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1083
resultados
Última actualización
21/03/2026 [07:23:00]
Resultados 625 a 650 de 1083
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.
Resumen de: WO2026030458A1
A process of hydrogenating an unsaturated hydrocarbon is disclosed. The process comprises passing a hydrocarbon feed stream comprising toluene to a hydrogenation reactor. A hydrogen stream is passed to the hydrogenation reactor. In the hydrogenation reactor, the hydrocarbon feed stream is hydrogenated in the presence of hydrogen and a hydrogenation catalyst to produce a hydrogenated effluent stream comprising methylcyclohexane. The hydrogenated effluent stream is indirectly contacted with a water stream to produce a steam stream. The steam stream is taken from the hydrogenation reactor. In an electrolyzer, hydrogen is separated from the steam stream to produce the hydrogen stream which is passed to the hydrogenation reactor.
Resumen de: WO2026029047A1
A method for promoting a formic acid synthesis reaction according to the present invention involves reacting carbon dioxide with hydrogen in an ionic liquid, wherein a substituent in a cation of the ionic liquid is at least an amino group or a carboxyl group.
Resumen de: US20260035321A1
A process of hydrogenating an unsaturated hydrocarbon is disclosed. The process comprises passing a hydrocarbon feed stream comprising toluene to a hydrogenation reactor. A hydrogen stream is passed to the hydrogenation reactor. In the hydrogenation reactor, the hydrocarbon feed stream is hydrogenated in the presence of hydrogen and a hydrogenation catalyst to produce a hydrogenated effluent stream comprising methylcyclohexane. The hydrogenated effluent stream is indirectly contacted with a water stream to produce a steam stream. The steam stream is taken from the hydrogenation reactor. In an electrolyzer, hydrogen is separated from the steam stream to produce the hydrogen stream which is passed to the hydrogenation reactor.
Resumen de: US20260039120A1
The invention relates to a method for operating a renewable power plant (100) comprising at least one wind turbine (101) and an electrolyzer system (110), the renewable power plant is connectable with a grid (190) via a circuit breaker (123) located at a point of common coupling (PCC), wherein the renewable power plant comprises an internal grid (191) connecting the at least one wind turbine and the electrolyzer system with the point of common coupling, wherein the method comprises detecting a low voltage at any of the at least one wind turbine, and electrically disconnecting the electrolyzer system from the internal grid in response to detecting the low voltage.
Resumen de: US20260035819A1
An electrolysis system includes an electrolyzer cell stack, a water tank, and a hydrogen management system. The electrolyzer cell stack uses water and electricity to produce a hydrogen product gas and an oxygen product gas including crossover hydrogen gas. The water tank is configured to receive a hydrogen tank stream including water and dissolved hydrogen gas and an oxygen tank stream including water and dissolved oxygen gas. In the water tank, the dissolved hydrogen gas and the dissolved oxygen gas exsolve from the water to form a gas mixture. The hydrogen management system is configured to control a concentration of the crossover hydrogen gas in at least a portion of the oxygen product gas to form a diluent for introduction into the water tank to decrease a hydrogen gas concentration in the gas mixture of the water tank.
Resumen de: WO2026028790A1
Disclosed is a diaphragm for alkaline water electrolysis, which separates an anode chamber and a cathode chamber of an alkaline water electrolysis cell. This diaphragm for alkaline water electrolysis is provided with a polymer porous film which integrally has a sealing region that is sandwiched by cell constituent members in the alkaline water electrolysis cell, an edge region that is disposed on the outer peripheral side of the sealing region, and a separator region that is disposed on the inner peripheral side of the sealing region. The sealing region has a shape surrounding the separator region, and has a bulk part for preventing permeation of an electrolyte solution through the pores of the polymer porous film.
Resumen de: WO2026028789A1
This diaphragm for alkaline water electrolysis separates an anode chamber in which an anode of an alkaline water electrolysis tank is disposed and a cathode chamber in which a cathode is disposed, the diaphragm for alkaline water electrolysis comprising a polymer porous membrane integrally having a seal region, which is sandwiched by a tank-constituting member in the alkaline water electrolysis tank, and a separator region, which is disposed on the inner-peripheral side of the seal region. The separator region has an inter-electrode region that is smaller than the separator region and is sandwiched between the anode and the cathode, and a non-restraint region present between the seal region and the inter-electrode region. The polymer porous membrane has a frame-shaped bulk part that extends across the seal region, the non-restraint region, and the inter-electrode region.
Resumen de: TW202511178A
To provide: an ammonia-hydrogen mixed fuel production apparatus capable of stably obtaining hydrogen from ammonia even when there is a change in the required ratio of fuel; and a fuel supply system. An ammonia-hydrogen mixed fuel production apparatus 1010A comprises: an oxygen separation device 13 that separates oxygen (O2) 12 at a desired concentration from air 11; a reforming reactor 15 that converts ammonia (NH3) supplied from a raw material supply unit 14 into hydrogen (H2) by using the oxygen having the desired concentration from the oxygen separation device 13; and a gas component analyzer 17 that measures the concentration of one or both of hydrogen and ammonia in a reformed gas 16 from the reforming reactor 15.
Resumen de: AU2024308720A1
The disclosure provides a method of producing hydrogen. The method comprises conducting a thermochemical reaction by contacting an active reagent and a basic aqueous solution, to thereby cause water from the basic aqueous solution to react with the active reagent and to produce hydrogen and a basic aqueous solution comprising an oxidised product. The method further comprises disposing the basic aqueous solution comprising the oxidised product in an electrochemical cell comprising an anode and a cathode, such that at least a portion of the cathode contacts the solution; and conducting an electrochemical reaction by applying a voltage across the anode and the cathode to produce hydrogen, oxygen and the active reagent. The active reagent comprises a metal or metal ion in a first oxidation state and the oxidised product comprises the metal or metal ion in a second oxidation state which is higher than the first oxidation state.
Resumen de: US20260035815A1
The present invention relates to a sealing layer for use in an electrolyzer, a separator plate therefor and an electrolyzer. The sealing layer has at least one sealing bead, which, when installed in the stack, in plan view of the sealing layer runs around the flow field of the separator plate in a self-contained manner and has an initial bead height H0 determined before the first compression in the stack, wherein after an initial one-time compression of the sealing layer under nominal compression in the assembled, ready-to-use state of the stack and subsequent disassembly of the stack, the self-contained sealing bead has a bead height H where H≤0.3 H0.
Resumen de: US20260035817A1
This control device for a hydrogen production apparatus is intended to be used for a hydrogen production apparatus including an electrolyzer for electrolyzing water and a rectifier for supplying a direct-current electric power to the electrolyzer, the control device being provided with: a voltage control unit which is configured so as to adjust an output voltage output from the rectifier to the electrolyzer in such a manner that the output voltage of the rectifier is coincident with a set voltage; and a voltage set unit which is configured so as to set the set voltage to a first voltage that is larger than a rated voltage for the electrolyzer in at least a portion of the period during the start-up of the hydrogen production apparatus.
Resumen de: US20260035241A1
The present invention relates to a method and device for producing hydrogen by dissociating the water molecule through thermochemical reactions, using a small amount of active material. The thermochemical reactions are induced by solar energy with a moderate concentration of up to 50 suns, which can be achieved through linear or parabolic concentrators.
Resumen de: US20260035240A1
Disclosed is a catalyst suitable for the catalytic oxidative cracking of a H2S-containing gas stream. The catalyst comprises at least one or more active metals selected from the group consisting of iron, cobalt, and nickel, supported by a carrier comprising ceria and alumina. The active metal is preferably in the form of its sulphide. Also disclosed is a method for the production of hydrogen from a H2S-containing gas stream, comprising subjecting the gas stream to catalytic oxidative cracking so as to form H2 and S2, using a catalyst in accordance with any one of the composition claims.
Resumen de: US20260035816A1
A hydrogen production system including: a first renewable power source, a first electrolyser, and a single stage power converter having an input side and an output side, wherein the input side is connected to the first renewable power source and the output side is connected to the first electrolyser.
Resumen de: EP4686773A1
A frame assembly (Fr.Ass) comprising a frame (TF) configured to be integrated in a stack of frames of an electrolyzer, the frame comprising a central opening (CentOp), a first through opening (In<sub>2</sub>, Out<sub>2</sub>), a top surface (Top) and a bottom surface (Bot) opposed to the top surface (Top), the frame further comprising an open channel (OpCh) on the bottom surface (Bot), the frame assembly comprising a bipolar plate (BP) formed from a polymer material, the bipolar plate being arranged so as to seal the open channel (OpChan), the bipolar plate being welded to the frame (TF).
Resumen de: EP4686774A1
A frame assembly (Fr.Ass) comprising a frame (TF) configured to be integrated in a stack of frames of an electrolyzer, the frame comprising a central opening (CentOp), a first through opening (In<sub>2</sub> , Out<sub>2</sub> ), a top surface (Top) and a bottom surface (Bot) opposed to the top surface (Top), the frame further comprising an open channel (OpCh) on the bottom surface (Bot), the frame assembly comprising a bipolar plate (BP) formed from a polymer material, the bipolar plate being arranged so as to seal the open channel (OpChan), the bipolar plate being welded to the frame (TF).
Resumen de: EP4686772A1
The installation (10), comprises a piece of equipment delimiting an electrolyte storage or/and circulation volume (200), the piece of equipment comprising a metal wall (202) having an inner surface (208) facing the electrolyte storage or/and circulation volume (200).The piece of equipment further comprises:- a polymer adhesive protection layer (220) applied on the inner surface (208) of the metal wall (202) ;- a polymeric liner (222) positioned between the polymer adhesive protection layer (220) and the electrolyte storage or/and circulation volume (200), the polymeric liner (222) having an electrolyte contact surface (232) delimiting the electrolyte storage or/and circulation volume (200).
Resumen de: EP4686505A1
The present disclosure relates to a system suitable for photocatalysis comprising a semiconductor and selective contacts, the selective contacts being at least two, wherein the selective contacts are attached to the semiconductor; and the selective contacts comprise an electron transport layer and a hole transport layer. It also relates to a method to produce a system suitable for photocatalysis comprising the steps of: providing a sol-gel precursor of the semiconductor; dissolving the sol-gel precursor in a polar solvent; adding acid to the dissolution and stirring the dissolution to obtain a sol of the semiconductor; depositing the semiconductor in a suitable substrate; submitting the deposited semiconductor to a temperature of at least 300 °C for at least 1 hour to obtain a thin film of semiconductor; depositing on the semiconductor an electron transport layer and/or a hole transport layer. The present disclosure also relates to a method to obtain hydrogen from water or alcohol comprising the steps of contacting the system defined with water and/or alcohol, and irradiating the system as defined with light.
Resumen de: EP4686717A1
A process or plant for the synthesis of methanol (MeOH). The process comprises:(a) passing a water-containing stream (3) through an electrolysis unit (4) to produce a cathode-side stream (5) comprising hydrogen (H<sub>2</sub>) and an anode-side stream (6) comprising oxygen (O<sub>2</sub>);(b) heat-exchanging said cathode-side stream (5) and optionally said anode-side stream (6) in one or more indirect heat exchanger(s) (7, 8, 32, 33) to obtain a cathode-side heat-exchanged stream (9) and optionally an anode-side heat-exchanged stream (10);(c) condensing said cathode-side heat-exchanged stream (9) to separate a liquid condensate product (11) and a syngas (12);said cathode-side stream (5) and/or said syngas (12) comprise carbon dioxide (CO<sub>2</sub>) and optional carbon monoxide (CO) added through a separate stream (2);(d) compressing said syngas (12) and then feeding compressed syngas (13) to a MeOH synthesis loop (14) wherein catalytic conversion of said compressed syngas (13) into MeOH is carried out under methanol synthesis conditions, thus obtaining a crude methanol stream (15);(e) distilling said crude methanol stream (15) in one or more distillation column(s) (16, 17) to give a refined MeOH product (22);wherein said one or more indirect heat exchanger(s) (7, 8, 32, 33) provide a heat input to said one or more distillation column(s) (16, 17), and/or to said MeOH synthesis loop (14), and/or to said electrolysis unit (4).
Resumen de: JP2026017255A
【課題】触媒層における気液の入れ替わりを円滑化できる技術を提供する。【解決手段】膜・触媒層接合体は、電解質膜と、電解質膜の表面に形成された触媒層と、を備える。触媒層は、第１アイオノマー８３および第２アイオノマー８４を含む。第２アイオノマー８４のＥＷ値は、第１アイオノマー８３のＥＷ値よりも高い。このようにすれば、触媒層中に、第１アイオノマー８３により比較的親水性が高くなる第１領域Ａ１と、第２アイオノマー８４により比較的親水性が低くなる第２領域Ａ２とが形成される。これにより、触媒層において、気液の入れ替わりを円滑に行うことができる。【選択図】図４
Resumen de: TW202503114A
Provided are a gas production method and a gas production apparatus that are capable of preventing the composition of generated gas in a gas phase part of each circulation tank from reaching a flammability limit to reduce a bad effect of a remaining dissolved gas in electrolyte on gas purity even when an electrolyte exchange is carried out between an anode side circulation tank and a cathode side circulation tank. In the gas production method of producing oxygen gas and hydrogen gas by electrolyzing electrolyte which is alkaline water by means of an electrolysis vessel, the electrolyte is depressurized when an electrolyte on the anode side and an electrolyte on the cathode side are exchanged.
Resumen de: JP2026017267A
【課題】従来よりも高い耐久性を発揮する観点から有利な新規の水電解用電極を提供する。【解決手段】水電解用電極１は、導電性基材１０と、層状複水酸化物（ＬＤＨ）層２０とを備えている。ＬＤＨ層２０は、導電性基材１０上に設けられている。ＬＤＨ層２０の最小厚みｔ20は、５４０ｎｍ未満である。【選択図】図１
Resumen de: JP2026017268A
【課題】従来よりも高い耐久性を発揮する観点から有利な新規の水電解用電極を提供する。【解決手段】水電解用電極１は、導電性基材１０と、層状複水酸化物（ＬＤＨ）層２０とを備えている。ＬＤＨ層２０は、導電性基材１０上に設けられている。ＬＤＨ層２０のクラック頻度は、０．１８個／μｍ未満である。ＬＤＨ層２０のクラック頻度は、導電性基材１０とＬＤＨ層２０との間の単位界面長さ当たりのＬＤＨ層２０におけるクラックの個数である。【選択図】図１
Nº publicación: KR20260016954A 04/02/2026
Solicitante:
AVL LIST GMBH [AT]
\uC544\uD398\uC5D8 \uB9AC\uC2A4\uD2B8 \uAC8C\uC5E0\uBC14\uD750
Resumen de: CN121241457A
The invention relates to a gas conduit arrangement (10) for conveying high-temperature gas between high-temperature fuel cell stacks (SOFC stacks). According to the invention, the gas conduit device (10) has a conduit body (11) made of a ceramic material in order to electrically insulate potentials at both axial ends of the conduit body (11).
BOPI
Sede Electrónica
