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984
resultados
Última actualización
16/10/2026 [07:02:00]
Resultados 475 a 500 de 984
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: US20260265612A1
The present invention relates to a process for converting a feedstock comprising at least one biomass fraction into hydrocarbons, said process comprising a step a) of pretreating the feedstock, a step b) of electrolysis of water into oxygen and hydrogen allowing the production of a stream of hydrogen and of a stream of oxygen, in which the water is at least partly obtained from a Fischer-Tropsch synthesis step e), a step c) of gasification of the feedstock pretreated in step a), in the presence of all or part of the oxygen stream obtained from the water electrolysis step b) so as to obtain a gaseous effluent comprising a synthesis gas, an optional step d) of conditioning the gaseous effluent comprising a synthesis gas obtained from step c) and a step e) of Fischer-Tropsch synthesis of the gaseous effluent obtained from step c) or optionally from step d) in the presence of all or part of the hydrogen obtained from the water electrolysis step b) so as to produce a stream comprising synthetic liquid hydrocarbons and at least one gaseous effluent.
Resumen de: US20260264063A1
27 The present invention refers to a process comprising 3-10 metal atoms atomic quantum clusters (AQCs) supported on metal oxides as catalysts for oxygen release; which can be applied to the oxidation of fuels. Additionally, the present invention refers to the use of said 3-10 metal atoms AQCs supported on metal oxides as oxygen carriers in chemical looping reactions, and to catalysts and chemical compositions comprising said 3-10 metal atoms AQCs supported on metal oxides.
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: US20260264061A1
The present invention relates to a process for converting a gas comprising NH3 in the presence of a cold plasma, preferably a plasma generated by dielectric barrier discharge (DBD), and of a catalyst comprising a support comprising alumina, nickel, and at least one promoter comprising iron. The invention also relates to such a catalyst, and to the use thereof for producing high value-added molecules like hydrogen (H2).
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: 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: 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: 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: 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: 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: 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: 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: 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.
Nº publicación: WO2026187231A1 10/09/2026
Solicitante:
H2FLEXX B V [NL]
H2FLEXX B.V.
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.
BOPI
Sede Electrónica
