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一种电解槽及制氢设备

Resumen de: CN122610157A

0001 本发明涉及电解制氢技术领域，具体涉及一种电解槽及制氢设备，该电解槽中相邻的两个双极板之间形成电解空间；位于双极板一端的边框开设有进液通道，位于双极板另一端的边框开设有出液通道，进液通道和出液通道分别与电解空间连通且均沿边框的长度方向延伸；进液通道和出液通道均设有阻断机构，阻断机构能够保持或阻断相邻的电解空间对应进液通道和出液通道的连通。本发明所提供的电解槽及制氢设备在电解槽停机时，阻隔双极板两边的离子交换，可切断阴阳极之间通过碱液形成的反向电流回路，起到电解槽内部抵抗反向电流的效果，避免反向电流对电极材料造成不可逆损伤，大幅延长电极与电解槽使用寿命。

一种利用电解锰渣制备自支撑MnFeS-NF电极的方法和应用

Resumen de: CN122610172A

0001 本发明属于工业固废资源化利用与电催化材料制备技术领域，具体涉及一种利用电解锰渣制备自支撑MnFeS‑NF电极的方法和应用。所述制备方法为：将电解锰渣经干燥、研磨、过筛后采用硫酸溶液进行浸出，固液分离后得到含Fe、Mn离子的浸出液；将浸出液定容/调质，使Fe、Mn离子的总浓度为30~80mM，Fe：Mn的摩尔比为1:9~9:1，同时加入硫脲，得到电解液；以泡沫镍为工作电极、铂为对电极、RHE为参比电极组成三电极体系，以所得电解液进行电化学沉积，将工作电极洗涤、干燥，得到自支撑MnFeS‑NF电极。本发明实现了电解锰渣中多金属资源的高值化利用，所得电极表现出优异的OER催化活性和长期运行稳定性。

一种镍基析氧电极及其制备方法和应用

Resumen de: CN122610119A

0001 本发明公开了一种镍基析氧电极及其制备方法和应用，属于电解制氢技术领域。所述电极包括从内到外依次设置的：镍毡基底、钴铬尖晶石氧化物过渡层、镍铁层状双氢氧化物催化层。制备方法包括：制备钴铬溶胶，涂覆于镍毡基底后经惰性气氛煅烧形成过渡层；然后以镍盐、亚铁盐为原料，在添加表面活性剂和缓冲剂的纯水中，于常温常压下原位沉积形成催化层。本发明通过引入钴铬尖晶石过渡层，解决了高电流密度下镍毡基底腐蚀和催化层脱落的问题，电极在1000mA/cm<2>下可稳定运行超1500小时，衰减不足5%。同时，制备工艺绿色高效，无需有机溶剂和高温高压设备，制备周期短，适合大规模工业化生产。

バイオガス基盤の電気化学的水素抽出分離システム

Resumen de: WO2025071002A1

The present invention relates to a biogas-based electrochemical hydrogen extraction and separation system comprising a solid oxide fuel cell and a solid oxide water electrolysis cell, and a method for operating same. Specifically, the biogas-based electrochemical hydrogen extraction and separation system comprising a solid oxide fuel cell and a solid oxide water electrolysis cell is characterized by comprising: a fuel supply part for supplying biogas as fuel; a first reaction part for reforming the biogas supplied through the fuel supply part so as to generate a first reformed gas; a second reaction part for secondarily reforming the first reformed gas so as to generate a second reformed gas; a third reaction part for receiving the second reformed gas generated in the second reaction part and generating electricity; a fourth reaction part for receiving unreacted gas generated in the third reaction part and using the unreacted gas as fuel, and receiving steam generated in the third reaction part and generating hydrogen; and a power converter which receives the electricity generated in the third reaction part and supplies the electricity to the first reaction part and the fourth reaction part.

ELECTROCHEMICAL CELL STACK

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.

ELECTROLYTE RECOVERY DEVICE FOR REUSE AND ELECTROLYSIS SYSTEM COMPRISING THE SAME

Resumen de: KR20260126305A

0001a 재사용을 위한 전해액 회수장치 및 이를 포함하는 전해액 시스템이 개시된다. 본 발명에 따른 전해액 회수장치는 유체로부터 전해액을 포집하는 제1 다공체 및 포집된 전해액을 저장하는 저장부를 포함하는 하층, 하층의 제1 다공체를 통과한 유체를 열교환기를 사용하여 냉각하는 중층, 중층을 통과한 유체로부터 전해액을 포집하는 제2 다공체가 탑재된 상층 및 상층에서 회수된 전해액을 상기 저장부로 이동하도록 안내하는 회수유로를 포함한다.

ELECTROLYTIC HYDROGEN PRODUCTION SYSTEM COUPLED WITH CAPTURING CARBON DIOXIDE FROM FLUE GAS

Resumen de: 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.

PROCESS FOR THE PREPARATION OF METHANOL

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.

Hydrogen Supply System, Hydrogen Station, And Hydrogen Supply/Demand Management Method

Resumen de: 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

INTEGRATIVE SYSTEM FOR CENTRALISED OFFSHORE HYDROGEN PRODUCTION IN CONJUNCTION WITH A FLOATING GENERATION AND STORAGE UNIT

Resumen de: 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.

再生可能エネルギーの間欠性を克服し、カーボンニュートラル燃料の生産、貯蔵および供給を可能とする海上プラットフォーム

Resumen de: 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.

METHODS AND SYSTEMS FOR SYNGAS PRODUCTION

Resumen de: WO2026173620A2

The reverse water-gas shift (RWGS) reaction, which is used to convert H2 and CO2 into syngas (H2+CO) is performed using nonstoichiometric metal oxides. The RWGS reaction is performed in two separate steps, achieving both high conversion and high energy efficiency. The reaction may be performed in a single reactor or in multiple reactors arranged in series or parallel. This could be powered either by heat generated by distributed energy sources, concentrated solar thermal (CST) heat, heat from traditional energy generation sources, and/or waste electrical power.

METHANOL SYNTHESIS WITH HYDROGEN RECOVERY UNIT

Resumen de: US20260242313A1

0000 A methanol plant and a process for the production of methanol is provided. A hydrogen recovery section receives off-gas stream from the methanol synthesis section and outputs a hydrogen-rich stream, which is recycled upstream the methanol synthesis section.

A GEOTHERMAL HYDROGEN PRODUCTION AND COMPRESSION SYSTEM

Resumen de: 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.

CERAMIC REVERSIBLE CELL, AND STEAM ELECTROLYSIS CELL, FUEL CELL AND AMMONIA-PRODUCING CO-ELECTROLYSIS CELL EACH INCLUDING THE SAME

Resumen de: 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.

METHOD FOR OPERATING AN ELECTROLYZER, AND ELECTROLYZER

Resumen de: AU2025221792A1

The invention relates to a method for operating an electrolyzer (1) comprising an anode chamber (3) and a cathode chamber (5), in which water (H2O) is supplied as a reactant and hydrogen (H2) and oxygen (O2) are generated as product gases. On the anode side, the oxygen product gas, which also contains hydrogen as a foreign gas, is generated in a product flow out of the anode chamber (3) and is introduced into a horizontal anode-side collecting line (7) having a surrounding wall (11) and is removed via the collecting line (7), wherein water (H2O) is sprayed onto an inner surface of the surrounding wall (11) of the collecting line (7) so that the surrounding wall (11) is wetted with water and the inner surface is inerted. The invention additionally relates to an electrolyzer (1), in particular for carrying out the method.

CONTROLLING AN ELECTROLYZING PLANT FOR PRODUCING HYDROGEN AND OXYGEN

Resumen de: AU2025229653A1

The invention relates to a method for controlling an electrolyzing plant (10), comprising: providing electric energy from an electric power network (32) with a network AC voltage; rectifying the network AC voltage by a rectifying device (50, 52, 54, 56, 58, 60, 62, 64); supplying water to the electrolyzing device (34, 36); providing an AC filter current flow by an active filter device (100), wherein the AC filter current flow is controlled such that it conforms to network regulations of the electric power network; measuring the network AC voltage by using a voltage sensor (128) which provides a respective voltage sensor signal; comparing the voltage sensor signal with a first reference voltage value providing a comparing result; depending on the comparing result, causing the active filter device (100) to emit electric energy to or to receive electric energy from the electric power network.

Reversible solid oxide cell system using thermal battery

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.

AN AMMONIA PRODUCTION PLANT WITH HYDROGEN COMPRESSION

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

ELECTROLYTIC CELL, SEPARATOR, AND HYDROGEN PRODUCTION DEVICE

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

ELECTROLYTIC CELL AND HYDROGEN PRODUCTION DEVICE

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.

ELECTROLYSIS CELL AND HYDROGEN PRODUCTION DEVICE

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.

ELECTROLYSIS CELL AND HYDROGEN PRODUCTION DEVICE

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

CARBON DIOXIDE CAPTURE USING AN APPARATUS INTEGRATED WITH AN ALKALINE ELECTROLYZER

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.

WATER DECOMPOSITION USING ELECTRICITY AND HEAT IN COMBINATION

Nº publicación: WO2026173104A1 20/08/2026

Solicitante:

KYUSHU UNIV NATIONAL UNIV CORPORATION [JP]
\u56FD\u7ACB\u5927\u5B66\u6CD5\u4EBA\u4E5D\u5DDE\u5927\u5B66

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.