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1030
resultados
Última actualización
17/10/2026 [07:07:00]
Resultados 500 a 525 de 1030
Resumen de: US20260265924A1
An electrolysis system contains: at least one electrolysis cell; a cathode-side water circuit having a hydrogen separator; an anode-side water circuit having an oxygen separator; an equalization connection which leads, coming from a cathode-side water connection, to the anode-side water circuit via a pump and an ion exchanger via a node point and an operating line; and an idle line which branches off upstream of the control line and leads to the cathode-side gas connection.
Resumen de: GB2633564A
A method of changing the electrolytic conversion rate within at least one electrolyser cell 10 stack 12 of an electrolyser system (figure 1, 20) is described. The stack 12 has a fluid inlet 114, fluid outlet 116 and a power control system 108. The power control system 108 is used to change the voltage, via a voltage interface 100 across the electrolyser cell stack 12, allowing the fluid outlet temperature 104 to change in response to the voltage change, setting an inlet temperature 106 to substantially match the new outlet temperature, and then allowing the voltage to revert to a substantially thermoneutral value. The electrolyser cell stack 12 is thus operating at a changed stack temperature and changed electrolytic conversion rate. A processor 110 and memory circuit 112 can also be provided for storing information such as preset current, voltage or power delivery changes. The current method may lead to a galvanostatic thermoneutral (GTN) strategy for electrolyzer stack control.
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: US20260265938A1
To provide a fluorinated polymer, from which such a polymer membrane can be produced that when a laminate having a polymer membrane that contains a fluorinated polymer having groups convertible to ion exchange groups sandwiched between transfer base materials is subjected to hot pressing and then the transfer base materials are peeled from the laminate, few pinholes are formed in the polymer membrane. To provide an electrolyte membrane using the fluorinated polymer, a membrane electrode assembly and a water electrolyzer. The fluorinated polymer of the present disclosure is a fluorinated polymer having units based on tetrafluoroethylene and having groups convertible to ion exchange groups, wherein no endothermic peak is observed within a range of 300 to 350° C. measured by differential scanning calorimetry.
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: WO2026184298A1
A device and method for hydrogen production via microwave resonant plasma torch-assisted ammonia cracking. The device comprises: a microwave unit (1), configured to generate microwaves; and a reaction unit (2), connected to the microwave unit (1). The reaction unit (2) comprises a resonant torch (21). The resonant torch (21) comprises a housing (211), wherein the housing (211) has a closed end and an open end, a resonant cavity (212) is formed between the closed end and the open end, the outer wall of the housing (211) is provided with a gas inlet communicated with the resonant cavity (212), and the gas inlet is configured to be communicated with an external ammonia gas source. A central electrode (213) passes through the resonant cavity (212). Microwaves are fed from the closed end into the resonant cavity (212) to establish microwave resonance therein, and a plasma region is formed around the tip of the central electrode (213) close to the open end, so that ammonia gas flowing in from the gas inlet undergoes a cracking reaction when passing through the plasma region, so as to generate cracked gas containing hydrogen gas.
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: WO2026185409A1
The invention relates to a method for standby of an electrolysis system (400, 600). The electrolysis system comprises an electrolysis unit (1) and an oxygen gas separator (2) for separating oxygen gas and electrolyte, and the electrolysis unit (1) is connected to a power connection point (4) for an energy supply (E) for electrolysis in the electrolysis unit (1). The method comprises: lowering the hydrogen content (g(H2)) in the oxygen gas separator (2) in response to a signal for interrupting the electrolysis if a first threshold value (c1(H2), cMi_1(H2)) of a hydrogen gas content in the oxygen gas separator is exceeded, if a first threshold value of an oxygen gas content (c1(O2), cMi_1(O2)) in the oxygen gas separator is not met, if a predetermined first time (t1) is reached, if a first threshold value (r1, rMi_1) for a ratio (c(H2)/c(O2)) of hydrogen gas content to oxygen gas content is exceeded, and/or if a first threshold value (1/r1, 1/rMi_1) for a ratio (c(O2)/c(H2)) of oxygen gas content to hydrogen gas content is not met; and subsequently interrupting the electrolysis of the electrolysis unit (1). The invention also relates to a control device and to an electrolysis system.
Resumen de: US20260265927A1
0000 A method for producing hydrogen gas (H<2>) from dioxytetrahydride gas (H<4>O<2>). Dioxytetrahydride gas is prepared by forming a reaction media having an aqueous electrochemical solution comprising one or more alkaline salts; placing the reaction media into a receptacle of an apparatus having a power supply and producing a magnetic field in a reaction zone via a direct electric current; collecting the dioxytetrahydride gas formed in the reaction zone after exposure to the magnetic field; infusing the collected dioxytetrahydride gas into a molecular sieve; separating hydrogen atoms from oxygen atoms in the molecular sieve; forming hydrogen gas spontaneously from the hydrogen atoms; and collecting the hydrogen gas from the molecular sieve. Significantly less energy and expense are required to produce hydrogen gas by this method compared to existing methods for producing hydrogen gas.
Resumen de: WO2026185334A1
In a process for the reduction of iron oxides comprising a DRI-process, wherein the DRI- process comprises processing iron, in particular iron ore, by H2 and CO in a process chamber in order to reduce the iron oxide to sponge iron, wherein the CO for use in the DRI-process is formed from CO2, at least a part of, in particular at least 90%, preferably 100% of the CO2 being obtained from a DAC process, whereby at least a part, in particular at least 90%, preferably 100% of carbon originating from the CO2 is stored permanently in the sponge iron.
Resumen de: WO2026183637A1
There is provided an electrocatalytic material for dehydrogenation of a hydrogen-rich liquid organic hydrogen carrier, and an electrochemical cell which includes the electrocatalytic material for effectuating the dehydrogenation.
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: 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: 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: 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).
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.
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: 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.
Nº publicación: US20260265926A1 10/09/2026
Solicitante:
INDUSTRIAL TECHNOLOGY RESEARCH INST [TW]
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
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.
BOPI
Sede Electrónica
