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Fast Ambient-Temperature Synthesis of OER Catalysts for Water Electrolysis

Resumen de: US20260265934A1

A water electrolyzer includes an anode formed by a sulfur-doped (Ni,Fe)OOH (S—(Ni,Fe)OOH) electrode. The water electrolyzer also includes a cathode formed by NiMoN nanowire arrays supported on Ni foam.

AMMONIA DECOMPOSITION CATALYST, HONEYCOMB STRUCTURE, AND INTERNAL COMBUSTION ENGINE

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.

Process and catalyst for the production of hydrogen by decomposition of ammonia by plasma catalysis

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).

BOILING WATER REACTOR WITH AUXILIARY HEATERS, REACTOR REVAMPING METHOD AND METHANOL SYNTHESIS

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.

SYSTEM FOR PRODUCING ENERGY AND BIOMETHANE FROM WASTE

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.

DEVICE AND METHOD FOR HYDROGEN PRODUCTION VIA MICROWAVE RESONANT PLASMA TORCH-ASSISTED AMMONIA CRACKING

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.

ELECTRODE FOR ELECTROCHEMICAL CELLS

Resumen de: US20260265935A1

An electrode for electrochemical cells designed to perform electrolysis is a support formed with an open porous metal structure and provided, on the outward-facing surface facing a separator of an electrochemical cell, with a coating that increases the specific surface area or with a coating that increases the specific surface area and exhibits increased catalytic activity. The coating is formed from a metal whose particles are bonded via material bonding to one another and to the surface of the open porous metal structure via sinter bridges and/or an organic binder. The coating is formed with multiple regions, between which uncoated interstices are arranged.

Electrolyser System

Resumen de: US20260265939A1

The present invention relates to an electrolyser system (10) comprising at least one electrolyser (20), the electrolyser (20) comprising at least one steam inlet (41) and at least one off-gas outlet (38; 39), and a turbocharger (62) for compressing off-gas from the electrolyser (20). The turbocharger (62) comprises a drive fluid inlet, a drive fluid outlet, a compression fluid inlet, a compressed fluid outlet, a compressor (13) and a turbine (12). The turbine (12) is configured to drive the compressor (13). The drive fluid outlet of the turbocharger (62) is fluidically connected to the at least one steam inlet (41) of the electrolyser (20). The at least one off-gas outlet (38; 39) of the electrolyser (20) is fluidically connected to the compression fluid inlet of the turbocharger (62). The system (10) can further can comprise a steam source fluidically connected to the drive fluid inlet of the turbocharger (62) for powering the turbine (12) using pressurised steam.

PART COATED WITH A CARBON-BASED LAYER

Resumen de: US20260269280A1

A part includes comprising a metal substrate and a layer of amorphous carbon-based material having sp2 hybridised bonds and sp3 hybridised bonds. The layer has a first content of sp3 hybridised bonds on the substrate side, anda second content of sp3 hybridised bonds on the side of an external surface of the layer,the first content being greater than the second content.An average content within the layer of sp3 hybridised bonds is between 5% and 65%and in that the content of sp3 hybridised bonds evolves continuously within the layer.

METHOD FOR PRODUCING LOW-CARBON HYDROGEN AND PLANT FOR THE IMPLEMENTATION THEREOF

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.

HYDROGEN-PRODUCTION PLANT

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).

ELECTROLYSIS DEVICE

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.

METHODS AND SYSTEMS FOR SYNTHESIS USING AN UNDERWATER ELECTRICAL ARC

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.

FLUORINATED POLYMER, ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, WATER ELECTROLYZER, HYDROGEN PRODUCTION METHOD AND FLUORINATED POLYMER PRODUCTION METHOD

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.

ELECTROLYSIS SYSTEM HAVING AN ION EXCHANGER

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.

COUPLED MULTI-PHASE OXIDATION-REDUCTION FOR PRODUCTION OF CHEMICALS

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.

ELECTROLYZER APPARATUS

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.

CATALYST INK, MEMBRANE-CATALYST LAYER ASSEMBLY, AND CELL STACK

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.

ELECTROLYZER CELL

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).

Erzeugung synthetischer Kraftstoffe unter Verwendung von Synthesegas, dessen CO durch Redoxreaktion zwischen einer Metallschmelze und CO2 erhalten wird

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.

METHOD FOR STANDBY OF AN ELECTROLYSIS SYSTEM, CONTROL DEVICE AND ELECTROLYSIS SYSTEM

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.

Method of Producing Hydrogen From Water Using Renewable Energy

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.

PROCESS FOR THE PRODUCTION OF CLIMATE-POSITIVE SPONGE IRON / STEEL

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.

HYDROGEN-POWERED AUTONOMOUS MOBILE VEHICLE AND OPERATING METHOD OF THE SAME

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.

ELECTROCATALYST COMPOSITIONS FOR ELECTROCHEMICAL LIQUID ORGANIC HYDROGEN CARRIER DEHYDROGENATION

Nº publicación: WO2026183637A1 10/09/2026

Solicitante:

AYRTON ENERGY INC [CA]
AYRTON ENERGY INC.

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.