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371
results.
Updated on
14/02/2026 [07:03:00]
Results 325 to 350 of 371
Absstract of: FR3163385A1
L’invention concerne une installation (2) comprenant un dispositif électrochimique (4) de production de dihydrogène, et un dispositif de refroidissement (6) comportant : une unité de refroidissement (32) d’un fluide caloporteur (30) ;un échangeur thermique (34) configuré pour assurer un échange de chaleur entre le fluide caloporteur (30) et au moins une partie du dispositif électrochimique (4) ;un réservoir de découplage (36) fluidiquement connecté entre l’unité de refroidissement (32) et l’échangeur thermique (34) ;une unité (26) de stockage d’énergie électrique ;au moins une pompe électrique (37) configurée faire circuler le fluide caloporteur (30) entre le réservoir de découplage (36) et l’échangeur thermique (34) ; et une unité de commande (28) configurée pour, en cas de détection d’une situation de défaut d’alimentation de l’unité de refroidissement (32), commander l’alimentation électrique de chaque pompe électrique (37) par l’unité (26) de stockage d’énergie électrique. Figure 1
Absstract of: WO2024240539A1
The invention discloses a gas generator (20) for a tool comprising an electrolytic cell (30) for producing oxyhydrogen gas with a hollow cell body (31) and an electrode pair (32) with a first electrode (33) and a second electrode (35). Said first electrode (33) and said second electrode (35) are separated by a non-conductive separator (37) in said hollow cell body (31). A gas extraction tube (55) is arranged in the hollow cell body (31). Furthermore, said invention disclose a usage of such a gas generator in a tool and a tool with such a gas generator.
Absstract of: AU2024221020A1
The invention comprises a method for connecting a pair of electrolyser stacks with electrolyte, electric current and gas drain piping. Accordingly, each pair of stacks of the electrolyser: - through interconnection endplates are supplied with alkaline electrolyte at elevated pressure by common electrolyte supply pipes and further, - through the interconnection endplate drain off oxygen gas containing electrolyte, and hydrogen gas containing electrolyte, to common gas separation vessels for oxygen and hydrogen respectively, - pull first electrically interconnected current injection electrodes adjacent to interconnection endplates to zero electrical potential through a zero potential conductor, and - supply second current injection electrodes placed adjacent to distal endplates with electric current at potentials equally higher and lower respectively than the zero potential at the first electrodes.
Absstract of: US2025381499A1
The present invention regards a process for operating a high-temperature solid oxide electrolysis system suitable for converting a fuel stream into a product stream as well as a system for carrying out the process. The process involves drying a moist flush gas and using the spent flush gas as regeneration gas in the drying unit.
Absstract of: US2025382898A1
An energy storage system converts variable renewable electricity (VRE) to continuous heat at over 1000° C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. An array of bricks incorporating internal radiation cavities is directly heated by thermal radiation. The cavities facilitate rapid, uniform heating via reradiation. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. Gas flows through structured pathways within the array, delivering heat which may be used for processes including calcination, hydrogen electrolysis, steam generation, and thermal power generation and cogeneration. Groups of thermal storage arrays may be controlled and operated at high temperatures without thermal runaway via deep-discharge sequencing. Forecast-based control enables continuous, year-round heat supply using current and advance information of weather and VRE availability. High-voltage DC power conversion and distribution circuitry improves the efficiency of VRE power transfer into the system.
Absstract of: DE102024205520A1
Die Erfindung betrifft eine Elektrolysezelle (12) zum elektrochemischen Trennen von Wasser in Wasserstoff und Sauerstoff, mit:- einer anodenseitigen Halbzelle (16) zum Bereitstellen des Sauerstoffs,- einer kathodenseitigen Halbzelle (18) zum Bereitstellen des Wasserstoffs,- einem zwischen der anodenseitigen Halbzelle (16) und der kathodenseitigen Halbzelle (18) angeordneten Separatorelement (20).Erfindungsgemäß weist die Elektrolysezelle (12)- eine Rahmeneinheit (10) mit einem anodenseitigen Rahmenteil (22), an dem die anodenseitige Halbzelle (16) angeordnet ist, und einem separaten kathodenseitigen Rahmenteil (24), an dem die kathodenseitige Halbzelle (18) angeordnet ist, und- wenigstens ein erstes Dichtelement (26) auf, das zwischen dem anodenseitigen Rahmenteil (22) und dem kathodenseitigen Rahmenteil (24) angeordnet ist.
Absstract of: DE102024116793A1
Eine Vorrichtung zur Herstellung flüssiger Kohlenwasserstoffe, mit einem Mischer (3), der einen ersten Eingang (16) für Wasserstoff (8b), einen zweiten Eingang (26) für Kohlendioxid und Kohlenmonoxid sowie einen Ausgang (31) für ein Wasserstoff-Kohlendioxid/Kohlenmonoxid-Gemisch (27) aufweist; ferner mit einem Reaktor (4) zur Durchführung einer rückwärtigen Wassergas-Shift-Reaktion (RWGS-Reaktor) für die Erzeugung von Synthesegas (35), das Kohlenmonoxid und Wasserstoff enthält, wobei der RWGS-Reaktor (4) einen Eingang (32) aufweist, der mit dem Ausgang (31) des Mischers (3) in Strömungsverbindung steht, und einen Ausgang (36) für das Synthesegas (35) aufweist; und mit einem Reaktor (5) zur Durchführung einer Fischer-Tropsch-Synthese (FT-Reaktor) für die Erzeugung flüssiger Kohlenwasserstoffe, der einen Eingang (38) aufweist, der mit dem Ausgang (36) des RWGS-Reaktors (4) in Strömungsverbindung steht, und einen Ausgang (40) für die flüssigen Kohlenwasserstoffe ()39 aufweist; weist einen elektrochemischen Wasserstoffkompressor (2) auf, der einen Eingang (10) für Niederdruck-Wasserstoff (8a) und/oder für ein Wasserstoff (8a) umfassendes Niederdruck-Gasgemisch aufweist und einen Ausgang (11) für Hochdruck-Wasserstoff (8b) aufweist, wobei der Ausgang (11) mit dem ersten Eingang (16) des Mischers (3) in Strömungsverbindung steht.
Absstract of: WO2025257827A1
An electrolyzer includes a plurality of vertically stacked electrolysis cells, with one or more electrolyte supply tubes adjacent to said plurality of electrolysis cells and having a plurality of fluid outlets configured to discharge an electrolyte solution from said one or more electrolyte supply tubes to each of said plurality of electrolysis cells. Each of the cells is provided with one or more drain assemblies, each drain assembly comprising a drain basin equipped, with a drain valve, such that some or all drain valves in a given set of assemblies are engaged by a. common control member configured and operable to actuate each of the drain valves between a closed and an open position. A plurality of electrodes is connectable to one or more electrical power sources and configured to pass electric current through the electrolyte solution introduced into said electrolysis cells via said outlets.
Absstract of: WO2025257571A1
The present invention provides an ion-conducting membrane comprising: (a) an ion-conducting polymer; and (b) a hydrogen radical scavenger.
Absstract of: WO2025256864A1
The invention relates to an electrolysis cell (12) for electrochemically separating water into hydrogen and oxygen, comprising: - an anode-side half-cell (16) for providing the oxygen, - a cathode-side half-cell (18) for providing the hydrogen, and - a separator element (20) between the anode-side half-cell (16) and the cathode-side half-cell (18). According to the invention, the electrolysis cell (12) has - a frame unit (10) having an anode-side frame part (22), on which the anode-side half-cell (16) is provided, and a separate cathode-side frame part (24), on which the cathode-side half-cell (18) is provided, and - at least one first sealing element (26), which is provided between the anode-side frame part (22) and the cathode-side frame part (24).
Absstract of: WO2025259900A1
A system and method for generating hydrogen using thermal energy in a geothermal fluid are disclosed. An electrical power generation subsystem is configured to receive geothermal fluid from a geothermal fluid source and use thermal energy in the geothermal fluid to generate electrical power. A steam generation subsystem is configured to receive water and produce steam using thermal energy in the geothermal fluid and the electrical power generated by the electrical power generation subsystem. A hydrogen generation subsystem is configured to disassociate hydrogen from the steam using the electrical power generated by the electrical power generation subsystem.
Absstract of: WO2025259118A1
The present invention is concerned with device that is configured to be administered to the gut digestate of a ruminant animal, which device is capable of generating electrical energy from a gut digestate and/or measuring the concentration of hydrogen (H2) and/or oxygen (O2) that is present in the gut digestate. Further, the device according to the present invention may be modified to include an electrical load adjustment means (e.g. resistor, variable resistor etc) which may be used to adjust the electrical load of the device sufficient to cause the prescribed removal of H2, and in particular dissolved hydrogen (dH2), from the gut digestate. As such the device according to the present invention may be employed to adjust the amount of dH2 available to methanogenic archaea while at least not compromising animal productivity, thereby reducing the amount of methane released in the atmosphere which has an important environmental impact in terms of reducing greenhouse gas emissions.
Absstract of: WO2025258984A1
The present invention relates to a catalyst for an ammonia decomposition reaction, a method for preparing same, and a method for producing hydrogen by using same, and more particularly, to: a catalyst for an ammonia decomposition reaction, wherein at least one selected from ruthenium, nickel, cobalt, and iron is supported as a catalytically active species on an alumina catalyst support including a metal oxide layer containing at least one metal element selected from the group consisting of magnesium (Mg), yttrium (Y), and praseodymium (Pr), and thus the catalytic activity for the ammonia decomposition reaction can be improved even when using a smaller amount of a catalytically active species as compared to conventional catalysts, and the catalyst for an ammonia decomposition reaction is thermally stable and exhibits superior catalytic activity to conventional metal oxide catalysts, even at lower temperatures, and thus can improve ammonia conversion rates; a method for preparing same; and a method for producing hydrogen by using same.
Absstract of: WO2025258180A1
Problem To provide: a catalyst which has high hydrogen generation efficiency; a method for producing the catalyst; a method for producing a reusable metaborate; a hydrogen generator which is provided with the catalyst; and a fuel cell system which is provided with the hydrogen generator. Solution According to one embodiment of the present invention, there is provided a catalyst which is used for the purpose of generating hydrogen from a borohydride salt and water, the catalyst containing a metal oxide as a main component and a metal boride which is supported by the metal oxide.
Absstract of: KR20250175748A
본 발명은 수소 생산 설비에서 수소 생성을 위한 메탄 열분해 반응에 사용되는 액체금속을 열분해 반응로 내부에 형성된 수두차를 이용하여 순환시키는 기술에 관한 것으로, 용융된 액체금속을 수용하는 반응로; 상기 반응로 내부를 분할하여 제1격실 및 제2격실로 구획하는 격막; 상기 격막의 상부와 하부에 각각 천공 형성되어 상기 제1격실과 제2격실을 연통하는 유입구 및 유출구; 상기 유입구의 하부 위치에서 상기 격막의 제2격실측 일면 상에 설치되고, 양단에 단차를 형성하는 단차벽; 상기 제1격실에 수용된 액체금속 내부로 반응가스를 주입하는 반응가스 주입관; 및 상기 제2격실에 수용된 액체금속 내부로 연소가스를 주입하는 연소가스 주입관을 포함한다.
Absstract of: AU2024281599A1
A multi-tier integrated power-to-ammonia system includes a converter for generating ammonia and heat through a reaction involving a compressed mixture of hydrogen and nitrogen gases. The system includes a steam generator that can generate steam using the heat from the reaction, and a reversible solid-oxide system in fluid communication with the steam generator that can separate the steam into oxygen gas and hydrogen gas.
Absstract of: AU2024265029A1
A system and method for transporting and distributing hydrogen, reducing the risk of hydrogen leakage, maintaining a record of provenance, and measuring and recording its purity level as it flows from source to destination to assure it complies with a predetermined range of values. The system includes a hydrogen delivery line made from metallic or non-metallic pipe that may be placed inside a safety pipe such that a channel is formed between an exterior of the hydrogen delivery line and an interior of the safety pipe. A sweeper gas or liquid may be injected into the channel to purge any hydrogen that might escape from the hydrogen delivery line, and one or more sensors may be used to detect and avoid the presence of an unacceptable level of hydrogen, or to stop the flow of hydrogen and remediate the problem well before a safety or environmental risk can occur.
Absstract of: AU2024278486A1
The present disclosure provides a water electrolysis membrane electrode, a method for preparing the water electrolysis membrane electrode, and a water electrolyzer applying the water electrolysis membrane electrode. The water electrolysis membrane electrode includes a cathode gas diffusion layer, a cathode catalytic layer, an anion exchange membrane, a hydrophobic anode catalytic layer, and an anode gas diffusion layer that are stacked in sequence. Raw materials for preparing the hydrophobic anode catalytic layer include an anode catalyst, a hydrophobic material, and an anode ionomer. A mass ratio of the anode catalyst, the hydrophobic material, and the anode ionomer is 10:1- 3:1-3. A porosity of the hydrophobic anode catalytic layer is 10%-40%. The present disclosure provides a water electrolysis membrane electrode, a method for preparing the water electrolysis membrane electrode, and a water electrolyzer applying the water electrolysis membrane electrode. The water electrolysis membrane electrode includes a cathode gas diffusion layer, a cathode catalytic layer, an anion exchange membrane, a hydrophobic anode catalytic layer, and an anode gas diffusion layer that are stacked in sequence. Raw materials for preparing the hydrophobic anode catalytic layer include an anode catalyst, a hydrophobic material, and an anode ionomer. A mass ratio of the anode catalyst, the hydrophobic material, and the anode ionomer is 10:1- 3:1-3. A porosity of the hydrophobic anode catalytic layer
Absstract of: AU2024282746A1
Porous membrane, its method of production, and an alkaline electrolyzer with such membrane A porous membrane for alkaline water electrolysis is produced by a mix of a polymer, an alkoxide of an inorganic metal as a precursor for conversion into hydrophilic metal oxide or metal hydroxide particles, and a stabilizing agent for suppressing agglomera- tion of metal oxide or metal hydroxide particles during conversion of the precursor. The mix is cast as a layer on a support and exposed to nonsolvent-induced phase separation, NIPS, for converting the precursor in the layer into metal oxide particles or metal hy- droxide particles by hydrolyzing the precursor. The resulting membranes performed well in alkaline electrolysis.
Absstract of: AU2024280354A1
An eFuels plant and process for producing synthetic hydrocarbons using renewable energy are disclosed. The eFuels plant comprises a hydrocarbon synthesis (HS) system and a renewable feed and carbon/energy recovery (RFCER) system. The RFCER comprises an electrolysis unit to convert water to hydrogen and oxygen. The hydrogen and carbon dioxide are fed to the HS system to produce synthetic hydrocarbon products. The process further comprises a thermal desalination unit, a direct air capture unit, an oxygen-fired heater, a steam turbine generator, a heat recovery unit, anaerobic and/or aerobic wastewater treatment, or a combination thereof. Process streams of and heat generated in the HS and RFCER systems are integrated to improve energy, hydrogen, and carbon efficiency and maintain stable operations during power fluctuations to the eFuels plant.
Absstract of: CN120604367A
There is provided a multi-layer proton exchange membrane for water electrolysis, comprising: at least two reconstitution catalyst layers, each of which comprises a reconstitution catalyst and a first ion exchange material, and at least two reinforcement layers, each of which comprises a reconstitution catalyst and a second ion exchange material, wherein the at least two reconstitution catalyst layers are separated by regions free of or substantially free of reconstitution catalyst, each of the at least two reinforcement layers comprising a microporous polymer structure and a second ion exchange material at least partially absorbed within the microporous polymer structure.
Absstract of: WO2025258318A1
Provided are: a stack (10, 80) with which it is possible to ensure a flow of gas between a passage and a cell; a hot module (71); and a hydrogen production device (70). This stack comprises: cells (30) including an electrolyte (31) that isolates a fuel electrode (32) and an air electrode (33) from each other in the thickness direction; first separators (27) fixed to the cells; inter-connectors (34) in contact with the air electrodes; second separators (29) fixed to the inter-connectors; electrically insulating frames (28) disposed between the first separators and the second separators; and gas passages (24, 25) extending in the thickness direction of the first separators, the frames, and the second separators. The passages are connected to spaces (37) between the first separators and the second separators. The stack also comprises insulators (50) disposed between the passages and the cells within the spaces. The spaces in which the insulators are disposed each include a gas passage part (52) through which gas passes between the passages and the cells.
Absstract of: WO2025257961A1
This porous metal body sheet is formed of a porous metal body having a skeleton assuming a three-dimensional network structure. The porous metal body sheet has a first main surface and a second main surface on the opposite side to the first main surface. The first main surface includes a first inclined peripheral edge region, a second inclined peripheral edge region opposite to the first inclined peripheral edge region, and a central region between the first inclined peripheral edge region and the second inclined peripheral edge region. The first inclined peripheral edge region and the second inclined peripheral edge region are set apart from each other in a first direction. The first inclined peripheral edge region and the second inclined peripheral edge region each extend along a second direction intersecting the first direction, and are inclined so as to approach the second main surface as the distance from the central region increases in the first direction.
Absstract of: WO2025257962A1
This porous metal sheet is formed of a porous metal having a skeleton with a three-dimensional network structure. The porous metal sheet has a main surface in which a plurality of grooves are formed. An upper chamfer is formed on the upper corner of each of the plurality of grooves. A lower chamfer is formed on the lower corner of each of the plurality of grooves.
Nº publicación: WO2025257986A1 18/12/2025
Applicant:
NTT INC [JP]
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Absstract of: WO2025257986A1
A method for manufacturing a semiconductor optical electrode, said method including: a step for forming n-type gallium nitride 12 on a substrate 11; a step for forming indium gallium nitride 13 on the n-type gallium nitride 12; and a step for forming p-type nickel oxide 14 on the indium gallium nitride 13. In the step for forming the p-type nickel oxide, nickel oxide is sputtered in an atmosphere in which oxygen is mixed with a sputtering gas.
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