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: 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: US20260286542A1
An object of the present invention is to provide an electrolyte membrane having an excellent joining property between an electrolyte membrane and a catalyst layer. The present invention mainly relates to an electrolyte membrane including a layer (A) containing a polymer electrolyte, and a layer (B) on at least one of the faces of the layer (A), wherein porosity (X1) in an interface region of the layer (B), on the layer (A) side, is higher than porosity (X2) in another interface region of the layer (B), on the opposite side to the layer (A).
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: US20260288116A1
0000 Systems and techniques for monitoring, assessing, and/or controlling hydrogen production are described. For instance, a system for monitoring, assessing, and/or controlling hydrogen production may include: a plurality of electrolyzers; and a controller configured to: obtain raw data indicative of respective operations of respective electrolyzers of the plurality of electrolyzers over a period of time; obtain command data indicative of one or more commands provided to the plurality of electrolyzers over the period of time; obtain event data indicative of one or more events related to the plurality electrolyzers that occurred during the period of time; generate state data based on the raw data, the command data, and the event data, the state data comprising a respective state of each electrolyzer of the plurality of electrolyzers for each of a number of discrete time periods of the period of time; and perform one or more operations responsive to the state data.
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: US20260286551A1
0000 An electrode and in particular to an electrode suitable for gas evolution comprising a metal substrate and a catalytic coating. Such electrode can be used as an anode for the development of oxygen in electrolytic processes such as, for example, in the alkaline electrolysis of water.
Resumen de: US20260286553A1
0000 The present disclosure relates to a hydrophilic composite, comprising 2nd bimetallic component M3M4 (e.g. CoMoO4) deposited on 1st bimetallic component M1M2 (e.g. NiMoO4), supported on a support (e.g. Ni foam) (also termed as M3M4Oy@M1M2Ox/support); wherein the composite has dual structural property without the need of binder/additive and to a process of preparing the hydrophilic composite (M3M4Oy@M1M2Ox/support) and uses thereof. The present disclosure also relates to the environmentally benign production of green hydrogen through HER (hydrogen evolution reaction), and OER (oxygen evolution reaction) reactions using M3M40y@M1M2Ox/support as cathode or anode or both.
Resumen de: US20260285690A1
0000 The present invention relates to a process for cleaning a CO<2>-rich gas feed, in the presence of a hydrogen-rich feed, in particular for removing sulfur-containing impurities, and optionally oxygen.
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: AU2024438054A1
In an electrolysis cell according to the present disclosure, an insulating packing material has: an annular packing body; an arc-shaped packing material having an arc shape formed inside the packing body and surrounding a first supply hole and a first discharge hole from the outer peripheral side, respectively; and a triangular packing material. In the arc-shaped packing material, which is in a state prior to elastic deformation by being sandwiched between a separator and an anion exchange membrane, the thickness of the arc-shaped packing material is set to be greater than the gap between a first diffusion guide part and the anion exchange membrane, and in the triangular packing material, the thickness thereof is set to be greater than that of the packing body.
Resumen de: US20260286557A1
0000 A method of monitoring and controlling water quality for a water electrolyzer may involve analyzing the fluoride ion concentration in excess water discharged from the water electrolysis cell. The measured fluoride ion concentration in the excess water can be compared to a fluoride ion concentration threshold. If the measured fluoride ion concentration is below the fluoride ion concentration threshold, the excess water can be recycled as the feed water to the water electrolysis cell. By contrast, if the measured fluoride ion concentration is above the fluoride ion concentration threshold, one or more control actions can be taken to enhance the purity of the water supplied to the water electrolysis cell.
Resumen de: DE102025111044A1
Die Erfindung betrifft eine Elektrolysezelle (2) zur Verwendung in einem Elektrolyseur zum elektrochemischen Zerlegen von Wasser zu Wasserstoff und Sauerstoff, umfassend eine Membran-Elektroden-Einheit (10) mit einer Membran (4) und beidseitig der Membran (4) aufliegend einem Anodenkatalysator (6) und einem Kathodenkatalysator (8), einen Zellrahmen (12) zum Einspannen zumindest der Membran (4), mindestens eine Gasdiffusionslage (20) und ein Weichelement (18), welches zwischen der Membran-Elektroden-Einheit (10) und der Gasdiffusionslage (20) angeordnet ist. Um eine Faltenbildung der Membran möglichst zu verhindern, oder zumindest zu minimieren, ist zudem eine Stabilisierungsschicht (16) vorgesehen, die zwischen dem Weichelement (18) und der Membran-Elektroden-Einheit (10) angeordnet ist, wobei die Stabilisierungsschicht (16) eine höhere Biegesteifigkeit als das Weichelement (18) aufweist.
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: 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: 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: 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.
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.