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Última actualización
10/01/2026 [07:10:00]
Resumen de: AU2024305642A1
The invention relates to a method (100) for producing hydrogen and/or oxygen by means of electrolysis, in which an electrolysis unit (10) is supplied with a direct current (2) which is provided from an alternating current (1) using a rectifier (20), wherein the electrolysis unit (10) is supplied with water using a water circuit (110). The rectifier (20) is cooled using a cooling water which is provided using a sub-flow (5) of water being conducted in the water circuit (110) and/or water supplied to the water circuit. The invention likewise relates to a corresponding system.
Resumen de: WO2026011021A1
Large scale exploitation of Solar energy is proposed by using floating devices which use solar energy to produce compressed hydrogen by electrolysis of deep sea water. Natural ocean currents are used to allow the devices to gather solar energy in the form of compressed hydrogen from over a large area with minimum energy transportation cost. The proposal uses a combination of well understood technologies, and a preliminary cost analysis shows that the hydrogen produced in this manner would satisfy the ultimate cost targets for hydrogen production and pave the way for carbon free energy economy.
Resumen de: WO2026008847A1
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 H2 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 SO2-depolarized electrolyzer (SDE) process or a sulfur-iodine-process, and c) a part or all of the diluted sulfuric acid obtained from step b) is used for at least one of i. steel pickling, ii. reaction with steel mill dust for generation of iron sulfate (FeSO4 or Fe2(SO4)3), and iii. increasing the concentration of said diluted sulfuric acid by vacuum evaporation of water using off-heat from steelmaking or pyrite roasting.
Resumen de: WO2026006927A1
The various embodiments described herein generally relate to the production and storage of gasses, such as hydrogen and oxygen, and more particularly to an electrolysis cell for supplying the hydrogen and oxygen gasses as gaseous fuel for clean power generation systems such as linear alternators.
Resumen de: WO2026009849A1
This organic compound is represented by general formula (1). X includes at least one type of linking group selected from the group consisting of an arylene group and an aromatic heterocyclic group, Y is a single bond or an aliphatic hydrocarbon linking group, Ar is an aromatic heterocyclic group, R1 and R2 are each independently a hydrogen atom or an aliphatic hydrocarbon group, R3, R4, R5 and R6 are each independently a hydrogen atom, an aliphatic hydrocarbon group or an aryl group, and at least one combination selected from the group consisting of R3 and R5, and R4 and R6, may bond to each other to form a ring.
Resumen de: WO2026008367A1
An offshore hydrogen production system is described comprising: a hydrogen production facility (10) comprising a power generator (70) configured to convert a source of renewable energy to electrical power 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 described is a method of producing hydrogen, a method of designing an offshore hydrogen production system, a method for the production of an offshore hydrogen production system.
Resumen de: AU2024265710A1
Disclosed herein is a method of generating molecular hydrogen comprising the steps of: (i) providing a plasma chamber having an inlet and an outlet; (ii) providing a feed of a hydrogen containing molecule through the inlet to a plasma in said plasma chamber wherein said plasma is exposed to at least one electromagnetic frequency whereby said hydrogen containing molecule is disassociated into a hydrogen species and at least one non-hydrogen species; (iii) removing said hydrogen species from the chamber at the outlet; and (iv) then forming molecular hydrogen from said hydrogen species.
Resumen de: WO2026009910A1
An electrolysis cell 21 comprises: a solid electrolyte layer 211; a fuel electrode layer 213 that is disposed as a stack on one surface side of the solid electrolyte layer 211; and an air electrode layer 212 that is disposed as a stack on the other surface side of the solid electrolyte layer 211. The fuel electrode layer contains Fe. When a surface 213a1 on the solid electrolyte layer side of the fuel electrode layer is defined as a first surface and a surface 213b2 on the side opposite from the solid electrolyte layer side is defined as a second surface, n points pk (where k is an integer of 1 to n) are set in the fuel electrode layer along the thickness direction at intervals such that a point p1 is located at the first surface, a point pn is located at the second surface, and k increases in the direction from the first surface toward the second surface, and when a value obtained by dividing, by n, a cumulative value of the Fe concentration at each of the points from the point p1 to the point pk is defined as a normalized cumulative value Ck of the Fe concentration at the point pk, a normalized cumulative value Cn is 0.118-0.367 wt%.
Resumen de: AU2024310412A1
The present disclosure relates generally to integrated processes for the production of methane and its use in dry methane reforming. In one aspect, the present disclosure provides process for producing a stream containing hydrogen and carbon monoxide, the process comprising: providing a methane synthesis feed stream comprising hydrogen and carbon dioxide; contacting the methane synthesis feed stream with a methane synthesis catalyst (e.g., in a methane synthesis reactor) to form a methane synthesis product stream comprising methane and water; providing a dry methane reformation feed stream comprising carbon dioxide and at least a portion of the methane of the methane synthesis product stream; contacting the dry methane reformation feed stream with a dry methane reformation catalyst (e.g., in a dry methane reformation reactor) to produce a dry methane reformer product stream comprising carbon monoxide and hydrogen.
Resumen de: AU2025271499A1
Abstract A membrane element configured for filtration of water while simultaneously co- generating hydrogen, wherein the membrane comprises at least one anode electrode and at least one cathode electrode, each is in communication with said membrane; further wherein said membrane is adapted for electrolysis of at least a portion of said water to simultaneously at least partially generate hydrogen therefrom; further wherein at least one electrode selected from a group consisting of at least one anode electrode and at least one cathode electrode comprise at least one selected from a group consisting of at least one feed spacer, at least one permeate spacer and any combination thereof. combination thereof.20 ov b s t r a c t o v c o m b i n a t i o n t h e r e o f
Resumen de: WO2026009488A1
Disclosed is a novel technology for applying SOEC in a direct reduction process in which a shaft furnace is used. A hydrogen reduction system according to the present disclosure has a shaft furnace, a reducing gas supply device, a reducing gas heating device, a source material pretreatment device, and a hydrogen production device. In this hydrogen reduction system, a reducing gas is supplied to the shaft furnace via the reducing gas supply device and the reducing gas heating device, and a 600°C to 900°C iron oxide source material is supplied to the shaft furnace via the source material pretreatment device. The hydrogen production device has an SOEC, and the SOEC uses a steam-containing gas which has been discharged from the shaft furnace to produce hydrogen gas. The hydrogen gas produced by the SOEC is used as a reducing gas.
Resumen de: WO2026008081A1
Disclosed in the present invention is a system for preparing green methanol by means of biomass gasification coupled with green hydrogen. The system comprises: a gasification unit (A), a purification unit (B), a hydrogen and oxygen unit (C) and a synthesis unit (D), wherein synthesis gas (104) produced by the gasification unit (A) passes through the purification unit (B) and serves as a raw material gas (107) of the synthesis unit; oxygen (109) produced by the hydrogen and oxygen unit (C) serves as oxygen of the gasification unit, and hydrogen (113) produced by the hydrogen and oxygen unit (C) serves as a hydrogen source for adjusting the hydrogen-carbon ratio of the raw material gas of the synthesis unit (D); and part of a purge gas (121) of the synthesis unit (D) is returned to the gasification unit for recycling. The system of the present invention operates stably and reliably, and has a high utilization rate of renewable carbon sources, and a low methanol preparation cost.
Resumen de: WO2026009969A1
The present invention addresses the problem of providing a hydrogen production apparatus using a solid oxide electrolysis cell, in which the water vapor utilization rate is high, and followability of a change in water vapor supply flow rate with respect to a power load fluctuation is good . The present invention also addresses the problem of providing a hydrogen production method using the hydrogen production apparatus. A hydrogen production apparatus 10 has a reactor R in which a solid oxide type electrolysis cell 10 is installed, the solid oxide type electrolysis cell 10 including: a water vapor electrode 20 in which an electrolytic reaction of water vapor occurs; a gas-impermeable and ion-permeable solid oxide electrolyte 40; and a counter electrode 30 in which a reaction of a charge carrier that is generated through the electrolytic reaction in the water vapor electrode 20 and that passes through the solid oxide electrolyte 40 occurs. The hydrogen production apparatus 10 has an injector 23 that supplies water in a pulsed manner to the water vapor electrode 20 side of the reactor R. The above problems are solved by supplying water to the water vapor electrode 20 in a pulsed manner.
Resumen de: AU2025271525A1
MAGNETOHYDRODYNAMIC ELECTRIC POWER GENERATOR A power generator that provides at least one of electrical and thermal power comprising (i) at least one reaction cell for the catalysis of atomic hydrogen to form hydrinos identifiable by unique analytical and spectroscopic signatures, (ii) a reaction mixture comprising at least two components chosen from: a source of H20 catalyst or H20 catalyst; a source of atomic hydrogen or atomic hydrogen; reactants to form the source of H20 catalyst or H20 catalyst and a source of atomic hydrogen or atomic hydrogen; and a molten metal to cause the reaction mixture to be highly conductive, (iii) a molten metal injection system comprising at least one pump such as an electromagnetic pump that causes a plurality of molten metal streams to intersect, (iv) an ignition system comprising an electrical power source that provides low-voltage, high-current electrical energy to the plurality of intersected molten metal streams to ignite a plasma to initiate rapid kinetics of the hydrino reaction and an energy gain due to forming hydrinos, (v) a source of H2 and 0 2 supplied to the plasma, (vi) a molten metal recovery system, and (vii) a power converter capable of (a) converting the high- power light output from a blackbody radiator of the cell into electricity using concentrator thermophotovoltaic cells or (b) converting the energetic plasma into electricity using a magnetohydrodynamic converter. MAGNETOHYDRODYNAMIC ELECTRIC POWER GENERATOR ov o v
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: 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: 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: 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: 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: 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: 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: 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: 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.
Nº publicación: CN121285657A 06/01/2026
Solicitante:
松下知识产权经营株式会社
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.
BOPI
Sede Electrónica
