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947
results.
Updated on
18/03/2026 [07:08:00]
Absstract of: TW202513891A
The present disclosure relates to an electrode and a method for preparing the same. According to the present disclosure, an electrode for anion exchange membrane water electrolysis that can achieve improved electrochemical performance and also has excellent durability can be provided.
Absstract of: WO2025078381A1
The various embodiments of the present invention disclose a water electrolyser using alkaline medium, comprising: a first end plate and a second end plate and a plurality of cells stacked in-between the first and the second end plate. Each cell comprises an anode cell frame and a cathode cell frame, each cell frame further comprises a central opening, at least one inlet channel transversing through the cell frame, and at least one inlet pathway grooved in the cell frame for connecting the inlet channel to the central opening. The inlet pathway comprises an inlet orifice <b>characterized by</b> a minimum cross-sectional area in the inlet pathway. The cross-sectional area of the inlet channel in the stack is greater than the sum of the cross-sectional area of the plurality of inlet orifices in the stack by at least a predetermined factor, the predetermined factor being larger than 1 and smaller than or equal to 4.
Absstract of: WO2025053532A1
The present invention relates to a membrane electrode assembly manufacturing method comprising the steps of: (S1) forming a first catalyst layer on the other surface of a separation membrane having a first carrier film attached to one surface thereof; (S2) attaching a second carrier film to the other surface of the separation membrane on which the first catalyst layer is formed; (S3) removing the first carrier film attached to one surface of the separation membrane; and (S4) forming a second catalyst layer on one surface of the separation membrane from which the first carrier film is removed, wherein the second carrier film includes a first area corresponding to the first catalyst layer on the other surface of the separation membrane, and a second area, which is the remaining area that excludes the first area, and the second area of the second carrier film is coated with an adhesive on a surface facing the other surface of the separation membrane on which the first catalyst layer is formed.
Absstract of: CN119024088A
The invention provides a test system and method for evaluating an electrode for a hydrogen production electrolytic bath in a laboratory, and the test system at least comprises an electrode clamp which is used for clamping an electrode to be evaluated; the heat exchanger is connected to the electrode clamp, and electrolyte is preheated through the heat exchanger and then input into the electrode clamp; and a heating unit connected to the electrode holder to heat the electrode holder. According to the test system and method for the electrode for the hydrogen production electrolytic cell in the laboratory, the temperature of the electrode clamp and the electrolyte in the electrode clamp can be accurately controlled, the accuracy of the test result is improved, the energy consumption of the test system can be reduced, and the test efficiency is improved.
Absstract of: TW202508703A
The present disclosure relates to a method for preparing a nickel-based phosphide catalyst for oxygen evolution reaction in alkaline water electrolysis anode using sodium hypophosphite(NaH2PO2) substitution and pyrolysis.
Absstract of: TW202511178A
To provide: an ammonia-hydrogen mixed fuel production apparatus capable of stably obtaining hydrogen from ammonia even when there is a change in the required ratio of fuel; and a fuel supply system. An ammonia-hydrogen mixed fuel production apparatus 1010A comprises: an oxygen separation device 13 that separates oxygen (O2) 12 at a desired concentration from air 11; a reforming reactor 15 that converts ammonia (NH3) supplied from a raw material supply unit 14 into hydrogen (H2) by using the oxygen having the desired concentration from the oxygen separation device 13; and a gas component analyzer 17 that measures the concentration of one or both of hydrogen and ammonia in a reformed gas 16 from the reforming reactor 15.
Absstract of: WO2026048255A1
A water electrolysis cell and a water electrolysis system comprising: an ion exchange membrane; a cathode-side catalyst layer disposed on one side of the ion exchange membrane; an anode-side catalyst layer disposed on the other side of the ion exchange membrane; and a metal impurity removal layer disposed between the ion exchange membrane and the cathode-side catalyst layer and/or between the ion exchange membrane and the anode-side catalyst layer.
Absstract of: CN120004436A
The invention relates to the technical field of industrial solid waste comprehensive treatment, and discloses a water treatment method and system after secondary aluminum ash hydrogen production, and the method comprises the following steps: collecting hydrolysate after secondary aluminum ash hydrogen production to obtain high saline-alkaline ammonia nitrogen hydrolysate; carrying out ammonia-nitrogen separation on the high-salt-alkali ammonia-nitrogen hydrolysate to obtain a gas phase and a first-stage liquid phase; dissolving carbon dioxide in the first-stage liquid phase until a specified pH value is reached to obtain a second-stage liquid phase; dissolving carbon dioxide in the second-stage liquid phase until the specified pH value is reached to obtain a third-stage liquid phase; adding an extracting solvent into the third-stage liquid phase, dissolving carbon dioxide until the specified pH value is reached, and extracting and separating to obtain a fourth-stage liquid phase of an organic phase and a fourth-stage liquid phase of an inorganic phase; evaporating moisture of a fourth-stage liquid phase of the inorganic phase; and carrying out back extraction separation on the fourth-stage liquid phase of the organic phase to obtain an inorganic liquid phase and an organic liquid phase. By adopting the method, aluminum hydroxide and various valuable salts can be efficiently recovered, and the obtained product is rich and high in value.
Absstract of: WO2026048903A1
A titanium porous body according to the present invention comprises a powder sintered body and is formed in a sheet shape having a thickness of 200 μm or greater. In the titanium porous body, holes present in a cross-section extending along the thickness direction have an average aspect ratio of 3.2 or higher, the aspect ratio being calculated as a ratio of the thickness-direction length of a hole to the width-direction length of the hole, within a visual field measuring 200 μm × 200 μm in the cross-section.
Absstract of: AU2024328562A1
A reaction medium according to the present invention is characterized by having a chemical structure in which Mn is introduced into a composite iron oxide. It is preferable that this reaction medium is used in a method for producing hydrogen by thermally decomposing water. It is preferable that this reaction medium contains a composite metal oxide of Fe, Co, Ni, and Mn, contains a composite metal oxide of Fe, Ni, Mg, and Mn, or contains a composite metal oxide of Fe, Co, Mg, and Mn. A treatment method according to the present invention includes: a first step for thermally reducing the reaction medium; and a second step for bringing the thermally reduced reaction medium into contact with an object to be treated, thereby oxidizing the reaction medium and decomposing the object to be treated.
Absstract of: WO2026054154A1
According to one embodiment, a vehicle hydrogen generator having a hydrogen generation amount adjustment device may comprise a PEM water electrolysis stack for generating hydrogen by electrolyzing water, wherein the PEM water electrolysis stack includes: a water tank for storing water for generating hydrogen through electrolysis; an electrolysis cell for generating hydrogen by electrolyzing the water provided from the water tank; a water separator which removes moisture contained in the hydrogen provided from the electrolysis cell and which provides the removed moisture to the water tank; and a control unit electrically connected to the electrolysis cell and the water tank.
Absstract of: AU2026201235A1
WO 2021/16125 PCT/US2021/018596 The present invention provides a hydrodynamic pump, comprising: an upper hull enclosure adapted to float at a surface of a body of liquid; a liquid collecting chamber at least partially housed within the upper hull enclosure, the liquid collecting chamber adapted to confine liquid and gas at elevated pressure; a liquid pressurizing columnar conduit extending below the upper hull enclosure, the liquid pressurizing columnar conduit comprising an ingress orifice disposed outside the upper hull enclosure, an injection orifice opening into the liquid collecting chamber, and an interior wall defining a liquid pressurizing surface adapted to pressurize liquid in the liquid pressurizing columnar conduit when the hydrodynamic pump oscillates vertically in the body of liquid to inject liquid into the liquid collecting chamber; a first effluent conduit configured to drain liquid from the liquid collecting chamber and having an effluent port for discharging liquid from the first effluent conduit; and a first flow governor adapted to maintain a liquid pressure gradient between the liquid collecting chamber and the effluent port. WO 2021/16125 PCT/US2021/018596 eb e b
Absstract of: AU2026201234A1
WO 2021/168125 PCT/2021/018596 The present invention provides a wave engine, comprising: a buoy configured to rise and fall under an influence of a body of water; a hollow tube depending from the buoy and having a water ingress/egress mouth at a lower end and a water discharge spout at an upper end, and further comprising an interior including a wall defining a water accelerating surface adapted to eject water through the water discharge spout in response to an increasing hydrodynamic pressure within the interior of the hollow tube; a water collection reservoir in fluid communication with the water discharge spout; a first effluent conduit for diverting at least a portion of water collected in the water collection reservoir from the water collection reservoir; and a first electrical energy generator for converting an energy of a portion of water in the first effluent conduit into electrical energy. eb e b
Absstract of: AU2026201233A1
WO 2021/168125 PCT/US2021/018596 The present invention provide a method for manufacturing hydrogen, comprising: deploying a hydrodynamic pump to an ocean, the hydrodynamic pump including an inertial water tube comprising a constricting feature to pressurize ocean water, a pressurized fluid reservoir partially filled with ocean water transported from the ocean to the pressurized fluid reservoir via the inertial water tube, a turbine energized by a flow of pressurized ocean water exiting the pressurized fluid reservoir, an electrical generator coupled to the turbine, an electrolyzer, and a hydrogen tank; transmitting electrical energy from the electrical generator to the electrolyzer to generate hydrogen; and storing the hydrogen in the hydrogen tank. eb e b
Absstract of: US20260070025A1
Calcined or pyrolyzed metal compounds immobilized in membranes based on ionic liquids and/or eutectic solvents. The invention relates to new catalytic membranes synthesized from ionic liquids or deep eutectic solvents and oxidized or pyrolyzed immobilized metal compounds in the membranes. The use of these new catalytic membranes in oxidation/reduction reactions, for application in fuel cells and in water electrolyzers for hydrogen production, is described.
Absstract of: US20260074251A1
A fuel cell system including a fuel cell module having an anode inlet configured to receive an anode inlet stream including fuel and an anode outlet configured to output an anode exhaust stream including carbon dioxide and steam, a solid oxide electrolysis cell module configured to receive waste heat and a first portion of the anode exhaust stream from the solid oxide fuel cell module and output an electrolysis output stream including hydrogen and carbon monoxide, wherein at least a portion of the electrolysis output stream is redirected to become a component of the anode inlet stream of the fuel cell module, and a controller configured to operate the solid oxide electrolysis cell module at an endothermic current density
Absstract of: US20260070783A1
The disclosure relates to systems and methods for the production of hydrogen (H2) from ammonia (NH3) in a membrane reactor that include using ammonia as a sweep gas. Ammonia is converted to hydrogen and nitrogen (N2), and the hydrogen is separated from the nitrogen and unreacted ammonia by passing the hydrogen through a hydrogen-permeable membrane while using ammonia as a sweep gas. The ammonia sweep gas can be separated from the permeated hydrogen and continuously recycled.
Absstract of: US20260070826A1
A produced water stream in a GOSP is pretreated to remove total suspended solids, emulsified oil, total organic carbon, chemical organics and inorganics, and biodegradable matter. The pretreated produced water stream is further processed to remove hydrogen sulfide gas, which is split in an electrolysis cell to produce hydrogen, sulfur, and water. Following this, bromine gas is removed. The pretreated produced water stream, after the removal of hydrogen sulfide and bromine gas, is further treated using CO2 to produce several minerals. The pretreated produced water stream, after mineral production, is desalinated to produce fresh water and a reject stream. Several valuable chemicals are produced from the reject stream. This process recovers valuable minerals and chemicals from a produced water stream in a GOSP.
Absstract of: US20260071336A1
A system for producing hydrogen gas comprising: a heat exchanger module; the heat exchanger comprising: a warming module; and a boiler; a converter module; the converter module comprising a superheater, vaporizer, and/or compressor; an electrolyzer in communication with the converter module; and the electrolyzer in communication with the heat exchanger module. A method for producing hydrogen gas comprising: passing a working fluid into a heat exchanger module comprising warming module and a boiler to form a vapor-phase working fluid; passing the vapor-phase working fluid into a converter module comprising a superheater, vaporizer, and/or compressor to form a converted working fluid; passing the converted working fluid into an electrolyzer to form hot hydrogen gas and hot oxygen gas; passing the hot oxygen gas and/or hot hydrogen gas into the heat exchanger module.
Absstract of: US20260071342A1
There is provided a system comprising burning facility (101); a synthetic fuel production facility (102); a hydrogen production facility; and an oxygen production facility (114); wherein the oxygen production facility (114) is configured to feed the produced oxygen to the burning facility (101) for combustion of fuel at the burning facility (101) using the produced oxygen, and the burning facility (101) is configured to produce a CO2-rich flue gas based on the combustion of the fuel at the burning facility (101) using the produced oxygen, and the burning facility (101) is configured to feed the produced CO2-rich flue gas to the synthetic fuel production facility (102) for capturing the CO2 generated at the combustion in a fuel synthesis.
Absstract of: US20260071341A1
A hydrogen production system includes: an electrolysis module that supplies steam to a hydrogen electrode including a metal component and produces hydrogen through steam electrolysis; a hydrogen storage facility that stores generated hydrogen; a steam supply unit that supplies steam to the hydrogen electrode; a regulation unit that regulates a supply amount of the hydrogen supplied from the hydrogen storage facility to the hydrogen electrode and a supply amount of the steam supplied from the steam supply unit to the hydrogen electrode; and a control device for controlling the regulation unit to switch a heating medium supply state in which a heating medium is supplied from a heating medium supply unit to the hydrogen electrode to a steam supply state in which steam is supplied from the steam supply unit to the hydrogen electrode, in response to the electrolysis module exceeding a first switching temperature when activating the electrolysis module.
Absstract of: WO2026055325A1
A system for producing hydrogen gas comprising: a heat exchanger module; the heat exchanger comprising: a warming module; and a boiler; a converter module; the converter module comprising a superheater, vaporizer, and/or compressor; an electrolyzer in communication with the converter module; and the electrolyzer in communication with the heat exchanger module. A method for producing hydrogen gas comprising: passing a working fluid into a heat exchanger module comprising warming module and a boiler to form a vapor-phase working fluid; passing the vapor-phase working fluid into a converter module comprising a superheater, vaporizer, and/or compressor to form a converted working fluid; passing the converted working fluid into an electrolyzer to form hot hydrogen gas and hot oxygen gas; passing the hot oxygen gas and/or hot hydrogen gas into the heat exchanger module.
Absstract of: WO2026054606A1
The present invention relates to a porous water electrolysis separation membrane using a boron nitride compound. More specifically, the porous water electrolysis separation membrane comprises a porous polymer support and a boron nitride compound inserted into the inside of the porous polymer support or formed on a surface thereof. The water electrolysis separation membrane according to the present invention as described above exhibits excellent heat resistance and stability and has smaller pore sizes, thereby reducing the permeability of hydrogen and oxygen and achieving high hydrogen gas purity. In addition, with a reduced thickness, the water electrolysis separation membrane exhibits low sheet resistance and thus increases current density to improve electrolytic cell efficiency.
Absstract of: WO2026052657A1
The invention relates to an electrolysis system for electrolytically splitting water into hydrogen and oxygen, comprising an electrolytic cell (1) having an anode chamber (2) and a cathode chamber (3) that are separated from one another by a semipermeable barrier, and comprising an anode water circuit (4) which supplies the anode chamber (2) with water via an anode inlet (5) and which receives water from the anode chamber (2) via an anode outlet (6), wherein a gas-water separator (8) and a pump device (9) are disposed in the anode water circuit (4). The water from the cathode chamber (3) is received in a cathode water pathway (14) and fed into the anode water circuit (4), with a second gas-water separator (17) being disposed in the cathode water pathway (14) and an ion exchanger (10) for removing metal ions being disposed in the anode water circuit (4). A free-radical scavenger (20) is disposed in the cathode water pathway (14).
Nº publicación: WO2026053829A1 12/03/2026
Applicant:
AIR WATER MECHATRONICS INC [JP]
BALL WAVE INC [JP]
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Absstract of: WO2026053829A1
Provided is a device capable of producing high purity hydrogen gas. Provided is a method capable of producing high purity hydrogen gas. This hydrogen gas production device comprises a cathode, an anode disposed facing one side of the cathode, and a solid electrolyte member disposed between the cathode and the anode, the hydrogen gas production device being provided with a hydrogen gas recovery passage disposed on the other side of the cathode.
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