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937
resultados
Última actualización
05/04/2026 [07:02:00]
Resultados 600 a 625 de 937
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: 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: JP2026027748A
【課題】燃焼器にＮＨ３と酸化剤を供給してＨ２とＮ２に分解し、精製してＨ２を効率よく製造することが可能な燃焼式アンモニア分解装置および燃焼式アンモニア分解方法を提供する。【解決手段】アンモニアおよび酸化剤が供給される燃焼器１１と、燃焼器１１が設置される燃焼炉１０と、燃焼炉１０に接続された触媒槽２０と、触媒槽２０に接続され、アンモニアと水分を凝縮して分離する凝縮槽３１と、凝縮槽３１に接続され、吸着剤が充填された吸着塔３３とを備え、燃焼炉１０においては、燃焼器１１にアンモニアおよび酸化剤を用いてアンモニア分解ガスを発生させ、触媒槽２０においては、燃焼炉１０から触媒槽２０に導入されたアンモニア分解ガスに含まれる未反応アンモニアを分解し、触媒槽２０が少なくとも２種類以上の触媒２１，２２により構成され、凝縮槽３１ではアンモニアを水に溶解して吸着塔３３に供給し、吸着塔３３では水とアンモニアに分離する。【選択図】図１
Resumen de: JP2026027770A
【課題】燃焼器にＮＨ３と酸化剤を供給してＨ２とＮ２に分解し、精製してＨ２を効率よく製造することが可能な燃焼式アンモニア分解装置および燃焼式アンモニア分解方法を提供する。【解決手段】アンモニアおよび酸化剤が供給される燃焼器１１と、燃焼器１１が設置される燃焼炉１０と、燃焼炉１０に接続された触媒槽２０と、触媒槽２０に接続された吸着槽３１とを備え、燃焼炉１０においては、燃焼器１１にアンモニアおよび酸化剤を用いてアンモニア分解ガスを発生させ、触媒槽２０においては、燃焼炉１０から触媒槽２０に導入されたアンモニア分解ガスに含まれる未反応アンモニアを分解し、触媒槽２０が少なくとも２種類以上の触媒２１，２２により構成され、吸着槽３１においては、未反応アンモニアを吸着して回収する。【選択図】図１
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: KR20260021885A
본 발명은 물을 전기분해하는 방식으로 그린수소 제조를 위한 전기촉매에 관한 것으로서, 양극 산소 발생반응과 음극 산소 발생반응의 두가지 방식으로 수행하는 P-doped MnO2 전기촉매에 관한 것이다. 구체적으로 본 발명은 PMnO2 전기촉매는 합리적인 비용으로 가능한 열수반응과 CVD공법으로 합성되는 것으로, 먼저 MnO2 는 열수반응으로 전처리 과정을 거친 후에 CVD 퍼니스에서 MnO2 에 인(P)을 도핑한다.
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: AU2024303309A1
The present invention provides a method of controlling an electrolyser cell stack within a system having a fluid temperature control system, a current control system, a voltage monitoring system, monitoring/control systems for the temperatures of the fluid inlet and outlet, by controlling the current to a fixed value, calculating a temperature delta between the fluid inlet and outlet, and adjusting the fluid input temperature if the delta is greater than a threshold value. The present invention also provides a method of determining a stack operating condition is the temperature delta as measured above is lower than a threshold value. The present invention also provides a control device and computer program capable of executing the method as outlined above.
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: JP2026027768A
【課題】燃焼器にＮＨ３と酸化剤を供給してＨ２とＮ２に分解し、精製してＨ２を効率よく製造することが可能な燃焼式アンモニア分解装置および燃焼式アンモニア分解方法を提供する。【解決手段】アンモニアおよび酸化剤が供給される燃焼器１１と、燃焼器１１が設置される燃焼炉１０と、燃焼炉１０に接続された触媒槽２０とを備え、燃焼炉１０においては、燃焼器１１にアンモニアおよび酸化剤を用いてアンモニア分解ガスを発生させ、触媒槽２０においては、燃焼炉１０から触媒槽２０に導入されたアンモニア分解ガスに含まれる残存アンモニアを分解し、触媒槽２０が少なくとも２種類以上の触媒２１，２２により構成される。【選択図】図１
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: 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.
Nº publicación: EP4695014A1 18/02/2026
Solicitante:
SIEMENS ENERGY GLOBAL GMBH & CO KG [DE]
Siemens Energy Global GmbH & Co. KG
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).
BOPI
Sede Electrónica
