Resumen de: WO2024256820A1
The present invention provides a method of controlling an electrolyser cell stack within a system having a fluid temperature control system, a current control system, a voltage monitoring system, monitoring/control systems for the temperatures of the fluid inlet and outlet, by controlling the current to a fixed value, calculating a temperature delta between the fluid inlet and outlet, and adjusting the fluid input temperature if the delta is greater than a threshold value. The present invention also provides a method of determining a stack operating condition is the temperature delta as measured above is lower than a threshold value. The present invention also provides a control device and computer program capable of executing the method as outlined above.
Resumen de: WO2024256503A1
The invention relates to a method for manufacturing an assembly for an electrochemical cell, wherein the assembly comprises at least the following structural components: a first plate (10; 10') for supplying and/or discharging fluid, a proton exchange membrane (42), a first electrode (31) arranged between the first plate and the proton exchange membrane, and a first gas diffusion layer (21) arranged between the first plate and the first electrode, and wherein the method comprises the steps of A) providing a base comprising only a portion of the structural components, in particular the first plate and/or the first gas diffusion layer; and B) assembling the assembly, wherein the assembling involves adding the remaining structural components; or the steps of a) providing a base that is different from the structural components; and b) assembling the assembly, wherein the assembling involves adding the structural components; wherein a casing is formed by applying one or more layers of moulding material (70-72) to the provided base, a strength of this moulding material increases after said application, and at least one layer of the moulding material forming the casing or at least a circumferential section of the casing is applied before step B) or b). The invention also relates to an electrochemical cell, in particular a fuel cell or electrolysis cell, a cell stack with cells of this type, as well as a method and a system for manufacturing assemblies for cells or cell stacks of thi
Resumen de: WO2024257054A1
The invention relates to an ion-conducting membrane (10) for an electrochemical device, said membrane comprising a layer of a material comprising: - 5% to 30% by weight of a polymer binder and - 70% to 95% by weight of a powdered ceramic, the powdered ceramic comprising ceramic doped with yttrium oxide and/or ceramic doped with cerium oxide. The invention can be used to produce a non-porous membrane for low-temperature electrolysis (0°C to 150°C).
Resumen de: WO2024088907A2
The present invention relates to stack module with at least one Solid Oxide electrolysis stack that comprises a plurality of stacked Solid Oxide electrolysis cells, wherein the stack module comprises two gas inlet connections and two gas outlet connections. According to the invention, the at least one Solid Oxide electrolysis stack is encapsulated in a metal container, wherein the two gas inlet connections and the two gas outlet connections are attached to the metal container. The invention further relates to Solid Oxide Electrolyzer with at least one stack module and a method of exchanging a stack module of a Solid Oxide Electrolyzer.
Resumen de: EP4729659A1
The present application provides a bipolar plate, an end plate and an alkaline electrolyzer. The positions of a first alkali liquor inlet through hole group and a second alkali liquor inlet through hole group are rationally arranged at the bottom of an electrode frame, such that when the bipolar plate is applied to the alkaline electrolyzer, alkali liquor firstly enters a first alkali liquor inlet channel formed by first through holes of the first alkali liquor inlet through hole group and a second alkali liquor inlet channel formed by first through holes of the second alkali liquor inlet through hole group from one end of the alkaline electrolyzer. After arriving at the other end of the alkaline electrolyzer, the alkali liquor enters individual electrolysis cells from second through holes of the first alkali liquor inlet through hole group and second through holes of the second alkali liquor inlet through hole group, so as to realize uniform distribution of the alkali liquor, and solves the problem of the uneven distribution of the alkali liquor caused by the excess length of an electrolyzer body of a large alkaline electrolyzer, thus preventing the operating conditions of the alkaline electrolyzer from getting worse, improving the efficiency of hydrogen production, and finally achieving the purpose of saving the electric energy consumption of the alkaline electrolyzer.
Resumen de: AU2024257970A1
Process for synthesis of ammonia wherein: ammonia make-up gas (7) containing hydrogen and nitrogen is reacted in an ammonia converter (15) under ammonia forming conditions thus obtaining an ammonia-containing effluent (8); a first hydrogen portion contained in the ammonia make-up gas (7) is produced by reforming a hydrocarbon source (1) in a reforming process (100); a second hydrogen portion (19) contained in the ammonia make-up gas (7) is produced separately from said reforming process (100), by using at least a renewable energy source (SE, WE); a part of said hydrogen (19) produced in step (c) is stored in a hydrogen storage (103); hydrogen (20) from said hydrogen storage (103) is used to fully or partially replace said second hydrogen portion (19) when said renewable energy source (SE, WE) is fully or partially unavailable. Said process comprising the steps of: assessing an expected flow rate of the hydrogen (19) produced in step (c); adjusting a flow rate of the hydrocarbon source (1) so that a flow rate of the first hydrogen portion in said ammonia make- up gas (7) is in a desired ratio with respect to said expected flow rate; detecting an actual amount, e.g., a filling level, of said hydrogen in said hydrogen storage (103); detecting an actual flow rate of hydrogen produced using the renewable energy source (SE, WE), and adjusting a flow rate of the hydrogen (20) from said hydrogen storage (103) depending on said actual amount detected in said hydrogen storage (103) and
Resumen de: WO2025029154A1
The present invention relates to a system and method for generating and providing hydrogen to a combustion engine, and for controlling the generation and provision of hydrogen to a combustion engine; comprising a combustion engine; an electrolysis cell for converting water into hydrogen gas and oxygen gas, wherein the electrolysis cell is at least fluidly connected to the combustion engine; an electronic process control system is operatively connected to the electrolysis cell to control the generation of hydrogen gas and delivery of hydrogen gas to the combustion engine; and an enclosure comprising an explosion protection system and/or walls of glass fibre or carbon fibre reinforced thermosetting polymer or metallic material, and wherein the enclosure comprises at least part of the electronic process control system.
Resumen de: EP4729490A1
0001 One aspect of the present invention provides a system for manufacturing sodium hypochlorite and hydrogen gas, comprising: a desalination module generating a fresh water stream and a concentrated water stream by desalinating seawater; a crystallization module generating a solid raw material including sodium chloride by crystallizing the concentrated water stream; an electrolysis module generating sodium hypochlorite and by-product gas by electrolyzing reactants derived from the solid raw material and water; and a gas purification module generating hydrogen gas by purifying the by-product gas.
Resumen de: EP4729472A1
The invention relates to a method of converting methane from a natural gas field with simultaneous production of hydrogen and recovery of carbon dioxide. The method includes the steps of a steam reforming reaction of desulfurized methane in a co-electrolyzer (1), resulting in carbon monoxide and hydrogen; a water gas conversion reaction between carbon monoxide and water, resulting in carbon dioxide and additional hydrogen; a reaction between the carbon dioxide formed in step b) and water, resulting in an additional hydrogen molecule and a carbonate anion; a molten carbonate electrolysis reaction in which the carbonate anion CO32- is decomposed, producing oxygen, electrons and carbon dioxide, which is returned to the storage. In addition, the invention relates to the use of this method to store surplus energy from renewable energy sources.
Resumen de: EP4729657A1
0001 A method is described for generating hydrogen by means of a PEM cell and water electrolysis, wherein leads of a photovoltaic solar panel, through which the panel supplies an electrical voltage and current towards its outside, are electrically connected by electrical conductors to electrical supply terminals of a PEM electrolytic cell which is external to the panel and designed to operate directly with the electrical voltage and current as generated at the leads.
Resumen de: EP4729655A1
A layered bipolar plate (208) is provided that includes a steel layer (402) and a titanium layer (404). The steel layer (402), which is configured to be exposed to water and H2, is in contact to the titanium layer (404), which is configured to be exposed to water and 02. The titanium layer has an area that is smaller than the steel layer.
Resumen de: EP4729660A2
Provided herein are alkaline electrolyzer systems comprising one or more components that improve the performance, efficiency, and/or longevity of the system. For example, the alkaline electrolyzer system may comprise one or more of (1) a filtration component comprising one or more filtration media, (2) an ion exchange component comprising at least one ion exchange resin, (3) a corrosion inhibition component configured to introduce at least one corrosion inhibitor into the electrolyte solution, and (4) a chelating agent component configured to introduce at least one chelating agent into the electrolyte solution.
Resumen de: EP4729656A1
0001 A bipolar plate is provided that includes an inlet side, an outlet side opposite of the inlet side, a first side extending from the inlet side to the outlet side, and a second side parallel to the first side and extending from the inlet side to the outlet side. A perimeter is defined by the outer edges of the bipolar plate and an area is defined within the second perimeter. The perimeter is selected to reduce material in the bipolar plate. An electrolyzer stack is also provided.
Resumen de: JP2026068608A
0001 【課題】層間水和能、イオン交換能、可視光吸収能及び水分解能を兼ね備える新規物質を提供する。 【解決手段】酸硫化物層と層間イオンとの交互積層により構成されており、水分子が層間に挿入可能な層間水和能、及び層間イオンを異種イオンに交換可能な層間イオン交換能を備えており、かつ可視光を吸収して光触媒として機能する、層状酸硫化物とする。また、層状酸硫化物を含む可視光応答型光触媒、並びに層状酸硫化物を用いる水素及び/又は酸素の生成方法とする。 【選択図】なし
Resumen de: WO2025022382A1
The present invention relates to a process of producing hydrogen gas from water vapor in the presence of an alkali metal, which is being recycled through the process.
Resumen de: JP2026067592A
【課題】磁性流体を含有させた電解液を用いた水電解に際し、水素の製造効率が低下することを効果的に防止すること。【解決手段】それぞれ所定方向に延びており、磁性流体が含有された電解液に接触するように配置された一対の電極と、少なくとも前記電極のいずれか一方に一端側から磁場を印加する磁場印加手段と、陽極側の前記電極が配置される陽極領域、および、陰極側の前記電極が配置される陰極領域、の間に設けられ、イオン透過性を有する隔壁と、を備え、前記陽極領域において、陽極側の前記電極とカチオン性界面活性剤の添加された磁性流体が含有された電解液とを接触させる一方、前記陰極領域において、陰極側の前記電極とアニオン性界面活性剤の添加された磁性流体が含有された電解液とを接触させる、水電解装置。【選択図】図1
Resumen de: JP2026067535A
0001 【課題】重水を基にヘリウムガスを製造することができるヘリウムガス製造方法を提供する。 【解決手段】ヘリウムガス製造方法は、アノード室2と、カソード室3と、アノード室2とカソード室3との間に配置され、内部にイオン交換樹脂4Cが充填された中間室4とを備え、アノード室2と中間室4との間に第一陽イオン交換膜5、第二陽イオン交換膜5A及び正電極6、カソード室3と中間室4との間に第三陽イオン交換膜7及び負電極8がそれぞれ設けられ、第二陽イオン交換膜5Aが水素イオンを選択的に透過させる性質を有する膜であり、アノード室2側から中間室4に向けて第一陽イオン交換膜5、第二陽イオン交換膜5Aの順で配置された電解装置1によって、アノード室2又は中間室4に重水を流入させ、電気分解を行うことで、中間室4でヘリウムガスを発生させる。 【選択図】図1
Resumen de: WO2024088889A2
The invention relates to a pressure electrolyser (100) having a cell stack (10) comprising a plurality of electrolysis cells (12), and a pressure vessel (18) which is sealed from the ambient pressure and in which the cell stack is arranged. An internal seal (14) is arranged between two cell frames. The electrolysis cells (12) are clamped between a first stack end plate (22) and a further stack end plate (24). The pressure vessel has a pressure-resistant housing body (20), as well as the first stacking end plate (22) as top surface and the further stacking end plate (24) as base surface. At least one of the first stack end plate (22) or the further stack end plate (24) has an axial end plate projection (28), wherein an external seal (26) is clamped in the radial direction (Y) between the housing body (20) and a sealing section of the end plate projection (28). The sealing section has a cross-section which is inscribed in the cross-section of the working section and projects into the working section. The end plate projection (28) has a punch surface (23), which pushes the cell stack (10) in the axial direction (X).
Resumen de: JP2026066495A
0001 【課題】優れた触媒性能を示す二酸化炭素還元光触媒粒子の製造方法を提供すること。 【解決手段】二酸化炭素還元光触媒粒子の製造方法であって、以下の工程;母材粒子の表面に金属銀粒子を助触媒として担持して助触媒担持母材粒子を作製する工程、及び前記助触媒担持母材粒子を含む分散液に超音波を照射して二酸化炭素還元光触媒粒子を作製する工程を含む方法。 【選択図】図4
Resumen de: US12503781B2
0000 Herein discussed is a method of producing carbon monoxide or hydrogen or both simultaneously comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a mixed-conducting membrane between the anode and the cathode; (b) introducing a first stream to the anode, wherein the first stream comprises a hydrocarbon; and (c) introducing a second stream to the cathode, wherein the second stream comprises carbon dioxide or water or both, wherein carbon monoxide is generated from carbon dioxide electrochemically and hydrogen is generated from water electrochemically.
Resumen de: WO2024200434A1
The invention relates to a membrane electrode assembly (1) for a water electrolysis cell, comprising an anode (2), a cathode (3) and a hydrocarbon membrane lying between the anode (2) and the cathode (3), further comprising a first gas recombination layer (5) which is arranged between the anode (2) and the hydrocarbon membrane (4), wherein the first gas recombination layer (5) comprises a noble metal (6), a ceramic material (7) and a proton-conductive polymer (8), and wherein a volume portion of proton-conductive polymer (8) is 24 to 84 volume %, in particular 35 to 75 volume % and in particular 46 to 65 volume %, based on the total volume of the gas recombination layer (5).
Resumen de: WO2026079330A1
The present disclosure provides a laminate having excellent durability, a catalyst layer for an electrolyte membrane, a catalyst-coated electrolyte membrane, a water electrolysis device, and a method for producing hydrogen. This laminate has, in the given order, (α) an ionomer layer containing a metal, a metal oxide, or both, (β) an electrolyte membrane, and (γ) an ionomer layer containing a metal, a metal oxide, or both, the laminate satisfying numerical formula (1) when measurement by cyclic voltammetry was performed using carbon on a cathode side and nickel on an anode side, with the redox current difference at 0.7 V defined as I0.7 and the redox current difference at 1.1 V defined as I1.1. (Formula 1) (1) 0.84 ≦ I1.1/I0.7 ≦ 1.13
Resumen de: US20260103379A1
Process A process for producing hydrogen gas from the catalytic cracking of ammonia. The process comprises the step of supplying a hydrogen containing recycle gas taken from downstream of an ammonia cracking reactor to one or more catalyst containing reaction tubes disposed within the ammonia cracking reactor. The invention may be used to provide hydrogen gas as a non-carbon containing fuel.
Resumen de: US20260103807A1
Power is provided to an electrochemical cell. The electrochemical cell includes an anode side and a cathode side. Hydrogen sulfide in a liquid state is flowed to the anode side. Providing power to the electrochemical cell facilitates electrolysis of the hydrogen sulfide to produce sulfur and protons on the anode side. Providing power to the electrochemical cell facilitates reduction of protons to produce hydrogen on the cathode side. A membrane separating the anode side from the cathode side prevents flow of hydrogen sulfide and sulfur from passing through the membrane while allowing hydrogen cations to pass through the membrane. Sulfur is flowed out of the anode side. Hydrogen is flowed out of the cathode side.
Nº publicación: WO2026076795A1 16/04/2026
Solicitante:
EVE HYDROGEN ENERGY CO LTD [CN]
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Resumen de: WO2026076795A1
Disclosed in the present application is a hydrogen generator, comprising a housing, and an electrolytic cell, an electrolyte tank, a gas-liquid separator and a purification device which are mounted in the housing, wherein a diaphragm of the electrolytic cell is an anion exchange membrane, and the electrolytic cell is in communication with the electrolyte tank by means of a pipe; the gas-liquid separator is provided with a first gas intake end and a third gas output end, and the first gas intake end is in communication with a first gas output end of the electrolytic cell by means of a pipe; and the purification device is provided with a second gas intake end, and the third gas output end is in communication with the second gas intake end by means of a pipe.