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789
resultados
Última actualización
15/09/2026 [08:08:00]
Resultados 150 a 175 de 789
Resumen de: US20260242965A1
An electrochemical cell stack includes a plurality of cells separated from one another by bipolar plates. Each cell is formed from two half-cells between which a membrane is arranged. The support frame describes a stepped shape with two adjacent cross-section regions. An edge of the membrane lies in a step formed by the cross-section regions and the porous transport layer of a half-cell extends into the step. The support frame includes at least one sealing arrangement and an electrically insulating sealing material. The sealing arrangement includes three sealing regions each having at least one sealing lip. A first sealing region and a second sealing region are assigned to the narrower of the two cross-section regions facing the membrane. A third sealing region on a side of the support frame facing away from the step and borders an opening of the support frame.
Resumen de: 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
Resumen de: 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
Resumen de: 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.
Resumen de: 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.
Resumen de: 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
Resumen de: 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.
Resumen de: 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).
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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).
Resumen de: 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.
Resumen de: 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).
Resumen de: 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).
Resumen de: WO2026172325A1
The invention relates to an electrolyser for producing dihydrogen via a water electrolysis reaction in a basic medium, the electrolyser comprising a block (20) comprising: - N electrolysis cells (10) connected to one another between two electrode plates, i.e. an anode plate and a cathode plate, - a circuit for flow of fluid arranged to deliver water to the block of cells, and - a power supply (32) intended to deliver a current to the block of cells with a view to generating a water electrolysis reaction. The electrolyser also comprises: - a voltage generator (34) configured, when it is active, to apply a backup voltage (Ts) across the electrode plates of the block of cells and - a control means configured to activate the voltage generator (34) when it detects the power supply (32) has been interrupted.
Resumen de: KR20260126304A
0001a 수전해용 분리판 및 이를 포함하는 수전해용 스택이 개시된다. 본 발명에 따른 수전해용 분리판은 매니폴드와 반응부의 사이에 유체를 이동 및 확산시키는 유동 확산부를 포함하고, 유동 확산부는 일면으로 돌출된 돌기부 및 타면으로 돌출된 홈부를 포함하되, 돌기부와 홈부가 격자무늬 형태로 배열된다.
Resumen de: KR20260126258A
0001a 본 발명은 열배터리를 이용한 가역 고체산화물전지 시스템에 관한 것으로, 모드에 따라 전력 또는 수소를 생산하는 가역 고체산화물전지와, 상기 가역 고체산화물전지와 연동하여 가스의 열을 축열하거나 축열된 열로 가스를 가열하는 열배터리를 포함하되, 상기 가역 고체산화물전지와 상기 열배터리는 핫박스 내에 설치될 수 있다.
Resumen de: 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.
Resumen de: EP4793391A1
0001 According to the present invention, an uncoated austenitic steel sheet for an alkaline water electrolysis separator is provided, comprising, by wt%: C: more than 0% and 0.04% or less, Si: more than 0% and 0.4% or less, Mn: more than 0% and 0.5% or less, Cr: more than 0% and 2.0% or less, Ni: 33% to 40%, Co: more than 0% and 4.0% or less, the balance of Fe and other inevitable impurities, wherein a value of the following Formula (1) is 0.83 or less, a surface roughness Ra value is 0.07 µm to 0.25 µm, and corrosion resistance is excellent in an alkaline environment. 9.0 − 0.2495 × Ni + 0.9 × Cr − 0.005 × Co
(wherein Ni, Cr and Co represent the content (wt%) of each element).
Resumen de: 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).
Resumen de: 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.
Resumen de: EP4741052A1
The present disclosure relates to an oxygen evolution reaction(OER) oxide catalyst for anion exchange membrane(MEM) water electrolysis doped with various metal atoms using a coprecipitation method, and a preparation method thereof.
Nº publicación: KR20260124681A 19/08/2026
Solicitante:
INTELLECTUAL FUTURE IP MAN CO LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC778\uD154\uB809\uCC98\uD4E8\uCC98\uC544\uC774\uD53C\uB9E4\uB2C8\uC9C0\uBA3C\uD2B8
Resumen de: KR20260124681A
본 발명은 원자력 발전소의 출력제어와 연계된 수소 생산 시스템 및 그 제어 방법에 관한 것이다. 시스템은 전력계통 운영자로부터 원전 출력제어 정보를 획득하고, 원자력 발전소의 발전 전력과 소내 소비전력에 기초하여 수전해 장치에 공급 가능한 전환가능전력을 산정하며, 계통 접속점에서 측정되는 순송전 전력이 목표 송전 전력을 추종하도록 복수의 전해 스택군의 소비전력을 제어한다. 복수의 전해 스택군은 빠른 부하 추종을 담당하는 저온 전해 스택군과 원전 2차계통의 증기를 이용하는 고온 전해 스택군을 포함할 수 있다. 고온 전해 스택군은 감발 전력이 없는 동안 원전 추기증기로 핫 스탠바이 상태를 유지하고, 감발 전력이 발생하면 열적 정지 없이 전해전력을 공급받을 수 있다. 감발 전력의 고주파 변동 성분은 저온 전해 스택군에, 저주파 지속 성분은 고온 전해 스택군에 배분될 수 있고, 부하전환 중 전체 수전해 소비전력이 목표값을 유지하도록 중첩 제어될 수 있다. 이에 따라 원전의 안정운전, 계통 출력제어 이행, 수소 생산효율 및 고온 전해 스택의 열적 안정성을 함께 향상시킬 수 있다.
BOPI
Sede Electrónica
