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1001
resultados
Última actualización
06/03/2026 [06:56:00]
Resultados 25 a 50 de 1001
Resumen de: US20260055523A1
The technology generally concerns novel aerogels of mixed metal oxides and uses thereof as electrocatalysts.
Resumen de: US20260055522A1
Provided herein is a hydrogen gas production assembly includes a hydrogen gas production device, a container including an aqueous electrolyte solution, a storage container for storing produced hydrogen gas an input providing the aqueous electrolyte solution from the container to the hydrogen gas production device and an output for transferring produced hydrogen gas from the hydrogen gas production device to the storage container.
Resumen de: US20260055519A1
An electrolysis apparatus operation system includes an electrolysis apparatus, a control unit, a target state-of-health value input unit, and a control parameter calculating unit. The electrolysis apparatus has a plurality of electrolytic stacks in which a plurality of electrolytic cells that produce hydrogen by electrolyzing water are stacked. The control unit controls a controlled subject based on a control parameter that affects state-of-health of the controlled subject. The target state-of-health value input unit allows a system user to input a target state-of-health value that is a target value for state-of-health. The control parameter calculating unit calculates a control parameter of the controlled subject based on the target state-of-health value. The controlled subject is the electrolysis apparatus.
Resumen de: US20260055518A1
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 is both electronically conducting and ionically conducting; (b) introducing a first stream to the anode, wherein the first stream comprises ammonia; (c) introducing an oxidant to the anode; and (d) introducing a second stream to the cathode, wherein the second stream comprises water and provides a reducing environment for the cathode; wherein hydrogen is generated from water electrochemically; wherein the first stream and the second stream are separated by the membrane; and wherein the oxidant and the second stream are separated by the membrane.
Resumen de: US20260055517A1
Microorganisms and bioprocesses are provided that convert gaseous C1 containing substrates, such as syngas, producer gas, and renewable H2 combined with CO2, into nutritional and other useful bioproducts.
Resumen de: US20260055516A1
A water electrolysis cell includes a membrane-electrode assembly, a frame body made of resin that is provided along a peripheral edge of the membrane-electrode assembly, and a first separator and a second separator that face each other through the membrane-electrode assembly and the frame body and are joined to each other by the frame body. An outer peripheral portion of the membrane-electrode assembly is extended to between a first face of the frame body and the first separator. A surface of the first face includes an antioxidant.
Resumen de: US20260054981A1
A method for hydrogen production may comprise: feeding a steam stream and a natural gas stream to a methane reforming unit to produce a gray hydrogen gas and CO2 stream; feeding the gray hydrogen and CO2 stream to a CO2 capture unit to produce blue hydrogen; feeding a water stream and electricity to an electrolyzer unit to produce a green hydrogen gas and oxygen; and collecting the blue hydrogen from the CO2 capture unit and the green hydrogen from the electrolyzer unit. A hydrogen production system may comprise: a methane reforming unit; a CO2 capture unit; and an electrolyzer.
Resumen de: AU2026200812A1
22418031_1 (GHMatters) P121123.AU.1 The present application relates to water electrolyzers, including water electrolyzers incorporating anion exchange membranes. The present applications also 5 relates to materials incorporated into water electrolyzers and approaches for manufacturing water electrolyzers, as well as methods of using water electrolyzers. eb e b
Resumen de: DE102025110831A1
Eine Wasserelektrolysezelle beinhaltet eine Membran-Elektroden-Anordnung, einen Rahmenkörper aus Harz, der entlang einer Umfangskante der Membran-Elektroden-Anordnung bereitgestellt ist, und einen ersten Separator und einen zweiten Separator, die einander durch die Membran-Elektroden-Anordnung und den Rahmenkörper gegenüberliegen und durch den Rahmenkörper miteinander verbunden sind. Ein äußerer Umfangsabschnitt der Membran-Elektroden-Anordnung erstreckt sich bis zwischen einer ersten Fläche des Rahmenkörpers und den ersten Separator. Eine Oberfläche der ersten Fläche beinhaltet ein Antioxidationsmittel.
Resumen de: SE2350468A1
An electrode (200) for a proton exchange membrane water electrolyzer, the electrode (200) comprising a plurality of elongated nanostructures (220) arranged on a substrate (210). The elongated nanostructures (220) are attached to the substrate (210) at a respective first end and extend along a direction perpendicular to a plane of extension of the substrate (210). The plurality of elongated nanostructures (220) are coated with a conformal protective layer (230), and a catalyst layer (240) is arranged on the conformal protective layer. The catalyst layer (240) comprises a plurality of nanoparticles (241), the nanoparticles (241) forming a continuous coating on at least a part of the surface of the plurality of elongated nanostructures (220).
Resumen de: WO2024165389A1
The present invention relates to a pyrogenic process for manufacturing metal oxides or metalloid oxides wherein a metal precursor and/or a metalloid precursor is introduced into a flame formed by burning a gas mixture comprising oxygen and hydrogen, wherein at least a part of the hydrogen has been obtained from electrolysis of water or an aqueous solution, using electrical energy, at least a part of which has been obtained from a renewable energy source, and wherein at least a part of the thermal energy of the flame is transferred to a first heat transmission medium by means of at least one exchanger, thereby heating the first heat transmission medium to a maximal temperature in the range between 80 and 150 °C.
Resumen de: AU2024256387A1
The invention relates to a method (100) for producing hydrogen (103), wherein feed water is subjected to electrolysis (10) with a cathode gas (101) being obtained, wherein the cathode gas (101) contains hydrogen, oxygen and some of the feed water, wherein a process gas flow (102) is formed using at least some of the cathode gas (101), wherein the process gas flow (102) contains at least some of the hydrogen, oxygen and feed water contained in the cathode gas (101), and wherein, in the process gas flow (102), at least some of the oxygen is subjected to an oxidative catalytic reaction with some of the hydrogen to form oxidation water, and wherein at least some of the feed water and the oxidation water in the process gas flow (102) are removed from the process gas flow (1029 in a water removal process. The catalytic reaction and the water removal process are carried out using one or more process units (41, 42), wherein the one process unit (41, 42) or each of the plurality of process units (41, 42) has a first adsorptive drying bed (4a), by means of which at least some of the feed water is removed from the process gas flow (102), a catalytic bed (4b) which is arranged downstream of the first drying bed (4a) and by means of which the catalytic reaction is carried out, and a second adsorptive drying bed (4c) which is arranged downstream of the catalytic bed and by means of which at least some of the oxidation water is removed from the process gas flow (102). The invention also pro
Resumen de: WO2024217840A1
A method for producing green hydrogen by electrolysis in a hybrid power plant (10), which comprises at least: - a wind turbine (11 ) with a rotor (11.1), a drive-train and a generator; multiple photovoltaic modules (12), - an electrolysis unit (15) for producing hydrogen by electrical power generated by the wind turbine (11) and/or the photovoltaic modules (12), an internal electrical power grid interconnecting the generator, the photovoltaic modules (12) and the electrolysis unit (15) within the power plant (10) and - a control unit (16); wherein a) electrical energy is generated by using the photovoltaic modules (12) and/or wind turbines (11 ); b) cloud coverage and/or solar radiation is measured by at least one weather sensor (14) which is located in a windward position remote of the power plant (10) and which is connected to the control unit (16) via a data link; According to a first aspect of the invention the wind turbine (11) is used as kinetic energy storage and according to another aspect of the invention the wind turbine (11) is used as an energy absorber by increasing inertia of the rotor (11.1).
Resumen de: AU2024257970A1
Process for synthesis of ammonia wherein: ammonia make-up gas (7) containing hydrogen and nitrogen is reacted in an ammonia converter (15) under ammonia forming conditions thus obtaining an ammonia-containing effluent (8); a first hydrogen portion contained in the ammonia make-up gas (7) is produced by reforming a hydrocarbon source (1) in a reforming process (100); a second hydrogen portion (19) contained in the ammonia make-up gas (7) is produced separately from said reforming process (100), by using at least a renewable energy source (SE, WE); a part of said hydrogen (19) produced in step (c) is stored in a hydrogen storage (103); hydrogen (20) from said hydrogen storage (103) is used to fully or partially replace said second hydrogen portion (19) when said renewable energy source (SE, WE) is fully or partially unavailable. Said process comprising the steps of: assessing an expected flow rate of the hydrogen (19) produced in step (c); adjusting a flow rate of the hydrocarbon source (1) so that a flow rate of the first hydrogen portion in said ammonia make- up gas (7) is in a desired ratio with respect to said expected flow rate; detecting an actual amount, e.g., a filling level, of said hydrogen in said hydrogen storage (103); detecting an actual flow rate of hydrogen produced using the renewable energy source (SE, WE), and adjusting a flow rate of the hydrogen (20) from said hydrogen storage (103) depending on said actual amount detected in said hydrogen storage (103) and
Resumen de: GB2700654A
An apparatus 1 for generating hydrogen includes a housing 10 containing a cylindrical first electrode 11 surrounding a part-conical or frusto-conical second electrode 12. Each of the first and second electrode is for submersion within water located within the housing. The first electrode may be an anode and the second electrode may be a cathode. The housing may be fabricated from or include glass or a glass body may be provided within the housing. The glass may be a borosilicate glass or heat tempered glass. The housing may be cylindrical or cuiboid. The distance between a lowermost portion of the housing and an uppermost portion of the housing may be at least three times greater than the height of the anode. The anode may be fabricated from a metal such as stainless steel which may have a protective coating. The anode may comprise a mesh, such as an unwelded mesh, for example with a mesh size of 149 to 841 µm. The cathode may be formed of stainless steel coated with a second metal. The surface of the cathode may be patterned or textured. The anode and cathode may be retained away from the walls of the housing. Figure 1
Resumen de: GB2700593A
A process for controlling an ammonia cracking plant comprising a fired ammonia cracking reactor 1, may comprise the steps of: decreasing a flow of ammonia feedstock 11 to the catalyst containing reaction tube inlets, and decreasing the heat output of a fuel combustion zone of the reactor. The obtained cracked gas from the outlet of the reaction tubes may be cooled 2, increased in pressure 3, and heated 4 before recirculating the cracked gas to the inlet of the reaction tubes and passing it through the reaction tubes. An ammonia plant in a turn down state may have operated said process. The process is intended to place the ammonia cracking plant into a turndown state which enables it to rapidly return to normal operation without wasting ammonia feedstock or hydrogen. A process may return the plant from turndown by increasing ammonia feedstock flow and heat output and obtaining cracked gas. Figure 2
Resumen de: EP4699691A1
Provided is a reduction device that can be manufactured inexpensively and easily, has a wide reaction field, can achieve a reduction reaction even with low energy light such as visible light, and has a long catalyst life. The reduction device of the present disclosure includes diamond particles. It is preferable to contain the diamond particles as a diamond particle dispersion liquid. The diamond particles preferably contain nanodiamond particles having a particle size of 1 µm or less. The diamond particles preferably include detonation nanodiamond particles.
Resumen de: EP4699693A1
A semiconductor catalyst is provided, which exhibits an effect of accelerating a reduction reaction by visible light irradiation and is excellent in durability. The semiconductor catalyst of the present disclosure includes thin film containing nitrogen-containing diamond particles in a plane direction and a height direction. The semiconductor catalyst can be produced by, for example, fixing, on a substrate having a positive or negative charge, nitrogen-containing diamond particles having a positive or negative charge, the positive or negative charge of the nitrogen-containing diamond particles being opposite to that of the substrate, and laminating, on the fixed nitrogen-containing diamond particles, nitrogen-containing diamond particles having a positive or negative charge, the positive or negative charge of the laminated nitrogen-containing diamond particles being opposite to that of the fixed nitrogen-containing diamond particles. The step of laminating is performed at least once after the step of fixing.
Resumen de: US20260028730A1
Conventional control schemes for electrolyzers focus on maximizing electrical efficiency, which describes the relationship between the electrical energy consumed and the gas produced by the electrolyzer. However, the cost associated with high electrical efficiency may be unnecessarily expensive. In one embodiment presented herein, a model is used to determine the cost (or profit) associated with a gas produced by the electrolyzer at each of a plurality of operating conditions. The control system can select the operating condition to use based on which operating condition is associated with the lowest cost (or highest profit), even though that operating condition may not be associated with the highest electrical efficiency.
Resumen de: CN120813538A
A process for catalytic cracking of ammonia, the process comprising: supplying an ammonia feed gas to one or more heated catalyst-containing reaction vessels disposed within an ammonia cracking reactor; and cracking ammonia in the ammonia feed gas in the one or more catalyst-containing reaction vessels to produce a hydrogen-containing stream wherein the ammonia feed gas is fed to the or each reaction vessel at a pressure of at least 10 bar wherein the or each reaction vessel is heated to a temperature of at least 500 DEG C, and wherein the or each of the reaction vessels has a wall comprising or consisting of an alloy selected to resist both nitriding and creep deformation without failure at said temperature and pressure over an operating period of at least 1000 hours, 5000 hours, 10,000 hours, 50,000 hours or 100,000 hours.
Resumen de: CN120835863A
A process for catalytic cracking of ammonia, the process comprising: supplying an ammonia feed gas to one or more heated catalyst-containing reaction vessels disposed within an ammonia cracking reactor; and cracking ammonia in the ammonia feed gas in the one or more catalyst-containing reaction vessels to produce a hydrogen-containing stream wherein the reaction vessel or each of the reaction vessels has a wall comprised of at least a first alloy and a second alloy wherein the first alloy is more resistant to nitriding than the second alloy, and the second alloy provides mechanical support for the first alloy, and wherein at least a portion of the wall adjacent the catalyst is comprised of the first alloy.
Resumen de: WO2024218486A1
Oxygen evolution catalyst materials are provided with a pyrochlore-type structure and with (i) calcium and / or sodium as A-site elements of the pyrochlore-type structure; (ii) iridium and / or ruthenium as first B-site elements of the pyrochlore-type structure; (iii) niobium and / or tantalum as second B-site elements of the pyrochlore-type structure; and (iv) a molar ratio of A-site elements: first and second B-site elements is in the range of and including 0.8: 1 to 1:1.
Resumen de: GB2643493A
A method for the production of hydrogen gas comprising (i) providing a DC electrical power supply, (ii) providing a plasma reactor with chamber 105, plasma torch 135 with a plasma cathode extending in to the chamber, a plasma anode extending into the chamber, and first and second spray systems which extend into the chamber, (iii) establishing a DC electric potential between the cathode and anode to generate and sustain a reaction zone about a plasma arc, (iv) providing a spray of hydrogen containing feedstock into the reaction zone from the first spray system whereby a mixture of gases comprising hydrogen gas is formed in the chamber by decomposition of the feedstock, and (v) providing a spray of water into adjacent to the reaction zone from the second spray system, wherein the water spray cools and dilutes the mixture of gases formed in step (iv). A plasma reactor comprising a chamber, plasma torch comprising a plasma cathode extending into the chamber and multi-functional device with plasma anode extending into the chamber, first spray anode with first annual passage surrounding the anode and providing a spray of hydrogen containing feedstock, and a second spray system with second annual passage surrounding the first passage and providing a spray of water.
Resumen de: WO2024218273A1
A method for storing hydrogen in a plurality of subsea storages in a system. The system comprising an electrolyser source (100) for producing hydrogen at a source pressure; a downstream compressor (200) for compressing the hydrogen from the source pressure to a compressed higher pressure; and a plurality of storages (300) each for storing compressed hydrogen at the compressed higher pressure and each being subsea. The method comprising at least the steps of: producing hydrogen (1000) by the electrolyser source (100) at the source pressure; passing the hydrogen (2000) to the plurality of storages (300) through a bypass line (210) around the compressor (200); and storing the hydrogen (3000) in at least one of the plurality of storages (300) at a first pressure below the compressed higher pressure. A system for storing hydrogen in a plurality of subsea storages, the system comprising: an electrolyser source (100) for producing hydrogen at a source pressure; a downstream compressor (200) for compressing the hydrogen from the source pressure to a compressed higher pressure; a plurality of storages (300) each for storing compressed hydrogen at the compressed higher pressure and each being subsea; and a controller (400) for controlling the electrolyser source (100), the downstream compressor (200), and valves (310) to the plurality of storages (300). The controller (400) is configured for controlling the system in, at least, two alternative ways: A) passing the hydrogen, produced by
Nº publicación: EP4700154A1 25/02/2026
Solicitante:
NEW HYDROGEN IP LLC [US]
New Hydrogen IP, LLC
Resumen de: EP4700154A1
An electrolysis system includes an electrolyzer stack and a contamination mitigation system. The electrolyzer stack includes an injection port fluidly connected with a cathode compartment of the electrolyzer stack. The contamination mitigation system is configured to remove ions from the electrolyzer stack to mitigate ion contamination in the electrolyzer stack. The contamination mitigation system includes a storage tank including formic acid therein and an injection line fluidly coupled between the storage tank and the injection port. The injection line is configured to direct the formic acid from the storage tank to the injection port for injection into the cathode compartment of the electrolyzer stack.
BOPI
Sede Electrónica
