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662
results.
Updated on
01/09/2024 [07:14:00]
Absstract of: WO2024175690A1
In a gas pressure balance method in an electrolyser system a predefined pressure difference between pressures in an oxygen gas separation tank and a hydrogen gas separation tank is maintained by controlled release of gases through an oxygen back pressure valve and a hydrogen back pressure valve. in a first step, for each of the oxygen back pressure valves and the hydrogen back pressure valves, a predefined, calibrated pilot gas pressure is generated and in a second step, the predefined, calibrated pilot gas pressures are forwarded to the respective back pressure valves and in a third step, hydrogen and oxygen gasses are released whenever the gas pressures in the hydrogen and oxygen separation tanks exceeds the predefined, calibrated pilot pressure in the respective pilot gas streams.
Absstract of: WO2024176994A1
This hydrogen carrier production system includes: a hydrogen production device which produces hydrogen; a hydrogen tank in which hydrogen produced by the hydrogen production device is stored; and a plurality of hydrogen carrier production devices in which hydrogen stored in the hydrogen tank is converted to different types of hydrogen carriers.
Absstract of: WO2024175965A1
The invention relates to a self-sustaining system for generating hydrogen or oxyhydrogen gaseous fuel, comprising electrolyser equipment linked to an electric power supply fed from renewable energy sources; the power supply is associated with an automatic current-voltage booster device and electric pulse modulator; said electrolyser includes plates attached to a water circulation circuit; the electrolyser separates into two components, hydrogen gas (H2) and oxygen gas (O2), both components (H2) and (O2) being mixed in an accumulator in order to form oxyhydrogen (HHO), or to obtain hydrogen gas (H2) and treated via a bubbler with an outlet conduit to the different utilities, such as: burners, boiler, motor, and stationary combustion installations.
Absstract of: WO2024174514A1
The present invention provides an electrolytic cell hydrogen production system, and an electrolytic cell temperature control method. A heat exchanger in the electrolytic cell hydrogen production system receives a cooling liquid conveyed by a cooling liquid conveying pipeline, receives an electrolyte conveyed by an electrolyte conveying pipeline, and exchanges heat of the cooling liquid and the electrolyte. An electrolytic cell executes a hydrogen production reaction operation according to the electrolyte outputted from the heat exchanger to obtain a reaction product, and outputs the reaction product. A cooling liquid flow adjusting device adjusts the flow of the cooling liquid in the cooling liquid conveying pipeline. When the outlet temperature of the electrolytic cell is within a preset temperature range, a controller obtains a target inlet temperature of the electrolytic cell by calculation on the basis of the outlet temperature of the electrolytic cell. If the temperature difference between an inlet temperature and the target inlet temperature is greater than a threshold, the flow of the cooling liquid in the cooling liquid conveying pipeline is adjusted by means of the cooling liquid flow adjusting device, so that the temperature difference is not greater than the threshold, thereby meeting the temperature control requirement of the electrolytic cell.
Absstract of: US2024291011A1
Methods for forming aqueous solutions including iron hexacyanides are described. Such aqueous solutions can have ferrocyanide/ferricyanide concentrations higher than previously observed or employed, and such solutions can have application to energy storage systems.
Absstract of: AU2023230619A1
Production of fuels from low carbon electricity and from carbon dioxide by the use of a solid oxide electrolysis cell (SOEC) and Fischer-Tropsch is shown. Fischer-Tropsch is an exothermic reaction that can be used to produce steam. Steam produced from the Liquid Fuel Production (LFP) reactor system, where the Fischer-Tropsch reaction occurs, is used as feed to the SOEC. The higher temperature steam improves the efficiency of the overall electrolysis system. The integration of the LFP steam improves the efficiency of the electrolysis because the heat of vaporization for the liquid water does not have to be supplied by the electrolyzer.
Absstract of: AU2023213230A1
A system and method for producing hydrogen wherein the system comprises at least one electrolyzer adapted to be located within a subterranean formation, at least one electrical supply cable having a length selected to extend from the at least one electrolyzer to a ground surface power supply, at least one supply tubing string having a length selected to extend from the at least one electrolyzer to a water supply at the ground surface and at least one collection tubing string having a length selected to extend from the at least one electrolyzer to a collection location at the ground surface. The method comprises providing a well from a surface to an underground formation, locating at least one electrolyzer in the well, supplying the at least one electrolyzer with supply electricity, supplying the at least one electrolyzer with supply water, producing hydrogen gas at the electrolyzer and collecting and transporting the produced hydrogen gas to the surface.
Absstract of: US2024286105A1
An apparatus for producing ammonia using electric discharge of water according to an embodiment of the present invention includes a plasma decomposition reaction part configured to produce hydrogen (H2) and oxygen (O2) from water by supplying the water to plasma generated by using nitrogen gas (N2) as electric discharge gas and produce nitrogen monoxide (NO) and nitrogen dioxide (NO2) by allowing oxygen (O2) to react with nitrogen (N2), a thermal decomposition reaction part connected to a lower side of the plasma decomposition reaction part and configured to produce solid carbon and hydrogen (H2) by decomposing water and hydrocarbon by further supplying hydrocarbon or hydrogen to an additional supply port, and a synthetic catalyst part connected to the thermal decomposition reaction part and configured to produce ammonia (NH3) by synthesizing hydrogen (H2) and nitrogen monoxide (NO) separated from water.
Absstract of: US2024286063A1
Processes for producing and/or purifying hydrogen iodide (HI), including methods for removing iodine-containing species from a mixture including at least one iodine containing species and hydrogen iodide, as well as methods for removing elemental iodine and hydrogen triiodide from a mixture including at least one iodine containing species and hydrogen iodide.
Absstract of: US2024286090A1
An anion exchange membrane is made by mixing 2 trifluoroMethyl Ketone nominal (1.12 g, 4.53 mmol), 1 BiPhenyl (0.70 g, 4.53 mmol), methylene chloride (3.0 mL), trifluoromethanesulfonic acid (TFSA) (3.0 mL) to produce a pre-polymer. The pre-polymer is then functionalized to produce an anion exchange polymer. The pre-polymer may be functionalized with trimethylamamine in solution with water. The pre-polymer may be imbibed into a porous scaffold material, such as expanded polytetrafluoroethylene to produce a composite anion exchange membrane.
Absstract of: US2024287692A1
The object of the present invention is to provide an electrode having high durability and lower manufacturing costs and a method for manufacturing the same. An electrode comprising a coating that contains a mixed metal oxide on a valve metal substrate with an intermediate layer therebetween that contains an alloy that contains a titanium component and a tantalum component, wherein the molar ratio of metal elements in the mixed metal oxide is 35 to 48% for the total of an iridium element and a ruthenium element, 45 to 60% of a tin element, and 3 to 9% of a tantalum element, and the molar ratio of the iridium element to the total of the iridium element and the ruthenium element in the mixed metal oxide is 32 to 60% inclusive.
Absstract of: US2024287687A1
A hydrogen production system and a hydrogen production method include a heat source that can generate thermal energy at 600° C. or higher, a heat exchanger that heats steam by using a heating medium heated by the thermal energy, a high-temperature steam electrolysis device that produces hydrogen by using the steam heated by the heating medium, and a heating device that heats the high-temperature steam electrolysis device by using the heating medium heated by the thermal energy.
Absstract of: US2024287686A1
A hydrogen generating cell comprising an input electrode plate pair, an output electrode plate pair, an X plate electrode positioned adjacent the output electrode plate pair, and a plurality of intermediate electrode plates disposed between the input and output electrode plate pairs. A plasma torch is spaced apart from and inductively coupled to the input electrode plate pair. A pulsed DC voltage is applied to the plasma torch and X-plate, while a lower voltage pulsed DC is applied to the input and output electrode plate pair to cause generation of hydrogen gas from water in which the cell is immersed.
Absstract of: US2024287426A1
A system and apparatus for biomethanation and removing carbon dioxide from the methane comprises (a) a primary anaerobic digester adapted and arranged to generate a biogas mixture comprising methane and carbon dioxide from organic materials; (b) an electrochemical reactor adapted and arranged to capture carbon dioxide from the biogas as bicarbonate and to generate hydrogen by electrolytic water slitting, and (c) a biomethanation reactor adapted and arranged to convert the bicarbonate and hydrogen from the electrochemical reactor to methane. The electrochemical reactor also acidifies a saline process stream from the biomethanation reactor and returns the acidified process stream back into the biomethanation reactor for pH control in the biomethanation process.
Absstract of: US2024286894A1
Materials, kits, and methods are directed to controlling reactability of activated aluminum to produce hydrogen when exposed to water. For example, a moisture-stabilized material may be treatable with one or more additives to form a water-reactive source of hydrogen. The moisture-stabilized material may include a bulk volume including aluminum, at least one activation metal disposed along the aluminum within the bulk volume, the at least one activation metal more noble than the aluminum, and a salt along at least an outer surface of the bulk volume, the salt dissolvable in water to form an ion-containing solution at a rate faster than a reaction rate of water with the aluminum of the bulk volume.
Absstract of: US2024286893A1
The technology relates to a process and system for producing a gas comprising nitrogen (N2) and hydrogen (H2) in a reaction chamber of length L of a reactor. The process comprises injecting air and injecting hydrogen into the reactor and the combustion of a portion of the injected hydrogen with the oxygen from the air in the reaction chamber, in the presence of an overstoichiometric molar excess of hydrogen relative to the oxygen from the air. The combustion is supported by a flame produced by an air flow having a velocity v1 resulting from the injection of air, surrounded by a hydrogen flow having a velocity v2 resulting from the injection of hydrogen, with the velocity v2 being greater than v1.
Absstract of: US2024286982A1
Process for producing methane or methanol, said process comprising the steps of: i) conducting a solid renewable feedstock to a thermal decomposition step, this being a pyrolysis step or a hydrothermal liquefaction step, for producing: a first off-gas stream comprising hydrocarbons, a solid carbon stream, and optionally a first liquid oil stream; upgrading the first off-gas stream by conducting it to a hydro/deoxygenation (HDO/DO) step i.e. hydrodeoxygenation or deoxygenation step in which said HDO/DO step is conducted in the absence of steam, and a subsequent separation step, for generating water, a second liquid oil stream and an upgraded first off-gas stream; ii) conducting the first off-gas stream or the upgraded first off-gas stream to an olefin removal step, for generating a further upgraded first off-gas stream which is free of olefins; iii-1) conducting the first off-gas stream, or the upgraded first off-gas stream, or the further upgraded first off-gas stream, to a methanation step under the generation of steam for producing said methane; or iii-2) conducting the first off-gas stream, or the upgraded first off-gas stream, or the further upgraded first off-gas stream, to a steam reforming step for producing a methanol synthesis gas and subsequently conducting the methanol synthesis gas to a methanol synthesis step under the generation of steam for producing said methanol; iv) conducting steam, such as at least a portion of the steam generated in step iii-1) or iii-2),
Absstract of: US2024286975A1
The invention relates to a method for producing hydrocarbons including carrying out an electrolysis of water, where hydrogen and oxygen are produced and generating a carbon source, producing the hydrocarbons from the hydrogen and the carbon dioxide where at least some of the produced hydrocarbons are provided in the form of liquid hydrocarbons and an exhaust gas is formed together with the hydrocarbons. The method also includes separating the exhaust gas from the liquid hydrocarbons and recycling exhaust gas in that a reaction of the exhaust gas with the oxygen and/or water, whereby recycled products are formed which have carbon dioxide and/or carbon monoxide, water, and optionally hydrogen.
Absstract of: US2024291279A1
The invention is directed to a system and method for for producing energy on transportation routes. A road-based Solar System for production of hydrogen and electricity is provided. This is a novel decentralized system for production, storage, energy collection, conversion is disclosed comprising:a. System and method for converting solar energy to electrical energy;b. Means and methods for storing and/or transporting said electrical energy;c. System and for converting said electrical energy to a gas fuel;d. System and method for storing or transporting said gas fuel;The modules and units for converting solar energy to electrical energy are configured to be positioned above, adjacent on or a transportation network, thereby utilising the pre-existing road system and drastically reducing wasteful land use.
Absstract of: WO2024175227A1
An offshore wind turbine (1), comprising: a generator (5) for generating electrical power from wind power, a hydrogen production apparatus (10) for converting water (W) into hydrogen (H) by means of the generated electrical power, and a water-intake apparatus (15) for taking in water (W) from the sea (16) and/or an open water reservoir and supplying the water (W) to the hydrogen production apparatus (10), wherein the water-intake apparatus (15) comprises at least one UV-irradiation unit (22) for irradiating the water (W). By use of the at least one UV-irradiation unit, the water supplied from the water-intake apparatus to the hydrogen production apparatus can be treated with UV-light for providing an antifouling treatment.
Absstract of: CN118176326A
A novel polyelectrolyte multilayer coated proton exchange membrane for electrolysis and fuel cell applications has been developed for electrolysis and fuel cell applications. The polyelectrolyte multilayer coated proton exchange membrane includes a cation exchange membrane and a polyelectrolyte multilayer coating layer on one or both surfaces of the cation exchange membrane. The polyelectrolyte multilayer coating includes alternating polycationic polymer layers and polyanionic polymer layers. The polycationic polymer layer is deposited on and in contact with the cation exchange membrane. The top layer of the polyelectrolyte multilayer coating may be a polycationic polymer layer or a polyanionic polymer layer.
Absstract of: AU2022368740A1
Methods and systems for splitting one or more of water and carbon dioxide are disclosed. Exemplary methods can operate under substantially isothermal conditions. The methods can include use of a material including two or more spinel phases in a solid solution. The solid solution can include oxygen, aluminum, and one or more transition metals.
Absstract of: EP4421212A1
An object of the present invention is to provide an electrode assembly in which an electrolyte membrane is kept from being deteriorated with durability improved. The present invention provides a membrane electrode assembly including an anode electrode on one surface of an electrolyte membrane and a cathode electrode on the other surface thereof, characterized in that the anode electrode includes a porous substrate (A), the cathode electrode includes a porous substrate (B), and the porous substrate (A) and the porous substrate (B) has a total thickness more than 1,000 µm.
Absstract of: AU2022372236A1
A method of fabricating a catalyst on a substrate comprising: providing a substrate having a layer of metal thereon; and contacting the layer of metal with a corrosive solution to form the catalyst.
Nº publicación: GB2627434A 28/08/2024
Applicant:
HYDROGEN WAVES LTD [GB]
Hydrogen Waves Ltd
Absstract of: GB2627434A
A system, comprising: a plurality of electrolysis cells arranged in a cell stack 102, wherein the electrolysis cells are electrically connected in series and grouped into two or more cell groups (see figure 10, 104). Each cell group has an electrical contact at either end (see figure 10, 105, 107). An electrical circuit is also present with one or more switches (see figure 10, SW1,SW2, SW3), each switch coupled between the electrical contacts of a respective one of the cell groups. Each switch is configured to selectively disconnect the cell group from the cell stack by electrically bypassing the cell group via a lower resistance path. This then varies the number of active electrolysis cells (see figure 10, 104) in the cell stack 102. A controller 120 is configured to determine the number of active electrolysis cells based on a variable amount of direct current (DC) electrical energy supplied to the cell stack by an electrical energy source. The status of one or more switches is controlled based on the determination. The electrical energy source may be a renewable source of energy 114. The electrolyser cell may comprise a unitary cell stack. A battery may be used to store energy 136, controlled via management system 140.
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