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1009
resultados
Última actualización
25/10/2026 [07:03:00]
Resultados 650 a 675 de 1009
Resumen de: US20260265923A1
A process for producing hydrogen includes a) providing a starting mixture containing bromine, water and a sulfur containing compound, b) reacting the starting mixture provided in a) so as to produce a reaction mixture effluent comprising sulfuric acid and hydrogen bromide, c) separating the reaction mixture effluent obtained in b) into hydrogen bromide enriched compositions and into sulfuric acid enriched compositions the hydrogen bromide enriched composition contains at most 1,000 ppm of sulfuric acid, c) comprises at least two distillation steps, d) subjecting a portion of the hydrogen bromide enriched composition to an electrolysis so as to obtain hydrogen and a bromine containing composition, the electrolysis cell is operated at an operational temperature of at least 70° C., and e) recycling a portion of the bromine containing composition obtained in d) back to a).
Resumen de: WO2026185353A1
The present invention discloses an electrolysis device. The electrolysis device according to the present invention incorporates a reactor, a hydrogen gas-liquid separator, an oxygen gas-liquid separator and a cleaning component, the cleaning component is connected to the reactor, the hydrogen gas-liquid separator and/or the oxygen gas-liquid separator, and is configured to store a cleaning agent for pickling, and is configured to provide the cleaning agent to the electrolysis device during pickling, such that a pickling operation may be performed efficiently, to improve production efficiency.
Resumen de: AU2025262338A1
Methods and systems for synthesis using an underwater electric arc. Such methods and systems form an electrical arc between an anode and a cathode positioned under water or within an aqueous mist and introduce an added material into the vicinity of the electrical arc. The formation of the electrical arc in the vicinity of the added material facilitates synthesis of chemical products from the added material. Such synthesized chemical products include ammonia, hydrogen, cyanide, and hydrogen cyanide.
Resumen de: AU2025224758A1
A system for producing energy and methane includes a waste-to-energy unit configured to produce energy and a flue gas by combusting waste and an oxidizing agent having oxygen and a carbon dioxide (CO2) separation unit configured to separate CO2 from the flue gas to provide separated CO2. The system also includes a bio-methanation unit configured to generate methane (CH4), heat, and water using the separated CO2 received from the CO2 separation unit and received hydrogen (H2) gas. The system further includes an electrolyzer coupled to a source of water (H2O) and an electric power source supplying electricity and configured to split the H2O to generate the oxygen used in the oxidizing agent and the H2 gas used in the bio-methanation unit.
Resumen de: AU2025230555A1
The present invention relates to boiling water reactors arranged to receive a synthesis gas for producing raw gas products, such as a raw methanol product, particularly for transient operation, such as where the synthesis gas is at least partly provided by producing hydrogen by electrolysis of water or steam. Embodiments of the invention include a boiling water reactor, a method of revamping an existing boiling water reactor, and a process for producing raw gas product, such as raw methanol product, utilizing the boiling water reactor.
Resumen de: WO2026185352A2
The invention discloses a cleaning agent for pickling, an electrolysis device and a method for pickling. The cleaning agent contains a chelating agent, which may effectively remove metal deposits produced by corrosion on surfaces of components of the electrolysis device, improve pickling efficiency and quality, and thus improve an overall production performance of hydrogen. The electrolysis device according to the invention incorporates a reactor, a hydrogen gas-liquid separator, an oxygen gas-liquid separator and a cleaning component, the cleaning component is connected to the reactor, the hydrogen gas-liquid separator and/or the oxygen gas-liquid separator, and is configured to store the cleaning agent for pickling, and is configured to provide the cleaning agent to the electrolysis device during pickling, such that a pickling operation may be performed efficiently, to improve production efficiency. In the method for pickling according to the invention, a concentration of metal ions in the cleaning agent is monitored, which not only may ensure that the cleaning agent is used in an effective range, but also may end a pickling process in time, thereby avoiding excessive consumption of the cleaning agent, saving a pickling time, while ensuring a pickling effect.
Resumen de: US20260264059A1
An ammonia decomposition catalyst including a composite oxide forming a perovskite structure with at least barium, zirconium, and ruthenium. Also included is a honeycomb structure including the ammonia decomposition catalyst and an internal combustion engine including the ammonia decomposition catalyst. The ammonia decomposition catalyst exhibits excellent initial activity even at low temperatures and excellent heat resistance in terms of ammonia decomposition activity.
Resumen de: US20260265051A1
In a method for producing low-carbon hydrogen from ammonia and a plant implementing the method, liquid ammonia feedstock is heated and superheated in a heat-reclaiming module coil and supplied into an ammonia cracking reactor, the resulting nitrogen-hydrogen mixture is cooled in an air cooler, and hydrogen is recovered. The liquid ammonia fuel is heated and evaporated, the gaseous ammonia fuel is superheated and mixed with tail gases resulting from the hydrogen recovery, and the resulting fuel gas, together with hot air, is supplied to the ammonia cracking reactor. The ammonia feedstock and the ammonia fuel are evaporated and superheated in respective recuperative heat exchangers. An outlet for the flue gases of the ammonia cracking reactor is connected to the heat-reclaiming module. Extraction of distilled water from the flue gases as a by-product becomes possible by cooling the exiting flue gases to approx. +60° C. in the heat-reclaiming module.
Resumen de: US20260269283A1
Gas pressure equalisation systems, and method of operation, for an electro-synthetic or electro-energy liquid-gas cell or cell stack. The gas pressure equalisation systems includes a first pressure equalisation tank for partially containing a first liquid and a first gas. The first gas is positioned above a liquid first level. A first gas conduit is provided for the transfer of the first gas between the cell or cell stack and the first pressure equalisation tank. In another aspect, a second pressure equalisation tank may be additionally provided for partially containing a second liquid and a second gas positioned above a liquid second level. A second gas conduit is then provided for the transfer of the second gas between the cell or cell stack and the second pressure equalisation tank.
Resumen de: US20260265925A1
A system and method of making hydrogen from water. A reaction vessel is provided with an outer shell, a central shaft, and concentric inner tubes separated by annular spaces. Water is delivered to the annular spaces by a water pump through an inlet defined in the reaction vessel. The water courses along a tortuous flow path. That path begins at an inner annular space around a central shaft. It ends at an outer annular space. The water emerges from the reaction vessel through an outlet associated with a manifold. A vibratory stimulus is applied to the reaction vessel and water. Water molecules are dissociated into hydrogen molecules and oxygen atoms. These reaction products are delivered through the manifold along an effluent flow path to a receiving pressure vessel before deployment to a sub-assembly for harnessing clean energy.
Resumen de: US20260265926A1
A hydrogen-powered autonomous mobile vehicle includes a mixing valve, a hydrogen storage device, a fuel cell, and an electrolyzer. The mixing valve has a first gas intake port coupled to the hydrogen storage device, a second gas intake port, and an outlet port coupled to the fuel cell, and includes a gas intake pipe coupled to the electrolyzer. The fuel cell is configured to perform a first redox reaction based on hydrogen supplied by the hydrogen storage device to generate electric energy and water. The electrolyzer is configured to receive the water and perform a water electrolysis reaction to generate hydrogen. The mixing valve is configured such that the hydrogen supplied by the hydrogen storage device and the hydrogen generated by the water electrolysis reaction converge and are delivered to the fuel cell. The fuel cell is configured to perform a second redox reaction based on the converged hydrogen.
Resumen de: WO2026185069A1
The invention relates to a hydrogen-production plant (10), comprising: a plurality of electrolysis devices (11) which are designed to generate hydrogen from water with the aid of electrical current, wherein oxygen is produced during the generation of the hydrogen; a water circuit (13) which is designed to supply water to the electrolysis devices and to remove water and oxygen from the same, wherein the water circuit (13) has a water storage container (17) from which water can be supplied to the electrolysis devices, wherein the water circuit (13) has a pump (16) which is designed to convey the water from the water storage container (17) towards the electrolysis devices, wherein the water circuit (13) has an oxygen separator (18) which is designed to separate oxygen from the water discharged by the electrolysis devices upstream of the water storage container (17). The oxygen separator (18) has at least one first, horizontally extending separation tube (19) to which water and oxygen can be supplied from the electrolysis devices, wherein from a first end (19a) of the respective first, horizontally extending separation tube (19), water can be conducted towards the water storage container (17), and wherein, from a second end (19b) of the respective first, horizontally extending separating tube (19), oxygen can be conducted towards an oxygen outlet (20).
Resumen de: US20260265932A1
0000 An electrolysis apparatus is presented. Anode and cathode catalysts or carbon electrodes are submerged in saltwater in a basin with the goal of extracting hydrogen gas, which is a renewable source of energy. The basin is metallic and includes rubber on the outside of the basin to handle high temperatures. A battery connected to the basin serves as a power supply and provides direct electric current to cause the breakdown of the element via electricity to produce hydrogen gas and direct the hydrogen gas to other items as a source of electricity.
Resumen de: DE102025108217A1
Die vorliegende Erfindung betrifft zunächst ein Verfahren zum Beschichten einer Membran (01) einer Wasserelektrolysezelle mit einer Rekombinationskatalysatorschicht (02). Die Rekombinationskatalysatorschicht (02) dient zum Katalysieren einer Rekombinationsreaktion von Sauerstoff und Wasserstoff und soll die Bildung eines explosiven Gemisches in der Wasserelektrolysezelle verhindern. In einem Schritt des Verfahrens wird eine ein Polymer umfassende Membran (01) für eine Wasserelektrolysezelle bereitgestellt. Zudem wird eine wässrige Lösung eines Platinsalzes bereitgestellt. Die wässrige Lösung des Platinsalzes wird in eine Dispersion einer Perfluorsulfonsäure eingemischt, wodurch Platinkationen des Platinsalzes an Anionen der Perfluorsulfonsäure gebunden werden und platinhaltige Partikel (04) in der Dispersion bilden. Die die platinhaltigen Partikel (04) enthaltende Dispersion wird auf die Membran (01) aufgetragen. Die auf die Membran (01) aufgetragene die platinhaltigen Partikel (04) enthaltende Dispersion wird erwärmt, wodurch Wasser abgedampft wird und die platinhaltigen Partikel (04) zu einer laminatartigen Beschichtung (02) auf der Membran (01) gewandelt werden. Weiterhin betrifft die Erfindung eine Membran (01) für eine Wasserelektrolysezelle.
Resumen de: WO2026186535A1
The present invention pertains to an anion conductive film-catalyst layer assembly comprising a porous substrate, an anion conductive film that is disposed at least in pores of the porous substrate and that contains a water-insoluble polymer having an unsubstituted polyethylene-oxy structure, and a catalyst layer that is disposed in contact with at least one surface of the anion conductive film and that contains an oxygen generation catalyst or a hydrogen generation catalyst for use in water electrolysis. The average value (Tave), the maximum value (Tmax), and the minimum value (Tmin) of the thickness of the catalyst layer satisfy formula 1: 1/2Tmax < Tave and formula 2: 2Tmin > Tave. The present invention also pertains to: a method for producing the anion conductive film-catalyst layer assembly; and a water electrolysis cell.
Resumen de: US20260264069A1
A metal phosphide-graphene aerogel catalyst for hydrolysis of ammonia borane, including: a graphene aerogel in a three-dimensional porous structure, and metal phosphide nanoparticles, which are spherical with an average particle size of 3-100 nm, uniformly deposited on the graphene aerogel, and include a phosphorus element and a transition metal element. The transition metal element may be cobalt, nickel, iron, zinc, titanium, vanadium, chromium, manganese, copper, or any combination thereof. A method for preparing the metal phosphide-graphene aerogel catalyst, includes: preparing the graphene aerogel by performing a hydrothermal process on a graphene oxide and a reducing agent; preparing an electrolyte, including a phosphorus-containing compound, a transition metal compound, disodium citrate, boric acid, and deionized water in a mass ratio of (1-2):(1-2):(2-4):(1-2):(90-95); and electro-depositing the metal phosphide onto the graphene aerogel. A hydrogen production system for hydrolysis of ammonia borane including the same catalyst is also provided.
Resumen de: WO2026185723A1
An electrolyzer cell is disclosed, which comprises two frame parts (10) mechanically coupled to each other and having respective central openings (24), which define an active chamber of the cell. The frame parts (10) are identical to each other and are made of plastic material, in particular thermoplastic material, so that they can be manufactured using the same moulding tool, thereby reducing the manufacturing costs.
Resumen de: WO2026185691A1
The present invention relates to a system for making hydrogen available by dissociating the water molecule via optimized electrolysis, in order to achieve an efficient, safe and environmentally sustainable process, which can be configured to be incorporated or integrated into all internal combustion apparatus/systems, including hybrid systems, for land, sea, air and/or space transport, or in plants for the 'production' of thermal or electrical energy. The invention also provides an innovative method for supplying hydrogen from water, and a method involving the use of the system object of the invention.
Resumen de: WO2026187231A1
The present invention relates to an aqueous fuel composition for use in hydrogen extraction, said fuel composition comprising a metal borohydride and an aqueous liquid having a pH in the range of between 7 and 14, said aqueous liquid comprising water and a stabilizer being a metal borate. Moreover, the present invention relates to a method for hydrogen extraction comprising bringing the aqueous fuel composition according to any one of preceding claims into contact with at least one catalyst in an extraction reactor to yield gaseous hydrogen and an aqueous spent fuel comprising water and metal borate, wherein at least part of said aqueous spent fuel is recycled back into the aqueous fuel composition. In addition, the invention relates to a use of a metal borate as a stabilizer in an aqueous fuel composition comprising a metal borohydride and to a use a metal borohydride to decrease the solubility of a metal borate in an aqueous liquid.
Resumen de: WO2026186219A1
This catalyst ink for forming an anode catalyst layer (61) on an anion exchange membrane (51) contains a solvent, an electrolyte, and a catalyst. The mass ratio of the electrolyte to the catalyst is 0.07-0.3. Thus, the anode catalyst layer (61) can be satisfactorily formed on the anion exchange membrane (51).
Resumen de: WO2026188059A1
A process for conversion of chemical reactants into products in a plurality of steps includes reacting a first reactant with a first reactive condensed phase material to produce a first product and a second reactive condensed phase material, separating the first product from the second reactive condensed phase material, reacting a second reactant with the second reactive condensed phase material to produce a second product and the first reactive condensed phase material, and separating the second product from the first reactive condensed phase material.
Resumen de: DE102025108101A1
Die vorliegende Erfindung betrifft Verfahren und Anlagen zur Herstellung von synthetischen Kraftstoffen mittels Fischer-Tropsch-Synthese, bei der als Eduktgas ein Synthesegas umfassend oder bestehend aus CO und H2eingesetzt wird, dessen CO aus einem CO2-Redoxreaktionsprozess stammt.
Resumen de: WO2026185727A1
An electrolyzer apparatus is disclosed, which comprises at least one cell stack, wherein each cell stack comprises a plurality of electrolyzer cells (12) arranged side by side and connected in series with each other. The electrolyzer cells (12) of each cell stack are arranged in cell modules (10) mounted side by side, wherein each cell module (10) comprises two or more electrolyzer cells (12) fastened together by mechanical fastening means, in such a manner that each cell module (10) can be handled as a single component.
Resumen de: WO2026185722A1
An electrolyzer cell is disclosed, which comprises: a frame structure formed by two frame parts (10) mechanically coupled to each other and having respective central openings (24), which define an active chamber of the cell; a catalyst-coated substrate and gasket assembly (14) mounted between the two frame parts (10) and comprising a membrane (46) and a flat gasket (48), said membrane (46) being aligned with the central openings (24) of the two frame parts (10); and a pair of electrodes (16, 18), namely a cathode electrode (16) and an anode electrode (18). The catalyst-coated substrate and gasket assembly (14) is made in one piece, with the flat gasket (48), and preferably also the cathode and anode electrodes (16, 18), being co-moulded with the membrane (46).
Nº publicación: WO2026186218A1 10/09/2026
Solicitante:
SCREEN HOLDINGS CO LTD [JP]
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Resumen de: WO2026186218A1
This membrane-catalyst layer assembly used in anion exchange membrane-type water electrolysis comprises an anion exchange membrane (51) and an anode catalyst layer (61) in contact with alkaline water. The anode catalyst layer (61) includes a catalyst and a polymer. As the polymer, a polymer or polyolefin neutral in water is used. As a result, the manufacturing cost of the catalyst ink or the membrane-catalyst layer assembly can be reduced as compared with the case in which an expensive polymer having an ionic group is used.
BOPI
Sede Electrónica
