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ELECTROLYTIC CELL, ELECTROLYSIS TANK, AND METHOD FOR PRODUCING HYDROGEN

Resumen de: WO2026034402A1

This electrolytic cell comprises an element provided with: an anode chamber provided with an anode; a cathode chamber provided with a cathode; a conductive partition wall provided between the anode chamber and the cathode chamber; and an outer frame that borders the conductive partition wall. The electrolytic cell is stacked with a gasket and a diaphragm interposed between cells. Sealing of an electrolytic solution is achieved by applying surface pressure between the gasket and the diaphragm and between the gasket and the outer frame. The contact ratio between the diaphragm and a first electrode, which is at least one of the anode and the cathode, is 15%-60%, and a region in which the local stress between the diaphragm and the first electrode is 0.1 MPa or more is 5% or less.

암모니아를 촉매적으로 분해하는 플랜트의 시동

Resumen de: WO2025012271A1

The invention relates to a plant for preparing H2 by catalytically decomposing NH3. The plant according to the invention can be operated in a start-up mode in order to heat apparatuses of the plant to an increased operating temperature using a heat-transfer medium, e.g. following interruption of a continuous operation of the plant due to maintenance work. After heating to the operating temperature, the plant according to the invention can be operated in a production mode for continuous production of H2. The invention also relates to a method for starting up a plant for preparing H2 by catalytically decomposing NH3.

SOLAR-DRIVEN MOLECULAR SPLITTING WITH SURFACE-MODIFIED 3C-SIC MICROPARTICLES AND ASSOCIATED ELECTROLYSIS CELL

Resumen de: WO2026033097A1

The invention relates to the use of 3C-SiC microparticles having a carbon surface, for the solar-driven splitting of molecules.

전기화학 셀 및 전기화학 셀용 조립체를 제조하기 위한 방법 및 시스템

Resumen de: CN121359262A

The invention relates to a method for producing an assembly for an electrochemical cell, wherein the assembly comprises at least the following structural components: a first plate (10; 10 '), 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, having the following steps: A) providing a substrate having only a part of the structural component, in particular the first plate and/or the first gas diffusion layer; b) assembling the components, wherein the assembling comprises the step of adding residual structural components; or the following steps: a) providing a substrate distinct from the structural component; b) assembling the components, wherein the assembling comprises adding structural components; wherein the bezel is formed by applying one or more layers of a molding material (70-72) to the provided substrate, the strength of the molding material being increased after said application, at least one layer of the molding material forming the bezel or at least one surrounding section of the bezel being applied prior to step B) or b). The invention also relates to an electrochemical cell, in particular a fuel cell or an electrolytic cell, to a cell stack having a cell of this type, and to a method and a facility for producing an assembly for a cell or a cell stack of this type.

MEMBRANE ELECTRODE ASSEMBLY AND WATER ELECTROLYSIS CELL

Resumen de: CN120981610A

The invention relates to a membrane electrode assembly (1) for a water electrolyser, comprising an anode (2), a cathode (3) and a hydrocarbon membrane (4) located between the anode (2) and the cathode (3), further comprising a first gas recombination layer (5) arranged between the anode (2) and the hydrocarbon membrane (4), in which at least one adhesion layer (6) is arranged between the gas recombination layer (5) and the hydrocarbon membrane (4), wherein the adhesive layer (6) comprises at least one ceramic material (7) and a proton-conducting polymer (8).

POROUS TRANSPORT LAYER

Resumen de: CN121013921A

The invention provides a porous transport layer for an electrolytic cell or for a fuel cell, the porous transport layer comprising:-a first non-woven layer having metal fibres, the first non-woven layer having metal fibres being arranged for contacting a proton exchange membrane, wherein the first non-woven layer having metal fibers comprises metal fibers having a first equivalent diameter, and wherein the first non-woven layer having metal fibers has a first surface roughness and a first porosity; -a second non-woven layer having metal fibers, where the second non-woven layer having metal fibers comprises metal fibers having a second equivalent diameter, where the second non-woven layer having metal fibers has a second surface roughness and a second porosity, where the first surface roughness is less than 10 mu m, and the second surface roughness is less than 10 mu m. The first equivalent diameter is less than the second equivalent diameter, the first surface roughness is at least 20% less than the second surface roughness, e.g. In the range of 20% to 120%, where the first porosity is at least 10% less than the second porosity, e.g. In the range of 10% to 50%, and where the first nonwoven layer is metallurgically bonded to the second nonwoven layer.

METHANOL SYNTHESIS WITH HYDROGEN RECOVERY UNIT

Resumen de: WO2024208792A1

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.

HYDROGEN GAS GENERATION SYSTEM

Resumen de: CN120981421A

A hydrogen production system comprising: a first electrode having an electrocatalyst, a second electrode having an electron donor material comprising a plurality of active sites, the second electrode configured to release electrons from the active sites within a predetermined working potential range below a working potential triggering an oxygen evolution reaction; a first electrolyte in contact with the first and second electrodes, the electrolyte being a source of hydrogen protons; and a power source configured to provide the system with the predetermined operating potential range to release electrons from the second electrode and transfer electrons to the first electrode such that hydrogen protons combine with the electrons to produce hydrogen gas.

STEAM ELECTROLYSIS DEVICE AND STEAM ELECTROLYSIS METHOD

Resumen de: EP4692424A1

It is an object of the present invention to provide a steam electrolysis device and a steam electrolysis method, which have high energy efficiency. The present invention relates to: a steam electrolysis device, comprising an anode electrode chamber, a cathode electrode chamber, and an ion conductor disposed between these electrode chambers, wherein steam in an amount more than twice the amount of hydrogen generated is supplied to at least one selected from the anode electrode chamber and the cathode electrode chamber, and 50% or less of the supplied steam is electrolyzed; and a steam electrolysis method using the steam electrolysis device.

METHOD FOR PRODUCING OXYGEN CARRIER, METHOD FOR PRODUCING HYDROGEN, AND APPARATUS FOR PRODUCING HYDROGEN

Resumen de: EP4691992A1

Provided is a method for producing a highly active oxygen carrier at low cost, and a method for producing hydrogen and an apparatus for producing hydrogen using the highly active oxygen carrier.SolutionA method for producing an oxygen carrier of the present invention is a method for producing an oxygen carrier formed of an activated iron titanate containing an alkali titanate and an iron oxide by calcining a mixture of iron titanate particles and an alkali component. The mixture of the iron titanate particles and the alkali component is prepared by any of: physically mixing the iron titanate particles and an alkaline compound; and spraying an aqueous solution of the alkaline compound to the iron titanate particles or impregnating the iron titanate particles with the aqueous solution of the alkaline compound and then drying the sprayed or impregnated iron titanate particles.

ELECTROCATALYTIC MIXED IRON-VANADIUM OXIDE ELECTRODE, PRODUCTION METHOD FOR SAME AND ITS USES IN HYDROGEN PRODUCTION

Resumen de: EP4693486A1

The invention relates to an electrocatalytic electrode comprising a coating film on an electrically conductive base substrate that includes a non-stoichiometric mixed oxide dispersed in the film, including a mixture of iron and vanadium, in a metal-organic matrix, the organic part of which includes the mixed oxide dispersed therein. The electrocatalytic electrode can be used for the production of molecular hydrogen.The invention also relates to a method for producing the electrocatalytic electrode and the use of the electrocatalytic electrode for the improved production of molecular hydrogen by means of at least water hydrolysis, alkaline water electrolysis, alkaline electrolysis via ion exchange, as a selective electrode and as an electrode for the oxidation of organic compounds in an aqueous solution.

PROCESS FOR PRODUCING A HYDROGEN PRODUCT

Resumen de: EP4691968A1

A process (100) for producing a hydrogen product (20) from a feedstock stream (10), the process (100) comprising the following steps:- performing a combustion of a fuel gas (S11) to bring a heat input to the process (100) thereby generating a flue gas (52),- pre-heating the ammonia stream (S3), said preheating being realized in a first heat exchanger (4) arranged to heat the ammonia stream by heat exchange with the flue gas,- sending the pre-heated ammonia stream (12) to a vaporizer (5) and vaporizing (S4) said pre-heated ammonia stream,- sending the vaporized ammonia (14) from said vaporizer (5) as said feedstock stream (S6) and/or sending the vaporized ammonia from said vaporizer as said fuel to said combustion (S11).

PROCESS FOR PRODUCING A HYDROGEN PRODUCT

Resumen de: EP4691970A1

The invention relates to a process for producing a hydrogen product (3) from a feedstock stream (4), said process comprising the following steps:- providing an ammonia stream (8);- sending the ammonia stream (8) to a vaporizer (6) configured to receive said ammonia stream (8) and to vaporize said ammonia stream (8) so as to obtain a vaporized ammonia stream (10); and- controlling the temperature of the vaporized ammonia stream (10) by injecting a cooling medium (16) into the vaporized ammonia stream (10) thereby obtaining a temperature-controlled ammonia stream (18).

COMPLEX KNITTED STRUCTURES AS ELECTRODE FOR ELECTROLYSIS OF WATER

Resumen de: EP4692422A1

The present invention relates to an electrode for the electrolysis of, in particular, alkaline water solutions. The electrode has a 3D-knitted metal structure in the form of a net. The metal is predominantly made of nickel. The invention also relates to a corresponding electrolysis cell and its use for the electrolysis of alkaline aqueous solutions.

COAXIAL CATALYST SYSTEM FOR AMMONIA CRACKING

Resumen de: EP4691967A1

Die Erfindung betrifft ein Katalysatorsystem zur Spaltung von Ammoniak in Wasserstoff und Stickstoff, umfassend mindestens Rohr mit einer zentral durch das innere des Rohrs verlaufenden Achse, wobei in dem Rohr mindestens zwei koaxial angeordnete Bereiche, in Form von einem ersten Bereich entlang der zentralen Achse und mindestens einem den ersten Bereich umgebenden weiteren Bereich, ausgebildet sind, und wobei der erste Bereich ein erstes Katalysatormaterial und der mindestens eine weitere Bereich mindestens ein weiteres Katalysatormaterial enthält, dadurch gekennzeichnet, dass a) das erste Katalysatormaterial mindestens ein Metall aufweist, das ausgewählt ist aus der Gruppe bestehend aus Edelmetallen und Nicht-Edelmetalle, und b) das mindestens eine weitere Katalysatormaterial mindestens ein Nicht-Edelmetall aufweist. Das erste und das mindestens eine weitere Katalysatormaterial sind verschieden.

COMPOUNDED FLUORINATED SULFONYL FLUORIDE POLYMERS AND ION EXCHANGE MEMBRANES MADE THEREFROM

Resumen de: CN120898031A

The present invention relates to a composition comprising from about 90% to about 99.99% by weight of one or more non-crosslinked fluorinated sulfonyl fluoride polymers and from about 0.01% to about 10% by weight of one or more noble metal catalysts, based on the total weight of the composition, wherein the one or more noble metal catalysts are uniformly distributed throughout the one or more non-crosslinked fluorinated sulfonyl fluoride polymers. Such compositions may be formed as cation exchange precursors, for example by extrusion, and, after treatment, form cation exchange membranes. The resulting films and membranes have a noble metal catalyst uniformly distributed throughout the layer of the catalyst-containing polymer.

ELECTROLYSER CELL UNITS WITH FLAT SEPARATOR, AND A METHOD FOR MANUFACTURING AN ELECTROLYSER CELL UNIT

Resumen de: CN120936755A

The present application relates to an electrolytic cell battery cell having a battery layer (1314) comprising an electrochemically active battery region (1350), the battery layer (1314) having a first side (1315a) and a second side (1315b). The cell defines a first fluid flow region (1360) for delivering fuel to the first side (1315a) of the cell layer (1314) and a second fluid flow region (1365) for discharging fluid from the second side (1315b) of the cell layer (1314). A cross-sectional area of the second fluid flow region (1365) is less than a cross-sectional area of the first fluid flow region (1360).

METHOD FOR MANUFACTURING A CATALYST-COATED MEMBRANE

Resumen de: CN120752767A

A method of making a catalyst coated ion conducting membrane for use in an electrochemical device, such as a fuel cell or an electrolytic cell, is provided. The method includes providing an electrolyte membrane having a first face and a second face, the first face disposed opposite the second face. A first catalyst ink is deposited onto the first side of the electrolyte membrane to form a first wet catalyst layer, and then dried to form a first catalyst layer on the first surface of the electrolyte membrane. The first catalyst ink comprises a first ionically conductive polymer; a first electrocatalyst; and a first dispersant. Subsequently, a second catalyst ink is deposited onto a second face of the electrolyte membrane to form a second wet catalyst layer and dried to form a second catalyst layer. The second catalyst ink comprises a second ionically conductive polymer; a second electrocatalyst; and a second dispersant. Before depositing the second catalyst ink onto the second side of the electrolyte membrane, the first catalyst layer is subjected to a temperature A of 130 DEG C or more, and the second catalyst layer is subjected to a temperature B lower than the temperature A.

POROUS TRANSPORT LAYER

Resumen de: CN120882906A

A porous transport layer for an electrolytic cell or for a fuel cell, the porous transport layer comprising: a first non-woven layer having metal fibers, the first non-woven layer having metal fibers being arranged for contacting a proton exchange membrane, where the first non-woven layer having metal fibers comprises metal fibers having a first equivalent diameter, and the second non-woven layer having metal fibers having a second equivalent diameter; wherein the first non-woven layer having metal fibers has a first surface roughness and a first porosity,-a second non-woven layer having metal fibers wherein the second non-woven layer having metal fibers comprises metal fibers having a second equivalent diameter, wherein the second nonwoven layer having metal fibers has a second surface roughness and a second porosity wherein the first surface has a material ratio of less than 5% material at a height of 5 mu m and greater than 70% material at a depth of-5 mu m, the first equivalent diameter is less than the second equivalent diameter, the first surface roughness is at least 20% less than the second surface roughness, and the second surface roughness is at least 20% less than the second surface roughness. The first porosity is at least 10% less than the second porosity, such as in the range of 20% to 120%, for example, the first porosity is at least 10% less than the second porosity, such as in the range of 10% to 50%, and wherein the first nonwoven layer is metallurgically bo

SYSTEM AND METHOD FOR ELECTROLYSIS PLANT INTERCONNECTED TO RENEWABLE ENERGY POWER SOURCE AND POWER GRID

Resumen de: CN121039917A

Systems and methods are provided for an electrolysis plant interconnecting a renewable energy source (22) and a power grid (20). The system includes a power source (22) and an electrolysis plant (30) including electrolysis equipment (32) connected to the power source (22) to energize the electrolysis equipment to respective operating conditions. The control system (40) is connected to the power source (22) and the power grid (20). Upon detection of a power failure or otherwise insufficient power supply of the renewable power source, the control system is configured to bring the electrolysis device to a corresponding standby condition. The electrolysis device is connected to an electrical grid to energize the electrolysis device to a standby condition. Optionally, a backup power supply (26) is connected to the control system such that the backup power supply is configured to energize the control system upon detecting that the renewable power source and the grid are simultaneously powered off or are simultaneously otherwise insufficient in power supply.

MEMBRANE ELECTRODE ASSEMBLY AND METHOD FOR PRODUCING SAME, FUEL CELL, AND ELECTROLYSIS CELL

Resumen de: CN120958177A

The invention relates to a membrane electrode assembly (1) having an anode (2), a cathode (3) and a hydrocarbon membrane (4) between the anode (2) and the cathode (3). The membrane electrode assembly (1) further comprises a protective layer (5) arranged between the anode (2) and the hydrocarbon membrane (4) and-or between the cathode (3) and the hydrocarbon membrane (4), where the protective layer (5) comprises at least one ceramic material (6) and a fluorine-containing ionomer (7), where the ceramic material (6) is dispersed in the fluorine-containing ionomer (7).

MEMBRANE ELECTRODE ASSEMBLY AND WATER ELECTROLYSIS CELL

Resumen de: CN121013925A

The invention relates to a membrane electrode assembly (1) for a water electrolyser, comprising an anode (2), a cathode (3) and a hydrocarbon membrane (4) located between the anode (2) and the cathode (3), further comprising a first gas recombination layer (5) 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 conducting polymer (8), and wherein the volume fraction of the proton-conducting polymer (8) is 24 to 84 vol%, in particular 35 to 75 vol%, and in particular 46 to 65 vol%, based on the total volume of the gas recombination layer (5).

一种Co2P/Fe2P异质结纳米片阵列材料及其制备方法和应用

Resumen de: CN121496465A

本发明公开了一种Co2P/Fe2P异质结纳米片阵列材料及其制备方法和应用，属于电催化材料技术领域。本发明提供的制备方法包括：将预处理后的泡沫镍置于含钴盐、铁盐、尿素和氟化铵的前驱体溶液中，通过水热反应在其表面生长CoFe‑LDH纳米片阵列前驱体；随后在惰性气氛下进行低温磷化处理，将前驱体转化为Co2P/Fe2P异质结，最终得到生长于泡沫镍上的Co2P/Fe2P异质结纳米片阵列材料。该材料在碱性电解质中表现出优异的双功能电催化活性与稳定性，用于全水分解时仅需1.50V的低槽压即可驱动20 mA cm‑2的电流密度。本发明工艺简单、成本低廉，为高效、稳定的非贵金属水分解催化电极的制备提供了新方案。

一种面向酸性电解水的钴基高密度单原子催化剂及其制备方法、应用

Resumen de: CN121496447A

本发明公开了一种面向酸性电解水的钴基高密度单原子催化剂及其制备方法、应用，属于催化剂技术领域。所述的钴基高密度单原子催化剂包括：纳米四氧化三钴载体和负载在该载体上的单分散的铱单原子；所述铱单原子的负载量在6wt%以上，所述铱单原子的密度为4个/nm2以上。本发明公开了上述单原子催化剂在电催化分解水反应中的应用；通过提高单原子的利用率和负载密度，其在电催化分解水反应中具有高活性和高稳定性。此外，所述钴基高密度单原子催化剂合成便捷，成本低廉，在产业化应用中有巨大潜力。

一种制氢系统连通管控制方法

Nº publicación: CN121496491A 10/02/2026

Solicitante:

内蒙古绿氢科技有限公司安徽华赛能源科技股份有限公司

Resumen de: CN121496491A

本发明涉及电解水制氢技术领域，尤其涉及一种制氢系统连通管控制方法，包括以下步骤：同步采集氢分离器和氧分离器的液位数据、氢气中的氧气浓度数据和氧气中的氢气浓度数据；基于采集的液位数据计算液位差，并对气体浓度数据进行信号预处理；将液位差和预处理后的气体浓度数据输入控制模型进行处理；通过控制模型将液位差与液位差阈值进行比对，将气体浓度数据与对应的气体浓度阈值进行比对。本发明中，通过引入气体纯度参数与液位差的多阈值耦合判断机制，进而根据超标等级触发分级控制指令，从而改善了传统方法大都采用单一液位平衡控制，由于缺乏对氢中氧和氧中氢扩散的主动阻断机制，从而造成气体纯度失控风险高的问题。