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744
results.
Updated on
14/09/2026 [07:03:00]
Results 125 to 150 of 744
Absstract of: KR102625221B1
The present invention relates to an offshore platform capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuels. According to the present invention, the offshore platform comprises: a main body located at sea; a hydrogen production unit disposed in the main body to produce and store hydrogen by electrolyzing seawater through a water electrolysis device; an ammonia production unit disposed in the main body and producing and storing ammonia by synthesizing the hydrogen flowing from the hydrogen production unit through a first synthesis device and nitrogen in the air; a carbon dioxide storage unit disposed in the main body and storing carbon dioxide flowing in from a ship; and a methanol production unit disposed in the main body to produce and store methanol by synthesizing the carbon dioxide flowing in from the carbon dioxide storage unit and the hydrogen flowing in from the hydrogen production unit through a second synthesis device.
Absstract of: WO2026171830A1
The present invention relates to a method (100) for regenerating an electrolysis system (200). The method (100) comprises: - introducing (101) a hydrogen-containing regeneration fluid into a cathode chamber (203) of the electrolysis system (200), - reversing (103) an electrical polarity of a cathode (205) and anode (209) of the electrolysis system (200) compared to a normal operation for electrolysis, so that hydrogen present in the cathode chamber (203) is oxidized, and hydrogen is formed in an anode chamber (207) of the electrolysis system (200), and - flushing out (105) the cathode chamber (203).
Absstract of: WO2026171654A1
An ammonia plant and a method for controlling the same at partial load, wherein the make-up gas for the synthesis of ammonia is produced from renewable power, wherein the plant includes an electrolysis section for the generation of hydrogen and a hydrogen storage, wherein a standby of the water electrolysis section is controlled by the amount of said renewable power and a standby of the ammonia synthesis loop is controlled by the amount of hydrogen contained in said hydrogen storage, and/or by the amount of renewable power available to the water electrolysis section.
Absstract of: WO2026173104A1
Provided is a method for decomposing water so as to obtain a hydrogen gas and an oxygen gas, the method including: a step (A) for electrolyzing an alkali metal hydroxide aqueous solution containing halide ions so as to generate a hydrogen gas at a cathode and to generate halic acid ions at an anode; and a step (B) for thermally decomposing at least some of a compound selected from the group consisting of the halic acid ions generated in step (A) and halic acid salts generated from at least some of the halic acid ions.
Absstract of: WO2026170256A1
The present disclosure relates to a method for providing thermal energy to a direct air capture system and a carbon capture system. The method for providing thermal energy to a direct air capture system comprises the steps of electrolysing H2O to split H2O into hydrogen and oxygen to produce a first waste heat; transferring the first waste heat to a first working fluid; passing the first working fluid through the direct air capture system to heat the sorbent; desorbing CO2 from the sorbent during heating; and evacuating the CO2 from the direct air capture system. The carbon capture system comprises a direct air capture system having a sorbent; an electrolyser adapted for electrolysing H2O and producing a first waste heat; a first fluid circuit; and a first fluid circuit pump connected to the first fluid circuit for pumping a first working fluid around the first fluid circuit.
Absstract of: WO2026171707A1
A process for the production of e-methanol, including the steps of: producing a stream of hydrogen (311) from water electrolysis (302); converting said stream of hydrogen (311) and a CO2 containing stream (313) in a methanol converter of a methanol synthesis loop (300) producing a stream of crude methanol (314) and optionally a stream of purge gas (50); purifying said stream of crude methanol in a methanol distillation section (301) producing a stream of light ends (33) and a stream of fusel oil (80); the process includes the step of producing a POX effluent (106) by performing a partial oxidation (POX) process to one or more of the following POX feed streams: said stream of light ends (33); said stream of fusel oil (80); said stream of purge gas (50); the invention further discloses a plant for production of e-methanol, a method for controlling a methanol plant and a method for revamping a methanol plant.
Absstract of: WO2026171584A1
A modular ammonia production plant with separate hydrogen compression is disclosed. The ammonia production plant comprises at least - a hydrogen production module comprising a hydrogen-containing substance inlet and a hydrogen outlet, - a nitrogen production module comprising an air inlet and a nitrogen outlet, - a hydrogen compression module comprising a primary hydrogen compressor and a nitrogen compression module comprising a nitrogen compressor or a joint compression module comprising a primary hydrogen compressor and a nitrogen compressor, the primary hydrogen compressor comprising a hydrogen inlet configured to be fluidly coupled to the hydrogen outlet of the hydrogen production module and a pressurized hydrogen outlet and the nitrogen compressor comprising a nitrogen inlet fluidly coupled to the nitrogen outlet of the nitrogen production module and a pressurized nitrogen outlet, - a merging station comprising a hydrogen inlet configured to be fluidly coupled to the pressurized hydrogen outlet of the primary hydrogen compressor, a nitrogen inlet configured to be fluidly coupled to the pressurized nitrogen outlet of the nitrogen compressor and a syngas outlet, the syngas containing hydrogen and nitrogen in a molar ratio 3:1, and - an ammonia synthesis module comprising: - an ammonia synthesis reactor comprising an inlet configured to be fluidly coupled to the syngas outlet of the merging station, and an ammonia-rich gas outlet; wherein the primary hydrogen compressor is
Absstract of: WO2026172460A1
Provided is an electrolytic cell that is used in a hydrogen production device for producing hydrogen from a conductive fluid which contains water, said electrolytic cell comprising: an ion exchange membrane which has a first main surface and a second main surface that is positioned oppositely from the first main surface in the thickness direction; an anode section which is disposed in contact with the first main surface and to which the conductive fluid is supplied; and a cathode section which is disposed in contact with the second main surface and which produces hydrogen from the water contained in the conductive fluid. The anode section and the cathode section each include: a separator which has a plate-shaped central section that is conductive and a plate-shaped outer peripheral section which surrounds the central section; and an electrode which is disposed between the central section and the ion exchange membrane so as to face the central section. Formed in the outer peripheral section of at least one of the anode section and the cathode section are: an opening through which the conductive fluid is supplied or which discharges the hydrogen; and a flow path which connects the opening and the central section. In the central section, a plurality of grooves connected to the flow path are formed with spacing therebetween in width direction. At least one recess is formed in an electrode facing surface, which is a surface of the central section that is positioned between the plu
Absstract of: WO2026172458A1
This electrolytic cell is used in a hydrogen production device for producing hydrogen from a conductive fluid containing water. The electrolytic cell comprises an ion exchange membrane, a cathode, and an anode. Each of the cathode and the anode includes: a separator unit that includes a separator part including a central section and an outer peripheral section surrounding the outer periphery of the central section, and a spacer part sandwiched between the ion exchange membrane and the outer peripheral section; and an electrode that has an outer periphery surrounded by the spacer part. An exhaust opening is formed in the outer peripheral section included in the cathode. A supply opening and a discharge opening are formed in the outer peripheral section included in the anode. A first gap is formed between the outer peripheral surface of the electrode included in the cathode and the inner peripheral surface of the spacer part included in the cathode, or a second gap is formed between the outer peripheral surface of the electrode included in the anode and the inner peripheral surface of the spacer part included in the anode.
Absstract of: AU2025345105A1
An electrolytic hydrogen production system coupled with capturing carbon dioxide from flue gas. The system comprises an absorption device (1), an electrolytic hydrogen production device (2), a first gas-liquid separation device (3) and a second gas-liquid separation device (4). The electrolytic hydrogen production device (2) comprises an anode chamber (21), an intermediate chamber (22) and a cathode chamber (23), which are separated by anion exchange membranes (24). In addition, the present invention further relates to a method for using the electrolytic hydrogen production system coupled with capturing carbon dioxide from flue gas. The method comprises: absorbing carbon dioxide from flue gas by using the absorption device (1); allowing the obtained absorption liquid to enter the anode chamber (21), so as to obtain a carbon-dioxide-containing gas-liquid mixture; allowing the gas-liquid mixture to enter the first gas-liquid separation device (3) to undergo separation, so as to obtain carbon dioxide and a first separation liquid; allowing the first separation liquid to enter the intermediate chamber (22), so as to realize the regeneration of the absorbent under the action of ion exchange; and returning the regenerated absorbent to the absorption device (1) again to continue the absorption of carbon dioxide.
Absstract of: US20260242314A1
0000 Process for the preparation of methanol comprising the steps of (a) preparing a hydrogen feedstock by electrolysis (b) providing a carbon oxide feedstock in periods of operating the electrolysis in step (a) (c) mixing at least part of the hydrogen feed and carbon oxide source consisting of carbon monoxide and/or carbon dioxide feed to obtain a methanol synthesis gas; (d) adjusting the molar content of hydrogen, carbon monoxide and/or carbon dioxide from step (c) to a module M of (H2−CO2)/(CO2+CO) to between 1.9 and 2.2 (e) converting the methanol synthesis gas in one or more boiling water reactors to methanol; in periods without operating the electrolysis in step (a) (f) interrupting the converting of the methanol synthesis gas in the one or more boiling water reactors by heat exchange with boiling water, wherein in step (f) the one or more boiling water reactors are heated by one or more auxiliary heaters to maintain boiling of the water in the one or more boiling water reactors.
Absstract of: US20260243230A1
0000 The invention relates to a system for generating energy in open water, in which an offshore wind turbine is releasably connected to a marine vehicle, which includes a transformer device for converting into lower and/or higher electrical voltage, an electrolysis device for generating hydrogen, and a tank for storing the hydrogen. The invention advantageously provides for dynamic changes between the operating modes of storage and transmission, redundancy and maintainability.
Absstract of: US20260242246A1
The present disclosure is directed to a geothermal hydrogen production and compression system, wherein the system comprises an impure water intake to receive water from a impure water source, at least one geothermal well having a well inlet to receive the impure water from the impure water intake in to the geothermal well and one or more well outlets adapted to return heated impure water from the geothermal well, one or more well outlets being adapted to direct the heated impure water from the geothermal well through a steam engine providing a mechanical output, a purification plant comprising one or more purification chambers for separating impurities from the heated impure water expelled from the steam engine to produce at least some fresh water, one or more discharge outlets to discharge one or more products of the purification plant wherein the fresh water is directed to an electrolyser for electrolysis to produce hydrogen gas, where the hydrogen gas is passed through a hydrogen compressor coupled to the mechanical output and pressurised in a storage apparatus.
Absstract of: US20260242958A1
0000 A ceramic reversible cell including any one or more selected from the group consisting of a perovskite-type metal oxide, a hydrate of the perovskite-type metal oxide and a hydride of the perovskite-type metal oxide, in which the any one or more selected from the group consisting of the perovskite-type metal oxide, the hydrate of the perovskite-type metal oxide, and the hydride of the perovskite-type metal oxide include A (A being any one or more selected from the group consisting of Ba, Sr and Ca), B (B being any one or more selected from the group consisting of Zr, Sn, Ce, Ti and Hf), and M (M being any one or more selected from the group consisting of In, Fe, Cr and Mn) as main metal atoms, and satisfy the predetermined formula and include hydride ions when brought into an equilibrium state by contact with dry hydrogen having a water content of 20 ppm or less in a volume ratio at 500° C. to 900° C.
Absstract of: WO2026172459A1
This electrolysis cell is used in a hydrogen production device for producing hydrogen from a conductive fluid containing water. This electrolysis cell comprises an ion exchange membrane, a cathode part, and an anode part. Each of the cathode part and the anode part includes: a separator unit that includes a separator part including a central part and an outer peripheral part surrounding the outer periphery of the central part, and a spacer part sandwiched between the ion exchange membrane and the outer peripheral part; and an electrode having an outer periphery surrounded by the spacer part. An exhaust port is formed in the outer peripheral part included in the cathode part. A supply port and a discharge port are formed in the outer peripheral part included in the anode part. A first gap is formed between an outer peripheral surface of the electrode included in the cathode part and an inner peripheral surface of the spacer part included in the cathode part. A second gap is formed between an outer peripheral surface of the electrode included in the anode part and an inner peripheral surface of the spacer part included in the anode part. The sum of the widths of the first gaps is greater than the sum of the widths of the second gaps.
Absstract of: WO2026172575A1
This electrolysis cell is used in a hydrogen production device for producing hydrogen from a conductive fluid containing water. The electrolysis cell comprises: an ion exchange membrane; an anode unit to which a conductive fluid is supplied; and a cathode unit that produces hydrogen from water contained in the conductive fluid. The anode unit includes: a separator including a conductive central section and an outer peripheral section; and an electrode disposed between the central section and the ion exchange membrane so as to face the central section. The outer peripheral section has formed therein: a first opening; and a plurality of supply flow paths which connect the first opening and the central section and through which the conductive fluid that was discharged from the first opening flows. The plurality of supply flow paths include: a first flow path having the shortest distance from the first opening to the point of connection with the central section; and a second flow path having the longest distance from the first opening to the point of connection with the central section. A first flow path length difference, which is the difference between the flow path length of the first flow path and the flow path length of the second flow path, is smaller than a first distance difference, which is the difference between the distance from the first opening to the point of connection of the first flow path with the central section and the distance from the first opening to the po
Absstract of: WO2026172118A1
Over the past decade, the importance of green hydrogen production has grown exponentially as the world increasingly seeks to reduce its dependence on fossil fuels. Green hydrogen is hydrogen produced using renewable energy sources, such as solar and wind power, and thus offers a carbon-free alternative to conventional fossil-fuel-based hydrogen production. Alkaline electrolyzers play a central role in green hydrogen production. This technology is one of the oldest and most mature methods of hydrogen production via electrolysis. Alkaline electrolyzers split water into hydrogen and oxygen in a liquid alkaline medium, typically a solution of potassium hydroxide (KOH) or sodium hydroxide (NaOH). The invention relates to the capture of carbon dioxide using am apparatus integrated with such an alkaline electrolyzer.
Absstract of: WO2026173101A1
The present invention relates to a method comprising: a step (A) for electrolyzing an alkali metal hydroxide aqueous solution which contains halide ions and which has a concentration of not less than 1 mol/L to produce hydrogen gas with a cathode and produce halogen acid ions with an anode; a step (B) for pyrolyzing at least some of a compound selected from the group consisting halogen acid ions produced in step (A) and a halogen acid salt produced from at least some of the halogen acid ions; and a step (C) for collecting, as an oxidizing agent, at least some of the halogen acid ions that were not pyrolyzed in the step (B).
Absstract of: WO2026173012A1
Provided is a water electrolysis system enabling mounting of a plurality of electrolytic cells while suppressing deterioration in maintainability. The present invention provides a water electrolysis system comprising a water piping base, a product piping base, and an electrolytic cell unit. The electrolytic cell unit includes an electrolytic cell, a water piping part, a product piping part, and a support. The support is configured to unitize the electrolytic cell, the water piping part, and the product piping part. The water piping part is configured to be connected to the water piping base at a first connection part to constitute water piping through which water to be introduced into the electrolytic cell can circulate. The product piping part is configured to be connected to the product piping base at a second connection part to constitute product piping through which a fluid containing the product discharged from the electrolytic cell can circulate. The electrolytic cell unit is configured to be removable from the water electrolysis system.
Absstract of: DE102025105819A1
Multifunktionselement (12c) für eine aus mehreren Zellstapelelementen (12) bestehende Elektrolysezelle (13) einer Elektrolysevorrichtung (10), bestehend aus einem Polymerschaum (22) und aus von dem Polymerschaum (22) auf-genommenen Metallpartikeln (24).
Absstract of: WO2026172697A1
The present invention provides a hydrogen gas production method and a hydrogen gas production device that make it possible to reduce the production cost of hydrogen gas and to efficiently produce hydrogen gas at a lower cost than in the past. Provided is a hydrogen gas production method that includes a decomposition step A for introducing ammonia into a decomposition tower (12) of an ammonia decomposition unit (10) to obtain a decomposed gas and a purification step B for separating residual ammonia and nitrogen gas from the decomposed gas at a purification unit (20A) to obtain purified hydrogen gas. The hydrogen gas production method is characterized by also including an ammonia heating step C for mixing off-gas that includes the residual ammonia and nitrogen gas separated from the decomposed gas at the purification step B with air, combusting the off-gas at a combustor (31) of an ammonia heating unit (30), and using the combustion heat of the combusted off-gas to heat the ammonia before the ammonia is introduced into the decomposition tower (12).
Absstract of: AU2026210694A1
A hydrogen station 10 includes a water electrolysis device 12 that produces hydrogen gas by an electrolytic reaction consuming power supplied from a commercial power network 90, a compressor 14 that compresses the hydrogen gas produced by the water electrolysis device 12, an accumulator 16 that accumulates the hydrogen gas compressed by the compressor 14, a dispenser 18 that fills a fuel cell vehicle 92 with the hydrogen gas accumulated in the accumulator 16, and a control device 20 that controls a power consumption amount of the water electrolysis device 12 on the basis of a command for adjusting supply and demand of power of the commercial power network 90. ul u l
Absstract of: EP4793410A2
0001 To provide a membrane electrode assembly which is excellent in strength and is capable of reducing the electrolysis voltage when applied to a water electrolysis apparatus, and such a water electrolysis apparatus. 0002 The membrane electrode assembly of the present invention is a membrane electrode assembly for use in a water electrolysis apparatus, comprising an anode having a catalyst layer, a cathode having a catalyst layer, and a polymer electrolyte membrane disposed between the anode and the cathode, wherein the polymer electrolyte membrane comprises a fluorinated polymer having ion exchange groups, and a woven fabric, the aperture ratio of the woven fabric is at least 50%, the denier number of warp yarns and the denier number of weft yarns, constituting the woven fabric, are each independently at least 2, a relation of Y≦240X-170 is satisfied, where the membrane thickness of the polymer electrolyte membrane is Y µm, and the ion exchange capacity of the fluorinated polymer is X meq/g dry resin, the membrane thickness Y of the polymer electrolyte membrane is at least 20 µm and at most 150 µm, and the density of the warp yarns and weft yarns constituting the woven fabric is at least 19.7 yarns/cm (50 yarns/inch).
Absstract of: WO2025048510A1
The present invention relates to a separator in which an anode catalyst layer is coated on one surface of a porous substrate, and an electrochemical cell comprising same, the separator allowing ions to smoothly move through pores of the porous substrate and exhibiting low overpotential due to having the anode catalyst layer coated on one surface thereof.
Nº publicación: EP4791924A1 19/08/2026
Applicant:
ASA ENERGIE GMBH [AT]
ASA-Energie GmbH
Absstract of: WO2025076572A1
The invention relates to an electrolytic reaction system (1) for producing process gases in the form of gaseous hydrogen and oxygen, comprising at least three electrode assemblies (2), each of which comprise a plurality of hollow cylindrical electrodes that are arranged coaxially to one another and are positioned one inside the other. At least three electrode assemblies (2) are uniformly distributed about a common central vertical axis (4), and a hollow cylindrical container wall (5) for receiving an electrolyte is provided for each electrode assembly (2). A cover element (7) is supported on the upper end face (6) of each of the container walls (5), and the cover element (7) has through-openings (8) which run in the vertical direction and which are designed to discharge process gases produced within the container walls (5). A collecting hood (9) is provided on the cover element (7) in order to combine process gases exiting the individual through-openings (8). An electromagnetic coil (10) which is designed in the form of a ring and comprises a central air core (11) is received by the cover element (7) or is mounted on the cover element (7) and is aligned such that the central vertical axis (4) of the at least three electrode assemblies (2) passes through the central air core (11).
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