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425
resultados
Última actualización
15/01/2026 [07:10:00]
Resumen de: WO2024184586A1
The invention relates to a method for producing hydrogen. The method comprises providing water and a gaseous substance, the gaseous substance comprises hydrogen atoms and carbon atoms, producing a mixture comprising the water and bubbles comprising the gaseous substance, decreasing diameter of the bubbles comprising the gaseous substance, and producing gaseous hydrogen by decomposing the gaseous substance in the bubbles having the decreased diameter. The invention further relates to apparatus for producing hydrogen gas.
Resumen de: WO2024184587A1
The invention relates to a method for producing a compound comprising at least one of hydrogen or oxygen. The method comprises providing water and a first substance, producing a mixture comprising the water and bubbles comprising the first substance, decreasing diameter of bubbles comprising the first substance, decomposing a part of the water, and composing a compound at least from the decomposed water and the first substance, and the compound comprising at least one of hydrogen or oxygen. The invention further relates to apparatus for producing a compound comprising at least one of hydrogen or oxygen.
Resumen de: GB2642535A
A method for the manufacture of catalyst-coated polymer electrolyte membranes (CCMs) for water electrolysis is described. The CCMs may comprise a proton exchange membrane (PEM) or an anion exchange membrane (AEM) with an anode layer and/or a cathode catalyst layer applied to a face of the membrane. The method comprises the steps of forming a polymer electrolyte membrane on a first catalyst layer 2 comprising a platinum-containing catalyst on a carbon support material 1 and a catalyst layer ion-conducting polymer. The catalytic layer 2 may comprise a hydrogen evolution catalyst (HER) and/or an oxygen evolution catalyst (OER). The first catalyst layer 2 has an expected effective platinum surface area in the range of and including 5-200 cm2Pt/cm2 and a carbon content in the range of and including 30-60 wt%.
Resumen de: TW202436207A
A first aspect is directed to a method for producing hydrogen by thermochemical splitting of water includes injecting one or more feed streams of water into a reaction chamber. The method further includes using heat from a subterranean heat source to carry out the thermochemical splitting of water to form hydrogen and oxygen in the reaction chamber. The formed products are subsequently removed from the reaction chamber. A second aspect is directed to a reaction system includes a wellbore extending from a surface into a subterranean heat source. The reaction system further includes a reaction chamber configured to be maintained at a reaction temperature using heat from the subterranean heat source. The reaction system further includes one or more inlet conduits. The inlet conduits are configured to provide one or more feed streams to the reaction chamber. The reaction system also includes outlet conduits configured to allow flow of one or more product streams.
Resumen de: GB2642534A
A system and process for facilitating the direct electrolysis of saltwater, such as seawater, is described. The system comprises an acid-base flow battery (ABFB) 230 with an acid solution outlet 403, an alkaline solution outlet 402 and a saltwater inlet 401; and a water electrolyser 340 downstream of the ABFB for producing hydrogen 408, the electrolyser comprising a negative electrode and a positive electrode. The ABFB is in fluid communication with the water electrolyser, such that, in use, an alkaline solution from the alkaline solution outlet of the acid-base flow battery passes into a positive electrode channel of the water electrolyser proximal the positive electrode. By coupling a water electrolyser with an upstream acid-base flow battery in this way, the base solution by-product from the ABFB is fed into the positive (anode) channel of the electrolyser. In this way, the pH proximal the positive electrode is increased. As a result, saltwater is subjected to electrolysis without the evolution of chlorine or bromine at the positive electrode. The brine by-product of the process may be subjected to freshwater-saltwater reverse electrodialysis (RED) to convert dilution energy to usable electricity.
Resumen de: CN120659909A
An electrochemical cell stack (1) comprising a plurality of cells (2) separated from one another by bipolar plates (5, 5 '), where each cell (2) is formed by two half-cells (3, 4) between which a membrane (6) surrounded by a support frame (7) is arranged, and where a porous transport layer (10, 11) is present in each half-cell (3, 4). The support frame (7) describes a step shape having two adjacent cross-sectional areas (12, 13), in which the edge (18) of the membrane (6) lies in a step (17) formed by the cross-sectional areas (12, 13) and the porous transport layer (10) of the half-cell (3) extends into the step (17), and in which the porous transport layer (10) of the half-cell (3) extends into the step (17). According to the invention, the support frame (7) comprises at least one sealing arrangement (15) injection molded onto the support frame (7) and comprising an electrically insulating sealing material, according to the invention, the sealing arrangement (15) comprises three sealing regions (19, 20, 21), each having at least one sealing lip (22, 22 '), in particular a first sealing region (19) and a second sealing region (20) and a third sealing region (21), which are assigned to narrower regions of the two cross-sectional regions (12, 13) facing the membrane (6), the first sealing region and the second sealing region each contact exactly one bipolar plate (5, 5 '), and the third sealing region is located on a side of the support frame (7) facing away from the step (17)
Resumen de: CN116377465A
The invention is applicable to the related technical field of hydrogen production, and provides a polar plate for reducing the starting time of an alkaline hydrogen production device and an assembly process thereof.The main polar plate comprises a metal ring, two partition plates which are symmetrically arranged are fixedly connected to the inner wall of the metal ring, holes are evenly distributed in the metal ring, a cavity is formed between the holes and the two partition plates, the partition plates are 0.6 mm steel plates, and the metal ring is made of stainless steel. The distance between the two partition plates is 0.8 mm. A cavity is formed in the metal ring under the action of the partition plates, when the alkaline hydrogen production device is started, water at the constant temperature of 85 DEG C is injected into a new drainage basin 2 hours ahead of time by a technician, circulation is conducted to heat the electrolytic bath till the electrolytic bath is heated to 65 DEG C, at the moment, the alkaline hydrogen production device is started, circulation of the water at the constant temperature of 85 DEG C is stopped, and therefore the alkaline hydrogen production device is started. And the temperature of the alkaline hydrogen production electrolytic cell is increased from 65 DEG C to 85 DEG C. The time is 2 hours; the starting time of the alkaline hydrogen production device is shortened to 2 hours, and the energy consumption of the alkaline hydrogen production devi
Resumen de: AU2024407460A1
A catalyst coated separator for alkaline water electrolysis (1) comprising a porous support (100) and on at least side of the support, in order: - an optional porous polymer layer (200), - a non-porous alkali-stable polymer layer (300), and - a catalyst layer (400).
Resumen de: CN119491243A
The invention relates to the technical field of household appliances, and provides a hydrogen peroxide generating device and application thereof. The hydrogen peroxide generating device comprises a shell, a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are formed in the shell, the liquid inlet is used for being connected with a water supply component, a cathode piece and an anode piece which are used for electrolyzing water to generate a hydrogen peroxide solution are arranged in the shell, and the liquid outlet is used for discharging the generated hydrogen peroxide solution. According to the hydrogen peroxide generating device provided by the invention, water entering the shell through the liquid inlet can be electrolyzed to generate the hydrogen peroxide solution, and the generated hydrogen peroxide solution is discharged through the liquid outlet; the hydrogen peroxide generating device can be applied to household appliances such as clothes washing equipment, clothes processing equipment, an air conditioner, a dehumidifier, a refrigerator and a dish washing machine, can play a good role in cleaning, odor removal, disinfection, sterilization and the like, reduces the use of detergent, and improves the use experience of a user.
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: CA3273968A1
5 10 15 20 25 30 35 Abstract The present invention relates to a method of preparing a composite material, in particular one useful as a catalyst in an electrolytic hydrogen evolution reaction and/or the oxygen evolution reaction and/or urea oxidation-assisted water electrolysis. Provided is a method of preparing a composite material, the method comprising the steps of: (i) electrochemically depositing material onto a substrate from a deposition solution comprising a nickel (II) salt and graphene oxide, to obtain a nickel-reduced graphene oxide composite material comprising nickel dispersed on reduced graphene oxide, said composite material being deposited on the substrate; (ii) after step (i), placing the substrate, having the nickel-reduced graphene oxide composite deposited thereon, in an alkaline solution along with a counter electrode; and (iii) after step (ii), partially electrochemically oxidising the nickel, to obtain a partially oxidised nickel-reduced graphene oxide composite material comprising partially oxidised nickel dispersed on reduced graphene oxide, said composite material being deposited on the substrate. The composite of the invention demonstrates high catalytic activity for electrolytic hydrogen production under alkaline water electrolysis conditions (for example, a hydrogen evolution current of up to 500 mA cm-2 at -1.35 V against a Reversible Hydrogen Electrode). High activity is demonstrated even when the substrate (on which the composite is deposited)
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: 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.
Nº publicación: GB2642174A 07/01/2026
Solicitante:
PAUL FRANCIS GEARY [GB]
PAUL FRANCIS GEARY [GB]
Paul Francis Geary
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.
BOPI
Sede Electrónica
