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940
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Última actualización
13/03/2026 [06:58:00]
Resultados 25 a 50 de 940
Resumen de: WO2026048903A1
A titanium porous body according to the present invention comprises a powder sintered body and is formed in a sheet shape having a thickness of 200 μm or greater. In the titanium porous body, holes present in a cross-section extending along the thickness direction have an average aspect ratio of 3.2 or higher, the aspect ratio being calculated as a ratio of the thickness-direction length of a hole to the width-direction length of the hole, within a visual field measuring 200 μm × 200 μm in the cross-section.
Resumen de: WO2026046825A1
The invention relates to a method for ammonia synthesis, comprising: providing hydrogen and nitrogen; supplying the hydrogen and the nitrogen to an ammonia synthesis circuit (20) comprising an ammonia converter (3) in which ammonia is catalytically synthesized, wherein a reactant gas mixture is supplied to the ammonia converter (4) and a product gas mixture is discharged from the ammonia converter (6); a circulator (1) which supplies a reactant gas mixture containing the hydrogen and the nitrogen to the ammonia converter (3); and a separator (11) in which ammonia is separated from a product gas mixture of the ammonia converter (4); wherein the ammonia synthesis circuit (20) is operated in a full-load operation in which a nominal flow rate of the hydrogen is provided to the ammonia synthesis circuit (20), and wherein the ammonia synthesis circuit (20) is either transferred from the full-load operation to a partial-load operation or from a partial-load operation to the full-load operation, wherein a flow rate of hydrogen is provided to the ammonia synthesis circuit (20) in the partial-load operation which is lower than the nominal flow rate, wherein, in the partial-load operation, a bypass gas flow branches off from the reactant gas mixture between the circulator (1) and the ammonia converter (4) and is supplied to the product gas mixture between the ammonia converter (4) and the separator (11).
Resumen de: WO2026047670A1
The invention provides Pt 1-99- Ir1-99-Mo-99 aerogel useful as a bifunctional electrocatalyst in a unified regenerative fuel cell. Also provided is a unified regenerative fuel cell and a method of storing and producing energy with the aid of a liquid hydrogen carrier (LHC) as a fuel material in a unified regenerative fuel cell.
Resumen de: WO2026046719A1
The invention relates to a method for catalytically producing methanol from biomass by means of electric current, wherein in a first stage, O2 and H2 are produced from water by electrolysis, wherein in a second stage, the biomass is converted into formic acid by means of an aqueous solution of a first catalyst in a first reaction vessel (R1), wherein the first catalyst reduced in the catalytic reaction is converted back into its initial state by oxidation, wherein for the oxidation thereof the oxygen produced in the first stage is introduced into the solution in the first reaction vessel (R1), wherein the solution with the formic acid resulting therein is transferred to a second reaction vessel (R2), wherein methanol is added to the solution during transfer into the second reaction vessel or in the second reaction vessel (R2), wherein the second reaction vessel (R2) is designed as a rectification column which optionally contains an acidic second catalyst which catalyses esterification of the methanol with the formic acid, wherein the second catalyst is present in solid form as a bed or in liquid form as an acid, wherein a reactive distillation is carried out in the second reaction vessel (R2) and the resulting methyl formate is transferred into a tank (T), wherein in a third stage, the methyl formate is evaporated from the tank (T) and is transferred to a third reaction vessel (R3) and there is hydrogenated with the H2 from the first stage by means of a third catalyst which c
Resumen de: DE102024208419A1
Elektrolysesystem zur elektrolytischen Spaltung von Wasser in Wasserstoff und Sauerstoff, mit einer elektrolytischen Zelle (1), die einen Anodenraum (2) und einen Kathodenraum (3) aufweist, die voneinander durch eine semipermeable Barriere getrennt sind, und mit einem Anoden-Wasserkreislauf (4), der über einen Anodenzulauf (5) den Anodenraum (2) mit Wasser versorgt und der über einen Anodenablauf (6) Wasser aus dem Anodenraum (2) aufnimmt, wobei im Anoden-Wasserkreislauf (4) ein Gas-Wasser-Separator (8) und eine Pumpvorrichtung (9) angeordnet sind. Das Wasser aus dem Kathodenraum (3) wird in einem Kathoden-Wasserpfad (14) aufgenommen und in den Anoden-Wasserkreislauf (4) einspeist, wobei im Kathoden-Wasserpfad (14) ein zweiter Gas-Wasser-Separator (17) angeordnet ist und im Anoden-Wasserkreislauf (4) ein Ionentauscher (10) zum Entfernen von Metall-Ionen. Im Kathoden-Wasserpfad (14) ist ein Radikalfänger (20) angeordnet.
Resumen de: US20260055519A1
An electrolysis apparatus operation system includes an electrolysis apparatus, a control unit, a target state-of-health value input unit, and a control parameter calculating unit. The electrolysis apparatus has a plurality of electrolytic stacks in which a plurality of electrolytic cells that produce hydrogen by electrolyzing water are stacked. The control unit controls a controlled subject based on a control parameter that affects state-of-health of the controlled subject. The target state-of-health value input unit allows a system user to input a target state-of-health value that is a target value for state-of-health. The control parameter calculating unit calculates a control parameter of the controlled subject based on the target state-of-health value. The controlled subject is the electrolysis apparatus.
Resumen de: AU2024263112A1
The present invention relates to 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: AU2024262986A1
The invention relates to the coating of cation exchange membranes with catalytically active substances. The catalytically actively coated cation exchange membranes are used in electrochemical cells, especially in fuel cells (proton exchange membrane fuel cells - PEMFC) or in electrolysers for water electrolysis (polymer electrolyte membrane water electrolysis - PEMWE). In order to counteract the disadvantages of conventional decal processes, an alterative process for coating cation exchange membranes was sought which enables the transfer of electrocatalysts without the need for high temperatures, high pressures and PFAS-based substrates. It was surprisingly found that catalyst layers which are treated, shortly before the transfer step, with a polymer-swelling solvent conducting the cations can be transferred far more easily.
Resumen de: WO2024223362A1
The invention provides an electrochemical stack (1) comprising a plurality of electrochemical cells (2) oriented horizontally and arranged between a top plate (4) and a bottom plate (3) of the stack (1), wherein the top plate (4) and the bottom plate (3) are braced relative to one another by a bracing means (5). At least one connection for supplying gaseous and/or liquid media to or removing them from the electrochemical cells (2) is provided on the top plate (4). The top plate (4) has suspension means (17) configured to fasten the electrochemical stack (1) to a frame (15), wherein the bottom plate (3) is free-floating. The mounting assembly for mounting the electrochemical stack comprises a frame (15), on which the electrochemical stack (1) rests with its suspension means (17) such that the bottom plate (3) is free-floating and the electrochemical cells (2) are oriented horizontally.
Resumen de: WO2024223472A1
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: MX2025012716A
An electrochemical device including: - at least one electrochemical cell, - two fluid lines, - a pre-heating unit for preheating at least one of the fluids before feeding the at least one fluid to the system, a load device for electrically oading the at least one electrochemical cell, - temperature sensors, - pressure sensors for detecting a pressure and/or a differential pressure, the device comprises a control management system. The control management system : - is configured to keep a temperature gradient between the inlet side and the exhaust side of at least one fluid line below a predefined system critical temperature gradient and/or to control a minimum temperature and/or a maximum temperature cross the electrochemical device compared with a pre-defined temperature reference; and/or - is configured to control the di f ferential pressure between the two fluid lines; and/or - is configured to control the pressure drop of at least one fluid line; and/or - is configured to control at least one maximum pressure and/or at least one minimum pressure of the fluid in the electrochemical device compared to a pre-defined pressure reference.
Resumen de: CN121039328A
A solid-state oxide cell stack has at least one connection plate between the solid-state oxide cell stack and adjacent end plates, between two adjacent end plates, and/or between adjacent five solid-state oxide cell sub-stacks.
Resumen de: AU2024220092A1
This disclosure relates to polymer electrolyte membranes, and in particular, to a composite membrane having at least two reinforcing layers comprising a microporous polymer structure and a surprisingly high resistance to piercing. This disclosure also relates to composite 5 membrane-assemblies and electrochemical devices comprising the composite membranes of the disclosure, and to methods of manufacture of the composite membranes. 21188108_1 (GHMatters) P120981.AU.1
Resumen de: CN121013919A
The invention relates to a cell layer (200) for an electrolysis cell stack (60) of an electrolysis device group (51), in particular a water electrolysis device group (51), comprising a frame (250), in particular a cathode frame (250), in the main central region of which a transport structure (210) of the electrolysis cell stack (60) is accommodated, said frame (250) comprising at least one circumferentially open through-passage opening (256), in which the transport structure (210) of the electrolysis cell stack (60) is accommodated, the access through hole is used for electrolyzing an effluent product medium (56) of the cell stack (60); a fluid flow path (257) is arranged between the inner edge of the frame (250) and the outer edge of the transport structure (210) beside the product medium passage through-holes (256), the fluid flow path (257) leading to at least one of the product medium passage through-holes (256).
Resumen de: GB2643827A
An energy storage system (60) comprises a high temperature electrolyser (70), and a battery pack (65) with cells (10) that comprise a ceramic electrolyte, means (75) to supply steam at above 400°C to the high temperature electrolyser (70), and means to carry a gas stream (77) containing hydrogen away from the high temperature electrolyser (70). The system (60) includes means (78, 82) to maintain the battery pack at an operating temperature above 170°C by use of heat from the high temperature electrolyser (70). The system (60) may be used in conjunction with a renewable energy source (62) of variable power output.
Resumen de: US20260055516A1
A water electrolysis cell includes a membrane-electrode assembly, a frame body made of resin that is provided along a peripheral edge of the membrane-electrode assembly, and a first separator and a second separator that face each other through the membrane-electrode assembly and the frame body and are joined to each other by the frame body. An outer peripheral portion of the membrane-electrode assembly is extended to between a first face of the frame body and the first separator. A surface of the first face includes an antioxidant.
Resumen de: WO2026040290A1
A hydrogen evolution electrocatalyst, a preparation method therefor, and the use thereof. The hydrogen evolution electrocatalyst comprises a nickel foam substrate, a Ni3S2 nanosheet layer and a graphdiyne coating layer; at least part of the outer surface of the nickel foam substrate is provided with the Ni3S2 nanosheet layer; nickel atoms in the Ni3S2 nanosheet layer come from the nickel foam substrate; at least part of the outer surface of the Ni3S2 nanosheet layer is provided with the graphdiyne coating layer. The hydrogen evolution electrocatalyst has the characteristic of high catalytic activity.
Resumen de: AU2024324493A1
A membrane-electrode assembly for a water electrolyser is provided. The membrane- electrode assembly comprises a polymer electrolyte membrane with a first face and a second face; an anode catalyst layer on the first face of the membrane, the anode catalyst layer comprising an oxygen evolution reaction catalyst; and a porous web of polymer fibres in contact with the anode catalyst layer, the polymer fibres comprising a conductive metal additive.
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: CN120787177A
The invention provides a ruthenium catalyst for ammonia decomposition reaction and a production method thereof. The ruthenium catalyst exhibits a conversion rate of almost 100% at a reaction temperature of 550 DEG C, even further exhibits a conversion rate of 93.6% or more at 500 DEG C, and also exhibits a conversion rate of about 60% or more at a low reaction temperature of 450 DEG C, so that the catalyst has excellent ammonia decomposition activity and low manufacturing cost, and can be used in the field of catalytic cracking. And therefore, the method is economical for ammonia decomposition processes even in large-scale decomposition processes at relatively low temperatures.
Resumen de: KR20260026808A
수소 생산 시스템이 제공된다. 본 발명의 일 측면에 따른 수소 생산 시스템은 물과 유기 연료를 이용하여 수소 혼합 유체를 생산하는 제1 수소생성기와, 상기 제1 수소생성기로 유입되는 상기 물과 상기 유기 연료를 가열하는 하나 이상의 히터를 포함하는 제1 수소생성부; 상기 제1 수소생성부에 상기 유기 연료를 공급하는 연료공급부; 상기 제1 수소생성부에 상기 물을 공급하는 물공급부; 및 상기 수소 혼합 유체로부터 수소 기체를 분리하는 흡착부;를 포함하되, 상기 제1 수소생성부는 상기 제1 수소생성기의 하류에 제1 열교환부를 더 포함하고, 상기 제1 수소생성기로 공급되는 상기 물은 상기 제1 열교환부를 경유하여 상기 수소 혼합 유체와 열교환한 후에 상기 제1 수소생성기로 공급될 수 있다.
Resumen de: MA73371A1
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 solid oxide cell sub-stacks.
Resumen de: KR20240154110A
The present invention relates to a method for preparing a complex metal catalyst in the form of a tri-metal of ruthenium, yttrium, and potassium by using a thermally transformed delta-alumina support and to a method for preparing hydrogen through an ammonia cracking reaction using the same. An ammonia cracking catalyst according to the present invention adjusts the ratio of ruthenium/potassium + yttrium, along with a thermally transformed alumina support in a specific phase, even when using a low content of ruthenium metal, minimizes the contents of chlorine and nitrogen compounds, which are impurities in the catalyst, and localizes active metals in the catalyst, thereby achieving a very high ammonia conversion rate and hydrogen production efficiency even at low temperatures, compared with a catalyst having the same content of the ruthenium metal.
Resumen de: CN120857975A
The invention discloses a catalyst for ammonia dehydrogenation, a preparation method thereof and a method for preparing hydrogen by using the catalyst. The disclosed catalyst for ammonia dehydrogenation comprises a clay, and an alkali metal and ruthenium impregnated in the clay.
Nº publicación: JP2026034357A 27/02/2026
Solicitante:
真環科技股▲ふん▼有限公司
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.
BOPI
Sede Electrónica
