Alerta

STEAM SULFUROUS MATERIAL REFORMING AND THERMOCHEMICAL CYCLES RELATED THERETO

Resumen de: US2025320118A1

A method can include performing a series of reactions in a closed cycle, the series of reactions consisting of a hydrolysis reaction where a redox reagent is oxidized to a corresponding oxidized redox reagent with water contemporaneously with the production of hydrogen; and a reduction reaction where the oxidized redox reagent is reduced to the redox reagent using a sulfurous reactant contemporaneously with production of sulfur dioxide.

APPARATUSES AND METHODS FOR PRODUCING HYDROGEN FROM SAND AND WATER

Resumen de: US2025320117A1

A method may provide a mechanical mill for reducing a size of particles; wherein the mechanical mill includes: a core for accelerating particles, the core including: a first disc and a second disc facing the first disc in an axial direction, wherein each of the first disc and the second disc includes a plurality of concentric rings and a plurality of concentric channels alternately interleaved with the plurality of concentric rings; and wherein the first disc, the second disc, or a combination thereof are rotated. A method may introduce water into the mechanical mill. A method may introduce soil particles into the mechanical mill. A method may activate the mechanical mill to accelerate the water and the soil particles. A method may thereby produce nanoparticles from the soil particles and producing hydrogen from a reaction between the nanoparticles and the water.

METHOD OF SYNTHESIZING VANADIUM CARBIDE AND LAYERED DOUBLE HYDROXIDE-BASED COMPOSITES FOR SOLAR HYDROGEN PRODUCTION

Resumen de: US2025319459A1

There is disclosed a method of constructing a layered double hydroxide (LDH) material comprising selected metal ions, and employing metallic vanadium carbide (V2C) for promoting conductive properties of the LDH material, wherein the layered LDH material is a trimetallic LDH material. The trimetallic LDH material comprises selected Ni2+, Co2+, and AL3+ metal ions with its cationic configuration for improving photocatalytic properties of the LDH material, wherein trimetallic nickel-cobalt-aluminium layered double hydroxide (NixCoyAlz LDH) and vanadium carbide MXene (V2C)-based composite is coupled with a graphitic carbon nitride (g-C3N4) nanosheet, to form a hybrid-junction photocatalyst. Also disclosed is a layered structure of vanadium carbide (V2C) MXenes, comprising trimetallic nickel-cobalt-aluminium layered double hydroxide (NixCoyAlz LDH) and vanadium carbide MXene (V2C) coupled with graphitic carbon nitride (g-C3N4), forming a NixCoyAlz LDH/g-C3N4 hybrid-junction photocatalyst.

ELECTROCHEMICAL CELL STACKS INCLUDING MULTI-DIAMETER MESH CONTACT LAYER

Resumen de: US2025323304A1

An electrochemical cell stack includes at least two electrochemical cells that each contain a fuel electrode, an air electrode, and an electrolyte located between the fuel electrode and the air electrode, at least one interconnect located between the at least two electrochemical cells, and a contact layer that electrically connects the at least one interconnect and the fuel electrode of an adjacent one of the at least two electrochemical cells. The contact layer includes first wires that extend in a first direction, the first wires including thinner first wires and thicker first wires, the thicker first wires having a thickness that is larger than a thickness of the thinner first wires, and second wires that extend in a second direction different from the first direction.

METHANE GENERATION SYSTEM

Resumen de: US2025323299A1

The methane generation system according to the present disclosure includes a methane generation unit including an electrolysis device that electrolyzes water to obtain hydrogen and a methane reactor that obtains a fuel gas containing methane by a methanation reaction using the hydrogen; a reformer that reforms the fuel gas to obtain a reformed gas; a fuel cell that generates electricity by a reaction of obtaining a product gas from the reformed gas and an oxygen-containing gas; a recovery device that separates a recovery gas containing carbon dioxide from return fluid which is a pail of the product gas; and a circulation path through which the recovery gas is guided to the methane generation unit.

Reverse Electrodialysis or Pressure-Retarded Osmosis Cell and Methods of Use Thereof

Resumen de: US2025323303A1

A method and system of generating electrical power or hydrogen from thermal energy is disclosed. The method includes separating, by a selectively permeable membrane, a first saline solution from a second saline solution, receiving, by the first saline solution and/or the second saline solution, thermal energy from a heat source, and mixing the first saline solution and the second saline solution in a controlled manner, capturing at least some salinity-gradient energy as electrical power as the salinity difference between the first saline solution and the second saline solution decreases. The method further includes transferring, by a heat pump, thermal energy from the first saline solution to the second saline solution, causing the salinity difference between the first saline solution and the second saline solution to increase. The method may include a process of membrane distillation, forward osmosis, evaporation, electrodialysis, and/or salt decomposition for further energy efficiency and power generation.

PRIME LOCATION OF UNIPOLAR ELECTROLYSIS PLANTS ON THE ELECTRICITY GRID

Resumen de: AU2024268862A1

An apparatus for generating electrical energy is disclosed. The apparatus comprises an electrolytic hydrogen generator configured to receive electricity from at least one renewable electricity generating source and produce hydrogen and oxygen from water. The apparatus also comprises a hydrogen storage unit configured to store hydrogen produced by the electrolytic hydrogen generator and a plurality of hydrogen fuel cells in fluid connection with the hydrogen storage unit and a source of oxygen or air, each hydrogen fuel cell configured to generate electricity from hydrogen supplied from the hydrogen storage unit and oxygen or air supplied from the source of oxygen or air.

WATER ELECTROLYSIS CATALYST

Resumen de: AU2024262055A1

A family of catalysts for oxygen evolution reaction (OER) in alkaline condition is disclosed. The catalysts utilize elements which are abundant on earth, leading to lower costs compared to IrCh catalysts. The catalysts can be used in the anode of an anion exchange membrane-based water electrolyzer. The family of new catalysts comprises Ni, Fe, M, B, and O, where M is a metal from Group VIB, Group VIII, and elements 57-71 of the Periodic Table. The catalyst has a layered double hydroxide structure. Methods of making the catalysts are also described.

TWO-ELECTRODE ELECTROCHEMICAL SYSTEM STABILIZATION

Resumen de: AU2024240321A1

An electrochemical system includes a counter electrode and a working electrode spaced from the counter electrode. The working electrode includes a substrate, an array of conductive projections supported by the substrate and extending outwardly from the substrate, each conductive projection of the array of conductive projections having a semiconductor composition, and including a surface, the surface including nitrogen, and an oxynitride layer disposed on the surface. The counter electrode and the working electrode are arranged in a two-electrode configuration.

CONTROL DEVICE FOR WATER ELECTROLYSIS CELL, WATER ELECTROLYSIS SYSTEM, AND CONTROL METHOD FOR WATER ELECTROLYSIS CELL

Resumen de: US2025320617A1

A water electrolysis cell has: an oxygen generating electrode containing an oxygen generating catalyst; a hydrogen generating electrode containing a hydrogen generating catalyst; and a membrane that separates the oxygen generating electrode and the hydrogen generating electrode, and electrolyzes water to generate oxygen on the oxygen generating electrode and generate hydrogen on the hydrogen generating electrode. A control device controls electric current supply to the water electrolysis cell so that a potential of the oxygen generating electrode is higher than a reduction potential of the oxygen generating catalyst and lower than an oxygen generating potential, and a potential of the hydrogen generating electrode is lower than an oxidation potential of the hydrogen generating catalyst, during an operation stop.

ELECTROLYTIC CELL AND ELECTROLYTIC APPARATUS

Resumen de: EP4632113A1

The electrolysis cell according to the present disclosure includes: a first separator including a first surface; a second separator disposed with an accommodating space apart from the first separator, the second separator including a second surface facing the first surface; an ion-exchange membrane disposed in the accommodation space; a first power feeder disposed between the first separator and the ion-exchange membrane; a first catalyst layer disposed between the first power feeder and the ion-exchange membrane; a second power feeder disposed between the second separator and the ion-exchange membrane; a second catalyst layer disposed between the second power feeder and the ion-exchange membrane; and a flow direction changing part provided as a part of the first separator or disposed between the first separator and the first power feeder, the flow direction changing part changing a flow direction of at least a portion of an electrolyte flowing along the first surface in a first direction to a second direction intersecting the first surface at each of a plurality of positions in the first direction.

PROCESSES FOR PREPARING LITHIUM HYDROXIDE

Resumen de: EP4631606A2

There is provided a system for preparing lithium hydroxide. The system comprises:an electrolysis cell, defining an anodic compartment separated from a central compartment by an anion exchange membrane and a cathodic compartment separated from said central compartment by a cation exchange membrane. The central compartment comprising at least one inlet for receiving an aqueous composition comprising lithium compound. The cathodic compartment comprises at least one cathode wherein said cathode is configured to produce a lithium hydroxide-enriched aqueous composition. A pH probe and at least one inlet for receiving acid or base for at least substantially maintaining the pH of said aqueous composition comprising said lithium compound at about 1 to about 4 is also provided.

AMMONIA DECOMPOSING CATALYST AND METHOD FOR PRODUCING SAME

Resumen de: EP4631617A1

The present invention pertains to an ammonia decomposing catalyst and a method for producing same. More specifically, the present invention pertains to: an ammonia decomposing catalyst containing an MgAl₂O₄ spinel support and ruthenium, the content of ruthenium being 0.1-5 wt% of the total weight of the catalyst; and a method for producing same.

Catalyst-coated membranes for water electrolysis

Resumen de: GB2640128A

A catalyst-coated membrane (10) for a water electrolyser is provided. The catalyst-coated membrane comprises a polymer electrolyte membrane with an anode catalyst layer (12) on a first side of the membrane (14). The anode catalyst layer (12) comprises an oxygen evolution reaction catalyst containing at least one noble metal at a loading of the oxygen evolution reaction catalyst, based on the noble metal content, of less than or equal to 0.6 mg/cm2 . The polymer electrolyte membrane comprises a membrane layer comprising dispersed platinum group metal-containing nanoparticles (20), a nanoparticle stabilising agent and an ion-conducting polymer.

GAS PRESSURE CONTROLS FOR A WATER ELECTROLYZER PLANT

Resumen de: EP4632109A1

The present disclosure relates to systems and methods for increasing efficiency and performance by balancing pressure in electrolytic cell. The present disclosure relates to systems and methods of utilizing different valves for controlling absolute pressure and differential in the electrolytic cell system based on hydrogen demand and the operating state of the system.

プロセス及び膜

Resumen de: CN119866394A

A method for producing an ion conducting membrane comprising a membrane layer comprising a reconstitution catalyst. The film layer is made from an ink comprising a stabilized dispersion of reconstitution catalyst nanoparticles. Also provided are ion conducting membranes for electrochemical devices, such as fuel cells or water electrolysers, having a membrane layer comprising a reconstitution catalyst, the membrane layer comprising dispersed reconstitution catalyst nanoparticles, a nanoparticle stabilizer, and an ion conducting polymer.

A METHOD FOR PRODUCING HYDROGEN GAS FROM NON-PURIFIED WATER VIA SULPHUR DEPOLARIZED ELECTROLYSIS (SDE)

Resumen de: EP4632107A1

A method for producing hydrogen gas from non-purified water via sulphur depolarized electrolysis (SDE), said method comprises the steps of providing at least one electrochemical cell (2), which comprises at least one positive electrode (A) and at least one negative electrode (C), separated by a proton conductive membrane (3), non-purified water supply means (51) configured to supply non-purified water to the cathode, sulphur dioxide supply means (S2) configured to supply sulphur dioxide to the anode, electrical connecting means (4) configured to connect the anode (A) and the cathode (C) to an external power source (P), supplying non-purified water to the cathode, supplying sulphur dioxide to the anode, applying a voltage of at least 0.45 V and up to 1.37 V to the electrodes (A, C) to cause an electrolysis reaction that produces hydrogen gas at the cathode and sulphuric acid at the anode, removing produced hydrogen gas from the cathode and produced sulphuric acid from the anode.

GAS MANAGEMENT SYSTEM FOR AN ELECTROCHEMICAL CELL

Resumen de: EP4632108A1

A gas management system includes an anodic chamber, a cathodic chamber, and a membrane assembly configured to remove bubbles from an electrochemical cell to increase hydrogen generation of the electrochemical cell. The membrane assembly includes a first outer layer arranged between the cathodic chamber and the anodic chamber, a second outer layer arranged between the first outer layer and the cathodic chamber, and a spacer layer arranged between the first outer layer and the second outer layer.

IMPROVEMENTS RELATING TO HYDROGEN ELECTROLYSIS SYSTEMS

Resumen de: CN120187948A

A hydrogen production system comprising a wind turbine facility comprising a wind turbine generator (18) connected to a hydrogen electrolyser (30) by a power converter system (22). A power converter system (22) includes a generator-side converter (24) and an electrolyzer-side converter (26) electrically coupled together by a DC link (28), and a converter controller (50) including a generator-side control module (50) coupled to the generator-side converter and an electrolyzer-side control module (52) coupled to the electrolyzer-side converter. The converter controller is configured to control the load torque on the wind turbine generator and the electrical power fed to the electrolysis cell to achieve a mechanical damping function associated with the wind turbine facility while maintaining a stable DC link voltage. Accordingly, advantageously, the wind turbine facility can achieve active control of the electromechanical damping system while operating the electrolysis cell at an effective operating point.

触媒及びその製造方法、触媒を含む金属空気二次電池用の電極又は水電解システム用の電極、並びに電極を含む金属空気二次電池又は水電解システム

Resumen de: US2024145732A1

Provided is a catalyst excellent in both oxygen reduction catalytic performance and oxygen evolution catalytic performance and making effective use of biomass, a manufacturing method thereof, an electrode for a metal-air secondary battery or a water electrolysis system containing the catalyst, and a metal-air secondary battery or a water electrolysis system containing the electrode.Provided is a catalyst containing a calcined product of a mixture including biomass-derived cellulose nanofibers and a dry matter containing proteins or amino acids, a manufacturing method thereof, an electrode for a metal-air secondary battery or an electrode for a water electrolysis system containing the catalyst, and a metal-air secondary battery or a water electrolysis system containing the electrode.

FUEL SUPPLY SYSTEM FOR A COMBUSTION ENGINE, SYSTEM COMPONENTS AND METHODS

Resumen de: EP4632214A1

The invention relates to generating fuel for an internal combustion engine such as a piston engine or a gas turbine. The invention relates to a system, apparatuses and methods for producing hydrogen and for hydrogen fuel enhancement. The invention relates in particular to an electrolyser that comprises an electrolyser housing enclosing an interior space that is adapted for containing a water reservoir. The electrolyser housing comprises a side wall and a top cover and a bottom cover that are tightly connected to the side wall. The electrolyser further comprises a plurality of elongate electrodes that extend from the bottom cover and/or the top cover into the interior space enclosed by the electrolyser housing. The electrodes are electrically isolated from the electrolyser housing and are electrically connected to electric conductors for feeding DC current to the electrodes. The electric connections are configured to connect electrodes acting as cathodes to a negative voltage terminal of a DC electric power source and to connect electrodes acting as anodes to a positive voltage terminal of a DC electric power source..The invention further relates to a method of producing hydrogen enhanced hydrocarbon fuel comprising the steps of.- producing hydrogen from water by means of an electrolyser- vaporizing hydrocarbon fuel- mixing the hydrogen and the vaporized hydrocarbon fuel- compressing the mixture of hydrogen and the vaporized hydrocarbon fuel, and- ionizing the compressed mixtu

電解システムの制御方法及び電解システム

Resumen de: JP2025155353A

【課題】製品としての水素の品質が低下してしまうことを抑制しつつ、陽極及び陰極を保護する。【解決手段】電解システムは、陽極を有する陽極室及び陰極を有する陰極室を備える電解槽と、電解槽の電解液の電気分解が進む通電方向に陽極及び陰極に電流を供給可能な整流器とを含む。電解システムの制御方法は、電解システムの運転停止中、通電方向に陽極及び陰極に保護電流を整流器によって供給することと、電解システムの運転停止中、陰極室に水素ガスを供給し、陽極室に酸素ガスを供給することとを含む。【選択図】図１

水电解槽装置的气体压力控制

Resumen de: US2025313974A1

The present disclosure relates to systems and methods for increasing efficiency and performance by balancing pressure in electrolytic cell. The present disclosure relates to systems and methods of utilizing different valves for controlling absolute pressure and differential in the electrolytic cell system based on hydrogen demand and the operating state of the system.

具有优异氨分解活性的用于氨分解反应的钌催化剂及其生产方法

Resumen de: WO2025170193A1

The present invention provides: a ruthenium catalyst for ammonia decomposition, the ruthenium catalyst having excellent ammonia decomposition activity; and a method for producing same. The ruthenium catalyst exhibits a conversion rate close to 100% at a reaction temperature of 550 °C, exhibits a conversion rate of at least 93.6% even at 500 °C, and exhibits a conversion rate of at least about 60%, even at a low reaction temperature of 450 °C, and thus has high activity, even in a large-scale decomposition process of a relatively low temperature, while having a low production cost, therefore making the ammonia decomposition process economical.

A separator for alkaline water electrolysis

Nº publicación: KR20250145709A 13/10/2025

Solicitante:

아그파게바에르트엔브이

Resumen de: US2023243054A1

A separator for alkaline electrolysis comprising a porous support (10) and a first (20b) and second (30b) porous layer provided on respectively one side and the other side of the porous support, characterized in that the porous support has a thickness (d1) of 150 μm or less and the total thickness (d2) of the separator is less than 250 μm. Also a method is disclosed wherewith such a separator may be prepared.