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460
resultados
Última actualización
08/01/2026 [06:57:00]
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: 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: 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: AU2024202934A1
Disclosed in one example is gas pressure equalisation systems (400-401), and method of operation, for an electro-synthetic or electro-energy liquid-gas cell or cell stack (210). The gas pressure equalisation systems (400-401) comprise a first pressure equalisation tank (410) for partially containing a first liquid (470) and a first gas. The first gas is positioned above a liquid first level (471). A first gas conduit (430) is provided for the transfer of the first gas between the cell or cell stack (210) and the first pressure equalisation tank (410). In another example, a second pressure equalisation tank (420) may be additionally provided for partially containing a second liquid (473) and a second gas positioned above a liquid second level (472). A second gas conduit (440) is then provided for the transfer of the second gas between the cell or cell stack (210) and the second pressure equalisation tank (420).
Resumen de: GB2642174A
An electrolysis system 200 for generating hydrogen and/or oxygen is defined. The system comprising: a first electrolysis apparatus 220, such as an electrolysis stack or cell. The system comprising at least one electrode for the decomposition of electrolyte water. A power supply unit is defined for supplying electric power to the first electrolysis apparatus 220. The power supply unit comprises a first diode for converting an AC input signal to a first pulsed DC signal, said first pulsed DC signal being a first half wave of the AC input signal; where the first electrolysis apparatus 220 is connected to the power supply unit in such a way that the first electrolysis apparatus 220 is supplied with the first pulsed DC signal. The power supply apparatus may comprise a centre tapped full wave rectifier. The electrolysis system may be used for the decomposition of ammonia.
Resumen de: EP4674988A1
The present invention relates to a method of producing green steel by reduction of iron oxides using hydrogen. The inventive method makes use of mining waste as starting material for H<sub>2</sub> generation by SDE process or a sulfur-iodine-process. Side products can be utilized in the steelmaking process.This is achieved by a method according to the present invention comprising the following steps:a) a part or all of the iron oxide used as raw material for steelmaking is reduced by hydrogen,b) a part or all hydrogen required for the reduction of iron oxide is generated via a SO<sub>2</sub>-depolarized electrolyzer (SDE) process or a sulfur-iodine-process, andc) diluted sulfuric acid obtained from step b) is used for at least one ofi. steel pickling,ii. reaction with steel mill dust for generation of iron sulfate (FeSO<sub>4</sub> or Fe<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>),iii. production of MgSO<sub>4</sub> or (NH<sub>4</sub>)<sub>2</sub>SO<sub>4</sub>, andiv. production of concentrated sulfuric acid.
Resumen de: GB2642328A
An offshore hydrogen production system comprising: a hydrogen production facility (10) comprising a renewable power generator (70) and at least one electrolyser (16). The capacity of the at least one electrolyser (16) corresponds to a power output of the power generator (70). The hydrogen production facility (10) is configured to be supplied with utilities for the production of hydrogen from a utilities system (11) which is located remote from the offshore hydrogen production facility (10). Also claimed is a method of producing hydrogen, a method of designing an offshore hydrogen production system, and method for the production of an offshore hydrogen production system. Also claimed is a utilities pipeline comprising a plurality of utilities fluid pipelines including at least one water supply and one hydrogen gas supply, at least one power supply cable or instrument control cable and wherein one of the water supply pipeline or hydrogen supply pipeline is positioned centrally about a longitudinal axis of the umbilical.
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: 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: 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: 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: CN116439627A
The invention is applicable to the technical field of cleaning appliances, and discloses an integrated water tank capable of cleaning and separating, which comprises a clean water tank, a sewage tank and a water tank cover, the clean water tank contains and outputs clean water to a cleaning tool, the top wall is provided with a water outlet, and the inner wall of the bottom wall is connected with a water pumping joint; the sewage tank collects sewage output by the cleaning tool, the peripheral wall and the bottom wall of the sewage tank are closed, and only the top is open; the water tank cover can cover the clear water tank and the sewage tank from the top at the same time, a clear water outlet and a sewage inlet are formed in the water tank cover, the water tank cover is directly or indirectly connected with a water pumping pipe which is arranged in the clear water tank and communicated with the clear water outlet, and the other end of the water pumping pipe is communicated with a water pumping connector. The clean water tank and the sewage tank of the water tank can be detached independently, and the whole water tank is convenient to assemble and maintain; the clear water outlet and the sewage inlet arranged on the water tank cover are far away from the water tank electricity-taking interface, so that short circuit of the electricity-taking interface caused by water tank leakage can be avoided.
Resumen de: CN116397248A
The invention provides an electrolytic bath protection structure which comprises an electrolytic bath body, a top cover and a compensation assembly, and the compensation assembly is connected between the top cover and a top opening of the electrolytic bath body in a sealed mode; the compensation assembly comprises a flow guide pipe and a corrugated telescopic pipe fixed to the flow guide pipe in a butt joint mode, a first annular mounting plate is fixed to the periphery of the bottom end of the corrugated telescopic pipe, a second annular mounting plate is fixed to the periphery of the top of the electrolytic bath body, and the first annular mounting plate and the second annular mounting plate are fixedly connected through a plurality of locking bolts; and the top cover is fixedly connected with the first annular mounting plate through a restraining assembly. According to the scheme, when the electrolytic cell expands with heat and contracts with cold due to frequent start and stop, space contraction and expansion caused by expansion with heat and contracts with cold are compensated through the effect of the compensation assembly, the situation that air pressure exerts an overlarge effect on the top cover is prevented, and the compensation effect on connection between the electrolytic cell body and the top cover is achieved; and the possibility that the inner cavity of the electrolytic bath body impacts and damages the joint of the electrolytic bath body and the top cover is
Resumen de: AU2024285985A1
A method of producing a hydrogen stream and an oxygen stream and passing the hydrogen stream and the oxygen stream to a reverse water-gas shift reactor is described, the method comprising: providing a water stream to an electrolysis system configured to form: a hydrogen stream at a first pressure, and an oxygen stream at a second pressure; passing the hydrogen stream, a carbon dioxide stream, and the oxygen stream to the reverse water-gas shift reactor, wherein the first pressure is lower than the second pressure.
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: WO2026001844A1
Disclosed in the present disclosure are a composite catalytic electrode for hydrogen evolution by water electrolysis and a preparation method therefor. The composite catalytic electrode comprises a nickel substrate, a composite catalyst layer supported on the nickel substrate, and a metal oxide protective layer coated on the surface of the composite catalyst layer. The composite catalyst layer comprises platinum, ruthenium, and palladium noble metal catalysts and a catalytic promoter. The metal oxide protective layer is a nanoporous metal oxide layer, and the metal oxide is one or more of a valve metal oxide and a rare earth metal oxide. The composite catalytic electrode for hydrogen evolution by water electrolysis in the present disclosure comprises a composite catalyst layer made of platinum, ruthenium, palladium, and a promoter, and a metal oxide protective layer coated on the outer side of the composite catalyst layer; the metal components in the composite catalyst layer can be stably combined with the metal substrate; the metal oxide protective layer is structurally similar to oxides in the composite catalyst layer, and therefore can be firmly coated on the surface of the composite catalytic layer; thus, the composite catalytic electrode can exhibit high catalytic activity for hydrogen evolution by water electrolysis, high structural stability, long-time stability, strong resistance to polarity reversal, and strong resistance to deposition.
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: 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.
Nº publicación: WO2026003347A1 02/01/2026
Solicitante:
THYSSENKRUPP UHDE GMBH [DE]
THYSSENKRUPP AG [DE]
THYSSENKRUPP UHDE GMBH,
THYSSENKRUPP AG
Resumen de: WO2026003347A1
The invention relates to a method and a system (1) for determining an operating point, in particular a hydrogen flow into an ammonia synthesis unit (40), of a system (1) for synthesizing ammonia, having a power supply (10) for providing hydrogen, said power supply comprising at least one renewable power source (11, 12, 13), wherein the determining process involves the process of determining a hydrogen flow supplied to or discharged from a hydrogen store (33) of the system (1). The invention further relates to a control program, to a computer-readable medium, and to the use of the method according to the invention, the system (1) according to the invention, or the control program according to the invention in order to produce ammonia and/or urea.
BOPI
Sede Electrónica
