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970
resultados
Última actualización
05/10/2026 [09:39:00]
Resumen de: WO2026203649A1
The present invention relates to a titanium porous body which is in a sheet form having a thickness of not more than 700 μm, which has a porosity of 30-60%, and which has a bubble point diameter of not more than 20 μm, wherein, among two main surfaces of the titanium porous body, the main surface having the higher surface roughness Rz has a surface roughness Rz of not less than 5 μm.
Resumen de: WO2026205559A1
According to the present invention, it is possible to provide an alkaline water electrolysis device and ion exchange membrane for alkaline water electrolysis enabling the electrolysis voltage to be kept low even at high current densities during alkaline water electrolysis, and having gas blocking properties that inhibit intermixing between hydrogen gas and oxygen gas generated, even at a low current density. The present invention provides an ion exchange membrane including a fluoropolymer having an ion exchange group and a woven fabric containing a polymer having a hydrogen permeability coefficient within a predetermined range. The weight of the fluoropolymer per unit area of the ion exchange membrane, the volumetric fraction of the polymer constituting the woven fabric in the ion exchange membrane, and the ion exchange capacity of the fluoropolymer are within predetermined ranges.
Resumen de: AU2025253291A1
Geologic hydrogen production and related systems and methods are generally described.
Resumen de: AU2025235851A1
A method for revamp and decarbonizing an ammonia or urea plant comprising an existing primary and secondary steam reforming unit for the preparation of ammonia synthesis gas and an ammonia synthesis loop using an electrolysis unit to produce hydrogen and oxygen.
Resumen de: WO2026199954A1
The present invention belongs to the technical field of green-electricity-based hydrogen production. Disclosed are a hydrogen-electricity coupling control system and method for off-grid green-electricity-based hydrogen production. The method comprises: executing MPPT control on each photovoltaic module, so as to maximize an output power; distributing output powers to power-type electrolyzers, and adjusting the duty cycles of boost DC/DC converters to stabilize a low-voltage-side current at a set value, such that the power-type electrolyzers always operate at rated power points; and distributing the output powers to regulation-type electrolyzers, and adjusting the output voltages of the boost DC/DC converters to stabilize a high-voltage-side voltage at a target value, such that the regulation-type electrolyzers absorb a fluctuating portion of a photovoltaic power. The present invention can effectively improve the efficiency of a green-electricity-based hydrogen production system, and can realize stable and sustainable hydrogen production without relying on energy storage.
Resumen de: WO2026200097A1
Disclosed in the present application are a hydrogen-production power supply system and a control method therefor. The system comprises a transformer, a main power branch, an auxiliary power branch, at least one set of energy storage branches, and a busbar, wherein a primary winding of the transformer is coupled to an alternating-current power grid, and a secondary winding of the transformer is coupled to an input terminal of the main power branch; an output terminal of the main power branch is coupled to an off-grid hydrogen production device; the auxiliary power branch is coupled between the secondary winding and the busbar; the energy storage branches are all coupled to the busbar; the main power branch comprises at least one uncontrolled rectifier circuit and at least one chopper circuit, the uncontrolled rectifier circuit being used for converting into direct currents alternating currents that are output by the transformer, thereby saving costs, and the chopper circuits being used for adjusting the voltage of the direct currents to a voltage required by a load of a chopper branch; the auxiliary power branch is used for outputting power to the busbar and performing power exchange with the alternating-current power grid, thereby improving the capability of responding to the alternating-current power grid; and the energy storage branches are used for pre-storing and releasing electric energy by means of the busbar, thereby improving the system stability.
Resumen de: WO2026205758A1
The present invention relates to a hydrogen production system capable of producing hydrogen in an environmentally friendly and economical manner by means of a low-temperature plasma module by using seawater. The present invention is characterized by a low-temperature plasma module hydrogen production system comprising: a water electrolysis unit into which seawater flows, and which electrolyzes the seawater to produce hydrogen; an atomization unit to which an electrolyte remaining in the water electrolysis unit after the electrolysis is transferred through an electrolyte discharge port, and which atomizes the electrolyte into a mist; an aerosol electrolysis unit to which water particles atomized by the atomization unit are transferred, and which is composed of a low-temperature plasma module and makes it possible to re-separate oxygen ions and hydrogen ions in atomized water molecules to produce hydrogen.
Resumen de: US20260297773A1
0000 The present invention relates to ternary metal(s) hydroxide (M1-M2-Ni)(OH)<2> composite supported on nickel foam (NF) having nanoflower arrays structure, which acts as a self-standing bifunctional electrocatalyst for cathode as well as anode (both electrodes) for water electrolysis/splitting. Further, the present invention provides hydrothermal process for the preparation of said bi-functional electrocatalyst. The bifunctional catalyst disclosed herein is useful in performing water electrolysis reactions to generate hydrogen and oxygen.
Resumen de: US20260301985A1
Disclosed are galvanic cells and methods for treating a molten salt by use of the galvanic cells. The galvanic cell can provide anti-corrosion treatment and improved corrosion resistance via electrochemical and chemical reactions involving a corrosive impurity in a molten salt. Reaction products of the chemical and electrochemical reactions include hydrogen gas that can carry hydrogen isotopes evolved in the molten salt. The system can also include removal of the hydrogen gas from the molten salt and separation and recovery of tritium contained therein.
Resumen de: US20260297769A1
0000 An electrode, including: a substrate that has a surface composed of at least one of nickel, nickel oxide, and nickel hydroxide; and scale-like protruding parts provided on the surface of the substrate.
Resumen de: US20260297781A1
A system for synthesizing ammonia includes a reactor including an inlet portion, an outlet portion, and an energy source arranged to deliver energy to one or more reactants receivable through the inlet portion of the reactor, and the energy source activatable to reduce nitrogen to ammonia in the presence of hydrogen, at least one hydrogen pump in fluid communication with the outlet portion of the reactor, each hydrogen pump including at least one electrochemical cell, and a recirculation circuit in fluid communication between the at least one hydrogen pump and the inlet portion of the reactor and configured to direct a respective hydrogen stream from each hydrogen pump to the inlet portion of the reactor.
Resumen de: US20260297771A1
Molybdenum carbide includes a Mo2C crystal structure, in which a content of carbon with respect to a total mass (100 mass %) of the molybdenum carbide is 6% or more.
Resumen de: US20260295515A1
This dehumidification apparatus is for dehumidifying a hydrogen gas that is produced by a hydrogen production device, the dehumidification apparatus comprising: a dehumidifier that includes an adsorption tower, inside of which there is provided an adsorbent that is capable of adsorbing moisture contained in the hydrogen gas; an inlet line for introducing the hydrogen gas from the hydrogen production device into the dehumidifier; an inlet valve that is provided to the inlet line; an outlet line for discharging the hydrogen gas that is dehumidified by the dehumidifier out from the dehumidifier; an outlet valve that is provided to the outlet line; and a control device that is configured to adjust the opening degree of the inlet valve and the opening degree of the outlet valve on the basis of the pressure within the adsorption tower during activation of the dehumidification apparatus.
Resumen de: US20260297772A1
A semiconductor catalyst is provided, which exhibits an effect of accelerating a reduction reaction by visible light irradiation and is excellent in durability. The semiconductor catalyst of the present disclosure includes thin film containing nitrogen-containing diamond particles in a plane direction and a height direction. The semiconductor catalyst can be produced by, for example, fixing, on a substrate having a positive or negative charge, nitrogen-containing diamond particles having a positive or negative charge, the positive or negative charge of the nitrogen-containing diamond particles being opposite to that of the substrate, and laminating, on the fixed nitrogen-containing diamond particles, nitrogen-containing diamond particles having a positive or negative charge, the positive or negative charge of the laminated nitrogen-containing diamond particles being opposite to that of the fixed nitrogen-containing diamond particles. The step of laminating is performed at least once after the step of fixing.
Resumen de: US20260297763A1
0000 A method for producing hydrogen, where feed water is subjected to electrolysis with a cathode gas being obtained, wherein the cathode gas contains hydrogen, oxygen and some of the feed water, wherein a process gas flow (102) is formed using at least some of the cathode gas, where the process gas flow contains at least some of the hydrogen, oxygen and feed water contained in the cathode gas, and where, in the process gas flow, at least some of the oxygen is subjected to an oxidative catalytic reaction with some of the hydrogen to form oxidation water, and where at least some of the feed water and the oxidation water in the process gas flow are removed from the process gas flow in a water removal process.
Resumen de: US20260298411A1
0000 A method for storing hydrogen in a plurality of subsea storages in a system. The system comprising an electrolyser source for producing hydrogen at a source pressure; a downstream compressor for compressing the hydrogen from the source pressure to a compressed higher pressure; and a plurality of storages, each for storing compressed hydrogen at the compressed higher pressure and each being subsea. The method comprising at least the steps of: producing hydrogen by the electrolyser source at the source pressure; passing the hydrogen to the plurality of storages through a bypass line around the compressor; and storing the hydrogen in at least one of the plurality of storages at a first pressure below the compressed higher pressure. A system for storing hydrogen in a plurality of subsea storages is also disclosed.
Resumen de: US20260297776A1
A method for controlling a facility containing electrolysers that are fluidically in parallel, including controlling the electrolysers in such a way as to seek to increase the uniformity of the individual loads on the electrolysers in operation. As s a result, specific electrical consumption of the facility for a predetermined total production load or for an electrical power available to power the facility is provided.
Resumen de: WO2026204899A1
Provided are: a separator for water electrolysis, the separator being composed of a film that contains a polymer having at least one constitutional unit selected from a constitutional unit represented by general formula (A) and a constitutional unit represented by general formula (B); and a material and a polymer for a separator for water electrolysis, which are suitable for the formation of the separator for water electrolysis. In the formulae, L groups each independently represent a C1-20 alkylene group, X groups each independently represent a hydrogen atom, Li, Na, K, or Cs.
Resumen de: WO2026204931A1
The purpose of the present disclosure is to provide an ammonia production apparatus capable of efficiently producing ammonia and suppressing production cost. The present disclosure relates to an ammonia production apparatus comprising: an anode chamber which has an anode electrode having a water electrolysis catalyst and to which water is supplied; a cathode chamber which has a cathode electrode having an ammonia synthesis catalyst and to which gaseous nitrogen is supplied; a diaphragm provided between the anode chamber and the cathode chamber; and a cathode electrode drying means for drying the cathode electrode. In the ammonia production apparatus, ammonia is synthesized from a hydrogen source and the nitrogen in the presence of the ammonia synthesis catalyst in the cathode chamber.
Resumen de: WO2026203429A1
This electrolysis system comprises: an electrolysis device that generates a cathode off-gas containing hydrogen through electrolysis using water as a raw material; a raw material system that supplies the raw material to the electrolysis device; a cathode regeneration heat exchanger that exchanges heat between the cathode off-gas and a cathode supply gas supplied to a cathode of the electrolysis device; a drain separator that separates moisture contained in the cathode off-gas; a synthesis gas booster that is provided on the downstream side of the drain separator; a tank that is provided on the downstream side of the synthesis gas booster; and a recycle system that returns a portion of the synthesis gas, from which moisture has been separated by the drain separator, to the raw material system through the tank.
Resumen de: WO2026206118A1
The present invention relates to a porous separator having low permeability and low resistance characteristics for alkaline water electrolysis, and a manufacturing method therefor. The porous separator may comprise (a) a porous structure layer including ceramic nanoparticles and a polymer binder including a polyarylene sulfone-based polymer and a perfluorosulfonic acid-based (PFSA) polymer, (b) a polyphenylene sulfide (PPS) porous support coated with the porous structure layer, and optionally (c) a polyvinyl alcohol (PVA) coating layer. In addition, the separator is manufactured using a nonsolvent-induced phase separation (NIPS) process. According to the present invention, by introducing the PFSA polymer, a pore structure is uniformly formed, excessive pores are suppressed, and ion transfer resistance is reduced by improving hydrophilicity. Accordingly, a separator for alkaline water electrolysis having excellent durability while achieving both low membrane resistance and low hydrogen permeability can be provided.
Resumen de: WO2026202230A1
A method and system for the production of a synthetic fuel Method and system for the production of a synthetic fuel comprising C5+ hydrocarbons which uses gaseous feedstocks of hydrogen and carbon monoxide and/or dioxide to produce a methanol intermediate with an electrochemical reactor and an enzymatic treatment unit before a two-stage reaction process produces the synthetic fuel via dehydration of the methanol to dimethyl ether.
Resumen de: DE102025111622A1
Verfahren zum Betrieb einer Elektrolysezelle (1) bei dem Wasserstoff (H2) und Sauerstoff (O2) als Produktgase erzeugt werden, wobei die Elektrolysezelle (1) einen Anodenraum (3) und einen Kathodenraum (5) aufweist, die durch eine elektrodenbeschichtete Membran (7) getrennt sind, wobei die Elektrolysezelle (1) mit einem Elektrolysestrom (I) beaufschlagt wird, so dass Sauerstoff-Produktgas im Anodenraum (3) und Wasserstoff-Produktgas im Kathodenraum (5) gebildet wird, wobei ein Fremdgasanteil von Wasserstoff (H2) von dem Kathodenraum (5) durch die Membran (7) in den Anodenraum (3) überführt wird. Dabei wird die Stromdichte (j) variiert und die Wasserstoffpermeationsrate (ṅH2) durch die Membran (7) als Funktion der Stromdichte (j) sowie in Abhängigkeit des Wassertransports (ṅH2O,drag) von dem Anodenraum (3) durch die Membran (7) in den Kathodenraum (5) bestimmt.Die Erfindung betrifft weiterhin einen entsprechenden Elektrolyseur (10a), der für die Durchführung des Verfahrens eingerichtet ist.
Resumen de: US20260297761A1
A hydrogen-electric coupling control method for off-grid green power-based hydrogen production includes: performing maximum power point tracking (MPPT) control on each photovoltaic module to maximize an output power; distributing the output power to a power-type electrolyzer, and stabilizing a current on a low-voltage side at a specified value by adjusting a duty cycle of a boost direct current (DC)/DC converter, such that the power-type electrolyzer always operates at a rated power point; and distributing the output power to a regulation-type electrolyzer, and stabilizing a voltage on a high-voltage side at a target value by adjusting an output voltage of the boost DC/DC converter, such that the regulation-type electrolyzer absorbs a fluctuating part of a photovoltaic power. The hydrogen-electric coupling control method can effectively improve efficiency of a green power-based hydrogen production system, and realize stable and sustainable hydrogen production without relying on energy storage.
Nº publicación: WO2026203446A1 01/10/2026
Solicitante:
TOHOKU UNIV [JP]
AZUL ENERGY INC [JP]
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Resumen de: WO2026203446A1
Provided are: a redox-mediated electrolysis cell which is capable of lowering overvoltage at the anode side; a redox-mediated secondary battery cell; a dynamic regenerative redox-mediated electrolysis cell; a redox-mediated electrolysis device; and a method for producing hydrogen. A redox-mediated electrolysis cell according to the present invention is provided with a first anode, a first cathode, a first anode electrolyte solution, a first cathode electrolyte solution, and a first diaphragm that separates the first anode electrolyte solution and the first cathode electrolyte solution from each other. The first anode electrolyte solution contains a redox-mediated reduced form. At the first anode, the oxidation potential of the redox-mediated reduced form is lower than the oxygen generation potential.
BOPI
Sede Electrónica
