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928
resultados
Última actualización
14/10/2026 [08:20:00]
Resultados 150 a 175 de 928
Resumen de: US20260286554A1
The present application relates to an electrolyser cell unit having a cell layer (1314) comprising an electrochemically active cell area (1350), the cell layer (1314) having a first side (1315a) and a second side (1315b). The cell unit defines a first fluid flow region (1360) for delivery of fuel to the first side (1315a) of the cell layer (1314) and a second fluid flow region (1365) for exhaust of a fluid from said second side (1315b) of the cell layer (1314). The cross-sectional area of the second fluid flow region (1365) is smaller than the cross-sectional area of the first fluid flow region (1360).
Resumen de: WO2026194355A1
Embodiments of the present application provide a method and apparatus for measuring impurity content in a liquid. The method comprises: injecting a liquid to be measured into a first container; when it is detected that the pressure in the first container meets a preset value, stopping injecting said liquid; venting the first container, so that the first container returns to an atmospheric‑pressure state; injecting at least part of said liquid in the first container into a second container; injecting a buffer solution into the second container, and detecting that the pH value of said liquid in the second container meets a preset value; and using an ion measurement device to measure impurity content in said liquid in the second container. The present application does not require the shutdown of a system for measurement. By quantitatively extracting a liquid to be measured, diluting the concentration of an impurity to be measured, and adjusting the pH of said liquid for impurity content measurement, strong timeliness is achieved, and the impurity content can be monitored in real time to reflect an operation state of a liquid system to be measured, for example, a hydrogen production system.
Resumen de: US20260286543A1
0000 A membrane electrode assembly for a water electrolysis cell, that includes an anode, a cathode and a hydrocarbon membrane lying between the anode and the cathode, further including a first gas recombination layer which is arranged between the anode and the hydrocarbon membrane, wherein between the gas recombination layer and the hydrocarbon membrane at least one adhesion layer is arranged, wherein the adhesion layer includes at least one ceramic material and one proton-conductive polymer.
Resumen de: WO2026195552A1
The invention discloses a current collector, a preparation method for a current collector, an electrolytic cell and an electrolytic stack, here the current collector includes a bipolar plate and a flow field material. The bipolar plate includes a disk and a ring, the ring surrounds circumference of the disk, one or more alkaline solution inlets are opened at a first end of the ring, and one or more alkaline solution outlets are opened at a second end of the ring. The flow field material is arranged on the disk, and the flow field material includes multiple expanded metal grid plates arranged in sequence and spaced apart from each other. The preparation method includes the following operations. A diameter of the disk is obtained, and a length and width of each of the expanded metal grid plates are determined based on the diameter of the disk, a preset number of the expanded metal grid plates, and a preset distance between adjacent ones of the expanded metal grid plates. Raw materials are cut based on the length and width of each of the expanded metal grid plates and a corresponding edge profile of the disk, to obtain the expanded metal grid plates in the preset number. The expanded metal grid plates are welded to the disk, based on a preset position of each of the expanded metal grid plates on the disk. According to the invention, uniformity of the alkaline solution distributed on the bipolar plate may be improved.
Resumen de: AU2025310215A1
This hydrogen production system comprises: a hydrogen compound member; a water supply member for supplying water to the hydrogen compound member; and a heat recovery device for recovering adsorption heat that is generated when hydrogen, which is generated by decomposing some of water into hydrogen and oxygen in the presence of the hydrogen compound member, is adsorbed to the hydrogen compound member. This hydrocarbon production system comprises: a hydrogen compound member; a water supply member for supplying water to the hydrogen compound member; a heat recovery device for recovering adsorption heat that is generated when hydrogen, which is generated by decomposing some of water into hydrogen and oxygen in the presence of the hydrogen compound member, is adsorbed to the hydrogen compound member; a heating device for heating the hydrogen compound member to which hydrogen is adsorbed; and a gas supply device for supplying a carbon dioxide-containing gas that contains carbon dioxide to the hydrogen compound member.
Resumen de: WO2026198877A1
Methods and systems are disclosed for using industrial waste for the production of hydrogen gas. The method includes examining a pH level of the industrial waste, removing contaminate from the industrial waste, conditioning and concentrating the industrial waste to a proton-rich solution, and using the resulting proton-rich solution as the proton source in a hydrogenase catalyzed hydrogen production system.
Resumen de: AU2025235581A1
This cell unit (2) comprises: a base material (10) that defines a first surface (13) and a second surface (14) that face each other back to back; a hole (15) that penetrates the base material (10) from the first surface (13) to the second surface (14); a film (21) that is disposed in the hole (15) and partitions the hole (15) into a first space (17) on the first surface (13) side and a second space (18) on the second surface (14) side; and an annular outer peripheral member (32) disposed around the outer peripheral surface (11a) of the base material (10).
Resumen de: US20260286548A1
The present invention relates to modular packages of individual electrolyzer stack units arranged to overcome prior art limitations related to power supply costs, as-manufactured stack unit performance variation, operating stack unit performance variation, and operational reliability. The electrolyzer stack module comprises an even number of individual stack units wired in series-parallel and arranged to minimize variation between branches of series-connected stack pairs.
Resumen de: US20260286558A1
0000 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.
Resumen de: US20260291253A1
System and method for electrolysis plant interconnected to renewable energy electrical power source (22) and power grid (20) are provided. The system includes the power source (22) and an electrolysis plant (30) including electrolyzers (32) connected to the power source (22) to energize the electrolyzers into respective operating conditions. A control system (40) is connected to source (22) and to grid (20). Upon detection of power outage or otherwise insufficient power supply by the renewable power source, the control system is configured to bring the electrolyzers into respective standby conditions. The electrolyzers are connected to the grid to energize the electrolyzers into the standby conditions. Optionally, a backup power supply (26) is connected to the control system so that upon detection of concurrent power outages or otherwise insufficient concurrent power supply by the renewable power source and the power grid, the backup power supply is configured to energize the control system.
Resumen de: US20260285677A1
0000 A method for storing hydrogen in a reactor or a synthesis loop comprising the steps of (a) providing a gaseous stream of a reaction compound; (b) providing an excess of a hydrogen stream as required for stoichiometric molar ratio of reactants to hydrogen in the synthesis loop or reactor from an electrolysis unit; (c) storing the excess of hydrogen provided in step (b) by introducing at least an amount of the hydrogen stream into the gaseous stream of a reaction compound and to provide a mixed stream of hydrogen and gaseous reaction compound with at least 25 mol % excess hydrogen than what is required for a reaction of the reaction compound with hydrogen in the hydrogen stream; (d) introducing the mixed stream into the reactor or the synthesis loop; (e) withdrawing a mixed stream of gaseous reaction product and unreacted gaseous hydrogen and reaction compound from the reactor or the synthesis loop; (f) separating the reaction product from the unreacted gaseous hydrogen and reaction compound (g) recycling all or a part of unreacted amounts of hydrogen and reaction compound to the reactor or synthesis loop.
Resumen de: US20260286550A1
0000 A process for manufacturing at least one portion of an electrolytic is provided. The process includes at least the step of printing at least one layer (3) on a first face of a bipolar plate (1) by additive manufacturing, a first face (4a ) of the layer (3) being secured to the first face of the bipolar plate and the second face (4b ) of the layer (3) forming at least one free end, the layer being formed of a mesh forming a cellular structure. Also disclosed are a corresponding portion of an electrolytic cell and a corresponding electrolyzer stack.
Resumen de: US20260286545A1
A Solid Oxide Cell stack has at least one connection plate between the solid oxide cell stack and an adjacent end plate, two adjacent end plates and/or between adjacent 5 solid oxide cell sub-stacks.
Resumen de: US20260286232A1
0000 The invention comprises a method for controlling feedstock feedback, comprising the steps of: (1) breaking down a waste product feedstock in a supercritical fluid chamber; (2) transferring at least carbon monoxide and molecular hydrogen from the supercritical fluid chamber into a Fischer-Tropsch system; (3) generating a byproduct in the Fischer-Tropsch system, the byproduct comprising a hydrocarbon chain of less than eight carbons; and (4) feeding the hydrocarbon chain back into the supercritical fluid chamber via a feedstock feedback system, where the feedstock is optionally and preferably municipal solid waste, plastic, and/or rubber.
Resumen de: WO2026197170A1
Provided is an ammonia decomposition system capable of suppressing the amount of waste heat. The present invention provides an ammonia decomposition system equipped with a raw material supply line, a reactor, a discharge line, and a heat exchange unit. The raw material supply line is configured so that the ammonia supplied to the reactor as a raw material flows through the raw material line. The discharge line is configured so that a mixed gas containing a product gas discharged from the reactor and unreacted ammonia that has not been decomposed in the reactor flows through the discharge line. The heat exchange unit is configured so that the heat of the mixed gas in the discharge line is transferred to the ammonia in the raw material supply line.
Resumen de: WO2026193526A1
Provided is a catalyst film for photocatalytic water splitting or CO2 conversion, comprising: a heterogeneous conductive substrate, the conductive substrate comprising a conductive material and a selectively applied coating on the conductive material; wherein coated areas of the substrate form a cathodic region having a first work function and uncoated areas of the substrate form an anodic region having a second work function, the second work function being lower than the first work function; a layer of an oxygen evolution photocatalyst material on the anodic region; and a layer of a hydrogen evolution photocatalyst material on the cathodic region, as well as a method for making same and a device and system with the catalyst film.
Resumen de: DE102025110278A1
Die Erfindung betrifft ein Elektrolysesystem (100; 100a), mit einem Stack (1), der wenigstens eine elektrochemische Zelle (101) mit einem Anodenraum (102) und einem Kathodenraum (104) aufweist und der dazu eingerichtet ist, Wasser elektrolytisch in Wasserstoff und Sauerstoff aufzuspalten, wobei der Kathodenraum (104) einen Einlass (108) und einen Auslass (110) aufweist, sowie mit einem Gas-Flüssigkeits-Separator (14), der über eine Leitung (12) mit dem Auslass (110) des Kathodenraums (104) verbunden ist, wobei der Gas-Flüssigkeits-Separator (104) zur Trennung von Flüssigkeit von Gas ausgebildet ist, wobei der Gas-Flüssigkeits-Separator (14) einen Gasauslass (16) zum Abströmen des abgetrennten Gases und einen Auslass (24) für die abgetrennte Flüssigkeit aufweist, der mit einem Flüssigkeitstank (30; 30a) verbunden ist, in dem die Flüssigkeit unter Druck speicherbar ist.
Resumen de: WO2026197702A1
The present invention relates to a catalyst for an ammonia decomposition reaction, and more specifically, to: a catalyst for an ammonia decomposition reaction in which ceria is impregnated with an active metal including ruthenium, wherein the catalyst has excellent ammonia decomposition activity and has enough stability to maintain catalytic activity at the same level as the initial level for up to 100 hours, and thus can produce high-purity hydrogen; and a method for producing same.
Resumen de: WO2026197050A1
Problem To provide a hydrogen generation system that can easily be enlarged. Solution A hydrogen generation device 10 comprises: a photocatalyst member 11 that holds a photocatalyst; a first cover member 12 that covers the surface on one side of the photocatalyst member 11; a second cover member 13 that covers the surface on the other side of the photocatalyst member 11; a transparent part that transmits light energy to the photocatalyst member 11; and a seal part 15 that encloses the photocatalyst member 11 together with the first cover member and the second cover member 13, and that seals a fluid retention space 14 in which raw material water is held together with a generated hydrogen gas or both the hydrogen gas and an oxygen gas. The first cover member 12 and/or the second cover member 13 is composed of a soft material. A pressure adjustment means 45 for depressurizing the fluid retention space 14 is provided. Water is supplied to the fluid retention space 14. Furthermore, either hydrogen gas generated in the fluid retention space 14 or the hydrogen gas and oxygen gas are discharged.
Resumen de: WO2026193888A1
The present disclosure relates generally to processes for electrochemical activations of anodes, cathodes and electrolysis systems for alkaline water electrolysis, especially for nickel-based electrodes. In s0ome embodiments, the processes include repeating first treatment cycles of application of voltage to an anode at least a first number of times, the first number being at least 30, each first treatment cycle comprising (a) application of a first voltage at least +0.3 V vs. Hg/HgO to the anode; and (b) application of a second voltage no more than -0.8 V vs. Hg/HgO to the anode.
Resumen de: WO2026196032A1
This invention presents an advanced high-efficiency alkaline hydrogen electrolyzer utilizing a Nickel-Chromium (Ni- Cr) Nanohelix electrode structure. Unlike traditional proton exchange membrane (PEM) electrolyzers that rely on costly platinum-group metals (PGMs), this system enhances hydrogen evolution reaction (HER) kinetics using a durable, cost- effective transition metal-based catalyst.Achieving 85% efficiency at 300-500 mA/cm2 with hydrogen costs of $1.50/kg, this electrolyzer offers an economical, sustainable, and scalable solution for green hydrogen production.
Resumen de: WO2026197921A1
The invention relates to a synchronised multi-phase electronic system, a dissociation apparatus and a method for producing hydrogen and oxygen from water via the application of a composite electrical signal. The system includes a master synchronisation generator which coordinates an inductive phase that generates a pulsed signal, an inverter phase that produces a high-frequency alternating signal, and a low-amplitude resonant phase. A coupling stage combines these signals and applies them to a conductive aqueous medium to induce non-steady-state electrochemical conditions that promote molecular dissociation. The apparatus comprises tubular columns having reaction cartridges with thin, flexible plates, a recirculation and cooling unit, and a hydrogen storage tank with high- and low-pressure lines. The associated method allows the efficient generation of hydrogen and oxygen, using less energy than conventional electrolysis.
Resumen de: WO2026198665A1
A method for hydrogen gas production is provided herein. The method includes supplying a first solution comprising water and optionally an acidic material to interact with one or more desired metal-comprising materials to release two or more metal cations comprising an M1 cation and an M2 cation. The method can include supplying a second solution that include one or more basic or alkaline materials to react with the released metal cations to form one or more mixed metal hydroxide materials containing hydroxide anions (OH-). One or more mixed metal oxide materials that include one or more spinel materials can be formed by degrading the mixed metal hydroxide materials under a first heating temperature. The method includes generating hydrogen gas by water splitting under a second heating temperature, wherein the spinel materials act as catalysts for water splitting reaction.
Resumen de: US20260286231A1
The invention comprises a method for controlling reactions in a supercritical fluid chamber, comprising the steps of: forming a formed hydrogen gas in a supercritical fluid chamber; outputting the formed hydrogen gas from the supercritical fluid chamber; feeding a first portion of the formed hydrogen gas back into the supercritical fluid chamber through a feedstock feedback system; measuring quantity of the first portion of the hydrogen gas in the feedback system with a sensor; and controlling flow of the first portion of the hydrogen gas back into the supercritical fluid chamber with a controller and output from the sensor, where a majority of the formed hydrogen gas is formed in the breakdown as waste products, such as waste plastic and/or waste rubber. Optionally, a second portion of the formed hydrogen gas is used in a Fischer-Tropsch process in fuel generation.
Nº publicación: WO2026196286A1 24/09/2026
Solicitante:
H2PRO LTD [IL]
TECHNION RES & DEVELOPMENT FOUNDATION LIMITED [IL]
H2PRO LTD
TECHNION RESEARCH & DEVELOPMENT FOUNDATION LIMITED
Resumen de: WO2026196286A1
The application discloses a. bifunctional electrode configured to catalyze both a hydrogen evolution reaction (HER) and an oxygen evolution reaction (OER) in an electrochemical water-splitting system.
BOPI
Sede Electrónica
