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Última actualización
06/08/2026 [07:39:00]
Resultados 1050 a 1075 de 1135
Resumen de: KR20260087387A
0001a 본 발명은 메타붕산나트륨 4수화물을 이용한 수소화붕소나트륨의 고체상 가수분해를 위한 조성물 및 이를 이용한 수소 제조방법에 관한 것으로, 더욱 상세하게는 수소화붕소나트륨 및 메타붕산나트륨 4수화물을 포함하는 수소 저장 및 생성을 위한 고체상 조성물을 이용하여 수소 수율이 향상되고 안정성이 보장되며 경제적인 수소 제조방법을 제공할 수 있다.
Resumen de: DE102024136557A1
Verfahren zum Betrieb eines Elektrolyse-Zellen-Systems mit mindestens einer Elektrolyse-Zelle bei dem mittels Elektrolyse aus einem Wasser (H2O) umfassenden Feedgas unter Einsatz elektrischer Energie ein Wasserstoff (H2)umfassendes Produktgas erzeugt wird mit den Schritten:Bereitstellen eines Elektrolyse-Zellen-Systems mit einer Zuleitung für die Zuleitung von Feedgas und einer Ableitung für die Ableitung von Produktgas;Bereitstellen einer Messeinrichtung zur Erfassung eines, den Sauerstoffpartialdruck im Produktgas repräsentierenden Messwertes (UN,out);Einspeisen eines Elektrolysestroms in das Elektrolyse-Zellen-System;Ermitteln eines Feed-Conversion-Ist-Wertes (FCist);Ermitteln einer Feed-Conversion-Regeldifferenz (FCdelta) zwischen dem Feed-Conversion-Ist-Wert (FCist) und einem vorgebbaren Feed-Conversion-Soll-Wert (FCsoll);Erzeugen eines Stellsignals (S) in Abhängigkeit der Feed-Conversion-Regeldifferenz (FCdelta);Einstellen eines oder mehrerer Prozessparameter des Elektrolyse-Zellen-Systems in Abhängigkeit des Stellsignals (S).
Resumen de: DE102024136564A1
Verfahren zum Betrieb eines Elektrolyse-Zellen-Systems mit mindestens einer Elektrolyse-Zelle bei dem mittels Elektrolyse aus einem Wasser (H2O) umfassenden Feedgas unter Einsatz elektrischer Energie ein Wasserstoff (H2)umfassendes Produktgas erzeugt wird mit den Schritten:Bereitstellen eines Elektrolyse-Zellen-Systems mit einer Zuleitung für die Zuleitung von Feedgas und einer Ableitung für die Ableitung von Produktgas;Bereitstellen einer Messeinrichtung zur Erfassung eines, den Sauerstoffpartialdruck im Feedgas repräsentierenden Messwertes (UN,in);Bereitstellen einer Messeinrichtung zur Erfassung eines, den Sauerstoffpartialdruck im Produktgas repräsentierenden Messwertes (UN,out) und/oder Bereitstellen einer Messeinrichtung zur Erfassung eines, die Differenz des Sauerstoffpartialdrucks im Feedgas zu dem Sauerstoffpartialdruck im Produktgas (16) repräsentierenden Messwertes (UN,diff);Einspeisen eines Elektrolysestroms in das Elektrolyse-Zellen-System;Ermitteln eines Feed-Conversion-Ist-Wertes (FCist);Ermitteln einer Feed-Conversion-Regeldifferenz (FCdelta) zwischen dem Feed-Conversion-Ist-Wert (FCist) und einem vorgebbaren Feed-Conversion-Soll-Wert (FCsoll);Erzeugen eines Stellsignals (S) in Abhängigkeit der Feed-Conversion-Regeldifferenz (FCdelta);Einstellen eines oder mehrerer Prozessparameter des Elektrolyse-Zellen-Systems in Abhängigkeit des Stellsignals (S).
Resumen de: WO2026119818A1
The invention relates to an electrode (10) having a metal substrate (14) in the form of a wire mesh (12), as well as to an electrolysis cell (100) comprising such an electrode.
Resumen de: US20260159967A1
An apparatus for generation of at least one of carbon dioxide or hydrogen from saline water is disclosed. The apparatus includes an anodic compartment, an anode on a first side of the anodic compartment, a cathodic compartment, a cathode on a first side of the cathodic compartment, a first cation permeable fluidic separator on a second side of the anodic compartment, a second cation permeable fluidic separator on a second side of the cathodic compartment, a center compartment between the first and second cation permeable fluidic separators, and a mixing chamber including an inlet fluidly connectable to or in fluid communication with the outlet of the anodic compartment and an outlet, the center compartment having one of an outlet fluidly connectable to or in fluid communication with the inlet of the mixing chamber or an inlet fluidly connectable to or in fluid communication with the outlet of the mixing chamber.
Resumen de: US20260159965A1
0000 This system uses a water electrolysis stack to split water into hydrogen and oxygen. Hydrogen is discharged at the negative electrode and stored in a hydrogen tank, while oxygen is discharged at the positive electrode and stored in an oxygen tank. The stored gases can be recirculated into the electrolysis stack as needed. Sensors measure hydrogen and oxygen concentration in the discharged fluid, and a controller compares these readings to safe limits. If a concentration is too high, valves automatically adjust to control the flow of stored gases. Additional components, such as an ejector and pressure controls, help ensure efficient operation and prevent unsafe gas buildup.
Resumen de: WO2026119814A1
The invention relates to an electrode (10) for use in alkaline water electrolysis, comprising a metal substrate (12) on which a catalyst layer (18) is applied at least in some sections, wherein the catalyst layer has a contact surface (20) in contact with the metal substrate and an opposite surface (22), wherein the catalyst layer has a Raney nickel material (24), wherein the catalyst layer also has metal particles (26) made of a metal alloy different from the Raney nickel material, wherein at least a partial number of these metal particles are arranged in such a way that they form the contact surface in some sections.
Resumen de: WO2024252118A1
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: US2024401211A1
Particular embodiments described herein provide for a synthetic fuel creation system. The synthetic fuel creation system includes a syngas creation station to create syngas, a crude creation station to create heavy syncrude, and a crude cracking station to convert the heavy syncrude into synthetic fuel. The synthetic fuel creation system can use an electrocatalysis system to create the syngas and the electrocatalysis system can include an anode, a cathode, oxygen evolution reaction catalysts, hydrogen/carbon monoxide evolution reaction catalysts, and an electrolyte, where a pH of the electrolyte is acidic during at least a portion of creation of the syngas.
Resumen de: WO2024223369A1
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: WO2024218486A1
Oxygen evolution catalyst materials are provided with a pyrochlore-type structure and with (i) calcium and / or sodium as A-site elements of the pyrochlore-type structure; (ii) iridium and / or ruthenium as first B-site elements of the pyrochlore-type structure; (iii) niobium and / or tantalum as second B-site elements of the pyrochlore-type structure; and (iv) a molar ratio of A-site elements: first and second B-site elements is in the range of and including 0.8: 1 to 1:1.
Resumen de: WO2024239034A1
The present invention relates to a gas conduit device (10) which serves to conduct a 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), which is made of a ceramic material and serves to electrically isolate electrical potentials at axial ends of the conduit body (11).
Resumen de: US20260159976A1
0000 The water electrolysis system is a water electrolysis system using an alkaline aqueous solution as an electrolytic solution, the water electrolysis system including a cell stack to which the electrolytic solution is supplied; a storage section in which the electrolytic solution is stored; an annular flow path connecting the storage section and the cell stack to each other; a pump section provided on the annular flow path; a scale removal section that is provided on the annular flow path and is capable of removing a scale included in the electrolytic solution; and a scale component removal section capable of removing scale components dissolved in the electrolytic solution at or below a saturation concentration.
Resumen de: AU2024388134A1
A polymer electrolyte membrane (PEM) electrolyser or fuel cell system for the extraction of hydrogen, the electrolyser or fuel cell system comprising first and second end plate assemblies provided at longitudinal and opposed ends of the electrolyser or fuel cell system with an electrolyser stack positioned between the first and second end plate assemblies; the electrolyser stack comprising a plurality of electrolyser cells wherein each cell comprises bi-polar contact plates separated by a catalyst-coated membrane or catalyst coated electrodes and wherein the electrolyser stack is located between a pair of current collectors; wherein each of said current collectors is arranged adjacent said first and second end plate assemblies respectively with a compression arrangement being located at each end of the fuel cell stack to apply a compressive force on each of the current collectors thereby clamping the plurality of bi-polar contact plates and the plurality of catalyst-coated membranes and/or catalyst coated electrodes therebetween to apply uniform pressure across the bi-polar contact plates, wherein the compression arrangement is further configured to be adjustable to vary contact pressure between the plurality of bi-polar contact plates.
Resumen de: CN118289707A
The invention discloses a system and a method for realizing hydrogen iodide decomposition by utilizing boiler hot flue gas. The system comprises a mixed liquid container, a mixed liquid pump, a pump outlet regulating valve, a boiler high-temperature flue gas area and a temperature control valve, an outlet of the mixed liquid container is connected to an inlet of the mixed liquid pump, an outlet of the mixed liquid pump is connected to an inlet of the pump outlet adjusting valve, an outlet of the pump outlet adjusting valve is connected to an inlet of the boiler high-temperature flue gas area, and an outlet of the boiler high-temperature flue gas area is connected to an inlet of the temperature control valve. Heat is obtained from the flue gas of the power station boiler, only the hydrogen iodide heating device needs to be placed in the high-temperature area of the boiler hearth, the two sides of the hydrogen iodide heating device are low in pressure, the safety of the hydrogen iodide heating device is greatly improved, in addition, heat is directly obtained from the flue gas, and the hydrogen iodide heating device is more economical compared with steam and electric energy.
Resumen de: US20260159970A1
0000 The present disclosure relates to an electrolysis system for generating hydrogen, the system comprising an electrolyzer comprising an electrolyte water inlet, a first gas outlet and a second gas outlet, an electrical generator configured to generate electricity, preferably for the electrolyzer, said electrical generator being connected to the first and/or second gas outlet of the electrolyzer and configured to be powered, at least in part, by gas flow provided via the first and/or second gas outlet, the system further comprising an electrolyte pump for supplying the electrolyzer with electrolyte water, wherein the electrical generator is a motor-generator comprising a first mode for generating electricity and a second mode for using electricity to drive the electrolyte pump.
Resumen de: US20260159964A1
0000 An apparatus for electrolysing seawater is disclosed. In one embodiment, the apparatus includes diaphragm-less electrolytic cells including an anode and a cathode. The anode includes a plurality of anode cells in series and the cathode includes a plurality of cathode cells in series to control the cell voltage and substantially prevent the production of oxygen and chlorine in the cells while hydrogen is being produced. Also disclosed is a membrane type Unipolar electrolytic cell when used to process alkaline seawater to produce twice the hydrogen and oxygen compared to a conventional electrolysis of seawater.
Resumen de: US20260159201A1
A marine hydrogen charging station according to one embodiment of the present invention comprises: a wind power generation unit provided on a buoyant body floating on the sea and generating electricity by using wind power; an electrolysis unit for electrolyzing seawater by using the electricity generated from the wind power generation unit; and a hydrogen storage unit for storing hydrogen generated from the electrolysis unit.
Resumen de: US20260159974A1
0000 The invention relates to a new kind of electrocatalyst to be incorporated as part of the electrodes, anode and cathode, in water electrolysers aimed for hydrogen production through the electrochemical splitting of water into oxygen and hydrogen. The electrocatalyst is characterized by a layered and porous structure that provides a high performance towards the oxygen evolution reaction in the absence of added ionomer. The object of the invention is framed in the field of energy.
Resumen de: CN121219225A
An ammonia cleavage reactor, the ammonia cleavage reactor comprising: one or more reaction tubes, the reaction tubes containing an ammonia cleavage catalyst; one or more fuel combustion elements for combusting fuel in a fuel combustion zone surrounding the one or more reaction tubes to provide thermal energy to support ammonia cracking in the one or more reaction tubes; and one or more electrically powered heating elements for providing thermal energy to support the ammonia cracking in the one or more reaction tubes wherein the one or more fuel combustion elements and the one or more electrically powered heating elements are disposed in the same reactor to support the ammonia cracking in the same reaction tube, and together form an electrically assisted fuel combustion ammonia cracking reactor.
Resumen de: US20260159969A1
0000 An electrolysis system includes: an electrolysis cell; and a mediator reduction tank. The electrolysis cell has: an anode electrode that electrochemically oxidizes a reduced form of a mediator; and a cathode electrode that performs at least one of generation of hydrogen by electrochemical reduction of protons or water and generation of an organic hydride by electrochemical reduction of a hydrogenation target substance. The mediator reduction tank non-photochemically reduces an oxidized form of the mediator generated in the electrolysis cell.
Resumen de: WO2026119721A1
The invention relates in particular to a facility for producing dihydrogen, the facility comprising an electrochemical device (1) and a fluid network that comprises at least one inlet pipe (3) configured to convey a fluid inlet flow to the electrochemical device (1). The inlet pipe (3) is provided with a first heat exchanger (10), the first heat exchanger (10) belonging to a first heating stage (E1) for heating the inlet flow using the heat of an outgoing flow (4, 9) from the electrochemical device (1) in order to increase the heat of the fluid inlet flow through a recirculation branch, and an electric gas heater (5) positioned downstream of the first exchanger (10). The inlet pipe (3) is also provided with a second heat exchanger (20) belonging to a second heating stage (E2), the two heating stages (E1, E2) being positioned one after the other on the inlet pipe (3).
Resumen de: EP4755868A1
0001 The present disclosure provides a compound including an organic group in which at least one hydrogen is substituted with a halogen atom, an ether group and a multi-aromatic ring, which is represented by Formula 1 below.
0002 In Formula 1, m and n are each independently an integer of 1 to 6, R<1> is each independently an organic group having 1 to 10 carbon atoms, R<2> is each independently an organic group having 1 to 20 carbon atoms, which includes at least one of an alkylene group and/or an arylene group, X is each independently a halogen atom, and Ars is a multi-aromatic ring having 10 to 50 carbon atoms.
Resumen de: EP4756082A2
An electrolyzer stack is configured for high-speed manufacturing and assembly of a plurality of scalable electrolysis cells. Each cell comprises a plurality of water windows configured to maintain a pressure loss, temperature rise and/or oxygen outlet volume fraction below predetermined thresholds. Repeating components of the cells are configured based on a desired roll web width for production and a stack compression system is configured to enable a variable quantity and variable area of said repeating cells in a single stack. A high-speed manufacturing system is configured to produce scalable cells and assemble scalable stacks at rates in excess of 1,000 MW-class stacks per year.
Nº publicación: EP4756076A1 10/06/2026
Solicitante:
AIR LIQUIDE [FR]
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE
Resumen de: EP4756076A1
0001 A process for producing a carbon monoxide rich product stream by electrolysis of carbon dioxide in an electrolyzer. Due to separation of the respective anode and cathode side product streams, a first off-gas stream containing carbon monoxide is generated at the cathode side, whereas a second off-gas stream containing oxygen is generated at the anode side. Both off-gas streams are supplied to an oxidizing device, in which the oxygen of the second off-gas stream is at least partially reacted with carbon monoxide present in the first off-gas stream to form carbon dioxide, whereby an oxygen depleted stream containing carbon dioxide is formed and recycled to the electrolyzer. A control process is applied which enables a controlled oxidation of carbon monoxide with oxygen to form carbon dioxide. Optionally, also hydrogen contained in the first off-gas stream is converted in the oxidizing device to form water.
BOPI
Sede Electrónica
