlet of the next electrolysis unit together with air, the electrolysis units are run in endothermal mode and the nitrogen part of the synthesis gas is provided by burning the hydrogen produced by steam electrolysis by air in or between the electrolysis units. The electrolysis units are preferably solid oxide electrolysis cell (SOEC) stacks.
Resumen de: US2021130967A1
The invention provides a diaphragm for alkaline water electrolysis with reduced dissolution of an inorganic component in an alkali solution at low cost. The present invention relates to a diaphragm for alkaline water electrolysis, including magnesium hydroxide and an organic polymer resin.
Resumen de: WO2026003300A1
Initially an assembled electrolyser cell stack comprising at least alternatingly, � electrodes and bipolar plate assemblies and � diaphragms is provided. Stack internal process and flow volumes, namely catholyte flow volume and process chambers and anolyte flow volume and process chambers adjacent to and on each side of every diaphragm are simultaneously partially or completely flooded through each of stack internal catholyte manifold and stack internal anolyte manifold with a liquid alkaline conservation medium and O2 side electrolyte inlet connection, H2 side electrolyte inlet connection, anolyte and oxygen gas exit connection and catholyte and hydrogen gas exit connection are each sealed off adjacent to an electrolyser endplate after partially or completely flooding the mentioned stack internal volumes with the fluid conservation medium.
Resumen de: AU2024263112A1
The present invention relates to an electrode and in particular to an electrode suitable for gas evolution comprising a metal substrate and a catalytic coating. Such electrode can be used as an anode for the development of oxygen in electrolytic processes such as, for example, in the alkaline electrolysis of water.
Resumen de: WO2026003195A1
A chemical plant is provided, in which an electrolysis section is arranged to receive at least a portion of a first steam feed and electrolyze it to provide a hydrogen stream and an oxygen- enriched stream. A first heat exchanger is arranged to receive at least a portion of the oxygen-enriched stream and a combustion air stream to transfer heat from the oxygen- enriched stream to the combustion air stream. The heated combustion air stream and at least a portion of an off-gas stream are arranged to be combusted in at least one burner so as to provide a combusted gas stream. A second heat exchanger is arranged to receive at least a portion of said combusted gas stream and said water stream. The second heat exchanger is arranged to transfer heat from the at least a portion of the combusted gas stream to the water stream so as to provide a cooled combusted gas stream and a steam stream. A process for production of a steam stream using a combustible off-gas stream in the chemical plant is also provided.
Resumen de: WO2026003147A1
A separator for water electrolysis comprising a cathode facing side (101) and an anode facing side (201), characterized in that the cathode- and anode facing sides are visually distinct.
Resumen de: WO2026002680A1
The invention describes a method for treating a feedstock comprising at least one carbonaceous plastic fraction, in which method the steps of pretreatment, gasification, Fischer-Tropsch synthesis, water electrolysis and conversion of carbon dioxide to hydrogen (RWGS reaction) are combined to optimal effect, making it possible to achieve improved production yields and better energy and economic performance (energy efficiency, production cost, etc.) while complying with environmental constraints, such as greenhouse gas emissions, to which increasingly lower thresholds apply.
Resumen de: WO2026002679A1
The invention describes a method in which the steps of pretreatment, gasification, Fischer-Tropsch synthesis, water electrolysis and conversion of carbon dioxide to hydrogen (RWGS reaction) are combined to optimal effect, making it possible to achieve improved production yields and better energy and economic performance (energy efficiency, production cost) while complying with environmental constraints, such as greenhouse gas emissions, to which increasingly lower thresholds apply.
Resumen de: WO2026002653A1
A method for revamping a methanol plant where make-up gas is produced from reforming of natural gas, the method including the provision of a CO2 capture section processing a stream of combustion fumes produced in a fired equipment of the methanol plant, and the provision of a line arranged to add at least part of the captured CO2 to the make-up gas for the production of methanol; the provision of an additional hydrogen source arranged to add hydrogen to the make-up gas; the provision of a once-through reaction section before the existing methanol synthesis loop and a related bypass line; a process for production of methanol is also disclosed, wherein a portion of make-up gas is reacted in a once-through methanol converter and unreacted make-up gas separated from the effluent of said first converter is subsequently reacted in a methanol synthesis loop (12).
Resumen de: WO2026002615A1
Process for the production of carbon monoxide, said process comprising: · providing an ammonia stream and a carbon dioxide stream, · performing an endothermic cracking reaction of said ammonia stream for producing a cracked gas (5) comprising hydrogen and nitrogen, · performing a reverse water gas shift reaction with said hydrogen from the cracked gas and said carbon dioxide stream as reactants, for producing a product gas (6) comprising carbon monoxide and water.
Resumen de: WO2026006063A1
A system for generating hydrogen may include an electrochemical device and a separator vessel. A hydrogen sensor may be operable to sense hydrogen in a fluid stream communicated from the separator vessel. A method of operating an electrolyzer is also disclosed.
Resumen de: WO2026005648A1
The invention can be used in the creation of devices for producing hydrogen as a fuel, inter alia, at energy-intensive industrial facilities. What is proposed is a system for producing hydrogen from superheated steam comprising the following units: a generating unit consisting of the following elements arranged coaxially in a direction from the centre to the periphery: a central electrode, a cathode, a tube sealed at one end and made of a solid oxide electrolyte with oxygen ion conductivity, an anode, and permanent magnets; an electric power unit for supplying a voltage to the cathode, the anode and the central electrode; a control unit; and a gas measuring unit. The control unit receives data from the gas measuring unit and also engages in two-way communication with the electric power unit. The electric power unit, the control unit and the gas measuring unit are combined into a single unit that engages in two-way communication with the generating unit. The gas measuring unit is comprised of a system of sensors. Also proposed is a method for producing hydrogen using the claimed system. The group of inventions makes it possible to simplify the structure of a system for producing hydrogen, to regulate and automate the process, to conduct monitoring, to obtain controlled and efficient feedback, and to expand the existing range of energy-efficient means and methods for producing hydrogen.
Resumen de: WO2026004449A1
This SOEC generates hydrogen by electrolyzing water vapor supplied thereto. The present invention is provided with: a cathode flow path (209) through which a water vapor-containing gas that contains water vapor and nitrogen flows; an anode flow path (207) through which an oxidizing gas flows; a water vapor electrolysis chamber (215) into which the water vapor-containing gas flowing through the cathode flow path (209) and the oxidizing gas flowing through the anode flow path (207) are introduced so as to generate hydrogen by electrolyzing water vapor supplied from the cathode flow path (209), and from which a mixed gas that contains the generated hydrogen is discharged; and a lower heat exchange unit (213) which exchanges heat between the mixed gas discharged from the water vapor electrolysis chamber (215) and the oxidizing gas to be supplied to the water vapor electrolysis chamber (215). The lower heat exchange unit (213) is configured so that the mixed gas that exchanges heat with the oxidizing gas is at a specific temperature at which the mixed gas has a desired composition.
Resumen de: WO2026004399A1
This hydrogen production system comprises: an SOEC (10) that generates ammonia, and electrolyzes supplied water vapor to generate hydrogen; a water vapor supply system (90) that guides water to the SOEC (10); a condenser (60) to which ammonia-containing hydrogen discharged from the SOEC (10) is guided, and cools the ammonia-containing hydrogen to condense the ammonia; and a condensed water line (L32) that guides the ammonia condensed by the condenser (60) to the water vapor supply system (90).
Resumen de: WO2026004400A1
An ammonia production system according to the present invention comprises: a solid oxide electrolysis cell (10) to which a gas containing water vapor and nitrogen is supplied, and which generates hydrogen and ammonia through an electrolytic reaction of the supplied gas; a water vapor supply line (L10) that guides the water vapor to the solid oxide electrolysis cell (10); a separation unit (60) that guides a mixed gas which was discharged from the solid oxide electrolysis cell (10) and contains ammonia, hydrogen, and nitrogen, and separates the hydrogen and nitrogen contained in the mixed gas; and a circulation line (L32) that guides the hydrogen and nitrogen separated by the separation unit (60) to the water vapor supply line (L10).
Nº publicación: WO2026003852A1 02/01/2026
Solicitante:
CHEEMA HARJINDER SINGH [IN]
KUNDRA J P [IN]
CHEEMA MEHAR [IN]
CHEEMA SAHEJ KAUR [IN]
CHEEMA, Harjinder Singh,
KUNDRA, J.p,
CHEEMA, Mehar,
CHEEMA, Sahej Kaur
Resumen de: WO2026003852A1
The present invention relates to a cost effective, efficient, ecofriendly system for producing hydrogen by the electrolysis of mineral water in the presence of a magnetic field using an assembly of vertical stainless steel supported graphite electrodes such that the magnetic field is perpendicular to the assembly of electrodes The system comprises of three interconnected units, namely the magnetic electrolyser fitted with a plurality of neodymium magnets, a pneumatically operated pump and a pressure swing absorption unit.
BOPI
Sede Electrónica
