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1033
resultados
Última actualización
23/03/2026 [07:02:00]
Resultados 625 a 650 de 1033
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: 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: AU2024291792A1
The disclosure concerns a process of carbon oxides-free hydrogen production is disclosed. The process comprises the following steps: - heating a gas stream of a reacting compound including hydrogen atoms in absence of oxidizing agents, to thermally decompose the reacting compound into smaller product compounds, including hydrogen molecules, obtaining a stream of decomposition product compounds; - separating hydrogen molecules from other product compounds of the stream of decomposition product compounds; - reacting a portion of the stream of separated hydrogen molecules with a stream of an oxidizing agent, in particular oxygen or air, to obtain combustion product compounds, including steam and heat, in a stream of combustion product compounds; - providing heat obtained in the previous step to the step of heating the reacting compound; and wherein the process can comprise a step of - recovering energy from the stream of decomposition product compounds and/or from the stream of combustion product compounds. Additionally, a system of hydrogen production is also disclosed, the system being configured to operate according to the above process.
Resumen de: WO2026027472A1
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 (H2) and an anode-side stream (6) comprising oxygen (O2); (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 (CO2) 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: WO2026027165A1
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 (In2, Out2), 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: WO2026027166A1
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 (ln2, Out2), 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: WO2026027698A1
The invention comprises an electrochemical cell stack unit (10) consisting of electrochemical cells, which can be used, for example, as a fuel cell unit for electrochemically generating electrical energy from hydrogen and/or as an electrolysis cell unit for generating hydrogen and oxygen from electrical energy.
Resumen de: WO2026027570A1
The invention relates to a method of operating an electrolysis system having a plurality of stacks, each of which comprises a plurality of individual cells in a stacked arrangement, where each individual cell has an anode and a cathode that are separated by a membrane. According to the invention, by defining a lower power threshold (Pmid,low) and an upper power threshold (Pmid,high), an average power range in which the ageing rate (AR) of the membranes reaches a maximum is defined, and, in order to reduce membrane ageing, the available electrical power (P) is divided between one or more stacks so as to avoid operation of any individual stack in the average power range. The invention further relates to a control unit for executing steps of the method according to the invention.
Resumen de: WO2026027751A1
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: WO2026027565A1
The present invention relates to an electrode, preferably a gas evolution electrode, comprising a substrate, a porous interlayer and a catalytic layer, wherein the porous interlayer comprises nickel and have a surface area of at least 0. 1 m2 /g measured by BET, wherein the catalytic layer comprises at least one catalytically active metal, wherein said porous interlayer has an inner porous surface and an outer surface, wherein the at least one catalytically active metal is a transition metal, a rare earth element or a combination thereof, wherein at least 80% of said at least one catalytically active metal is deposited on the outer surface of said porous interlayer measured by cross-sectional SEM EDAX image analysis, wherein at most 20% of said at least one catalytically active metal is deposited in the inner porous surface measured by cross-sectional SEM EDAX image analysis.
Resumen de: WO2026027476A1
A process for the synthesis of methanol (MeOH) comprising the following steps: (a) passing a water-containing stream (3) through an electrolysis unit (4) to produce a cathode-side stream (5) comprising hydrogen (H2) and an anode-side stream (6) comprising oxygen (O2); (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 and optional carbon monoxide added through a separate stream (2); (d) compressing said syngas (12) in a compressor (27, 28) 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 (19, 22); (i) recycling as feed to the electrolysis unit (4) at least a portion of at least one of: (A) a portion (31) of said compressed syngas (13); and/or (B) a bottom water stream (20) of a distillation column (16, 17).
Resumen de: DE102024207270A1
Die Erfindung betrifft ein Verfahren zum Betreiben eines Elektrolysesystems (1), umfassend einen Elektrolysestack (2) mit einer Anode (2.1) und einer Kathode (2.2) sowie einen Elektrolytkreislauf (3), über den der Anode (2.1) ein Elektrolyt, vorzugsweise Wasser oder eine wässrige Lösung, zugeführt wird, wobei in den Elektrolytkreislauf (3) eine Kühleinrichtung (4) integriert ist, mit deren Hilfe der Elektrolyt gekühlt wird, bevor er über den Elektrolytkreislauf (3) erneut der Anode (2.1) zugeführt wird. Das Verfahren zeichnet sich erfindungsgemäß durch folgende Schritte aus:a) Prognostizieren einer maximal verfügbaren Kühlleistung der Kühleinrichtung (4),b) Bestimmen der Elektrolyt-Temperatur im Elektrolytkreislauf (3) stromabwärts der Kühleinrichtung (4) und stromaufwärts einer temperaturkritischen Komponente (5), vorzugsweise eines Ionentauschers, die bzw. der in einem Nebenpfad (6) angeordnet ist, der stromabwärts der Kühleinrichtung (4) über ein Ventil (7) mit dem Elektrolytkreislauf (3) verbundenen ist, wobei die Elektrolyt-Temperatur anhand der in Schritt a) prognostizierten maximal verfügbaren Kühlleistung bestimmt wird,c) Vergleichen der in Schritt b) bestimmten Elektrolyt-Temperatur mit einem vorab definierten Maximalwert sowied) zumindest teilweises Schließen des Ventils (7), wenn der Vergleich in Schritt c) ergibt, dass der Maximalwert überschritten wird.Die Erfindung betrifft ferner ein Elektrolysesystem (1), das zur Durchführung des Verfah
Resumen de: DE102024207372A1
Die vorgestellte Erfindung betrifft eine Bipolarplatte (100) für ein Elektrolysesystem (300), wobei die Bipolarplatte (100) umfasst:- einen Grundkörper (101) mit einer ersten Seite (103) und einer der ersten Seite (103) gegenüberliegenden zweiten Seite (105),wobei zumindest auf der ersten Seite (103) eine Vielzahl Kanäle (107) von einem ersten Ende zu einem dem ersten Ende gegenüberliegenden zweiten Ende verlaufen,wobei zwischen jeweiligen benachbarten Kanälen (107) Leitpfade (109) ausgebildet sind,wobei die Leitpfade (109) an einem ersten Ende fluiddicht verschlossen und an einem gegenüberliegenden zweiten Ende offen sind, undwobei jeweilige Kanäle (107) eine Anzahl Öffnungen (113) umfassen, die ein Überströmen von durch die Leitpfade (109) strömendem Fluid in die Kanäle (107) ermöglichen.
Resumen de: DE102025128171A1
Die vorliegende Offenbarung betrifft eine Elektrolyseur-Batteriezelle, ein Herstellungsverfahren und eine Vorrichtung zum Erzeugen von Wasserstoffgas aus erneuerbarer Energie. Die Elektrolyseur-Batteriezelle umfasst eine Membranbaugruppe, die im zentralen Bereich der Elektrolyseur-Batteriezelle angeordnet ist; eine Anodenkomponente und eine Kathodenkomponente, die jeweils auf beiden Seiten der Membranbaugruppe angeordnet sind; wobei die Anodenkomponente eine Anodentransportstruktur umfasst, um Fluid innerhalb des Elektrolyseurs bei einer ersten Geschwindigkeit in der Anodentransportstruktur zu transportieren; wobei die Kathodenkomponente eine Kathodentransportstruktur umfasst, um Fluid innerhalb des Elektrolyseurs bei einer zweiten Geschwindigkeit in der Kathodentransportstruktur zu transportieren; wobei die Kathodentransportstruktur sich von der Anodentransportstruktur unterscheidet und der Durchschnittswert der zweiten Geschwindigkeit größer als der Durchschnittswert der ersten Geschwindigkeit ist. Die Lösung der vorliegenden Offenbarung verbessert die Transportrate des Fluids, unterstützt die Entladung der Gasprodukte auf der Kathodenseite und verhindert, dass die Gasprodukte auf der Kathodenseite die Katalysatorschicht bedecken, sodass die Reaktanten schnell die Elektrodenoberfläche erreichen können, wodurch die Reaktionsrate des elektrolysierten Wassers gewährleistet und die Leistung der Elektrolyseur-Batterie verbessert wird.
Resumen de: DE102024207257A1
Die Erfindung betrifft ein Verfahren zum Betreiben eines Elektrolysesystems mit mehreren Stacks, die jeweils eine Vielzahl an Einzelzellen in gestapelter Anordnung umfassen, wobei jede Einzelzelle eine Anode und eine Kathode aufweist, die durch eine Membran getrennt sind. Erfindungsgemäß wird durch Festlegen einer unteren Leistungsschwelle (Pmid,low) und einer oberen Leistungsschwelle (Pmid,high) ein mittlerer Leistungsbereich definiert, in dem die Alterungsrate (AR) der Membranen ein Maximum erreicht, und zur Verringerung der Membranalterung die verfügbare elektrische Leistung (P) so auf einen oder mehrere Stacks aufgeteilt wird, dass ein Betrieb eines einzelnen Stacks im mittleren Leistungsbereich vermieden wird.Die Erfindung betrifft ferner eine Steuereinheit zur Ausführung von Schritten des erfindungsgemäßen Verfahrens.
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).
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
