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HYDROXIDES MONOLAYER NANOPLATELET AND METHODS OF PREPARING SAME

Resumen de: US2025275533A1

Nanoplatelet forms of monolayer metal hydroxides are provided, as well as methods for preparing same. The nanoplatelets are suitable for use in antimicrobial compositions, for pressure treating lumber against wood rot, termites, and fungus, for water treatment for the removal of heavy metal contaminants, for the production of plasmonics devices, for the production of ore, or for the recovery of valuable metals in, e.g., fly ash ponds, mine tailings ponds, or other fluids containing the metal in ionic form. The nanoplatelet forms include copper hydroxide nanoplatelets.

A GEOTHERMAL HYDROGEN PRODUCTION SYSTEM

Resumen de: US2025277318A1

The present disclosure is directed to a geothermal hydrogen production system, comprising; a primary liquid circuit circulating a liquid into a geothermal well and returning heated liquid from a well head of the geothermal well, the primary liquid circuit passing through a desalination plant; a first turbine driven by the heated liquid to produce a first mechanical output; and a second turbine driven by the heated liquid to produce a second mechanical output, wherein the first mechanical output drives an electrical generator, configured to power an electrolyser generating hydrogen via electrolysis of fresh water, and the second mechanical output drives an air compressor to provide at least one of a first, a second and a third compressed air supply, wherein the first compressed air supply drives a supply pump to supply salt water to the desalination plant, the second compressed air supply drives a start-up pump to initiate the primary liquid circuit, and the third compressed air supply drives a fresh water pump to deliver fresh water from the desalination plant to the electrolyser.

DEVICES, SYSTEMS, AND METHODS FOR ADMINISTERING HYDROGEN GAS

Resumen de: AU2024209628A1

The invention provides devices, systems, and methods for providing hydrogen gas mixtures to a subject. The invention allows hydrogen gas mixtures to be provided at a rate that does not restrict normal or even elevated breathing.

METHOD FOR THE GENERATION OF HYDROGEN

Resumen de: AU2024224275A1

A process for the reaction of aluminium with water comprising the steps of adding aluminium metal to an aqueous solution comprising potassium hydroxide at a concentration of between 0.1M and 0.4M and a surfactant; agitating the mixture of previous step; and collecting generated hydrogen. A composition for use in such a process for reacting aluminium with water, comprising potassium hydroxide and a surfactant.

PURIFICATION OF ELECTROLYTIC HYDROGEN

Resumen de: AU2024230439A1

The present invention relates to a method for purifying a hydrogen stream polluted by water, oxygen and optionally nitrogen, said method comprising bringing the hydrogen stream to be purified into contact with a zeolite adsorbent material comprising at least one metal chosen from the metals from columns 3 to 12 of the periodic table of the elements, in zero-valent metal form, or in oxidized form or in reduced form, and recovering a purified hydrogen stream. The invention also relates to the use of a zeolite adsorbent material comprising at least one metal from columns 3 to 12 of the periodic table of the elements for the purification of hydrogen, and to the use of hydrogen thus purified in industrial processes.

PURIFICATION OF ELECTROLYTIC OXYGEN

Resumen de: AU2024230333A1

The present invention relates to a method for purifying an oxygen stream polluted by water, hydrogen and potentially nitrogen, said method comprising bringing the oxygen stream to be purified into contact with a zeolitic adsorbent material comprising at least one metal, in zero-valent metal form, or in oxidized form or in reduced form, and recovering purified oxygen streams. The invention also relates to the use of a zeolitic adsorbent material comprising at least one transition metal for the purification of oxygen, and to the use in industrial processes of oxygen thus purified.

CONTROL OF AN ELECTROLYSIS SYSTEM FOR PRODUCING HYDROGEN AND OXYGEN BY ELECTROLYSING WATER

Resumen de: AU2024318321A1

The invention relates to an electrolysis system (10) comprising a plurality of electrolysis devices (34, 36) which are connected to a power supply line (30), the electrolysis devices (34, 36) having a power supply unit (38, 40) and an electrolysis module (12, 14, 16, 18, 20, 22, 24, 26) coupled to the power supply unit, the power supply units of the electrolysis devices comprising a transformer (42, 44, 46, 48) and a rectifier unit (50, 52, 54, 56, 58, 60, 62, 64), the transformer having a primary winding (66, 68, 70, 72) and a secondary winding (74, 76, 78, 80, 82, 84, 86, 88) connected to an AC voltage side of the rectifier unit. According to the invention, the primary winding of the transformer of at least a first of the electrolysis devices (40) is designed to be adjustable in stages, and the rectifier unit of said electrolysis device is designed to be operated in an uncontrolled manner, the rectifier unit of the power supply unit of at least a second of the electrolysis devices being designed to be operated in a controlled manner depending on the electrical energy that can be provided by the energy source.

Pressurised Electrolyser

Resumen de: US2025277316A1

The present disclosure relates to an electrolyzer for generating hydrogen, the electrolyzer comprising: a housing comprising an electrolyte chamber; two electrodes for decomposition of electrolyte water, at least one of the electrodes being permeable to gases produced by the decomposition of electrolyte water, wherein the at least one permeable electrode has a first surface facing the electrolyte chamber and a second surface facing a first gas collection chamber; an electrolyte supply circuit for supplying electrolyte water to the electrolyte chamber; and a control unit and/or mechanical control for controlling a pressure drop across the at least one permeable electrode, between the electrolyte chamber and the first gas collection chamber.

A zero emission process for producing syngas

Resumen de: US2025276903A1

Process for producing syngas comprising the steps of:a) burning methane or natural gas with oxygen and optionally with water steam for producing flue gas comprising CO2 and H2O according to the following reaction:C⁢H4+2⁢O2→CO2+2⁢H2⁢O1b) cooling the flue gas coming from a) by heat exchange with a water stream which is thereby vapourised;c) condensing and removing water from the flue gas, coming from step b), thereby obtaining a mixture consisting essentially of CO2;d) carrying out an electrolysis of a steam stream in a solid oxide electrolytic cell (SOEC), whereby steam is split into oxygen gas and hydrogen gas according to the following reaction scheme:H2O(g)→H2+1/2⁢O22e) separating and drying hydrogen gasf) carrying out a reverse water gas shift reaction between CO2 coming from step c) with H2 coming from step e) according to the following scheme:CO2+H2→CO+H2O.3

METHOD FOR RECOVERING OF WASTE HEAT CREATED IN THE PRODUCTION OF GREEN AMMONIA

Resumen de: US2025276905A1

Method for recovering waste heat created in the production of ammonia, the method comprises the steps of(a) providing an ammonia synthesis gas including the steps of electrolysis of water or steam for the preparation of hydrogen and of adding a stream of nitrogen into the hydrogen;(b) converting the ammonia synthesis gas to ammonia;(c) recovering at least a part of waste heat from the electrolysis in step (a);(d) upgrading the waste heat from step (c) by heat recovered from one or more compressor stages discharge and/or waste heat created in the conversion of the ammonia synthesis gas in step (b) and/or waste heat from a turbine condenser utilizing steam generated in step (b); and(e) distributing the upgraded waste heat from step (d) to a downstream heat utilizing step.

ELECTROLYSIS PLANT AND PLANT NETWORK COMPRISING AN ELECTROLYSIS PLANT AND A RENEWABLE ENERGY PLANT

Resumen de: US2025279726A1

An electrolysis plant includes an electrolyzer and a circuit assembly which has an input for connecting to an external DC source and an output connected to the electrolyzer. The circuit assembly has a transformer with an inverter connected on the primary side and a rectifier connected on the secondary side, such that a direct current can be supplied to the electrolyzer. There is also described a plant network with a electrolysis plant and a renewable energy plant that is directly connected to the electrolysis plant.

SEAWATER ELECTROLYZER WITH OSMOTIC WATER SEPARATION

Resumen de: US2025277317A1

Disclosed are electrolyzer systems and methods that combine forward osmosis with electrolysis to produce hydrogen from a water source such as seawater. The systems can operate with low energy input through immersion in the water source or by flowing the water source past osmotic membranes of a system to establish osmosis and simultaneous electrolysis.

ENERGY SUPPLY SYSTEM FOR COUPLING TO A WIND TURBINE USED IN ISLAND MODE, AND METHOD FOR SUPPLYING THE WIND TURBINE WITH SOLAR ENERGY

Resumen de: AU2024291100A1

The invention relates to an energy supply system (20) for coupling to a wind turbine (30) used in island mode, wherein the wind turbine (30) is configured to operate an electrolysis system (11) for producing green hydrogen using wind energy, wherein the energy supply system (20) has a solar energy source (21), comprising a photovoltaic module (22) and/or a solar thermal collector (23), which is configured to supply the electrolysis system (21), in particular an enclosure (12) and water-conducting lines of electrolysis units of the electrolysis system (11), with thermal energy in the event of the absence of wind energy. The invention also relates to a corresponding method for supplying solar energy to a wind turbine (30) used in island mode.

IN-VEHICLE HYDROGEN GENERATION AND STORAGE SYSTEM FOR HYDROGEN (FUEL CELL ELECTRIC VEHICLE) POWERED TRANSPORT VEHICLES

Resumen de: EP4610397A1

The in-vehicle hydrogen generation unit represents a hydrogen production system designed specifically for Fuel Cell Electric Vehicles (FCEVs), marking a significant leap in sustainable transportation. During the electrolysis process, the byproduct oxygen is emitted into the atmosphere. Furthermore, the byproduct water generated during power generation using hydrogen is efficiently recycled back into the electrolysis system, creating a closed-loop and resource-efficient cycle. Notably, the electrolysis unit incorporates an integrated cooling system to maintain optimal operating temperatures during the electrolysis reaction.

WATER ELECTROLYSIS SYSTEM

Resumen de: EP4610400A1

A serially connected stack group is configured by serially connecting a plurality of water electrolysis stacks and at least one overcurrent interruption means, a series-parallel stack unit is configured by parallelly connecting at least three serially connected stack groups, and a water electrolysis stack group configured by serially connecting a plurality of the series-parallel stack units, is connected to a DC power supply.

MULTILAYER ION-EXCHANGE MEMBRANE FOR ELECTROLYSIS APPLICATIONS

Resumen de: WO2024137217A1

A new multilayer ion-exchange membrane comprising an ion-exchange membrane layer, a catalyst layer coated on a first surface of the ion exchange membrane, a first polyelectrolyte multilayer coated on the catalyst layer, and optionally a second polyelectrolyte multilayer coated on a second surface of the ion-exchange membrane for electrolysis applications has been developed.

SOLID OXIDE ELECTROLYZER WITH STACK MODULE AND METHOD OF EXCHANGING STACK MODULE OF SOLID OXIDE ELECTROLYZER

Resumen de: CN120202324A

The invention relates to a stack module having at least one solid oxide electrolysis stack comprising a plurality of stacked solid oxide electrolysis cells, in which the stack module comprises two gas inlet connections and two gas outlet connections. According to the invention, at least one solid oxide electrolysis stack is encapsulated in a metal container, with two gas inlet connections and two gas outlet connections connected to the metal container. The invention further relates to a solid oxide electrolyzer having at least one stacked module and to a method for replacing a stacked module of a solid oxide electrolyzer.

STACK MODULE, SOLID OXIDE ELECTROLYZER WITH STACK MODULE AND METHOD OF EXCHANGING STACK MODULE OF SOLID OXIDE ELECTROLYZER

Resumen de: CN120202324A

The invention relates to a stack module having at least one solid oxide electrolysis stack comprising a plurality of stacked solid oxide electrolysis cells, in which the stack module comprises two gas inlet connections and two gas outlet connections. According to the invention, at least one solid oxide electrolysis stack is encapsulated in a metal container, with two gas inlet connections and two gas outlet connections connected to the metal container. The invention further relates to a solid oxide electrolyzer having at least one stacked module and to a method for replacing a stacked module of a solid oxide electrolyzer.

Mitigating chloride ion oxidation during saline water electrolysis for hydrogen production and carbon dioxide mineralization

Resumen de: WO2024163636A1

The present disclosure relates to methods of sequestering CO2 comprising a first cathodic chamber, performing a first alkaline process, a first anodic chamber, performing a first acidic process, and dechlorinating a solution by contacting the solution with a dechlorinating agent. Also provided herein are systems comprising a first cathodic chamber and a first anodic chamber.

燃烧器

Resumen de: WO2024257430A1

The present invention reduces unburned ammonia when ammonia is used as fuel. A combustor (10) comprises: a burner (11) that injects fuel containing ammonia into a combustion space (S); and a refractory material (12) that defines at least a portion of the combustion space (S). The refractory material (12) blocks passage of combustion gas, and the refractory material (12) contains a catalyst (C), which decomposes ammonia into hydrogen and nitrogen, on a surface (1b) that defines at least a portion of the combustion space (S).

用于间歇性电力供应的电解槽系统

Resumen de: AU2024211141A1

The invention provides an electrolyser system (10) comprising a heat storage unit (14) and an electrolyser (16). The heat storage unit (14) comprises at least one heat source infeed. The electrolyser (16) comprises at least one electrolyser cell (20), a steam inlet and at least one off-gas outlet. The off-gas outlet is connected to the heat source infeed to heat the heat storage unit (14). The heat storage unit (14) is configured to use its stored heat to produce steam for feeding into the steam inlet and for generating electrical power, either one at a time or both at the same time. The invention also provides a system comprising an intermittent or variable electricity source (12) and an electrolyser system (10) as defined above. The intermittent or variable electricity source (12) can be configured to power the electrolyser (16) and to heat the heat storage unit (14) via a heating element, either both at the same time or individually.

INTEGRATED SYSTEM AND METHOD FOR USING LIQUID HYDROGEN FOR TRANSPORTATION AND POWER APPLICATIONS

Resumen de: WO2025178748A1

A system and a method are disclosed. The system includes a plurality of reversible energy conversion devices, a cryotank configured to store a liquefied fuel comprising hydrogen therein, a liquefier, and a fueling station for hydrogen-based vehicles. The cryotank, the liquefier, the plurality of reversible energy conversion devices, and the fueling station are fluidly connected. Each reversible energy conversion devices is individually controlled and is configured to reversibly convert hydrogen gas into electricity and convert electricity to hydrogen gas. The system also includes at least one interconnect configured to be connected with to a power grid, a data center, or an energy storage.

SYSTEM FOR PREPARING HYDROGEN AND OXYGEN MIXED COMBUSTIBLE GAS FROM WATER

Resumen de: WO2025175829A1

Disclosed in the present invention is a system for preparing a hydrogen and oxygen mixed combustible gas from water, comprising a water tank, a first storage tank, a second storage tank and an electrochemical reactor. The water tank is connected to a feeding port of the electrochemical reactor via a water pipe. The electrochemical reactor is provided with a first gas outlet and a second gas outlet, the first gas outlet being connected to the first storage tank via a pipe, and the second gas outlet being connected to the second storage tank via a pipe. The first storage tank and the second storage tank are separately connected to a main discharge pipe via pipes, and a discharge port of the main discharge pipe is connected to a fuel gas storage tank. The electrochemical reactor is connected to a control apparatus. The present invention has the beneficial effects of effectively reduced production cost, capability of having the properties of combustibility, high calorific value, combustibility in an oxygen-deficient state and the like, and no pollution after combustion such that the hydrogen and oxygen mixed combustible gas is a novel efficient and environment-friendly clean energy.

TWO-DIMENSIONAL MOLYBDENUM DISULFIDE NANO MATERIAL, PREPARATION METHOD THEREFOR, AND USE THEREOF

Resumen de: WO2025175519A1

Provided in the present application are a two-dimensional 1T-phase molybdenum disulfide nano material, a preparation method therefor, and the use thereof. The two-dimensional 1T-phase molybdenum disulfide nano material satisfies the following conditions: the monolayer ratio of the molybdenum disulfide is 97% or above, the content of the 1T-phase molybdenum disulfide represented by X-ray photoelectron spectroscopy is 90% or above, and the surface has defects. The monolayer ratio of the two-dimensional molybdenum disulfide nano material being 97% or above indicates that the proportion of monolayer molybdenum disulfide nanosheets in the nano material is very high; the mass content of the 1T-phase molybdenum disulfide being 90% or above indicates that the nano material has good metallicity; and meanwhile, the presence of defects on the surface of the nano material indicates that the nano material has good dispersibility in solvents and also has good electrocatalytic performance, especially having excellent electrocatalytic hydrogen evolution performance under an industrial current density; the catalytic performance of the nano material is better than that of commercial Pt/C and even can be kept stable for 100 h without deterioration; thus, the nano material is one of the most superior non-precious-metal hydrogen evolution catalysts at present.

A process for producing syngas using exogenous CO2 in the absence of carbon fuels

Nº publicación: US2025270461A1 28/08/2025

Solicitante:

POLITECNICO DI MILANO [IT]
Politecnico di Milano

Resumen de: US2025270461A1

A process for producing syngas with a H2/CO ratio of from 0.5 to 3.5, comprising:a) generating steam by burning hydrogen and oxygen in the presence of steam in a H2 burner,b) quenching the effluents from step a);c) conducting an electrolysis on steam from step b) in a solid oxide electrolytic cell (SOEC) thereby obtaining hydrogen and oxygen,d) cooling wet hydrogen gas coming from step c) and removing water by condensation;e) carrying out a reverse water gas shift reaction with hydrogen gas coming from step d) with CO2, coming from an external source, thereby obtaining syn gas;f) cooling wet syngas coming from step e) and removing water by condensation thereby obtaining dry syngas.