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905
results.
Updated on
02/04/2026 [07:04:00]
Results 525 to 550 of 905
Absstract of: 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.
Absstract of: 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.
Absstract of: 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).
Absstract of: 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.
Absstract of: US20260049405A1
A method of operating an electrolyzer cell system includes providing a steam inlet stream to a stack of electrolyzer cells, generating a main product stream containing hydrogen and steam, and an oxygen exhaust stream in the stack, and providing liquid water into the main product stream to cool the main product stream.
Absstract of: 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.
Absstract of: KR20260021885A
본 발명은 물을 전기분해하는 방식으로 그린수소 제조를 위한 전기촉매에 관한 것으로서, 양극 산소 발생반응과 음극 산소 발생반응의 두가지 방식으로 수행하는 P-doped MnO2 전기촉매에 관한 것이다. 구체적으로 본 발명은 PMnO2 전기촉매는 합리적인 비용으로 가능한 열수반응과 CVD공법으로 합성되는 것으로, 먼저 MnO2 는 열수반응으로 전처리 과정을 거친 후에 CVD 퍼니스에서 MnO2 에 인(P)을 도핑한다.
Absstract of: TW202517835A
To provide iridium oxide suitable for proton exchange membrane-type water electrolysis, the iridium oxide having high initial activity and being excellent in stability during long-term operation. Provided is iridium oxide having a rutile structure, the iridium oxide being characterized by having: a crystallite size of 2.0 nm to 4.0 nm as calculated from a peak of a (110) plane of the rutile-structured iridium oxide determined by X-ray diffraction; and a BET specific surface area, measured by nitrogen adsorption measurement, of 70 m2/g to 120 m2/g.
Absstract of: AU2024303309A1
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.
Absstract of: AU2024285985A1
A method of producing a hydrogen stream and an oxygen stream and passing the hydrogen stream and the oxygen stream to a reverse water-gas shift reactor is described, the method comprising: providing a water stream to an electrolysis system configured to form: a hydrogen stream at a first pressure, and an oxygen stream at a second pressure; passing the hydrogen stream, a carbon dioxide stream, and the oxygen stream to the reverse water-gas shift reactor, wherein the first pressure is lower than the second pressure.
Absstract of: DE102024207827A1
Die Erfindung betrifft eine Elektrolysevorrichtung (10) mit wenigstens einer Elektrolyseeinheit (12) zur Reduktion eines für die Elektrolyse vorgesehenen Mediums, insbesondere Wasser, mit einer Luftzuleitung (20) zur Zufuhr von Luft zur Elektrolyseeinheit (12), mit einer Abgasleitung (24) zur Ableitung von Anodenabgasen der Elektrolyseeinheit (12). Es wird vorgeschlagen, dass die Luftzuleitung (20) einen Verdichter (66) zur Druckerhöhung der Luft aufweist, die Abgasleitung (24) eine Turbine (74) aufweist, welche mechanisch mit dem Verdichter (66) gekoppelt ist.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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).
Absstract of: 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.
Absstract of: 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).
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: CN121538670A
本发明公开了一种煤基碳纤维负载磷化钴自支撑催化剂的制备方法及其在电解水制氢中的应用，属于电解水催化剂技术领域。该催化剂由煤基碳纤维载体和负载于其上的磷化钴活性组分组成；磷化钴活性组分由钴基层状氢氧化物与ZIF‑67的复合前驱体经磷化处理衍生得到。具体方法为：以静电纺丝法制备的煤基碳纤维为载体，在含有六水合硝酸钴和聚乙烯吡咯烷酮的水溶液中采用电沉积法在其表面生长钴基层状氢氧化物，再通过浸渍法原位生长ZIF‑67，形成钴基层状氢氧化物与ZIF‑67复合的前驱体结构，最后经磷化处理得到煤基碳纤维负载磷化钴自支撑催化剂。该催化剂具有亲水性、电解水催化活性和稳定性。
Absstract of: 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。
Absstract of: CN121540853A
本发明公开了一种多通道电解槽产气质量测量系统及方法，包括电解槽巡检采样模块、气液处理模块、氮气供应模块、产气质量测量模块、回流模块；所述气液处理模块包括气液分离器，所述电解槽巡检采样模块包括若干电解槽，若干电解槽均通过采样管路连接到气液分离器的入口，气液分离器的底部出口通过出液管路连接到回流模块，所述氮气供应模块包括连接到气液分离器入口的氮气吹扫管路。本发明所述的多通道电解槽产气质量巡检测试方法，可实现在线切换不同电解槽产气质量巡检，可满足不同压力下的在线测试，提出了制氢系统尤其多台电解槽并机测试无法检测到单个电解槽的产气质量的解决方案。
Nº publicación: CN121538669A 17/02/2026
Applicant:
大连海事大学
Absstract of: CN121538669A
本发明属于高熵电极材料与电催化技术领域，具体涉及一种高熵磷硫化物自支撑电极材料及其制备方法和应用。所述电极材料包括导电基底和催化活性组分；所述催化活性组分为高熵磷硫化物，其由高熵普鲁士蓝类似物前驱体与磷源、硫源高温热处理制得；其中，所述高熵普鲁士蓝类似物前驱体的化学通式为M(Ⅱ)Fe(CN)6，M(Ⅱ)为Mn、Zn、Co、Fe、Ni、Cu中的至少三种；各M(Ⅱ)金属元素占全部M(Ⅱ)金属元素的摩尔百分比均为5%~35%。本发明高熵普鲁士蓝类似物前驱体与磷源、硫源高温热处理，将磷、硫元素成功引入高熵普鲁士蓝类似物骨架中。这种非金属元素掺杂能有效调节材料电子结构，显著降低析氧反应能垒，从而提升本征催化活性。
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