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1075
resultados
Última actualización
26/06/2026 [07:05:00]
Resumen de: AU2024431660A1
The present invention provides: an operation method for an electrolysis device that is able to quickly reach a rated load; a control device for an electrolysis device; and an electrolysis system. Provided is an operation method for an electrolysis device (100) that is provided with a temperature adjuster (30), which adjusts the temperature of an electrolytic solution supplied to an electrolytic cell (40), the electrolytic cell (40), which electrolyzes the electrolytic solution supplied thereto via the temperature adjuster (30), and a gas-liquid separator (20), which separates a gas and a liquid produced by the electrolytic cell (40), wherein in a state in which the electrolysis device (100) is stopped, warm water is supplied to the temperature adjuster (30).
Resumen de: AU2024399298A1
The invention relates to the synthesis of urea from ammonia and carbon dioxide, wherein the hydrogen required for ammonia synthesis is obtained both by steam reforming of feed natural gas (grey hydrogen) and by electrolysis of water using electricity from renewable energy sources (green hydrogen). As the proportion of green hydrogen increases, the amount of carbon dioxide formed in the synthesis gas during steam reforming is no longer sufficient for the synthesis of urea. Therefore, flue gas, which is formed during the combustion of a fuel gas composed of fuel natural gas and combustion air and which also contains carbon dioxide, is additionally used. The oxygen formed during the electrolysis of water is introduced into the flue gas, and the modified flue gas is fed to a secondary reformer; and/or the fuel natural gas is combusted together with combustion air and the oxygen formed during electrolysis. Excess nitrogen is preferably separated from the synthesis gas before it is used for the synthesis of ammonia.
Resumen de: AU2024398716A1
A methanol plant and process for producing methanol are provided. A first SOE section is arranged to receive a carbon dioxide-rich feed and electrolyse it to a carbon monoxide-rich stream. A methanol loop is arranged to receive at least a portion of the carbon monoxide-rich stream and a hydrogen-rich stream and convert them to a crude methanol stream. A first H2O-rich stream is converted to a first steam stream by means of heat from the electrolysis process in the first SOE section. The first steam stream is used it as heat for the distillation of the crude methanol stream in the methanol distillation section.
Resumen de: DE102024212188A1
Die Erfindung betrifft ein Verfahren zum Betrieb einer Elektrolyseanlage (10), die einen Elektrolyseur (1) mit einer Vielzahl von elektrisch in Serie geschalteten Elektrolysezellen (5) aufweist, wobei Prozesswasser (H2O) den Elektrolysezellen (5) zugeführt und die Elektrolysezellen (5) mit einem Strom beaufschlagt werden, wobei als Produktgase Wasserstoff (H2) und Sauerstoff (O2) erzeugt werden, und wobei das Prozesswasser (H2O) in einem Prozesswasserkreislauf (31) geführt wird. Die Temperatur (TP) des Prozesswassers (H2O) wird dadurch geregelt, indem ein Temperatursollwert (TSET) für die Vorlauftemperatur (TIN) des Prozesswassers (H2O) vorgegeben wird, wobei die Betriebsstunden (OH) des Elektrolyseurs (1) aufgezeichnet und eine durch den Betrieb hervorgerufene Wirkungsgradeinbuße (Δη) ermittelt wird. Der Temperatursollwert (TSET) für die Vorlauftemperatur (TIN) wird in Abhängigkeit von der Wirkungsgradeinbuße (Δη) eingestellt.Die Erfindung betrifft ferner eine Elektrolyseanlage (10), die für die Durchführung des Verfahrens eingerichtet ist.
Resumen de: AU2024401570A1
The invention relates to a method for producing an electrode (10) for use in alkaline electrolysis of water, the method comprising: providing a metal substrate (12); providing a coating material (26) comprising powder (28) consisting of a catalyst material (20), and comprising non-metal particles (24); and coating at least a portion of the substrate with the coating material. The invention also relates to electrodes produced in this way.
Resumen de: DE102024212185A1
Die Erfindung betrifft ein Verfahren zum Betrieb einer Elektrolyseanlage (10), die einen Elektrolyseur (1) mit einer Vielzahl von elektrisch in Serie geschalteten Elektrolysezellen (5) aufweist, wobei Prozesswasser (H2O) den Elektrolysezellen (5) zugeführt und die Elektrolysezellen (5) mit einem Strom beaufschlagt werden, wobei als Produktgase Wasserstoff (H2) und Sauerstoff (O2) erzeugt werden, und wobei das Prozesswasser (H2O) in einem Prozesswasserkreislauf (31) geführt wird, wobei die Temperatur (TP) des Prozesswassers (H2O) dadurch eingestellt wird, dass lediglich auf die Vorlauftemperatur (TIN) des Prozesswassers (H2O) geregelt wird, wobei ein Temperatursollwert (TSET) für die Vorlauftemperatur (TIN) des Prozesswassers (H2O) vorgegeben wird.Die Erfindung betrifft ferner eine Elektrolyseanlage (10), die für die Durchführung des Verfahrens eingerichtet ist.
Resumen de: DE102024212190A1
Die Erfindung betrifft ein Verfahren zum Betrieb einer Elektrolyseanlage (10), die einen Elektrolyseur (1) mit einer Vielzahl von elektrisch in Serie geschalteten Elektrolysezellen (5) aufweist, wobei Prozesswasser (H2O) den Elektrolysezellen (5) zugeführt und die Elektrolysezellen (5) mit einem Strom beaufschlagt werden, wobei als Produktgase Wasserstoff (H2) und Sauerstoff (O2) erzeugt werden, und wobei das Prozesswasser (H2O) in einem Prozesswasserkreislauf (31) geführt wird, wobei die Temperatur (TP) des Prozesswassers (H2O) geregelt wird, indem als Temperatursollwert (TSET) die Vorlauftemperatur (TIN) des Prozesswassers (H2O) vorgegeben und die aus dem Elektrolyseprozess abgegebene Wärmemenge (Q) ermittelt wird, und wobei die Vorlauftemperatur (TIN) in Abhängigkeit von der abgegebenen Wärmemenge (Q) eingestellt wird.Die Erfindung betrifft ferner eine Elektrolyseanlage (10), die für die Durchführung des Verfahrens eingerichtet ist.
Resumen de: AU2024399357A1
The present disclosure relates to apparatuses for producing hydrogen, and to top-down methods for producing nanoparticles. Different mechanical mills may be used to break down micron sized soil or sand particles and to react the particles with water, particularly sea water.
Resumen de: US2025146147A1
Herein discussed is a method of producing carbon monoxide or hydrogen or both simultaneously comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a mixed-conducting membrane between the anode and the cathode; (b) introducing a first stream to the anode, wherein the first stream comprises a hydrocarbon; and (c) introducing a second stream to the cathode, wherein the second stream comprises carbon dioxide or water or both, wherein carbon monoxide is generated from carbon dioxide electrochemically and hydrogen is generated from water electrochemically.
Resumen de: WO2026003102A1
The invention relates to a method for producing an electrode (10) for use in the alkaline electrolysis of water, comprising providing a metallic, in particular nickel-based, substrate (12), providing a spray material comprising a nickel-iron alloy, and coating at least one section of the substrate with the spray material by means of thermal spraying. The invention also relates to such an electrode and a spray material.
Resumen de: WO2025042435A1
Processes for transporting hydrogen and/or carbon dioxide are described. A process comprises the methanation of hydrogen and carbon dioxide to produce a methanation product comprising methane, transport of the methanation product to a second location, and conversion of the methanation product at the second location to produce hydrogen and carbon dioxide.
Resumen de: EP4763799A1
Methods for producing synthetic fuels may include reacting hydrogen and carbon dioxide in with a first catalyst and an adsorbent in a first reverse water gas shift (rWGS) reactor to produce hydrogen, carbon monoxide, and water; cooling the hydrogen, carbon monoxide, and water produced in the rWGS, to produce a cooled syngas; separating, from the cooled syngas, water to produce a syngas comprising carbon monoxide, hydrogen, unconverted carbon dioxide, and methane; purifying the cooled syngas; reacting the cooled syngas with a second catalyst to produce a synthetic hydrocarbon solution; and purifying the synthetic hydrocarbon solution to produce a final product.
Resumen de: WO2025037994A1
The subject of this invention is the system for generation and use of hydrogen in which a subsystem for hydrogen generation (U1) contains a reaction chamber (1) with aluminium (2) and sodium hydroxide (3), to which a water nozzle (4) is attached, connected through a duct (5) to a water pump (6). The upper part of the reaction chamber (1) contains an outlet connection (7) connected to a subsystem for hydrogen purification (U2), which is connected to the subsystem for hydrogen oxidation (U3), to which an inlet (27) through oxygen is supplied, is connected. This system is characterised in that the subsystem for hydrogen purification (U2) contains at least one water tank (9) connected to the subsystem for hydrogen oxidation (U3), which outlet (21) is connected through a non-return valve (22) with the condensing tank (23).
Resumen de: EP4764033A1
0001 Die Erfindung betrifft ein Verfahren zur Rückgewinnung von Ammoniak sowie eine zugehörige Verwendung. Bei einem Verfahren zur Rückgewinnung von Ammoniak, wird eine Ammonium enthaltende Lösung (5) in einer elektrochemische Zelle (1) elektrochemisch zu Ammoniak umgesetzt. Das Ammoniak verlässt die elektrochemische Zelle (1) in gasförmigem Zustand (9).
Resumen de: WO2025042723A1
A computer-implemented method of providing hydrogen having a defined carbon intensity (CI) value to an end user location, the process comprising: selecting a total end-to-end maximum CI value for the hydrogen from production to delivery of the hydrogen to an end user location; receiving one or more feedstocks; receiving product CI values associated with each feedstock and/or the produced hydrogen; receiving demand data defining the end user demand for the hydrogen; receiving renewable power data; defining, in an optimization model, a plurality of constraints; generating, using the optimization model, a control strategy for control of the one or more industrial plants; and controlling the industrial plants in accordance with the values of the control variables to process the one or more feedstocks in order to provide a required quantity of hydrogen meeting the selected total end-to-end maximum CI value for use by an end user.
Resumen de: EP4576478A1
The invention relates to a water electrolysis installation (P) comprising a plurality of electrolysis clusters (Ci) operated at respective electrical power setpoints (Pik). The installation comprises and a supervision unit (SU) for operating the installation (P) according to an electrical network flexibility signal (FSk), the supervision unit (SU) comprising a modulation controller (MOD) for modulating synchronously the electrical power drawn by the installation (P) from an electrical network (NET) according to a preset arrangement, a priority sequencer (SEQ) to establish the preset arrangement asynchronously to the modulation controller (MOD), and a regulator module (REG) to regulate the actual power (Pk) drawn by the installation.
Resumen de: WO2025127755A1
A hydrogen production apparatus of the present invention comprises: an ammonia decomposition reactor for decomposing ammonia to discharge a mixed gas including hydrogen, nitrogen, and unreacted ammonia; an ammonia remover for receiving the mixed gas, adsorbing and removing the unreacted ammonia included in the mixed gas, and discharging a first product gas including hydrogen and nitrogen and a first tail gas; and a nitrogen remover for receiving the first product gas, removing nitrogen included in the first product gas, and discharging a second product gas including hydrogen and a second tail gas, wherein the second product gas discharged from the nitrogen remover is resupplied to the nitrogen remover as a purge gas and a pressurizing gas. According to the hydrogen production apparatus of the present invention, high-purity hydrogen can be continuously produced in large quantities.
Resumen de: US20260168622A1
0000 A distributed hydrogen energy system adds onto existing infrastructure of a localized renewable energy microgrid and utilizes excess generated energy to power an electrolyzer to produce hydrogen gas on site that is compressed and stored in a stationary pressure vessel. The stored hydrogen gas can be used directly within the local renewable energy microgrid wherein the stored hydrogen gas is converted to energy through use of one or more fuel cells or can be used in the context of a distributed energy system wherein the stored hydrogen gas is shared as part of a larger distribution network via pipeline or via one or more portable pressure vessels.
Resumen de: WO2026125486A1
The present invention relates to a method for operating a solid oxide electrolysis cell (SOEC) stack, the SOEC having a fuel (cathode) side and an oxy (anode) side. The SOEC stack is adapted for at least steam electrolysis to hydrogen. The invention further relates to a system and a plant suitable for carrying out the method. Specifically, the invention relates to using methanol as a reducing agent or using methanol for supplying a reducing agent in an SOEC.
Resumen de: US20260171434A1
The present invention relates to a bipolar plate (100) for a chemical energy converter (200, 300). The bipolar plate (100) comprises: a plurality of channels (101) for guiding operating media of the energy converter (200, 300),a plurality of supply openings (103) for supplying the plurality of channels (101) with operating media,a plurality of distribution channels (105) for distributing operating media to the plurality of channels (101), wherein respective distribution channels (105) of the plurality of distribution channels (105) extend between respective supply openings (103) of the plurality of supply openings (103) and respective channels (101) of the plurality of channels (101), and wherein respective supply openings (103) of the plurality of supply openings (103) have, on a distribution channel side which faces respective distribution channels (105) of the plurality of distribution channels (105), a curved edge region, at least in some regions.
Resumen de: WO2026128841A2
A method and system of generating electrical power or hydrogen from thermal energy is disclosed. The method includes adding heat to (or removing heat from) a salinity gradient generator configured to generate a more concentrated and a less concentrated saline solution. The method further includes drawing the more concentrated saline solution and the less concentrated saline solution from the salinity gradient generator and feeding the more concentrated saline solution and the less concentrated saline solution into a power generator. Feeding the saline solutions into the power generator causes the power generator to receive the saline solutions and generate power by performing a controlled mixing of the more concentrated saline solution and the less concentrated saline solution. The method further includes drawing, from the power generator, a combined saline solution comprising the mixed saline solutions and feeding the combined saline solution to the salinity gradient generator.
Resumen de: AU2026204236A1
A system (1) for generating hydrogen gas comprises a reaction vessel (101) containing an aqueous solution (102) and a cathode (105) and an anode (107) each positioned at least partly in the reaction vessel (101). The system (1) comprises first and second ultrasonic transducers (215-220) which emit ultrasonic waves in the direction of the cathode (105) and the anode (107) respectively. Each ultrasonic transducer (215-220) is driven by a respective transducer driver (202) to optimise the operation of the system (1) for generating hydrogen gas by sonoelectrolysis. un u n
Resumen de: US20260166526A1
One embodiment of the present invention provides a metal composite catalyst for ammonia decomposition and hydrogen production, comprising: a composite metal oxide support; and metal nanoparticles dispersed on a surface or inside pores of the composite metal oxide; wherein the composite metal oxide support is derived from a layered double hydroxide comprising nickel and at least two types of metals different from nickel, the metal nanoparticles are reduced from the composite metal oxide support, and a weight content of nickel metal, measured by ICP analysis, is 45 wt % or more.
Resumen de: WO2026123439A1
A kilowatt-scale reaction device for water-electrolysis-based hydrogen production coupled with oxidation, comprising a power supply system, a reactor system, a raw material supply system, a cooling system, and a gas detection system. The reactor system comprises integrated condensation reactors (2) connected to each other and a static mixer (3). The raw material supply system comprises raw material tanks (4). The raw material tanks (4) are communicated with the static mixer (3). The cooling system comprises a mixer cold trap (8) and a reactor cold trap (9). The mixer cold trap (8) is communicated with the static mixer (3). The reactor cold trap (9) is communicated with the integrated condensation reactors (2). A reaction system operates safely and stably, enabling co-production of high-purity hydrogen at a cathode while achieving electrocatalytic oxidation of various biomass molecules, thereby expanding the reaction scale.
Nº publicación: WO2026123438A1 18/06/2026
Solicitante:
QUZHOU INST FOR INNOVATION IN RESOURCE CHEMICAL ENGINEERING [CN]
ZHEJIANG ZHISUAN GREEN TECHNOLOGY CO LIMITED [CN]
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Resumen de: WO2026123438A1
An electrode for enhancing mass transfer, and a use of the electrode. The electrode consists of a diamond-shaped nickel mesh layer (1), a nickel foam layer (2), and a nickel wire mesh layer (3) which are sequentially arranged. The electrode for enhancing mass transfer is applied to a reactor containing an ion exchange membrane, and the electrode for enhancing mass transfer is disposed between an integrated membrane electrode and an anode end plate; and the nickel wire mesh layer (3) is in contact with the integrated membrane electrode, and the diamond-shaped nickel mesh layer (1) is in contact with the anode end plate. The electrode can enhance a mass transfer effect in a liquid-phase dilute substance electrolysis process, improve substrate conversion rate, improve product yield and Faradaic efficiency, and reduce energy consumption in water electrolysis for hydrogen production coupled with organics oxidation.
BOPI
Sede Electrónica
