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1035
resultados
Última actualización
25/06/2026 [08:10:00]
Resultados 25 a 50 de 1035
Resumen de: US20260167486A1
The systems, compositions, and methods herein provide hydrogen and aluminum salt production through the reaction of aluminum with water, using anion donor chemicals and a corrosion agent, which eliminates the need for pre-activating aluminum and avoids the formation of water-insoluble aluminum hydroxide. Water can be combined with dissolved anion donor chemicals, a corrosion agent, and aluminum in a reaction vessel. The corrosion agent corrodes an aluminum oxide layer on the aluminum, exposing raw aluminum (Al0) to water, and initiating a reaction that produces hydrogen gas, heat, and water-soluble aluminum salts. The evolved hydrogen can be captured for immediate use or storage. The produced aluminum salts can be removed and purified for use as a precursor chemical in various industrial applications. Related apparatus, techniques, and articles are also described.
Resumen de: US20260168115A1
0000 An alkaline water electrolyzer (AWE) incorporates a cation-exchange membrane (CEM) instead of a conventional porous diaphragm or an anion-exchange membrane used in the conventional AWE. The corresponding change in the nature of the charge carrier from the hydroxyl anion (OH<−>) in the conventional AWE to an alkali cation (A<+>) has a substantial effect on the electrochemistry and performance of the resulting CEM-alkaline water electrolyzer (CEM-AWE). The water electrolysis device combines advantages of: 1) non-PGM (precious group metal) catalysts involved in L-AWE (liquid alkaline water electrolyzer) and in AEM-AWE (anion exchange membrane-AWE), and 2) higher efficiency, differential pressure operation, responsiveness, and long-life of PEM-WE (proton-exchange membrane water electrolyzer). The novel water electrolyzer combines advantages of the two in the CEM-AWE involving non-PGM catalysts, graphite/SS PTLs and bipolar plates. Conventional approaches to electrolysis based hydrogen generation have not employed a CEM in an AWE.
Resumen de: WO2026123685A1
Disclosed herein is an aluminum recycling method for metallic aluminum energy storage and hydrogen production, comprising: electrolyzing aluminum oxide to obtain molten metallic aluminum; processing the molten metallic aluminum to obtain an aluminum-based hydrogen production material; under the action of a catalyst, chemically reacting the aluminum-based hydrogen production material with water to obtain hydrogen gas and an aluminum oxide hydrate slurry; subjecting the aluminum oxide hydrate slurry to solid-liquid separation to obtain an aluminum oxide hydrate and an aqueous solution containing the catalyst; calcining the aluminum oxide hydrate to obtain aluminum oxide; and recycling the aluminum oxide to the step of electrolyzing the aluminum oxide, and recycling the aqueous solution containing the catalyst to the step of chemically reacting the aluminum-based hydrogen production material with water, thereby forming a closed-loop cycle.
Resumen de: WO2026125486A1
The present invention relates to a method for operating a solid oxide electrolysis cell (SOEC) stack, the SOEC having a fuel (cathode) side and an oxy (anode) side. The SOEC stack is adapted for at least steam electrolysis to hydrogen. The invention further relates to a system and a plant suitable for carrying out the method. Specifically, the invention relates to using methanol as a reducing agent or using methanol for supplying a reducing agent in an SOEC.
Resumen de: WO2026123438A1
An electrode for enhancing mass transfer, and a use of the electrode. The electrode consists of a diamond-shaped nickel mesh layer (1), a nickel foam layer (2), and a nickel wire mesh layer (3) which are sequentially arranged. The electrode for enhancing mass transfer is applied to a reactor containing an ion exchange membrane, and the electrode for enhancing mass transfer is disposed between an integrated membrane electrode and an anode end plate; and the nickel wire mesh layer (3) is in contact with the integrated membrane electrode, and the diamond-shaped nickel mesh layer (1) is in contact with the anode end plate. The electrode can enhance a mass transfer effect in a liquid-phase dilute substance electrolysis process, improve substrate conversion rate, improve product yield and Faradaic efficiency, and reduce energy consumption in water electrolysis for hydrogen production coupled with organics oxidation.
Resumen de: WO2026126400A1
This separator is used in an electrolysis cell that produces hydrogen from water contained in a conductive fluid, and comprises a plate-like main body. The main body comprises: an electrolysis region which is disposed in a central part of a first surface of the main body; a manifold which is formed in an outer peripheral part that surrounds the central part on the first surface, and which penetrates the main body; and a flow path which connects the electrolysis region and the manifold to each other. The flow path comprises a tunnel part which is connected to the inner circumferential surface of the manifold inside the main body.
Resumen de: WO2026124965A1
The disclosure concerns an alkane dehydrogenation process remarkable in that it comprises the steps of (a) providing a first stream comprising one or more alkanes; (b) providing a second stream comprising hydrogen; (c) mixing the first stream and the second stream so as to generate a feedstream; (d) providing at least one proton-conducting catalytic membrane, each proton-conducting catalytic membrane comprising an anode, an electrolyte layer disposed on top of the anode and a porous cathode disposed on top of the electrolyte layer; (e) feeding within the anode of said one or more proton-conducting catalytic membranes under alkane dehydrogenation conditions the feedstream generated at step (c); and (f) recovering a first effluent comprising at least one or more alkenes.
Resumen de: KR20250001082A
The present invention relates to a ruthenium-based ammonia cracking catalyst and specifically, relates to an ammonia cracking catalyst in which ruthenium, which is an active metal, and potassium, which is an auxiliary metal, are on a yttria-stabilized zirconia support body containing lanthanum, and a manufacturing method thereof, wherein the ammonia cracking catalyst according to the present invention adjusts a ratio of ruthenium/potassium together with the lanthanum-containing yttria-stabilized zirconia-alumina support body even when a low content of ruthenium metal is used, minimizes the content of chlorine and nitrogen compounds, which are impurities within the catalyst, and designates a position of the active metal within the catalyst, thereby achieving a very high ammonia conversion rate and hydrogen production efficiency even at low temperatures compared to a catalyst having the same ruthenium metal content.
Resumen de: GB2702505A
A process for preparing a catalyst, as well as a catalyst, the catalyst comprising an oxygen evolution reaction electrocatalyst OER, a hydrogen oxidation reaction HOR electrocatalyst, and a particulate solid support are described. The OER electrocatalyst and the HOR catalyst are both supported on the particulate solid support. The OER is deposited from an aqueous mixture comprising a particulate solid support and a halide free metalate which comprises iridium and/or ruthenium. The pH of the mixture is reduced to ≤7 to precipitate the oxygenated metal into the solid particulate support. In the process, the OER electrocatalyst is deposited before the HOR electrocatalyst. The catalyst may be incorporated into a catalyst coated membrane (CCM) and used in a fuel cell. Figure 1a
Resumen de: WO2025037092A1
A membrane-electrode assembly for a water electrolyser is provided. The membrane- electrode assembly comprises a polymer electrolyte membrane with a first face and a second face; an anode catalyst layer on the first face of the membrane, the anode catalyst layer comprising an oxygen evolution reaction catalyst; and a porous web of polymer fibres in contact with the anode catalyst layer, the polymer fibres comprising a conductive metal additive.
Resumen de: EP4759969A1
The present invention discloses an electrode plate of an electrolysis apparatus and an electrolysis apparatus to which the electrode plate is applied. A direct current power supply is connected to the electrolysis apparatus and an electrolyte is injected into the electrolysis apparatus, to convert electric energy into chemical energy. The electrode plate includes a silicon-based electrode plate made of a doped conductive silicon material. The silicon-based electrode plate is electrically connected to the direct current power supply, and a flow channel is disposed on at least one surface of the silicon-based electrode plate, so that the electrolyte is input into the electrolysis apparatus through the silicon-based electrode plate, to implement an electrochemical reaction and output a reaction product. In the present invention, on a basis of maintaining good mechanical support and sealing function, material and process costs of the electrode plate of the electrolysis apparatus are significantly reduced, an overpotential of the electrochemical reaction for producing the reaction product is reduced, and an electrolysis reaction rate per unit area in the electrolysis apparatus is increased. Therefore, an operating voltage is effectively reduced at a same electrochemical reaction rate, and energy conversion efficiency of the electrochemical reaction is finally significantly improved.
Resumen de: EP4759970A1
Object To provide iridium oxide suitable for proton exchange membrane-type water electrolysis, the iridium oxide having high initial activity and being excellent in stability during a long-term operation.Solution Provided is iridium oxide having a rutile structure, the iridium oxide being characterized by having: a crystallite size of 2.0 nm to 4.0 nm as calculated from a peak of a (110) plane of the rutile-structured iridium oxide determined by X-ray diffraction; and a BET specific surface area, measured by nitrogen adsorption measurement, of 70 m2/g to 120 m2/g.
Resumen de: EP4759698A1
The present invention relates to an offshore platform allowing carbon neutral fuel to be produced, stored and supplied, overcoming intermittency of renewable energy, the offshore platform comprising: a main body located offshore; a hydrogen production unit, disposed in the main body, for producing hydrogen via sea water electrolysis using a water electrolysis device and storing the hydrogen; an ammonia production unit, disposed in the main body, for synthesizing, via a first synthesis device, the hydrogen flowing in from the hydrogen production unit with nitrogen in the air to produce ammonia and storing same; a carbon dioxide storage unit, disposed in the main body, for storing carbon dioxide flowing in from the ship; and a methanol production unit, disposed in the main body, for synthesizing, by means of a second synthesis device, the carbon dioxide flowing in from the carbon dioxide storage unit and hydrogen flowing in from the hydrogen production unit to produce methanol and storing same.
Resumen de: US2024343562A1
A method for thermal or thermochemical conversion of ammonia or methanol feedstocks into hydrogen (gas) in a related feedstock conversion facility is provided. The method comprises generating heated fluidic medium by at least one rotary apparatus, supplying a stream of thus generated heated fluidic medium into the feedstock conversion facility, and operating said at least one rotary apparatus and said feedstock conversion facility to carry out thermal or thermochemical conversion of the ammonia or methanol feedstocks into hydrogen at temperatures essentially equal to or exceeding about 500 degrees Celsius (° C.). Facility for production of hydrogen from ammonia or methanol feedstocks is further provided.
Resumen de: CN112336953A
The invention relates to positive pressure breathing equipment. The positive pressure breathing equipment comprises a gas channel, a hydrogen production device, a pressurizing device, a mixing device,an atomizing device, an output device and an output device. The hydrogen production device, the pressurizing device, the mixing device, the atomizing device and the output device are all coupled withthe gas channel. The hydrogen production device is used for electrolyzing electrolyzed water to generate hydrogen-containing gas. The pressurizing device can selectively accelerate external gas to generate accelerated gas. The mixing device is used for mixing the hydrogen-containing gas with the accelerated gas to generate positive pressure gas. The atomizing device is used for selectively generating atomizing gas. The output device is used for selectively outputting the hydrogen-containing gas, the positive pressure gas, the hydrogen-containing gas and the atomizing gas or the positive pressure gas and the atomizing gas. Therefore, the breathing device can be matched with the breathing frequency of a user, positive-pressure air is generated by the breathing device in the inspiration period and enters the lung of the patient through the gas channel, and the lung is expanded. The positive pressure does not need to be generated during expiration, the tail end of a breathing pipeline isopened outwards, and gas is automatically exhausted.
Resumen de: CN116162963A
The invention provides a high-pressure water electrolysis device which comprises a water tank II, the water tank II is divided into an upper barrel and a lower barrel from top to bottom, the upper barrel and the lower barrel are connected and fixed through a fastener, the lower barrel comprises a spring, a piston, a water outlet, a water inlet and a water filling cavity, the water inlet is formed in the bottom of the lower barrel, and the water filling cavity is formed in the bottom of the lower barrel. The water filling cavity is formed above the water inlet, the water outlet is formed in one side of the water filling cavity, the piston and the spring are sequentially arranged above the water filling cavity, one end of the spring is installed on the piston, the upper barrel body comprises an air inflation cavity, an air outlet and a pressing disc, the air outlet is formed in the top of the upper barrel body, and the air inflation cavity is communicated with the air inflation cavity. The pressing disc is fixed in the upper cylinder body, the air inflation cavity is formed between the air outlet and the pressing disc, and the other end of the spring is installed on the pressing disc. According to the technical scheme, the problems that in the prior art, high-pressure water electrolysis water replenishing is difficult, and the pressure of high-pressure oxygen is wasted are solved.
Resumen de: WO2025103851A1
The invention relates to a method for operating an electrolysis plant (1) comprising at least one stack (2) which has a plurality of electrolysis cells and has an anode (3) and a cathode (4), wherein in normal operation of the electrolysis plant (1), water is supplied to the anode (3) via a water circuit (5) having an integrated pump (6), said water being split in the at least one stack (2) into hydrogen and oxygen by electrolysis, and wherein the hydrogen produced by electrolysis is discharged via a cathode outlet (9) of the stack (2) and a media line (7) connected to said cathode outlet. According to the invention, a reduced stack flow is maintained when the electrolysis plant (1) is shut down and, by means of the stack flow and a cell-side recombination catalyst (10), oxygen present on the anode side is recombined with hydrogen, which diffuses from the cathode side to the anode side, to form water. The invention further relates to an electrolysis plant (1) that is suitable for carrying out the method or can be operated according to the method.
Resumen de: KR20260089038A
본 발명은 이동 휴대용 기능성 산소 및 수소 발생장치에 관한 것으로서 물전기분해 장치로 사용 우 소형으로 제작하여 사용할 수 있으며, 이동하여 사용이 편리하고, 산소 또는 수소를 분리가 가능하므로 화재발생시, 위급사항시, 필요시, 산소마스크로 사용할 수 있으며, 특히 부라운 가스로 사용할 수 있기 때문에 외부에서 연료로 사용할 수 있는 매우 유용한 발명인 특징이 있다.
Resumen de: EP3933069A1
0001 A separator for alkaline electrolysis comprising a porous support (10) and a first (20b) and second (30b) porous layer provided on respectively one side and the other side of the porous support, characterized in that the porous support has a thickness (d1) of 150 µm or less and the total thickness (d2) of the separator is less than 250 µm. Also a method is disclosed wherewith such a separator may be prepared.
Resumen de: US20260100392A1
The present disclosure relates to a method for manufacturing a reinforced composite membrane and a reinforced composite membrane obtained thereby. The method for manufacturing a reinforced composite membrane can minimize a difference in hydrophilicity and hydrophobicity between a porous support and a hydrocarbon-based polymer electrolyte and can improve the impregnation property of a polymer electrolyte.
Resumen de: WO2024251639A1
Process for the preparation of methanol comprising the steps of (a) preparing a hydrogen feedstock by electrolysis (b) providing a carbon oxide feedstock in periods of operating the electrolysis in step (a) (c) mixing at least part of the hydrogen feed and carbon oxide source consisting of carbon monoxide and/or carbon dioxide feed to obtain a methanol synthesis gas; (d) adjusting the molar content of hydrogen, carbon monoxide and/or carbon dioxide from step (c) to a module M of (H2-CO2)/(CO2+CO) to between 1.9 and 2.2 (e) converting the methanol synthesis gas in one or more boiling water reactors to methanol; in periods without operating the electrolysis in step (a) (f) interrupting the converting of the methanol synthesis gas in the one or more boiling water reactors by heat exchange with boiling water, wherein in step (f) the one or more boiling water reactors are heated by one or more auxiliary heaters to maintain boiling of the water in the one or more boiling water reactors.
Resumen de: JP2026095899A
0001 【課題】コンタミネーションによるセル異常を判定することを目的とする。 【解決手段】水電解セルの異常検出装置であって、演算装置を有しており、演算装置は、低温でＩ－Ｖ測定をし、得られたＩ－Ｖ測定値を微分することで中負荷領域の変曲点有無を検証することによりセル異常を判定する演算を行う。 【選択図】図５
Resumen de: WO2024252118A1
A method of producing a hydrogen stream and an oxygen stream and passing the hydrogen stream and the oxygen stream to a reverse water-gas shift reactor is described, the method comprising: providing a water stream to an electrolysis system configured to form: a hydrogen stream at a first pressure, and an oxygen stream at a second pressure; passing the hydrogen stream, a carbon dioxide stream, and the oxygen stream to the reverse water-gas shift reactor, wherein the first pressure is lower than the second pressure.
Resumen de: US2024401211A1
Particular embodiments described herein provide for a synthetic fuel creation system. The synthetic fuel creation system includes a syngas creation station to create syngas, a crude creation station to create heavy syncrude, and a crude cracking station to convert the heavy syncrude into synthetic fuel. The synthetic fuel creation system can use an electrocatalysis system to create the syngas and the electrocatalysis system can include an anode, a cathode, oxygen evolution reaction catalysts, hydrogen/carbon monoxide evolution reaction catalysts, and an electrolyte, where a pH of the electrolyte is acidic during at least a portion of creation of the syngas.
Nº publicación: US20260159970A1 11/06/2026
Solicitante:
GEARY PAUL FRANCIS [GB]
GEARY Paul Francis
Resumen de: US20260159970A1
0000 The present disclosure relates to an electrolysis system for generating hydrogen, the system comprising an electrolyzer comprising an electrolyte water inlet, a first gas outlet and a second gas outlet, an electrical generator configured to generate electricity, preferably for the electrolyzer, said electrical generator being connected to the first and/or second gas outlet of the electrolyzer and configured to be powered, at least in part, by gas flow provided via the first and/or second gas outlet, the system further comprising an electrolyte pump for supplying the electrolyzer with electrolyte water, wherein the electrical generator is a motor-generator comprising a first mode for generating electricity and a second mode for using electricity to drive the electrolyte pump.
BOPI
Sede Electrónica
