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1056
resultados
Última actualización
05/08/2026 [07:42:00]
Resultados 975 a 1000 de 1056
Resumen de: WO2026120290A1
A method of operating an electrolyser system comprising a plurality of stacks of electrolyser cell units. A production rate differs between stacks of the plurality of stacks. The method comprising: identifying a first subset of the plurality of stacks characterised by a first production rate at a nominal temperature and voltage; identifying a second subset of the plurality of stacks characterised by a second production rate at the nominal temperature and voltage; and identifying an overall production rate target for the plurality of stacks. The method further comprising: determining a plurality of subsidiary production rate targets for the respective subsets of the plurality of stacks based on dividing the overall production rate target by the number of stacks in the plurality of stacks; deriving a value for a first control parameter for the first subset of the plurality of stacks to satisfy their subsidiary production rate target; and controlling the plurality of stacks at the overall production rate target using a first control parameter derived for the first subset of the plurality of stacks.
Resumen de: US20260163025A1
0000 An electrochemical device can include a membrane electrode assembly (MEA), a separator stacked on the MEA and including a flow path portion provided to face the MEA, a manifold portion through which a reaction fluid can be introduced or discharged, and a through-hole provided between the flow path portion and the manifold portion to guide the reaction fluid, which has passed through the manifold portion, to the flow path portion, and a sealing part selectively separably stacked on the separator and configured to define a connection channel configured to connect the manifold portion and the flow path portion through the through-hole, and the sealing part includes a first elastic sheet, a second elastic sheet stacked on the first elastic sheet, and a reinforcement sheet having relatively higher rigidity than the first elastic sheet and the second elastic sheet and interposed between the first elastic sheet and the second elastic sheet.
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: WO2025132365A1
The invention relates to a device/method for capturing/converting CO2, comprising/using a CO2 capturing unit (2), a water electrolysis unit (5), an RWGS unit (8), an FT unit (13), a unit for converting by-products into syngas (28) and a hydrogen unit (20), in which a carbon dioxide separation unit (34) is arranged to: treat a first syngas (12) and a second syngas (29); produce a gaseous effluent depleted in carbon dioxide (18) and a gaseous effluent rich in carbon dioxide (35); and recycling the gaseous effluent rich in carbon dioxide (35) to the inlet of the RWGS section (8).
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: 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: 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: 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: 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: EP4756077A1
0001 Elektrolyseverfahren zur Erzeugung von Wasserstoff mit folgenden Verfahrensschritten: - Anlegen einer Spannung an mindestens eine Elektrode (20; 320), die zumindest teilweise in ein Wasser (5) oder ein Wassergemisch in einem Behälter (10; 210; 310) eingetaucht ist, - wobei sich während des Elektrolyseprozess das Wasser (5) oder das Wassergemisch in seine Bestandteile Wasserstoff und Sauerstoff auftrennen, und sich im Bereich der mindestens einen Elektrode (20; 320) Sauerstoffgas (81) und Wasserstoffgas (86) bilden, - Bewegen der Elektrode (20; 320) durch eine Bewegungseinrichtung (50; 150A, 150B), wodurch die an der mindestens einen Elektrode (20; 320) anhaftenden Sauerstoffgase (81) und/oder Wasserstoffgase (86) abgelöst werden.
Resumen de: GB2632328A
Disclosed is a methanation method comprising an electrolyser system, the electrolyser system (20) comprising an electrolyser (10) having at least one electrolyser cell (11), at least one fuel input (14) and at least one offgas output (46), the method further comprising supplying fuel comprising at least water and either or both carbon dioxide and carbon monoxide to the at least one fuel inlet, powering the electrolyser cell (11) with electricity to split water into hydrogen and oxygen, wherein the electrolyser (10) is operated at a temperature at or in excess of 150℃, and methanation occurs to the carbon dioxide and/or carbon monoxide in the electrolyser (10). There may be separate offgas outputs for methane and oxygen, as well as a condensation step for water and a separation step after the reaction. A methanation catalyst may be used, which is preferably nickel-based. Further disclosed is an electrolyser system, a method for generating methane, and a method for operating an electrolyser system.
Resumen de: WO2026121660A1
The present invention relates to a method for manufacturing an alkaline water electrolysis diaphragm, capable of optimizing ionic conductivity and mechanical strength of the diaphragm and minimizing gas crossover by means of optimizing a coating gradient during a manufacturing process of the diaphragm to improve coating uniformity.
Resumen de: EP4756935A1
The invention relates to a method for preparing an electrocatalyst comprising a first step of mixing and milling of a metal salt, a polyphenol and a surfactant followed by a second step of heating the paste resulting from the first step at a temperature higher than or equal to 700°C under an N2 atmosphere.
Resumen de: EP4757159A1
A method of operating a power supply system (1) for a multi-stack electrolyzer system (2) is presented, the power supply (1) comprising a transformer unit (3) operable to transform an alternating current electrical power (AC) and a rectifier system (4) operable to convert the alternating current electrical power (AC) to a direct current electrical power (DC), wherein at least two thyristor-type rectifier units (5) are connected in parallel between the transformer unit (3) on the AC side and an electrolysis array (110) on the DC side of the rectifier (4), and wherein the two rectifier units (5) are connected to different electrolyser stacks (6a, 6b), wherein the method comprises controlling the voltage of the rectifier units (5), wherein a reference DC voltage is provided to a control unit (7), wherein the control unit (7) controls the DC voltage (Vdc) to a common reference value (Vdc ref) by providing a corresponding firing angle (αref). Moreover, a related controller, power supply and the multi-stack electrolyzer system, are provided.
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.
Nº publicación: EP4754379A1 10/06/2026
Solicitante:
SIEMENS ENERGY GLOBAL GMBH & CO KG [DE]
Siemens Energy Global GmbH & Co. KG
Resumen de: WO2025067773A1
The invention relates to an offshore electrolysis system (100) comprising: a wind turbine (1) having a platform (3) and an electrolysis plant (5) which is arranged on the platform (3) and is connected to the wind turbine (1) in order to supply electrolysis current; and a water supply device (7) which is connected to the electrolysis plant (5) and has a water collector (13) which is designed such that it is possible, without relying on seawater, to obtain water with little or no salt content which can be used as feed water for operating the electrolysis plant (5). The invention also relates to a method for operating a corresponding offshore electrolysis system (100), wherein, without relying on seawater, water is obtained in a water collector (13), the obtained water being of a quality with little or no salt content.
BOPI
Sede Electrónica
