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1006
resultados
Última actualización
28/02/2026 [07:14:00]
Resultados 25 a 50 de 1006
Resumen de: US20260043158A1
An electrolytic cell and an anion-exchange conductive hollow fiber tube matrix thereof are disclosed. The anion-exchange conductive hollow fiber tube matrix includes a plurality of conductive hollow fiber tubes arranged adjacent to each other in a matrix. The conductive hollow fiber tubes each have a diffusion surface and two opposite ends defined as an inlet and an outlet. An anode and a cathode of the electrolytic cell are disposed adjacent to the diffusion surface. Water in an electrolysis tank flows into the conductive hollow fiber tubes from the inlet, water molecules enter the cathode from the diffusion surface and decompose to produce hydrogen and hydroxide ions, the hydrogen is discharged from the cathode, the hydroxide ions return to the conductive hollow fiber tubes from the diffusion surface and then enter the anode from the diffusion surface to produce oxygen, the oxygen is discharged from a surface of the anode.
Resumen de: US20260027556A1
A catalyst for decomposition of ammonia, and a method for decomposition of ammonia in which a decomposition reaction of ammonia is performed in the presence of the catalyst, the catalyst including a carrier, and catalytically active components supported on the carrier, where the catalytically active components include i) ruthenium (Ru) as first metal; ii) lanthanum (La) as second metal: and iii) one or more of aluminum (Al) and Cerium (Ce) as third metal, and the catalyst has a porosity of 25% or more. The catalyst exhibits very high ammonia conversion rates, has little pressure difference between the front end and back end of the reactor, has high catalyst strength, and catalyst layer temperature difference is very small.
Resumen de: WO2025028396A1
A method for producing hydrogen is provided in which ammonia can be highly efficiently decomposed even with low power consumption to produce hydrogen. This method for producing hydrogen includes a step in which an ammonia decomposition catalyst including a titanium oxide represented by general formula (1) or a titanium oxynitride represented by general formula (2) is brought into contact with ammonia while being irradiated with microwaves at low output. General formula (1): ATiO3-x (A is at least one member selected from the group consisting of Ba and Sr, and x is a number represented by 0.1≤x≤2.0.) General formula (2): ATiO3-xNy (A is at least one member selected from the group consisting of Ba and Sr, x is a number represented by 0.1≤x≤2.0, and y is a number represented by 0.1≤y≤1.0.)
Resumen de: WO2025105885A1
A membrane-electrode assembly includes a first catalyst electrode, a polymer electrolyte membrane covering a side surface and an upper surface of the first catalyst electrode, and a second catalyst electrode disposed on the polymer electrolyte membrane, in which at least a portion of a corner area in which the side surface and the upper surface of the first catalyst electrode are connected has a curved shape.
Resumen de: WO2025095296A1
A solid oxide cell stack fastening apparatus, in which downward pressure applied to the solid oxide cell stack is uniform throughout, includes a housing which accommodates a solid oxide cell stack and includes a first coupling part on one side thereof, and a first block which includes a second coupling part and an elastic member in contact with the solid oxide cell stack. The first coupling part and the second coupling part each have screw threads coupled to each other.
Resumen de: PL449572A1
Przedmiotem zgłoszenia jest elektrolizer do elektrolizy wody, z elektrodami ulokowanymi poziomo, które to elektrody są w pionie poprzecinane kanałami, gdzie stosunek pola przekroju poprzecznego pojedynczego kanału do jego długości wynosi co najwyżej 0,3 i mikroporowatego separatora, między tymi elektrodami, charakteryzujący się tym, że wspomniane elektrody (1, 2) i separator (4) je oddzielający są wypukłe w stronę dna elektrolizera i elektroda górna (1) jest ulokowana w objętości, której dotną ścianę stanowi separator (4) i obie strony: górną i dolną tej elektrody, łączą kanały do cyrkulacji elektrolitu (7, 7a) i poniżej dolnej strony kraju separatora (4) są również wykonane otwory cyrkulacyjne (13, 13a), a elektroda dolna (2) jest ulokowana poniżej tych otworów.
Resumen de: US20260043150A1
A photocatalytic cell of the disclosure is installed in an inclined manner at an angle of 5° or more and 45° or less with respect to a horizontal plane. The photocatalytic cell includes: a translucent member; an electrolytic solution; a photocatalytic sheet including photocatalytic particles; an injection port through which the electrolytic solution is injected into an inside of the photocatalytic cell; a discharge port through which the electrolytic solution is discharged to an outside of the photocatalytic cell; and an exhaust port through which gas inside the photocatalytic cell is discharged, at least a part of the photocatalytic sheet is immersed in the electrolytic solution, a position of the exhaust port is higher than a position of the injection port, a gap between a surface of the translucent member and a surface of the photocatalytic sheet is 5 mm or more and 50 mm or less in width, and the injection port and the discharge port allow the electrolytic solution to flow from an upper part toward a lower part in the gap between the translucent member and the photocatalytic sheet.
Resumen de: WO2026037594A1
The invention relates to an electrolysis device (10) having at least one electrolysis unit (12) for reducing a medium provided for the electrolysis, in particular water, an air supply line (20) for supplying air to the electrolysis unit (12), and an exhaust gas line (24) for discharging anode exhaust gases of the electrolysis unit (12). According to the invention, the air supply line (20) has a compressor (66) for increasing the pressure of the air, and the exhaust gas line (24) has a turbine (74) mechanically coupled to the compressor (66).
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: 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: 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: 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: 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.
Nº publicación: WO2026037726A1 19/02/2026
Solicitante:
BOSCH GMBH ROBERT [DE]
ROBERT BOSCH GMBH
Resumen de: WO2026037726A1
The invention relates to a method for operating an electrochemical system which comprises a plurality of electrochemical stacks (11; 12; 13; 21; 22; 23; 31; 32; 33) that are electrically and/or hydraulically interconnected. The following steps are carried out: - detecting at least one state parameter of each stack (11; 12; 13; 21; 22; 23; 31; 32; 33), - determining a degree of degradation of each stack (11; 12; 13; 21; 22; 23; 31; 32; 33) using the detected state parameters, - outputting a recommendation for replacing at least one stack (11; 12; 13; 21; 22; 23; 31; 32; 33) depending on the degree of degradation of the stack, wherein the recommendation comprises a degree-of-degradation range that the new stack (11; 12; 13; 21; 22; 23; 31; 32; 33) to be installed should have and a point in time at which the replacement should take place.
BOPI
Sede Electrónica
