Resumen de: JP2025158504A
【課題】 光触媒を用いた水素ガス製造装置1に於いて、水槽2内の圧力をできるだけ精度良く推定できるようにする。【解決手段】 水素ガス製造装置に於いて、水槽内圧力推定手段は、予め調べられた、光源装置4から光触媒体へ光が種々の照射光強度にて照射されたときの水槽内圧力に基づいて決定される現在の照射光強度に於ける水槽内圧力の暫定推定値に、生成ガスの搬送流路に設けられた圧力検知手段12にて検知された圧力の検知値と、その検知値に対応する圧力が水槽内にて発生した時点に於ける照射光強度に於ける水槽内圧力の暫定推定値とに基づいて算出された補正係数を乗じて得られた値を現在の水槽内圧力の現在推定値として決定する。【選択図】 図1
Resumen de: US2025320616A1
A differential pressure electrolysis device is equipped with a resin frame member bonded to a peripheral edge portion of an electrolyte membrane. A first member is interposed between a first separator and the resin frame member, and a second member is interposed between the resin frame member and a second separator. The differential pressure electrolysis device is equipped with a positioning member. The positioning member positions the resin frame member relative to the first member or the second member. However, the positioning member permits the resin frame member to move along a surface direction.
Resumen de: AU2024291100A1
The invention relates to an energy supply system (20) for coupling to a wind turbine (30) used in island mode, wherein the wind turbine (30) is configured to operate an electrolysis system (11) for producing green hydrogen using wind energy, wherein the energy supply system (20) has a solar energy source (21), comprising a photovoltaic module (22) and/or a solar thermal collector (23), which is configured to supply the electrolysis system (21), in particular an enclosure (12) and water-conducting lines of electrolysis units of the electrolysis system (11), with thermal energy in the event of the absence of wind energy. The invention also relates to a corresponding method for supplying solar energy to a wind turbine (30) used in island mode.
Resumen de: CN120092333A
A method of recycling a spent catalyst coated membrane, wherein the spent catalyst coated membrane comprises: a membrane comprising a membrane ionomer; a first catalyst layer disposed on one side of the membrane, the first catalyst layer comprising a first catalyst and a first catalyst layer ionomer; and a second catalyst layer disposed on opposite sides of the membrane, the second catalyst layer comprising a second catalyst and a second catalyst layer ionomer. The method is configured to recover the first catalyst layer ionomer and the second catalyst layer ionomer in addition to the catalyst materials and the membrane ionomer.
Resumen de: WO2025217223A1
Geologic hydrogen production and related systems and methods are generally described.
Resumen de: AU2024236667A1
The present disclosure is directed to a geothermal hydrogen production and compression system, wherein the system comprises an impure water intake to receive water from a impure water source, at least one geothermal well having a well inlet to receive the impure water from the impure water intake in to the geothermal well and one or more well outlets adapted to return heated impure water from the geothermal well, one or more well outlets being adapted to direct the heated impure water from the geothermal well through a steam engine providing a mechanical output, a purification plant comprising one or more purification chambers for separating impurities from the heated impure water expelled from the steam engine to produce at least some fresh water, one or more discharge outlets to discharge one or more products of the purification plant wherein the fresh water is directed to an electrolyser for electrolysis to produce hydrogen gas, where the hydrogen gas is passed through a hydrogen compressor coupled to the mechanical output and pressurised in a storage apparatus.
Resumen de: US2025320616A1
A differential pressure electrolysis device is equipped with a resin frame member bonded to a peripheral edge portion of an electrolyte membrane. A first member is interposed between a first separator and the resin frame member, and a second member is interposed between the resin frame member and a second separator. The differential pressure electrolysis device is equipped with a positioning member. The positioning member positions the resin frame member relative to the first member or the second member. However, the positioning member permits the resin frame member to move along a surface direction.
Resumen de: US2025320618A1
Hydrogen producing devices include: an inner tube with macroscopic holes. The tube has at one end an entrance opening, and at the other end an exit opening. The openings allow entrance of moist a gas and allowing exit of a gas comprising oxygen being produced in the device respectively. An electrode assembly covers the outer surface of the tube. The assembly includes an oxygen producing electrode at the inner side of the assembly, and a hydrogen producing electrode at the outer side of the assembly. The electrodes are separated from each other by a separator, a liquid or solid material with hygroscopic properties.
Resumen de: US2025320614A1
The present disclosure advantageously provides an improved cooling system for an electrochemical plant. The configurations disclosed herein provide advantages and improvements in a cooling system for the electrochemical plant. The cooling system advantageously cools multiple subsystems within the plant using dry coolers, thereby easing maintenance and access to various components within the plant, minimizing or reducing the amount of process piping within the plant used to cool the multiple subsystems, and reducing the complexity of the overall plant.
Resumen de: US2025320613A1
A reactor for producing hydrogen from water by applying a magnetic field and positive and negative electric charges to the water, and by heating the water with a hot gas. The reactor comprises a housing, at least one conduit for supplying water to the housing, at least one magnetic inductor for applying a magnetic field to the water, electrode plates for applying positive and negative charges to the water, and a conduit for supplying a hot gas to the housing. The reactor also includes a conduit for removing the hydrogen from the housing. The hydrogen produced by the reactor may be supplied as at least a portion of the fuel required to power or run generators that provide electric power to substations, dams, or buildings, or engines in vehicles such as cars, trucks, buses, boats, ships, locomotives, motorcycles, airplanes, submarines, golf carts, lawn mowers, and Zambonis.
Resumen de: US2025320612A1
The present disclosure relates to a method of operating a water electrolysis cell that can improve long-term durability even under high current density operating conditions.
Resumen de: WO2025215366A1
PROCESS AND SYSTEM The invention relates to processes and systems for the cracking of ammonia to produce hydrogen and nitrogen. The invention provides a process for controlling an ammonia cracking plant to place the ammonia cracking plant into a turndown state, an ammonia cracking plant in a turndown state, and a process for returning an ammonia cracking plant from a turndown state to a state of normal operation. FIGURE 2 TO ACCOMPANY
Resumen de: WO2025215217A1
A method for the production of one or more of carbon dioxide, carbon monoxide, carbon and hydrogen from a gas comprising carbon dioxide and preferably water, in particular from air, comprising the following steps: in a first step, the gas comprising carbon dioxide is brought into contact with sodium hydroxide, preferably a sodium hydroxide solution, to absorb carbon dioxide and to form sodium carbonate, in particular sodium carbonate with water of crystallization; in a second step, the sodium carbonate is reacted with zinc oxide, in particular with a surplus of zinc oxide, for releasing one or more of carbon dioxide, carbon monoxide and, if water is present, hydrogen. An apparatus for carrying out a method for providing one or more of carbon dioxide, carbon monoxide, carbon and hydrogen from a gas comprising carbon dioxide and preferably water, in particular from atmospheric air, comprising an absorber that is configured for performing the first step and a decomposition unit that is configured for performing the second step.
Resumen de: WO2025215257A1
The invention relates to generating fuel for an internal combustion engine such as a piston engine or a gas turbine. The invention relates to a system, apparatuses and methods for producing hydrogen and for hydrogen fuel enhancement. The invention relates in particular to an electrolyser that comprises an electrolyser housing enclosing an interior space that is adapted for containing a water reservoir. The electrolyser housing comprises a side wall and a top cover and a bottom cover that are tightly connected to the side wall. The electrolyser further comprises a plurality of elongate electrodes that extend from the bottom cover and/or the top cover into the interior space enclosed by the electrolyser housing. The electrodes are electrically isolated from the electrolyser housing and are electrically connected to electric conductors for feeding DC current to the electrodes. The electric connections are configured to connect electrodes acting as cathodes to a negative voltage terminal of a DC electric power source and to connect electrodes acting as anodes to a positive voltage terminal of a DC electric power source.. The invention further relates to a method of producing hydrogen enhanced hydrocarbon fuel comprising the steps of. - producing hydrogen from water by means of an electrolyser - vaporizing hydrocarbon fuel - mixing the hydrogen and the vaporized hydrocarbon fuel - compressing the mixture of hydrogen and the vaporized hydrocarbon fuel, and - ionizing the compressed
Resumen de: WO2025214668A1
A method for producing hydrogen gas from non-purified water via sulphur depolarized electrolysis (SDE), said method comprises the steps of providing at least one electrochemical cell (2), which comprises at least one positive electrode (A) and at least one negative electrode (C), separated by a proton conductive membrane (3), non-purified water supply means (S1) configured to supply non-purified water to the cathode, sulphur dioxide supply means (S2) configured to supply sulphur dioxide to the anode, electrical connecting means (4) configured to connect the anode (A) and the cathode (C) to an external power source (P), supplying non-purified water to the cathode, supplying sulphur dioxide to the anode, applying a voltage of at least 0.45 V and up to 1.37 V to the electrodes (A, C) to cause an electrolysis reaction that produces hydrogen gas at the cathode and sulphuric acid at the anode, removing produced hydrogen gas from the cathode and produced sulphuric acid from the anode.
Resumen de: WO2025214639A1
The invention relates to a gas diffusion layer (5) for an electrolysis cell (1), comprising a fine layer (51) and a coarse layer (52). The fine layer (51) comprises a fine structure with pores of a first pore size, and the coarse layer (52) comprises a coarse structure with pores of a second pore size. The coarse layer (52) comprises a plurality of spiral elements (520), the spiral elements (520) are interwoven, and at least one spiral element (520) is freely movable, in particular freely rotatable, The gas diffusion layer further comprises at least one intermediate layer (53). The at least one intermediate layer (53) comprises an intermediate structure with pores of an intermediate pore size, and the intermediate layer (53) is provided between the fine layer (51) and the coarse layer (52), said intermediate pore size being larger than that of the fine layer (51) and smaller than that of the coarse layer (52).
Resumen de: JP2025157938A
【課題】触媒活性及び耐久性に優れたアノード触媒を提供する。【解決手段】組成式:Ru1-xTaxOy(式中、x、yは、0.3≦x≦0.7、1.8+0.45x≦y≦2.2+0.55xを満たす)で表され、X線回折パターンにおける(110)面の回折ピークの半値幅が0.7°超である複合酸化物を含むことを特徴とするアノード触媒である。【選択図】なし
Resumen de: WO2025217599A1
A method can include performing a series of reactions in a closed cycle, the series of reactions consisting of a hydrolysis reaction where a redox reagent is oxidized to a corresponding oxidized redox reagent with water contemporaneously with the production of hydrogen; and a reduction reaction where the oxidized redox reagent is reduced to the redox reagent using a sulfurous reactant contemporaneously with production of sulfur dioxide.
Resumen de: WO2025217322A1
Various aspects of this disclosure relate to large-scale commercial systems and methods of thermochemical processes to produce green hydrogen or syngas from one or more of a hydrocarbon, H2O, and CO2 via a thermochemical gas splitting reactor system. In some embodiments, the systems and methods include a standalone thermochemical reactor that bypasses the requirement for direct concentrated solar radiation as the source of process heat. In some embodiments, the systems and methods include a well-insulated, refractory-lined steel pressure vessel, in which process gases heated indirectly via radiation can be delivered to facilitate the desired thermochemical reactions in a fluidized bed configuration.
Resumen de: WO2025217582A1
Embodiments of the present disclosure provide for a processing system and methods for carbon capture and emissions reduction associated with industrial processes. The processing system includes an electrolysis plant, a first kiln, a second kiln, and a carbon capture system. The electrolysis plant configured to generate oxygen and hydrogen from a first amount of water. The first kiln is configured to receive the oxygen generated by the electrolysis plant and to produce a second amount of water, a commercial product, and flue gas via an oxy-combustion reaction. The second kiln is configured to receive the hydrogen generated by the electrolysis plant and to produce a third amount of water, the commercial product, and an exhaust gas via a combustion reaction. The carbon capture system is configured to receive flue gas from the first kiln.
Resumen de: WO2025216105A1
Provided is a stainless steel material for solid oxide water electrolysis, which contains, on a mass basis, 0.030% or less of C, 1.6% to 3.5% of Si, 0.10% to 1.00% of Mn, 0.050% or less of P, 0.0030% or less of S, 16.0% to 21.0% of Cr, 1.00% or less of Al, 0.030% or less of N, 1.00% or less of Nb, 1.00% or less of Ti, 1.00% or less of Ni, and 1.00% or less of Cu, with the balance being made up of Fe and impurities.
Resumen de: US2025320803A1
This disclosure describes systems and methods for using electrical stimulation of a rock formation (e.g., a subterranean formation, a subterranean reservoir) to improve, or otherwise enhance, the energy storage capabilities of the rock formation. Many existing rock formations are too impermeable to facilitate energy storage; however, the Inventors have recognized and appreciated that a “geobattery” may be constructed by using electrical stimulation to increase the permeability of a rock formation (e.g., a subterranean formation) such that water (or some other fluid) can be pumped into the rock formation, in particular, a reservoir within the rock formation, and converted into hydrogen to store the energy within the hydrogen.
Resumen de: US2025320615A1
A gas management system includes an anodic chamber, a cathodic chamber, and a membrane assembly configured to remove bubbles from an electrochemical cell to increase hydrogen generation of the electrochemical cell. The membrane assembly includes a first outer layer arranged between the cathodic chamber and the anodic chamber, a second outer layer arranged between the first outer layer and the cathodic chamber, and a spacer layer arranged between the first outer layer and the second outer layer.
Resumen de: DE102024110281A1
Verfahren zur Herstellung von einem oder mehreren von Kohlendioxid, Kohlenmonoxid, Kohlenstoff und Wasserstoff aus einem Kohlendioxid und vorzugsweise Wasser umfassenden Gas, insbesondere aus Luft, umfassend die folgenden Schritte: in einem ersten Schritt wird das Kohlendioxid umfassende Gas mit Natriumhydroxid, vorzugsweise einer Natriumhydroxidlösung, in Kontakt gebracht, um Kohlendioxid zu absorbieren und um Natriumcarbonat, insbesondere Natriumcarbonat mit Kristallwasser, zu bilden; in einem zweiten Schritt wird das Natriumcarbonat mit Zinkoxid, insbesondere mit einem Überschuss an Zinkoxid, umgesetzt, um eines oder mehrere von Kohlendioxid, Kohlenmonoxid und, falls Wasser vorhanden ist, Wasserstoff freizusetzen. Vorrichtung zum Durchführen eines Verfahrens zum Bereitstellen von einem oder mehreren von Kohlendioxid, Kohlenmonoxid, Kohlenstoff und Wasserstoff aus einem Kohlendioxid und vorzugsweise Wasser umfassenden Gas, insbesondere aus atmosphärischer Luft, umfassend einen Absorber, der zum Durchführen des ersten Schritts konfiguriert ist, und eine Zersetzungseinheit, die zum Durchführen des zweiten Schritts konfiguriert ist.
Nº publicación: US2025320419A1 16/10/2025
Solicitante:
INTEGRATED ENERGY LLC [US]
Integrated Energy LLC
Resumen de: US2025320419A1
Systems and methods for producing green hydrogen from a source material (e.g., biowaste) are contemplated. The source material is at least partially dehydrated to produce a dried intermediate and recovered water. The dried intermediate is pyrolyzed to produce syngas and a char. The recovered water is electrolyzed to produce oxygen and green hydrogen.