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resultados
Última actualización
21/02/2026 [07:11:00]
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: 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: 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.
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: 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: 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: 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: 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.
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.
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).
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.
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).
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.
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.
Resumen de: US20260035242A1
A hydrogen generation system with controlled water distribution is disclosed. The system comprises a reaction chamber containing a hydrogen-producing fuel, a liquid distribution mechanism, and a control system. The liquid distribution mechanism includes a rotating arm with liquid injection ports that move vertically through the fuel chamber. This allows for precise and efficient liquid delivery to unreacted fuel, optimizing hydrogen production. A proprietary fuel blend utilizes chemicals that store significant amounts of hydrogen in a solid-state form. A feature of the device is the arm's controlled vertical movement, achieved through a screw mechanism that adjusts the arm's height as it rotates, creating a spiral liquid distribution pattern. The control system regulates liquid injection rates, arm rotation speed, and vertical movement to optimize hydrogen production based on demand. The system can also operate at low pressures and be scaled to different sizes in a safer, more efficient, on-demand manner.
Resumen de: JP2023012629A
To provide a water decomposition device capable of easily collecting generated hydrogen, the whole device being easily and compactly configured.SOLUTION: A water decomposition device (1) comprises: an electrolytic cell (5) in which an electrolytic solution (3) is housed; an oxygen generation electrode (9) which is a photoelectrode including an n-type semiconductor layer (7) immersed in the electrolytic solution (3) in the electrolytic cell (5); and a hydrogen generation electrode (13) including a hydrogen storage alloy layer (11) immersed in the electrolytic solution (3) in the electrolytic cell (5).SELECTED DRAWING: Figure 1
Resumen de: FI20246009A1
The present disclosure relates to methods and arrangements for improving the operational flexibility of systems (200) comprising an electrolyzer (201) configured to produce hydrogen and one or more downstream hydrogen processing units (202a-d), wherein at least one of the one or more downstream hydrogen processing units has a hydrogen mass flow operating capacity more restricted than hydrogen mass flow operating capacity of the electrolyzer. The operational flexibility of the system is improved by feeding additional hydrogen from an additional hydrogen source (203) to the one or more downstream hydrogen processing units to compensate for the difference.
Resumen de: CN120569516A
The invention provides an electrolytic cell system (10). The electrolytic cell system comprises a heat storage unit (14) and an electrolytic cell (16). The heat storage unit (14) comprises at least one heat source feed inlet. The electrolytic cell (16) comprises at least one electrolytic cell cell (20), a steam inlet and at least one exhaust gas outlet. The exhaust outlet is connected to the heat source feed inlet to heat the heat storage unit (14). The heat storage unit (14) is configured to use its stored heat to generate steam for one of feeding into the steam inlet at a time and generating electricity or both feeding into the steam inlet at the same time and generating electricity. The invention also provides a system comprising an intermittent or variable power source (12) and an electrolytic cell system (10) as defined above. The intermittent or variable power source (12) may be configured to simultaneously or separately power the electrolysis cell (16) and heat the heat storage unit (14) via a heating element.
Resumen de: MX2025009259A
A hydrogen generation system includes: a direct current (DC) power supply providing a driver signal, a reactive circuit coupled to the power supply and configured to generate a pulse drive signal from the driver signal, at least one reaction chamber coupled to the reactive circuit and receiving the pulse drive signal wherein the chamber is configured to generate hydrogen from feedstock material utilizing the pulse drive signal, a gas analyzer coupled to the at least one reaction chamber and configured to detect the generated hydrogen, and a control unit coupled to the reactive circuit and to the gas analyzer and configured to control the reactive circuit based on the detected hydrogen. The reaction chamber includes a plurality of positively charged elements and a plurality of negatively charged elements. The elements are composed of non-dis similar metallic material.
Nº publicación: JP2026023740A 13/02/2026
Solicitante:
三浦工業株式会社
Resumen de: WO2026028848A1
In a hydrogen boiler (3), hydrogen gas and oxygen gas supplied from a water electrolysis device (2), which generates the hydrogen gas and the oxygen gas by electrolyzing water, are combusted in a combustion chamber of the hydrogen boiler (3), and a water pipe of the hydrogen boiler (3) is heated, thus generating water vapor.
BOPI
Sede Electrónica
