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CATALYTIC LOW-IR MIXED METAL OXIDE MATERIALS FOR THE OXYGEN EVOLUTION REACTION IN ACID

Resumen de: WO2026039286A1

Provided is a catalytic mixed metal oxide material that includes Ir, O, and which has the atomic formula of M1xM2yM3zIrtOu, or M1xM2yM3z(IrM4)tOu where between one and three elements labeled as M1 through M3 is selected from the group consisting of Ru, Sr, Fe, Co, Mn, Ni, Sb, Nb, W, and Sn and M4 is selected from Ru and Sr. Further provided is the use of the catalytic mixed metal oxide material in oxygen evolution reactions.

ANION CONDUCTIVE FILM, METHOD FOR PRODUCING ANION CONDUCTIVE FILM, MEMBRANE ELECTRODE ASSEMBLY, HYDROGEN PRODUCTION METHOD, AND HYDROGEN PRODUCTION SYSTEM

Resumen de: WO2026038553A1

The present invention pertains to: an anion conductive film which includes a porous base material and an anion conductive polymer that is disposed, in addition to being provided inside of pores of the porous base material, on 70% or more of the area of at least one surface of the porous base material, and in which the anion conductive polymer has a constituent component (I) derived from a polyfunctional polymerizable monomer having a total of 2 or more of at least one atom selected from an oxygen atom, a sulfur atom, and a nitrogen atom at a structural part other than a polymerizable group, and the proportion of the constituent component (I) among all constituent components of the polymer is 50 mol% or more; a method for producing the anion conductive film; a membrane electrode assembly; a hydrogen production method; and a hydrogen production system.

PREPARATION AND USE OF NICKEL-FOAM-SUPPORTED LAYERED COBALT TUNGSTEN OXIDE CATALYST FOR EFFICIENT WATER DECOMPOSITION

Resumen de: WO2026037094A1

The present invention belongs to the technical field of electrochemical catalysis. Disclosed are the preparation and use of a nickel-foam-supported layered cobalt tungsten oxide catalyst for efficient water decomposition. In the present invention, nickel foam (NF) is selected as a substrate, on which two cobalt oxides having different morphologies successively grow by means of electrochemical deposition, wherein ComCo3O4 serves as a first layer and can tightly wrap around the NF, thereby preventing the NF from anodic corrosion and dissolution in a harsh acidic medium; AcCo3O4 serves as a second layer, and nanosheet-shaped Co3O4 has good OER activity itself; in addition, the large specific surface area also provides more growth sites for a tungsten oxide; and finally, the tungsten oxide is electrically deposited on the AcCo3O4. WxOy/AcCo3O4/ComCo3O4/NF prepared by using the above method has a low overpotential and good stability.

PHOTOCATALYTIC CARTRIDGE

Resumen de: WO2026036170A1

This disclosure relates to a replaceable photocatalytic cartridge for use in a reactor, and a method for producing the replaceable photocatalytic cartridge. The replaceable photocatalytic cartridge being suitable for use within a reactor that photocatalytically splits water, such as a PWS reactor. In one embodiment, the photocatalytic cartridge comprises a container that contains a substrate that is coated with photocatalytic particles, wherein, in use, the photocatalytic cartridge is configured to be removably inserted into a receiving portion of the reactor such that the coated substrate is adapted to participate in a photocatalytic reaction with H2O and solar radiation within the reactor.

PHOTOELECTRIC CELL WITH SILICON CARBIDE ELECTRODE AND PRODUCTION METHOD FOR SAME

Resumen de: US20260049404A1

Disclosed are a photoelectric cell with a silicon carbide electrode (4) for photocatalytic production of hydrogen, and a manufacturing method therefor. The cell has on one side of the silicon carbide electrode (4) a window (2) the incidence of light (5) and on the other side of the silicon carbide electrode (4) an aqueous electrolyte (10) and a counter electrode (6). On the side of the silicon carbide electrode (4) facing the window, the cell is electrolyte-free. The silicon carbide electrode (4) is preferably produced by coating a substrate (3) with silicon carbide (4).

CONTAMINATION MITIGATION SYSTEM FOR USE IN AN ELECTROLYSIS SYSTEM

Resumen de: US20260049408A1

An electrolysis system includes an electrolyzer stack and a contamination mitigation system. The electrolyzer stack includes an injection port fluidly connected with a cathode compartment of the electrolyzer stack. The contamination mitigation system is configured to remove ions from the electrolyzer stack to mitigate ion contamination in the electrolyzer stack. The contamination mitigation system includes a storage tank including formic acid therein and an injection line fluidly coupled between the storage tank and the injection port. The injection line is configured to direct the formic acid from the storage tank to the injection port for injection into the cathode compartment of the electrolyzer stack.

Highly graphitized Catalyst Composite for Hydrogen Evolution Reaction and water electrolyzer having the Same

Resumen de: KR20240160080A

The present invention relates to a catalyst composite for a hydrogen production reaction having remarkably excellent catalytic activity and durability by an interaction effect between a porous carbon body doped with nitrogen of a high graphitic structure and a specific bonding type and a hydrogen active catalyst metal. More specifically, the present invention relates to a porous catalyst composite for a hydrogen production reaction, which comprises: a hydrogen active catalyst metal; and a porous three-dimensional net-type carbon support on which the hydrogen active catalyst metal is supported and containing nitrogen, wherein 30% or more of the total nitrogen contained in the porous three-dimensional net-type carbon support is nitrogen in a pyrrolic bond state.

COMPOSITE SEPARATOR, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: AU2023460501A1

A composite separator and a preparation method therefor. The composite separator comprises a main film and an anti-contamination layer, which is arranged on one or both surfaces of the main film, wherein the anti-contamination layer comprises a first polymer, a charge agent and/or an anti-fouling agent. The composite separator can be applied to alkaline water electrolysis for hydrogen production and other electrolysis industries, and the anti-contamination layer of the composite separator can effectively prevent impurity species, especially metal ions fallen from a cathode catalyst, from being attached to the surface, which causes the sheet resistance to increase, thereby increasing the electrolytic energy consumption.

RECOMBINATION LAYERS FOR CROSSOVER MITIGATION FOR EXCHANGE MEMBRANES AND WATER ELECTROLYZER MEMBRANE ELECTRODE ASSEMBLIES

Resumen de: AU2023443530A1

A method for forming a recombination layer includes, for example, an ionomer and a nanocrystal catalyst disposed in the ionomer. A method for forming the recombination layer may include, for example, providing an ionomer dispersion, providing a compound having a catalyst having a charge, adding the catalyst in the compound to the ionomer to form a mixture, reducing the catalyst in the compound to a metal catalyst in the ionomer, and forming the mixture with the metal catalyst into a recombination layer for a proton exchange membrane.

METHOD AND FACILITY FOR CONVERSION OF AMMONIA AND METHANOL INTO HYDROGEN USING ROTARY GENERATED THERMAL ENERGY

Resumen de: AU2024249844A1

A method for thermal or thermochemical conversion of ammonia or methanol feedstocks into hydrogen (gas) in a related feedstock conversion facility (1000) is provided. The method comprises generating heated fluidic medium by at least one rotary apparatus (100), supplying a stream of thus generated heated fluidic medium into the feedstock conversion facility (1000), and operating said at least one rotary apparatus (100) and said feedstock conversion facility (1000) to carry out thermal or thermochemical conversion of the ammonia or methanol feedstocks into hydrogen at temperatures essentially equal to or exceeding about 500 degrees Celsius (°C). Facility (1000, 1000A) for production of hydrogen from ammonia or methanol feedstocks is further provided.

ELECTROCATALYTIC HYDROGEN CARRIER COMPOSITIONS

Resumen de: TW202511539A

The present disclosure provides hydrogen carrier fluid (HCF) compositions, comprising a leanliquid organic hydrogen carrier (lean-LOHC) component comprising at least one cyclohexyl-based compound having at least one unsaturated bond, optionally in combination with one or more C4-12 alkyl alcohol, or a rich-liquid organic hydrogen carrier (rich-LOHC) component comprising at least one cyclohexyl-based compound, optionally in combination with a C4-7 ketone, a C4-6lactone or a mixture thereof; and an electrolyte component. Also provided is the use of these HCF compositions for storage and release of hydrogen, in an electrochemical reactor system.

REACTOR FOR THE GENERATION OF HYDROGEN

Resumen de: WO2025002798A1

The invention relates to a reactor (2) for generating hydrogen and at least one other product from at least one reactant, the reactor comprising a tubular reactor vessel (4) which contains a catalyst (6) in the form of a ceramic bed. Improved corrosion resistance against a variety of media and thus an increased service life of the reactor (2) is achieved by forming the reactor vessel (4) from silicon-infiltrated silicon carbide (SiSiC).

METHOD FOR MANUFACTURING ANION EXCHANGE MEMBRANE WATER ELECTROLYSIS SYSTEM

Resumen de: EP4696815A1

Provided is a method of manufacturing an anion exchange membrane water electrolysis system exhibiting improved durability and efficiency, along with excellent water electrolysis performance.

ELECTROLYSIS APPARATUS

Resumen de: WO2024214055A1

An electrolysis apparatus for the production of gaseous hydrogen and oxygen by water electrolysis is disclosed, with an electrolyzer (100) comprising a plurality of cells arranged next to each other to form a cell stack (116), wherein each cell includes an anode plate (122) and a cathode plate (124), and wherein the electrolyzer (100) further includes an anode end plate (118) and a cathode end plate (120) between which the cell stack (116) is clamped. The electrolyzer (100) has an active chamber (102) integrated therein, in which the electrolysis reaction of water contained in an electrolyte solution with which the electrolyzer (100) is fed takes place, a first liquid/gas phase separator (104) for separating oxygen gas from the electrolyte solution, and a second liquid/gas phase separator (106) for separating hydrogen gas from the electrolyte solution. The electrolyzer (100) also includes a plurality of sensors mounted on at least one of said anode and cathode end plates (118, 120) and configured to detect appropriate operating parameters of the first and second liquid/gas phase separator (104, 106).

ELECTROCHEMICAL ELECTRODE STRUCTURE, ELECTROCHEMICAL CELL, AND METHOD OF RETROFITTING A FINITE-GAP ELECTROCHEMICAL CELL INTO A ZERO-GAP TYPE ELECTROCHEMICAL CELL

Resumen de: CN120958174A

The present invention relates to an electrochemical electrode structure comprising a current collector and at least one electrode element wherein the at least one electrode element is a two-dimensionally extending electrically conductive element having an open structure. In this electrochemical electrode structure, the at least one electrode element has at least one edge with a crimped rim, at which the strip portion of the electrode element is crimped away. Furthermore, the invention relates to an electrochemical cell comprising a first electrode, a second electrode and a separator wherein the first electrode or the second electrode or both electrodes are such an electrochemical electrode structure, and to a method for retrofitting a limited-gap electrochemical cell into a zero-gap electrochemical cell using such an electrochemical electrode structure.

SCALABLE ELECTROLYSIS CELL AND STACK AND METHOD OF HIGH-SPEED MANUFACTURING THE SAME

Resumen de: EP4696816A2

An electrolyzer stack is configured for high-speed manufacturing and assembly of a plurality of scalable electrolysis cells. Each cell comprises a plurality of water windows configured to maintain a pressure loss, temperature rise and/or oxygen outlet volume fraction below predetermined thresholds. Repeating components of the cells are configured based on a desired roll web width for production and a stack compression system is configured to enable a variable quantity and variable area of said repeating cells in a single stack. A high-speed manufacturing system is configured to produce scalable cells and assemble scalable stacks at rates in excess of 1,000 MW-class stacks per year.

ELECTROCHEMICAL ELECTRODE STRUCTURE, ELECTROCHEMICAL CELL, BIPOLAR ELECTRODE ASSEMBLY, ELECTROCHEMICAL CELL ARRANGEMENT, AND METHOD OF ATTACHING AN ELECTRODE ELEMENT TO A SUPPORTIVE ELEMENT OF AN ELECTROCHEMICAL ELECTRODE STRUCTURE FOR AN ELECTROCHEMICAL CELL

Resumen de: CN121013926A

The invention relates to an electrochemical electrode structure comprising at least one electrode element and a support element. Each electrode element is a two-dimensionally extending conductive element having an open structure and has a first edge portion. The support element has an elastic region extending along the surface in a main extension plane of the elastic region. The elastic region is adapted to push the at least one electrode member away from the support element in a direction at least substantially perpendicular to a main plane of extension of the elastic region. The support element has a first tongue-shaped region arranged at an edge of the support element. A first edge portion of the at least one electrode element is curved around a first tongue-shaped region of the support element, thereby attaching the at least one electrode element to the support element. Furthermore, the invention relates to an electrochemical cell and a bipolar electrode assembly, each of which comprises such an electrode element, to an electrochemical cell arrangement having a plurality of such bipolar electrode assemblies, and to a method for attaching an electrode element to a support element of such an electrochemical electrode structure.

ELECTRODES FOR AN ELECTROCHEMICAL CELL FOR AN ALKALINE SEPARATION OF WATER INTO HYDROGEN AND OXYGEN, AND METHOD FOR PRODUCING SAME

Resumen de: AU2024304508A1

According to the invention, electrodes are arranged on two opposite surfaces of a separator. Each electrode consists of an open-pore metal structure, in particular a metal foam made of at least one of the chemical elements Ni, Al, Mo, Fe, Mn, Co, Zn, La, Ce, or an alloy of at least two of said chemical elements or an intermetallic compound of at least two of said chemical elements. A continuously decreasing catalytic activity is provided from the surface facing a separator or the respective other electrode of each electrochemical cell to the opposite surface of the respective electrode, and/or a continuously increasing porosity and/or pore size and/or a continuously decreasing specific surface area is provided from the surface facing a separator or the respective other electrode of each electrochemical cell to the opposite surface of the respective electrode.

一种基于三电极体系的两步法电解水制氢的装置及其工艺

Resumen de: CN121538667A

本发明公开了一种基于三电极体系的两步法电解水制氢的装置及其工艺，包括电源与两个以上串联的三电机电解池，单个三电机电解池包括电解液储罐，电解液储罐内设置有产氢催化电极、氢氧化镍电极与产氧催化电极，其中首个电解液储罐的氢氧化镍电极通过单刀双掷开关和电路分别与电源的正负极连通，其中一组电解液储罐的氢氧化镍电极与相邻另一组电解液储罐的产氢催化电极、产氧催化电极通过单刀双掷开关连通，尾部电解液储罐的产氢催化电极、产氧催化电极分别通过两组单刀双掷开关与电源的正负极连通。本发明的优点在于制氢纯度高、成本低，且易于串并联集成化和操作。

一种电解极板校正碾平装置

Resumen de: CN121535538A

本发明公开了一种电解极板校正碾平装置，包括：底座；承载机构，用于承载极框，承载机构设于底座且包括多个承载组件；限位支撑机构，用于限位和支撑极框，限位支撑机构设于底座且包括沿周向间隔设置的多个限位支撑组件；下压机构，用于压着极框，下压机构设于底座；碾平机构，用于对极框焊缝进行碾平作业和平面度校正作业，碾平机构设于底座；上去毛刺机构，设于底座；下去毛刺机构，设于底座。本发明解决了极框加工和焊接过程中出现的变形、毛刺问题，通过将矫平、碾压、去毛刺集成于一体，可以将1.5‑2mm的焊高碾压到0.2‑0.5mm，使得焊缝内气孔被碾平，同时可以对极框的平面度进行校正，控制在1mm以内，极大地节约了人工成本和提高了产品质量。

一种氨分解制氢催化剂及其制备方法

Resumen de: CN121534754A

本发明涉及制氢技术领域，具体是公开一种氨分解制氢催化剂及其制备方法，所述氨分解制氢催化剂包括载体和负载在载体上的钌基活性组分，其中，所述载体为液相沉积法制备的生物炭/二氧化钛复合载体，所述钌基活性组分为钌金属。本发明通过优化复合载体组分之间的相互作用与活性金属的分散度，协同解决活性、稳定性、成本和钌活性组分的分散度等问题，显著提升氨分解制氢的效率。

一种析氢纳米颗粒催化剂制备方法

Resumen de: CN121538681A

本发明涉及电催化技术领域，且公开了一种析氢纳米颗粒催化剂制备方法。该析氢纳米颗粒催化剂制备方法，将含氮杂环有机物与镥源在溶剂中溶解后，经稀硝酸调节pH，在反应釜中结晶后再经研磨，超声处理，于管式炉中高温处理后，制得析氢纳米颗粒催化剂。本发明制备得到的析氢纳米颗粒催化剂具有良好的催化效率，且成本低，市场前景广阔。

基于PEM电解水模块和EHC模块的耦合系统的水管理方法

Resumen de: CN121545608A

本申请公开了一种基于PEM电解水模块和EHC模块的耦合系统的水管理方法，涉及氢能技术领域。通过控制PEM电解水模块的最佳电流密度，调节进入EHC模块的水含量，使EHC模块始终运行在最佳水合状态，从而提高系统整体效率。该方法包括以下步骤：S1.建立PEM电解水模块的最佳电流密度与EHC模块的目标压比的关系模型JPEM‑r：S2.获取EHC模块的目标压比；S3.根据EHC模块的目标压比，通过JPEM‑r关系模型得到PEM电解水模块的最佳电流密度；S4.调节PEM电解水模块的实时电流密度至目标电流密度，实现对EHC系统的水管理。本申请同时公开了一种基于PEM电解水模块和EHC模块的耦合系统。本申请用于提升PEM电解水模块和EHC模块的耦合系统的性能。

一种ZnCdS/NiO-C异质结光催化剂的制备方法及应用

Resumen de: CN121534743A

本发明公开了一种ZnCdS/NiO‑C异质结光催化剂的制备方法及应用，通过水热法合成ZCS粉末；以绿茶无水乙醇提取物为模板和碳源，通过热解法制备TOP‑Ni助催化剂；通过溶液自组装法将ZCS粉末与TOP‑Ni助催化剂复合，得到。本发明构建了高效的异质结界面，促进光生载流子的分离和转移，提高了光催化析氢的整体效率和可见光利用率，同时降低了光生电子‑空穴复合概率；利用绿茶无水乙醇提取物作为生物质模板诱导的助催化剂结构，提供了高比表面积和丰富的介孔通道，有利于增加活性位点并优化反应物/产物的传质过程，提升了表面反应动力学。

一种光催化水凝胶的制备方法

Nº publicación: CN121537570A 17/02/2026

Solicitante:

安徽工业大学

Resumen de: CN121537570A

本发明提供了一种光催化水凝胶的制备方法，属于光催化技术领域，旨在解决传统制氢高能耗污染、现有光催化水凝胶纯度低及性能不稳定的问题。方法先分步制备CPDT‑1、CPDT‑2Br‑SO3Na、PCT‑SO3Na、Fluo‑2Br‑SO3Na、PFT‑SO3Na、PCBT‑SO3Na、PFBT‑SO3Na七种前驱体，过程通过氮气吹扫防氧化、丙酮沉淀‑重结晶‑索氏提取纯化；再将四种活性前驱体分别与丙烯酸、季戊四醇三烯丙基醚、(2,4,6‑三甲基苯甲酰基)二苯基氧化膦混合，经365nm紫外光照射聚合，制得四种光催化水凝胶。该方法条件温和、操作可控，产物纯度高、光催化性能稳定，适用于氢能制取与水污染治理。