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354
results.
Updated on
31/08/2025 [06:58:00]
Absstract of: 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).
Absstract of: 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.
Absstract of: WO2025176414A1
The invention relates to a method for operating an electrolysis plant (1, 20) comprising an electrolyzer (11) for generating hydrogen (H2) and oxygen (O2) as product gases. Water is supplied as a reactant and is split into hydrogen (H2) and oxygen (O2) on a proton-conducting membrane (21) made of a fluorine-free polymer (24), said polymer (24) comprising a non-functional polymer material having a functional hydrophilic group, wherein a product gas flow (5) is formed in a phase mixture comprising water (H2O) and a respective product gas, and a product gas flow is fed to a gas separator (3, 13) connected downstream of the electrolyzer (11). The release of an ionic decomposition product of the functional hydrophilic group of the membrane (21) is determined over the operating time, the time curve of the concentration of said decomposition product is determined, and a measurement of the operational degradation of the proton-conducting membrane (21) as a result of a release of the ionic decomposition product of the hydrophilic group is determined. The invention additionally relates to a corresponding electrolysis plant (1, 20) and to a measuring system for carrying out the method.
Absstract of: AU2025217260A1
Embodiments of the invention relate to systems and methods for producing hydrogen gas and/or liquid fuels using electrolysis. Embodiments of the invention relate to systems and methods for producing hydrogen gas and/or liquid fuels using electrolysis. ug u g m b o d i m e n t s o f t h e i n v e n t i o n r e l a t e t o s y s t e m s a n d m e t h o d s f o r p r o d u c i n g h y d r o g e n g a s a n d o r l i q u i d f u e l s u s i n g e l e c t r o l y s i s
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: US2025270717A1
Disclosed herein is a method for producing a platinum (Pt) decorated single-layer transition metal dichalcogenide (TMD) composite. The method includes steps of, (a) mixing single-layer TMD nanosheets with a reducing agent, K2PtCl4, and water to form a mixture, wherein the reducing agent and the K2PtCl4 are present in a molar ratio of 3:2 in the mixture; and (b) irradiating the mixture of step (a) for about 0.1-2 hrs to allow the growth of Pt nanoparticles on the single-layer TMD nanosheets thereby forming the Pt decorated single-layer TMD composite. Also disclosed herein is a method of producing hydrogen from an aqueous solution. The method includes electrolyzing the aqueous solution in an electrochemical cell characterizing in having an electrode made from the present Pt decorated single-layer TMD composite.
Absstract of: US2025270721A1
The invention provides a high-capacity, dry-charged, ready-for-instant-activation-by-adding-water, recyclable and safe electrochemical device and a method for producing hydrogen and electrical energy on demand, based on electrochemical interactions of magnesium, water and sulfuric acid, with an automatic control of the electrolyte's temperature, acidity and level inside the device.
Absstract of: US2025270710A1
A water electrolysis system includes: a water electrolysis device for electrolyzing water; a gas-liquid separator for performing gas-liquid separation of a mixed fluid of hydrogen gas and water, the mixed fluid being led out from the water electrolysis device; a dehumidifier for dehumidifying the hydrogen gas separated from the mixed fluid by the gas-liquid separator; a delivery path for delivering the hydrogen gas dehumidified by the dehumidifier; a humidifier for humidifying the hydrogen gas delivered through the delivery path; and a compression device for compressing the hydrogen gas humidified by the humidifier.
Absstract of: US2025270124A1
A process for treating waste materials and generating electrical power from simultaneously comprising reacting the waste materials during a reaction with fuel, oxygen and water, and then oxidizing the gaseous reaction product of those materials along with fuel, oxygen and water. In one embodiment the process further comprises the steps of electrolyzing the water exiting the process to produce hydrogen and oxygen, purifying both the hydrogen and oxygen streams, and then feeding the purified hydrogen and oxygen to hydrogen fuel cells to generate power.
Absstract of: US2025270722A1
Methods are for storing electricity and producing liquefied natural gas (LNG) or synthetic natural (SNG) and using carbon dioxide and for producing electricity, natural gas (NG) or SNG. The methods involve, starting from a water flow, producing an oxygen gas flow and a hydrogen gas flow by electrolysis in an electrolytic cell. A first hydrogen gas flow portion and a second hydrogen gas flow portion are obtained. The first hydrogen gas flow portion is allocated to a methanation step in the presence of carbon dioxide gas. A condensed recirculation water vapor flow is obtained to be allocated to the methanation step and performing methanation. The second hydrogen gas flow portion is allocated to a cooling and liquefaction step. A liquid hydrogen flow is obtained, which is stored in a liquid hydrogen tank.
Absstract of: US2025270151A1
A plant, such as a hydrocarbon plant, or synfuels plant, is provided, with effective use of various streams, in particular carbon dioxide and hydrogen. A method for producing a product stream, such as a hydrocarbon product stream, is also provided. The plant and method of the present invention provide overall better utilization of carbon dioxide and hydrogen, while avoiding build-up of inert components.
Absstract of: US2025270723A1
The invention relates to an electrolyser for generating hydrogen (H2) and oxygen (O2) as product gases, said electrolyser including an electrolysis module and a gas separator which is designed for phase separation of the product gas from water, the electrolysis module being connected to the gas separator via a product flow line for the product gas, and a return line, which connects the gas separator to the electrolysis module, being provided for the separated water. The gas separator is designed and positioned at a height difference (Δh) above the electrolysis module in such a way that, in the event of a standstill, the electrolysis module can be automatically flooded with water, driven solely by the height difference (Δh). The invention also relates to a method for operating an electrolyser including an electrolysis module, wherein, in a standstill mode, the electrolysis current is stopped, and a safety deactivation is initiated.
Absstract of: US2025270117A1
A water processing system includes an ultrafiltration membrane device (UF membrane device), a reverse osmosis membrane device (RO membrane device), an electric deionization device (EDI device), and an information processing device (edge computer). The information processing device controls operations of the ultrafiltration membrane device, the reverse osmosis membrane device, and the electric deionization device based on information on a water electrolysis device that obtains hydrogen by subjecting water to electrolysis. Water that is processed by the electric deionization device is supplied to the water electrolysis device. The water electrolysis device is able to obtain hydrogen by subjecting supplied water to electrolysis.
Absstract of: US2025270123A1
A process for treating PFAS containing waste materials comprising vaporizing the PFAS containing waste materials during a reaction with fuel, oxygen and water, and then oxidizing the gaseous reaction product of those materials along with fuel, oxygen and water to break the fluorine bonds and oxidize the remaining components to carbon dioxide and water. In one embodiment the process further comprises the steps of electrolyzing the water exiting the process to produce hydrogen and oxygen, purifying both the hydrogen and oxygen streams, and then feeding the purified hydrogen and oxygen to hydrogen fuel cells to generate power.
Absstract of: US2025273961A1
A carbon-free energy supply system generates hydrogen from electricity generated by a floating offshore photovoltaic power generation plant, synthesizes energy carriers using the hydrogen as a raw material, stores the energy carriers, converts the energy carriers into a predetermined energy form to supply the energy to each of the supply destination facilities. The floating offshore plant is composed of multiple photovoltaic panels, each of which is substantially hexagonal in plan view, by connecting the photovoltaic panels in a honeycomb structure in plan view. Each photovoltaic panel functions as a floating body, panel housings of the adjacent photovoltaic panels are capable of swinging relative to each other in a vertical direction, and each photovoltaic panel can be submerged and floated to a predetermined depth by pouring water into and draining water from the panel housing.
Absstract of: WO2025176298A1
Present invention relates to a method for the synthesis of ammonia, where a hydrogen (1) from an electrolyser (G) and a nitrogen (2) from a nitrogen production unit (D) are fed to a nitrogen-hydrogen mixture compression unit (A) and from there said mixture (3) is fed to an ammonia synthesis unit (B). Heat from steam-hydrogen steam from a electrolyser (G), heat generated during compression of the nitrogen-hydrogen mixture in the compressor stages of the nitrogen-hydrogen mixture compression unit, and heat released during the synthesis reaction in the ammonia synthesis unit, is used to generate steam for an electrolysis in the electrolyser. Liquid ammonia is separated from the circulation gas entering the separation unit from the steam generation unit using condensation at temperatures at an ambient environment temperature.
Absstract of: WO2024086793A1
The present disclosure provides a catalyst, methods of manufacturing the catalyst, and methods for using the catalyst for ammonia decomposition to produce hydrogen and nitrogen. The catalyst may comprise an electrically conductive support with a layer of one or more metal oxides adjacent to the support and at least one active metal adjacent to the layer. Methods are disclosed for deposition of metal oxide and active metal, drying and heat treatment. The method of using the catalyst may comprise bringing ammonia in contact with the catalyst in a reactor. The catalyst may be configured to be heated to a target temperature in less than about 60 minutes, by passing an electrical current through the catalyst. The method of using the catalyst may comprise bringing the catalyst in contact with ammonia at about 450 to 700 °C, to generate a reformate stream with a conversion efficiency of greater than about 70%.
Absstract of: EP4606931A1
The present disclosure relates to a hydrogen production control system and method, and a storage medium. The hydrogen production control system includes a safety controller, a first valve and a second valve respectively connected to the safety controller, a hydrogen-production controller, a third valve and a fourth valve respectively connected to the hydrogen-production controller, an oxygen-side gas-liquid separation apparatus respectively in communication with the first valve and the third valve, and a hydrogen-side gas-liquid separation apparatus respectively in communication with the second valve and the fourth valve, where the hydrogen-production controller is configured to control a pressure in the oxygen-side gas-liquid separation apparatus through the third valve, and control a liquid level in the hydrogen-side gas-liquid separation apparatus through the fourth valve; and the safety controller is configured to: when a hydrogen production parameter is greater than or equal to a preset parameter alarm threshold, adjust the pressure in the oxygen-side gas-liquid separation apparatus through the first valve, and/or adjust the liquid level in the hydrogen-side gas-liquid separation apparatus through the second valve. In this way, system safety is effectively ensured, and production efficiency is improved.
Absstract of: GB2638623A
A hydrogen production facility 10 and associated method of use is disclosed, comprising a plurality of electrolyser stacks 12. The stacks 12 are for electrolyzing water, generating a hydrogen-aqueous solution mixture. A hydrogen separator 2 arrangement is described for producing a flow of hydrogen from the hydrogen-aqueous solution mixture. The hydrogen separator 2 arrangement comprises a plurality of first stage hydrogen collector separators 20,22, where the first stage hydrogen collector separators are fluidly coupled to a respective sub-set of the plurality of electrolyser stacks. The plurality of first stage hydrogen collector separators 20,22 are also fluidly coupled to a downstream hydrogen buffer vessel 28. The hydrogen separator 2 arrangement may comprise one or more hydrogen coalescing devices 16. A pressure balancing line 24 can also be provided between oxygen 22 and hydrogen separators 20 - it may also extend between hydrogen 28 and oxygen buffer 30 vessels.
Absstract of: US2024133063A1
An electrolyzer system includes a vaporizer configured to store a first volume of liquid water and to vaporize water to humidify a cathode inlet stream of an electrolyzer cell module, a cold water tank positioned at a height greater than that of the first volume of liquid water and configured to store a second volume of water, and a valve configured to open and close. The water from the cold water tank is allowed to flow through the valve into the vaporizer when the valve is open.
Absstract of: GB2638621A
A hydrogen production facility 10 and associated method of use is disclosed, comprising a plurality of electrolyser stacks 12. The stacks 12 are for electrolyzing water, generating a hydrogen-aqueous solution mixture. A hydrogen separator 2 arrangement is described for producing a flow of hydrogen from the hydrogen-aqueous solution mixture. The hydrogen separator 2 arrangement comprises a plurality of first stage hydrogen collector separators 20,22, where the first stage hydrogen collector separators are fluidly coupled to a respective sub-set of the plurality of electrolyser stacks. The plurality of first stage hydrogen collector separators 20,22 are also fluidly coupled to a downstream hydrogen buffer vessel 28. The hydrogen separator 2 arrangement may comprise one or more hydrogen coalescing devices 16. A pressure balancing line 24 can also be provided between oxygen 22 and hydrogen separators 20 - it may also extend between hydrogen 28 and oxygen buffer 30 vessels.
Nº publicación: EP4605340A1 27/08/2025
Applicant:
SAUDI ARABIAN OIL CO [SA]
Saudi Arabian Oil Company
Absstract of: US2024194916A1
A hydrocarbon feed stream is exposed to heat in an absence of oxygen to the convert the hydrocarbon feed stream into a solids stream and a gas stream. The gas stream is separated into an exhaust gas stream and hydrogen. The carbon is separated from the solids stream as a carbon stream. Electrolysis is performed on a water stream to produce an oxygen stream and hydrogen. The oxygen and a portion of the carbon are combined to generate power and a carbon dioxide stream. At least a portion of the carbon stream, cement, and water are mixed to form a concrete mixture. The concrete mixture can be used to produce ready-mix concrete and precast concrete. Carbon dioxide used for curing the concrete can be sourced from the carbon dioxide stream produced by power generation.
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