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976
resultados
Última actualización
04/03/2026 [07:11:00]
Resultados 275 a 300 de 976
Resumen de: US20260035817A1
This control device for a hydrogen production apparatus is intended to be used for a hydrogen production apparatus including an electrolyzer for electrolyzing water and a rectifier for supplying a direct-current electric power to the electrolyzer, the control device being provided with: a voltage control unit which is configured so as to adjust an output voltage output from the rectifier to the electrolyzer in such a manner that the output voltage of the rectifier is coincident with a set voltage; and a voltage set unit which is configured so as to set the set voltage to a first voltage that is larger than a rated voltage for the electrolyzer in at least a portion of the period during the start-up of the hydrogen production apparatus.
Resumen de: US20260035241A1
The present invention relates to a method and device for producing hydrogen by dissociating the water molecule through thermochemical reactions, using a small amount of active material. The thermochemical reactions are induced by solar energy with a moderate concentration of up to 50 suns, which can be achieved through linear or parabolic concentrators.
Resumen de: US20260035240A1
Disclosed is a catalyst suitable for the catalytic oxidative cracking of a H2S-containing gas stream. The catalyst comprises at least one or more active metals selected from the group consisting of iron, cobalt, and nickel, supported by a carrier comprising ceria and alumina. The active metal is preferably in the form of its sulphide. Also disclosed is a method for the production of hydrogen from a H2S-containing gas stream, comprising subjecting the gas stream to catalytic oxidative cracking so as to form H2 and S2, using a catalyst in accordance with any one of the composition claims.
Resumen de: US20260035242A1
A hydrogen generation system with controlled water distribution is disclosed. The system comprises a reaction chamber containing a hydrogen-producing fuel, a liquid distribution mechanism, and a control system. The liquid distribution mechanism includes a rotating arm with liquid injection ports that move vertically through the fuel chamber. This allows for precise and efficient liquid delivery to unreacted fuel, optimizing hydrogen production. A proprietary fuel blend utilizes chemicals that store significant amounts of hydrogen in a solid-state form. A feature of the device is the arm's controlled vertical movement, achieved through a screw mechanism that adjusts the arm's height as it rotates, creating a spiral liquid distribution pattern. The control system regulates liquid injection rates, arm rotation speed, and vertical movement to optimize hydrogen production based on demand. The system can also operate at low pressures and be scaled to different sizes in a safer, more efficient, on-demand manner.
Resumen de: JP2026018134A
【課題】水素とホウ素からホウ化水素とそのシートを比較的簡単な方法で生成する製造方法を開発する。【解決手段】ホウ素微粒子２１と、大気圧プラズマ発生装置２７と、水素を含む作動気体を主たる要素とし、前記大気圧プラズマ発生装置２７の前記作動気体として少なくとも水素を大気圧プラズマ発生装置２７に供給し、大気圧プラズマを前記ホウ素微粒子２１に照射することにより、ホウ化水素７とそのシートであるホウ化水素シート８を生成することを特徴とするホウ化水素とそのシートの製造方法である。また、好ましくは、前記作動気体にホウ素微粒子を加えることが望ましい。更に好ましくは、前記容器内に撹拌機と皿を加え、前記皿内に入れた前記ホウ素微粒子に前記大気圧プラズマを照射するように配置することが望ましい。【選択図】図２
Resumen de: JP2026017689A
【課題】各水電解装置の特性劣化を効果的に抑制する。【解決手段】制御システム５０は、複数の水電解装置を含む水電解システムを制御する。制御システム５０は、水電解システムにより使用されるべき電力を示す電力指令値が電力閾値を超過することを含む第１条件と、電力指令値の変化量が変化閾値を超過することを含む第２条件との少なくとも一方の成否に応じて、複数の水電解装置の各々の稼働または停止を決定する動作決定部６１と、電力指令値と動作決定部６１による決定結果とに応じて複数の水電解装置の各々に対する個別指令値を設定する指令値設定部６２とを具備する。【選択図】図７
Resumen de: WO2026023164A1
This purification plant comprises: a temperature swing adsorption (TSA) tower in which unreacted ammonia is adsorbed to an adsorbent and removed from a decomposition gas and from which a resulting treated gas is discharged; a gas-purifying device that separately discharges product gas refined from the treated gas and off-gas; an off-gas heating device that heats the off-gas and supplies same to the TSA tower as regeneration gas for regenerating the adsorbent in the TSA tower; a combustion device that supplies, as a heat source for the off-gas heating device, a portion of a combustion gas resulting from combusting the regeneration gas discharged from the TSA tower; an off-gas flow path that circulates the off-gas through the combustion device; and a combustion-gas flow path that circulates the combustion gas through the off-gas heating device.
Resumen de: WO2026028790A1
Disclosed is a diaphragm for alkaline water electrolysis, which separates an anode chamber and a cathode chamber of an alkaline water electrolysis cell. This diaphragm for alkaline water electrolysis is provided with a polymer porous film which integrally has a sealing region that is sandwiched by cell constituent members in the alkaline water electrolysis cell, an edge region that is disposed on the outer peripheral side of the sealing region, and a separator region that is disposed on the inner peripheral side of the sealing region. The sealing region has a shape surrounding the separator region, and has a bulk part for preventing permeation of an electrolyte solution through the pores of the polymer porous film.
Resumen de: WO2026028789A1
This diaphragm for alkaline water electrolysis separates an anode chamber in which an anode of an alkaline water electrolysis tank is disposed and a cathode chamber in which a cathode is disposed, the diaphragm for alkaline water electrolysis comprising a polymer porous membrane integrally having a seal region, which is sandwiched by a tank-constituting member in the alkaline water electrolysis tank, and a separator region, which is disposed on the inner-peripheral side of the seal region. The separator region has an inter-electrode region that is smaller than the separator region and is sandwiched between the anode and the cathode, and a non-restraint region present between the seal region and the inter-electrode region. The polymer porous membrane has a frame-shaped bulk part that extends across the seal region, the non-restraint region, and the inter-electrode region.
Resumen de: TW202511178A
To provide: an ammonia-hydrogen mixed fuel production apparatus capable of stably obtaining hydrogen from ammonia even when there is a change in the required ratio of fuel; and a fuel supply system. An ammonia-hydrogen mixed fuel production apparatus 1010A comprises: an oxygen separation device 13 that separates oxygen (O2) 12 at a desired concentration from air 11; a reforming reactor 15 that converts ammonia (NH3) supplied from a raw material supply unit 14 into hydrogen (H2) by using the oxygen having the desired concentration from the oxygen separation device 13; and a gas component analyzer 17 that measures the concentration of one or both of hydrogen and ammonia in a reformed gas 16 from the reforming reactor 15.
Resumen de: AU2024308720A1
The disclosure provides a method of producing hydrogen. The method comprises conducting a thermochemical reaction by contacting an active reagent and a basic aqueous solution, to thereby cause water from the basic aqueous solution to react with the active reagent and to produce hydrogen and a basic aqueous solution comprising an oxidised product. The method further comprises disposing the basic aqueous solution comprising the oxidised product in an electrochemical cell comprising an anode and a cathode, such that at least a portion of the cathode contacts the solution; and conducting an electrochemical reaction by applying a voltage across the anode and the cathode to produce hydrogen, oxygen and the active reagent. The active reagent comprises a metal or metal ion in a first oxidation state and the oxidised product comprises the metal or metal ion in a second oxidation state which is higher than the first oxidation state.
Resumen de: WO2026028988A1
This ion exchange membrane has a short side and a long side of 80 m or more. A membrane thickness deviation rate A, ion exchange capacity deviation rate B, and ion exchange group residual ratio C, which are calculated by a predetermined method, are within a specific numerical range.
Resumen de: US20260035321A1
A process of hydrogenating an unsaturated hydrocarbon is disclosed. The process comprises passing a hydrocarbon feed stream comprising toluene to a hydrogenation reactor. A hydrogen stream is passed to the hydrogenation reactor. In the hydrogenation reactor, the hydrocarbon feed stream is hydrogenated in the presence of hydrogen and a hydrogenation catalyst to produce a hydrogenated effluent stream comprising methylcyclohexane. The hydrogenated effluent stream is indirectly contacted with a water stream to produce a steam stream. The steam stream is taken from the hydrogenation reactor. In an electrolyzer, hydrogen is separated from the steam stream to produce the hydrogen stream which is passed to the hydrogenation reactor.
Resumen de: US20260039120A1
The invention relates to a method for operating a renewable power plant (100) comprising at least one wind turbine (101) and an electrolyzer system (110), the renewable power plant is connectable with a grid (190) via a circuit breaker (123) located at a point of common coupling (PCC), wherein the renewable power plant comprises an internal grid (191) connecting the at least one wind turbine and the electrolyzer system with the point of common coupling, wherein the method comprises detecting a low voltage at any of the at least one wind turbine, and electrically disconnecting the electrolyzer system from the internal grid in response to detecting the low voltage.
Resumen de: US20260035819A1
An electrolysis system includes an electrolyzer cell stack, a water tank, and a hydrogen management system. The electrolyzer cell stack uses water and electricity to produce a hydrogen product gas and an oxygen product gas including crossover hydrogen gas. The water tank is configured to receive a hydrogen tank stream including water and dissolved hydrogen gas and an oxygen tank stream including water and dissolved oxygen gas. In the water tank, the dissolved hydrogen gas and the dissolved oxygen gas exsolve from the water to form a gas mixture. The hydrogen management system is configured to control a concentration of the crossover hydrogen gas in at least a portion of the oxygen product gas to form a diluent for introduction into the water tank to decrease a hydrogen gas concentration in the gas mixture of the water tank.
Resumen de: AU2024291792A1
The disclosure concerns a process of carbon oxides-free hydrogen production is disclosed. The process comprises the following steps: - heating a gas stream of a reacting compound including hydrogen atoms in absence of oxidizing agents, to thermally decompose the reacting compound into smaller product compounds, including hydrogen molecules, obtaining a stream of decomposition product compounds; - separating hydrogen molecules from other product compounds of the stream of decomposition product compounds; - reacting a portion of the stream of separated hydrogen molecules with a stream of an oxidizing agent, in particular oxygen or air, to obtain combustion product compounds, including steam and heat, in a stream of combustion product compounds; - providing heat obtained in the previous step to the step of heating the reacting compound; and wherein the process can comprise a step of - recovering energy from the stream of decomposition product compounds and/or from the stream of combustion product compounds. Additionally, a system of hydrogen production is also disclosed, the system being configured to operate according to the above process.
Resumen de: AU2024291778A1
A method of synthesizing aluminum oxide includes reacting a gallium and aluminum composite in a hydrogen evolution reaction with water to form an aluminum byproduct having at least one of aluminum hydroxide or aluminum oxyhydroxide. The method also includes removing the aluminum byproduct and calcinating the aluminum byproduct to form aluminum oxide.
Resumen de: AU2025277771A1
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: WO2026029709A1
The present disclosure broadly relates to a method of preparing a supported high-entropy oxide nanostructure The method may comprise the step of: irradiating, with a laser, a substrate coated with a hydrogel to form the high-entropy oxide nanostructure, wherein the hydrogel comprises at least five metal salts, a cross-linking agent, a carbonaceous substance and water to form a high-entropy oxide nanostructure. There is also disclosed herein a high- entropy oxide nanostructure produced by the method as well as the use of the high-entropy oxide nanostructure for forming hydrogen.
Resumen de: WO2026028848A1
In a hydrogen boiler (3), hydrogen gas and oxygen gas supplied from a water electrolysis device (2), which generates the hydrogen gas and the oxygen gas by electrolyzing water, are combusted in a combustion chamber of the hydrogen boiler (3), and a water pipe of the hydrogen boiler (3) is heated, thus generating water vapor.
Resumen de: WO2026030458A1
A process of hydrogenating an unsaturated hydrocarbon is disclosed. The process comprises passing a hydrocarbon feed stream comprising toluene to a hydrogenation reactor. A hydrogen stream is passed to the hydrogenation reactor. In the hydrogenation reactor, the hydrocarbon feed stream is hydrogenated in the presence of hydrogen and a hydrogenation catalyst to produce a hydrogenated effluent stream comprising methylcyclohexane. The hydrogenated effluent stream is indirectly contacted with a water stream to produce a steam stream. The steam stream is taken from the hydrogenation reactor. In an electrolyzer, hydrogen is separated from the steam stream to produce the hydrogen stream which is passed to the hydrogenation reactor.
Resumen de: WO2026029047A1
A method for promoting a formic acid synthesis reaction according to the present invention involves reacting carbon dioxide with hydrogen in an ionic liquid, wherein a substituent in a cation of the ionic liquid is at least an amino group or a carboxyl group.
Resumen de: EP4686773A1
A frame assembly (Fr.Ass) comprising a frame (TF) configured to be integrated in a stack of frames of an electrolyzer, the frame comprising a central opening (CentOp), a first through opening (In<sub>2</sub>, Out<sub>2</sub>), a top surface (Top) and a bottom surface (Bot) opposed to the top surface (Top), the frame further comprising an open channel (OpCh) on the bottom surface (Bot), the frame assembly comprising a bipolar plate (BP) formed from a polymer material, the bipolar plate being arranged so as to seal the open channel (OpChan), the bipolar plate being welded to the frame (TF).
Resumen de: EP4686774A1
A frame assembly (Fr.Ass) comprising a frame (TF) configured to be integrated in a stack of frames of an electrolyzer, the frame comprising a central opening (CentOp), a first through opening (In<sub>2</sub> , Out<sub>2</sub> ), a top surface (Top) and a bottom surface (Bot) opposed to the top surface (Top), the frame further comprising an open channel (OpCh) on the bottom surface (Bot), the frame assembly comprising a bipolar plate (BP) formed from a polymer material, the bipolar plate being arranged so as to seal the open channel (OpChan), the bipolar plate being welded to the frame (TF).
Nº publicación: ES3054611A2 04/02/2026
Solicitante:
TOKUYAMA CORP [JP]
TOKUYAMA CORPORATION
Resumen de: TW202503114A
Provided are a gas production method and a gas production apparatus that are capable of preventing the composition of generated gas in a gas phase part of each circulation tank from reaching a flammability limit to reduce a bad effect of a remaining dissolved gas in electrolyte on gas purity even when an electrolyte exchange is carried out between an anode side circulation tank and a cathode side circulation tank. In the gas production method of producing oxygen gas and hydrogen gas by electrolyzing electrolyte which is alkaline water by means of an electrolysis vessel, the electrolyte is depressurized when an electrolyte on the anode side and an electrolyte on the cathode side are exchanged.
BOPI
Sede Electrónica
