Resumen de: WO2026039480A1
A method for producing hydrogen including: performing electrolysis of a hydronium solution, the hydronium solution including: a molecule including hydrogen and oxygen; hydronium ions; hydroxide anions (OH-); a pH between -1.0 and 0.5; and a hydroxide anion OH- concentration of about 1% or less, wherein the hydronium solution is configured to maintain the same pH and the same hydroxide anion OH- concentration for at least six years. A method for producing hydrogen including: performing electrolysis of a hydronium solution, the hydronium solution including: a molecule including hydrogen and oxygen; hydronium ions; hydroxide anions (OH-); a pH between -1.0 and 0.5; and a hydroxide anion OH- concentration of about 1% or less, wherein the hydronium solution is configured to maintain the same pH and the same hydroxide anion OH-
Resumen de: WO2026039285A1
Provided are compositions comprising a catalytic oxide material having the atomic formula of M1xM2yM3zM4tM5uOv; and/or a catalytic alloy material having the atomic formula of M1xM2yM3zM4tM5u, where M1, M2, M3, M4 and M5 are selected from Ru, Ni, W, Nb, Mn, Fe, Ti, Ag, V, Co, and Mo. Further provided is the use of the catalytic oxide materials and/or the catalytic alloy materials in oxygen evolution reactions.
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.
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.
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.
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.
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).
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.
Resumen de: 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.
Resumen de: US20260049407A1
Provided is a carbon dioxide electrolysis device including: a carbon dioxide electrolysis cell including an anode, a cathode, an electrolyte, and a membrane disposed between the anode and the cathode. The carbon dioxide electrolysis device further includes; a supply line configured to supply gaseous carbon dioxide and water vapor to the cathode; and a discharge line configured to discharge, into the outside of the carbon dioxide electrolysis cell, the water vapor and a product produced by the electrolysis reaction of the gaseous carbon dioxide inside the carbon dioxide electrolysis cell, wherein the discharge line includes a condensation part configured to condense the water vapor discharged through the discharge line.
Resumen de: US20260049370A1
The present invention concerns a metal material production configuration (1) and a method of direct reduction of a metal oxide material (5) holding a first thermal energy into a direct reduced metal material (16) by means of a metal material production configuration (1).The method comprises charging the metal oxide material (5), holding the first thermal energy, into a direct reduction facility (7); introducing a hydrogen, holding a second thermal energy, into the direct reduction facility (7).The invention involves reducing the metal oxide material (5) by using the first thermal energy of the metal oxide material (5) to heat or further heat the introduced hydrogen containing reducing agent (8) toward a required reaction temperature for providing a chemical reaction. A high-temperature exit gas (12) is removed from the direct reduction facility and fed to a high-temperature electrolysis unit (21) configured to produce the hydrogen.
Resumen de: US20260048995A1
A method for manufacturing nano metal oxides and hydrogen includes the following steps: Step A, providing a first reactor, and placing a metal material, an alcohol compound, and a first catalyst in the first reactor and applying heating thereto for reacting to generate a metal alkoxide compound, while simultaneously generating a substantial amount of hydrogen; and Step B, providing a second reactor, and, after the metal material in the first reactor has fully reacted in Step A, transferring remaining solution in the first reactor into the second reactor, and adding a second catalyst and a controlled amount of water, and applying appropriate heating to generate nano metal oxide in powder form. As such, effects of significant reduction of production cost, enhancement of safety, widespread application of hydrogen fuel cells, extremely low carbon emissions, being defined as “green hydrogen”, and reduction of storage costs and risks can be achieved.
Resumen de: AU2026200708A1
Abstract A separator for alkaline electrolysis (1) comprising a porous support (100) and a porous layer (200) provided on the porous support, characterized in that a lateral Bubble Point of the separator, measured according to the method described in the description, is at least 0.2 bar. Abstract an b s t r a c t a n
Resumen de: AU2024328340A1
Provided is an electrode exhibiting high oxygen generating electrode catalytic activity as compared with conventional electrodes using manganese-based oxide as an oxygen generating electrode catalyst.
Resumen de: AU2024330634A1
The present invention refers to an electrolyser (1) for the production of hydrogen from an alkaline electrolyte. The electrolyser (1) comprises a first header (2) and a second header (3) between which a plurality of elementary cells (4) and a plurality of bipolar plates (5) are stacked. Each bipolar plate (5) separates two adjacent elementary cells. The electrolyser (1) further comprises a plurality of clamping elements (20) that mechanically connect said headers (2, 3). Each of the elementary cells (4) comprises a frame (6) defining a chamber (6A), having an anodic section and a cathodic section, in which an anodic electrode (7) and a cathodic electrode (8) are at least in part housed. Each of the elementary cells (4) further comprise a separator element (10) that separates the anodic section from the cathodic section. According to the invention, each of the frames (6) comprises first through holes (61) and each of the bipolar plates (5) comprises second through holes (51), wherein each of said first through holes (61) of one frame (6) is mutually aligned with a corresponding first through holes (61) of each of the another frames (6) and with one of said second through holes (51) of each bipolar plate (5), wherein each one of said clamping means (20) extends through said through holes (51, 61) mutually aligned.
Resumen de: DE102024207773A1
Verfahren zum Betreiben einer elektrochemischen Anlage, die mehrere elektrochemische Stacks (11; 12; 13; 21; 22; 23; 31; 32; 33) umfasst, die elektrisch und/oder hydraulisch zusammengeschaltet sind. Dabei werden folgende Schritte durchgeführt:- Erfassen wenigstens eines Zustandsparameters jedes Stacks (11; 12; 13; 21; 22; 23; 31; 32; 33),- Bestimmen eines Degradationsgrads jedes Stacks (11; 12; 13; 21; 22; 23; 31; 32; 33) unter Verwendung der erfassten Zustandsparameter,- Ausgeben einer Empfehlung zum Austausch wenigstens eines Stacks (11; 12; 13; 21; 22; 23; 31; 32; 33) abhängig vom Degradationsgrad des Stacks, wobei die Empfehlung einen Degradationsgrad-Bereich umfasst, den der neu einzubauende Stack (11; 12; 13; 21; 22; 23; 31; 32; 33) aufweisen soll, und einen Zeitpunkt, zu dem der Austausch erfolgen sollte.
Resumen de: 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.
Resumen de: 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.
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.
Resumen de: 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.
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.
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.
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.
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.
Nº publicación: EP4695446A1 18/02/2026
Solicitante:
HYDEP S R L [IT]
Hydep S.r.l
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).