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536
resultados
Última actualización
14/12/2025 [06:59:00]
Resultados 25 a 50 de 536
Resumen de: US2025361626A1
An electrolysis device includes a water electrolysis stack configured to electrolyze water, a gas-liquid separator configured to separate hydrogen gas from water discharged from the water electrolysis stack, and a hydrogen compression stack configured to compress the hydrogen gas separated by the gas-liquid separator. The gas-liquid separator includes a storage tank configured to store water, and a maximum storage water level that is a maximum value of a water level that can be allowed in the storage tank is predetermined, and the hydrogen compression stack is located above the maximum storage water level.
Resumen de: WO2025249273A1
Provided is a method for controlling a water electrolysis system with which operation states of a plurality of electrolysis stacks can be independently regulated highly responsively and highly efficiently. This method is for controlling a water electrolysis system which comprises: electrolysis stacks where water is electrolyzed to produce hydrogen and oxygen; a pure water feeder for feeding pure water to the electrolysis stacks; a first regulation part and a second regulation part, which are disposed between each electrolysis stack and the pure water feeder and are capable of regulating the operation state of the electrolysis stack; and an operation state regulation control unit which regulates the first regulation part and the second regulation part to regulate the operation states of the electrolysis stacks. The operation state regulation control unit, after receiving a command to change the operation state of an electrolysis stack, operates the first regulation part on the basis of the operation state and, when a predetermined requirement has been satisfied, operates the second regulation part simultaneously with the first regulation part on the basis of the operation state.
Resumen de: TW202428942A
There is provided a cathode chamber assembly, which may not require any skill for assembling, and which may not cause any problems such as formation of an undesirable space in the peripheral portion of the cathode chamber. The cathode can be easily replaced when it deteriorates. The cathode is attached detachably to ribs formed on the bulkhead, directly or indirectly with a plurality of fastening screws or fastening pins, and further or alternatively, a peripheral flange of a rectangular flame shape extending along the inner surface peripheral portion of the bulkhead is disposed. In the embodiment, the cathode may be attached by bonding one surface of a rectangular gasket to the inner surface of the peripheral flange, and by adhering an adhesive tape across the inner peripheral portion of the other surface of the gasket and the outer peripheral portion of the exposed surface of the cathode.
Resumen de: JP2025176907A
【課題】電解スタックの状態を簡便に診断できるようにする。【解決手段】原料化合物の電気分解により所望のガスを生成する電解スタック１０と、電解スタック１０に電圧を印加する電力変換装置６と、電解スタック１０に印加された電圧を計測する電圧センサ７と、電解スタック１０に電圧を印加した際に電圧センサ７が取得する電圧の時系列データを用いて、電解スタックの静電容量成分で規定される指標を算出し、算出した指標の値を基準値と比較して電解スタックの状態を診断する診断装置２０と、診断装置が診断した結果を外部に出力または表示する出力装置３０と、を備える。【選択図】図１
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: AU2024224224A1
In a gas pressure balance method in an electrolyser system a predefined pressure difference between pressures in an oxygen gas separation tank and a hydrogen gas separation tank is maintained by controlled release of gases through an oxygen back pressure valve and a hydrogen back pressure valve. in a first step, for each of the oxygen back pressure valves and the hydrogen back pressure valves, a predefined, calibrated pilot gas pressure is generated and in a second step, the predefined, calibrated pilot gas pressures are forwarded to the respective back pressure valves and in a third step, hydrogen and oxygen gasses are released whenever the gas pressures in the hydrogen and oxygen separation tanks exceeds the predefined, calibrated pilot pressure in the respective pilot gas streams.
Resumen de: WO2025247582A1
The invention relates to a method and a facility (100) for producing a hydrogen-containing product, wherein ammonia (1) is subjected to a pretreatment (10) so as to obtain an ammonia feed (2), and the ammonia feed (2) is converted into a cracked gas (3), containing ammonia, hydrogen, and nitrogen, in a heated ammonia cracker (20), a sulfur-free fuel gas being burned so as to form a water-containing flue gas (4a) in order to heat the ammonia cracker (20). The invention is characterized in that at least part of the water-containing flue gas is cooled to below the dew point during the pretreatment (10) of ammonia, condensed water and heated ammonia being obtained.
Resumen de: WO2025248230A1
A membrane-electrode assembly for a water electrolyser is provided. The membrane-electrode assembly comprises a polymer electrolyte membrane with a first major surface and a second major surface, and an anode component in contact with the first major surface of the polymer electrolyte membrane. The anode component comprises (i) a porous framework of polymer fibres at least partially coated with a metal-containing thin film; and (ii) an oxygen evolution reaction (OER) catalyst supported on the porous framework of polymer fibres.
Resumen de: WO2025247962A1
The present invention relates to a water-efficient method of storing hydrogen using a bicarbonate/formate-based aqueous reaction system, wherein the method comprises: (A) reducing aqueous bicarbonate using hydrogen to form formate and water, (B) at least partially separating water from the aqueous reaction system to provide water and concentrated salt components comprising formate, and (C) using the water provided in step (B) to form hydrogen for use in step (A) and/or to dissolve concentrated salt components comprising bicarbonate to provide aqueous bicarbonate for use in step (A).
Resumen de: WO2025248075A1
Embodiments for an apparatus for producing hydrogen peroxide are provided. The apparatus includes a heat exchanger configured to remove heat from deionized water prior to passing the deionized water through the anode passage of one or more cells. The apparatus is also configured to oxidize the deionized water in the anode passage of the one or more cells. The apparatus also includes a controller configured to control the heat exchanger and a first one or more temperature sensors electrically coupled to the controller. The first one or more temperature sensors are configured to provide a first temperature reading based on a temperature of the one or more cells, wherein the controller is configured to control the heat exchanger to maintain the first temperature reading at or below a first temperature threshold.
Resumen de: WO2025250426A1
Olefinic products may be produced from various sources. For example, methods of production of olefinic products from carbon dioxide may include: performing an electrolysis reaction of water to form hydrogen and oxygen; providing at least a portion of the hydrogen and carbon dioxide to a methanation unit; reacting the hydrogen and the carbon dioxide via a methanation reaction in the methanation unit to produce methane and water; providing at least a portion of the methane and at least a portion of the oxygen to an oxidative coupling unit; and reacting the methane and the oxygen via an oxidative coupling reaction in the oxidative coupling unit to produce an olefinic product, water, and optionally, additional carbon dioxide.
Resumen de: WO2025250529A1
Systems and methods for generating hydrogen by electrolysis of water using electricity produced using a vortex generator that results in cavitation and implosion processes in a vortex. The vortex generator can produce conditions within the vortex generator that can allow deuterium molecules naturally occurring in water to acquire sufficient kinetic energy to overcome the Coulomb barrier so that their nuclei can get close enough to each other to undergo various nuclear reactions, discharging a large amount of nuclear energy at the microstate, imparting energy to the water, which can be used to drive a turbine to generate electricity, and the resulting electricity can be used at least in part for the electrolysis of water.
Resumen de: AU2024296183A1
The invention provides a device for producing hydrogen gas and a process therefor. It also provides a system for generating electrical energy from hydrogen gas. More particularly, the invention provides a device for producing hydrogen comprising an ammonia cracker having one or more raw cracked gas outlets in fluid communication with a common raw cracked gas flow conduit, one or more gas separators in fluid communication with the ammonia cracker via the common raw cracked gas flow conduit, and in fluid communication with a common partially purified cracked gas flow conduit; one or more filter assemblies, each having a first container having one or more walls, one or more partially purified cracked gas inlets and one or more purified cracked gas outlets, wherein the one or more partially purified cracked gas inlets are in fluid communication with the one or more gas separators via the common partially purified cracked gas flow conduit, the first container containing a single mass of adsorbent comprising silica gel, wherein the one or more partially purified cracked gas inlets and one or more purified cracked gas outlets are arranged such that a partially purified cracked gas flows through the single mass of adsorbent in use.
Resumen de: AU2025200173A1
A water electrolysis cell according to an embodiment includes: an anode electrode including an anode catalyst layer in which anode catalyst sheets are stacked via a gap, each anode catalyst sheet containing iridium oxide and being in the form of a nanosheet; a cathode electrode including a cathode catalyst layer in which cathode catalyst sheets are stacked via a gap, each cathode catalyst sheet containing platinum and being in the form of a nanosheet; and an electrolyte membrane containing a hydrocarbon-based material, placed between the anode electrode and the cathode electrode. A water electrolysis cell according to an embodiment includes: an anode electrode including an anode catalyst layer in 5 which anode catalyst sheets are stacked via a gap, each anode catalyst sheet containing iridium oxide and being in the form of a nanosheet; a cathode electrode including a cathode catalyst layer in which cathode catalyst sheets are stacked via a gap, each cathode catalyst sheet containing platinum and being in the form 10 of a nanosheet; and an electrolyte membrane containing a hydrocarbon-based material, placed between the anode electrode and the cathode electrode. an a n a n d t h e c a t h o d e e l e c t r o d e 36a 36b 36a34a 34b 34a 3／33/3 35 34 36 37 36a 34a 36b 34b 34a 36a an a n b b a a
Resumen de: AU2024296614A1
A hydrogen production device for producing a hydrogen rich gas from ammonia comprising a first chamber comprising an inner wall and an outer wall defining an internal volume, wherein the first chamber contains an ammonia decomposition catalyst disposed between the inner wall and the outer wall, the first chamber having one or more ammonia gas inlets and one or more raw cracked gas outlets, wherein said one or more ammonia gas inlets and one or more raw cracked gas outlets are arranged such that the ammonia flows through the first chamber from the one or more ammonia gas inlets to the one or more raw cracked gas outlets and contacts the ammonia decomposition catalyst; and one or more heat sources for heating the ammonia decomposition catalyst; wherein the first chamber has one or more fins, said one or more fins disposed between the inner wall and the outer wall of the first chamber, wherein the first chamber has an internal surface area, wherein the internal volume is between 10 ml and 100 litres and wherein the ratio of the internal surface area in mm2 to the internal volume in mm3 is between approximately 1:2 and 1:6.
Resumen de: AU2025203497A1
A system and a method for stabilizing hydrogen flow to a downstream process in a facility determining a hydrogen density and pressure profiles in the hydrogen storage unit 5 for different target net hydrogen flows at different time intervals of a time horizon of a renewable power availability profile, determining an operating target net hydrogen flow of a hydrogen feed to the downstream process, determining a target direct hydrogen flow of a hydrogen feed and a target stored hydrogen flow of a hydrogen feed to the downstream process, and controlling the operation of the downstream process based on the operating 10 target hydrogen flows. A system and a method for stabilizing hydrogen flow to a downstream process in a 5 facility determining a hydrogen density and pressure profiles in the hydrogen storage unit for different target net hydrogen flows at different time intervals of a time horizon of a renewable power availability profile, determining an operating target net hydrogen flow of a hydrogen feed to the downstream process, determining a target direct hydrogen flow of a hydrogen feed and a target stored hydrogen flow of a hydrogen feed to the downstream 10 process, and controlling the operation of the downstream process based on the operating target hydrogen flows. ay a y
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.
Resumen de: WO2025246138A1
A water electrolysis membrane electrode, and a preparation method therefor and a water electrolyser applying same. The water electrolysis membrane electrode comprises a cathode gas diffusion layer, a cathode catalytic layer, an anion exchange membrane, a hydrophobic anode catalytic layer and an anode gas diffusion layer. Raw materials for preparing the hydrophobic anode catalytic layer comprise an anode catalyst, a hydrophobic material and an anode ionomer, wherein calculated by mass, the ratio of the anode catalyst: the hydrophobic material: the anode ionomer is 10:1-3:1-3. The porosity of the hydrophobic anode catalytic layer is 10-40%.
Resumen de: WO2025246031A1
A metal oxide nanotube array structure catalyst, and a preparation method therefor and a use thereof. The preparation method comprises the following steps: cleaning and polishing a metal sheet; immersing the polished metal sheet as an anode in an electrolyte solution to construct an electrochemical system and carrying out an anodic oxidation reaction to obtain a microporous template having a nanotube structure; immersing the microporous template into a metal salt sol for impregnation; taking out the impregnated microporous template, rinsing the surface of the impregnated microporous template with deionized water, then drying the impregnated microporous template, and calcining the impregnated microporous template at a high temperature to convert the metal salt sol into a metal oxide; and dissolving the microporous template with a dissolution solution to obtain the metal oxide nanotube array structure catalyst.
Resumen de: WO2025246212A1
Disclosed in the present invention is an active water molecule electrolysis apparatus in a limited space, comprising a housing having an airflow channel, wherein a membrane electrode assembly is disposed in the housing; the membrane electrode assembly divides the airflow channel into an air inlet end and an exhaust end, the air inlet end being provided with a continuous unidirectional moisture-permeable coating membrane, and the exhaust end being provided with an ePTFE microporous breathable protective membrane; and the housing is provided with an oxygen discharge channel that communicates the air inlet end with the outside. A device, comprising the active water molecule electrolysis apparatus, the internal space of the device being in communication with the air inlet end of the active water molecule electrolysis apparatus. In this way, the active water molecule electrolysis apparatus in a limited space and the device of the present invention utilize the difference in moisture permeability between the ePTFE microporous breathable protective membrane and the continuous unidirectional moisture-permeable coating membrane to realize continuous unidirectional discharge of water vapor from the inside to the outside environment, thereby effectively improving the efficiency of electrolytic dehumidification.
Resumen de: WO2025246521A1
The present application provides a coupling device for hydrogen gas production and carbon dioxide utilization. The device comprises a spiral heat exchanger, a carbon dioxide collector, a steam generator, and an electrolytic cell, wherein the spiral heat exchanger inputs steam into the steam generator through a first pipe, the steam generator generates electric energy from the steam, the electric energy is transmitted to the electrolytic cell through a cable, and the steam is input into the electrolytic cell through a fourth pipe; the carbon dioxide collector is configured to collect carbon dioxide from flue gas produced by combustion and input the collected carbon dioxide into the spiral heat exchanger through a third pipe; the electrolytic cell is configured to produce hydrogen gas from the steam and the electric energy, and the produced hydrogen gas is introduced into the spiral heat exchanger through a second pipe; and the spiral heat exchanger is configured to promote a chemical reaction between the carbon dioxide and the hydrogen gas, and output a target compound.
Resumen de: WO2025249562A1
A water electrolysis device (5) is provided with gaskets (10). The gaskets (10) are configured to be used in a state where, with respect to one of the gaskets (10), another one of the gaskets (10) is reversed and overlayed. The gaskets (10) seal, in a cell (100), a space (S1) between a separator (101) and an electrolyte membrane (104) of a membrane assembly (103), and a space (S2) between a separator (102) and the electrolyte membrane (104). The gaskets (10) each have: a seal lateral surface (11) and a contact lateral surface (12) which form a pair; a first seal part (3) for sealing the space (S1) or the space (S2); and a second seal part (4) for sealing, on the outer peripheral side of the electrolyte membrane (104), a plurality of flow paths (2) between the separators (101, 102). The first seal part (3) is formed on the seal lateral surface (11) and the contact lateral surface (12), and the second seal part (4) is formed on the seal lateral surface (11) and the contact lateral surface (12).
Resumen de: US2025361635A1
A control device for an electrolysis system includes a deterioration prediction unit that predicts a degree of deterioration of each of a water electrolysis stack and a compression stack, and a supplied electrical current control unit that controls an electrical current that is supplied to the water electrolysis stack and an electrical current that is supplied to the compression stack, wherein the supplied electrical current control unit controls the electrical current that is supplied to the stack having a larger degree of deterioration from among the water electrolysis stack and the compression stack to be constant, and adaptively controls the electrical current that is supplied to the stack having a smaller degree of deterioration from among the water electrolysis stack and the compression stack.
Resumen de: JP2025176442A
【課題】本発明は、水素を高収率及び高生成量で生成し得る手段を提供する。【解決手段】本発明の一態様は、粉体の形態の水素化マグネシウム及び粉体の形態のクエン酸を含み、水素化マグネシウムに対するクエン酸の質量比が2.5から3.5の範囲であり、加圧成型物の形態である、水素生成組成物に関する。本発明の別の一態様は、水素生成組成物の製造方法及び水素の生成方法に関する。【選択図】なし
Nº publicación: US2025373010A1 04/12/2025
Solicitante:
SIEMENS ENERGY GLOBAL GMBH & CO KG [DE]
Siemens Energy Global GmbH & Co. KG
Resumen de: US2025373010A1
A system combination having at least two electrolysis systems, a power supply source having a direct voltage output, and a central supply line is provided. The central supply line is connected to the direct voltage output of the power supply source, so that a direct current can be fed into the central supply line and a central DC network designed for high voltage is provided, to which DC network the electrolysis systems are connected by means of the central supply line. The power supply source has, as a power generator, a wind turbine, to which a rectifier having a direct voltage output is connected, the direct voltage output being designed for the high voltage.
BOPI
Sede Electrónica
