Resumen de: EP4653579A1
A hydrogen production system is provided with: a solid oxide electrolysis cell (SOEC) for electrolyzing water vapor; a power supply device for applying a voltage equal to or higher than a thermoneutral voltage to the SOEC; and a water vapor generation device for generating at least part of the water vapor supplied to the SOEC by heating water using surplus heat of the SOEC.
Resumen de: EP4653578A1
A hydrogen production system according to the present invention comprises: a solid oxide electrolysis cell (SOEC) that electrolyzes water vapor; a water vapor supply line for supplying water vapor to a hydrogen electrode of the SOEC; a water vapor discharge line through which water vapor discharged from the hydrogen electrode circulates; a first bypass line that communicates the water vapor supply line with the water vapor discharge line; and a first regulation device for regulating the flow rate of water vapor circulating through the first bypass line.
Resumen de: WO2024155894A2
The present disclosure concerns an electrocatalytic system and methods of the use thereof for the generation of hydrogen at both electrodes. In aspects, the present disclosure concerns an anode of a copper-silver bimetallic alloy, Cu3Ag7, and a basic anolyte with an aldehyde therein. The aldehyde reacts with the hydroxyl groups from the catholyte to produce hydrogen and the catholyte reacts water therein with the electrons from the anolyte to also produce hydrogen in a highly Faradaic efficient system. Application of the present disclosure not only provides for production of clean hydrogen, but also offers an approach for aldehyde decontamination.
Resumen de: CN120677016A
Provided herein are water-reactive aluminum compositions comprising aluminum or an alloy thereof and an activating metal alloy (e.g., a non-eutectic activating metal alloy comprising bismuth, tin, indium, and gallium; or an activating metal alloy comprising bismuth, tin and indium). Some water-reactive aluminum compositions provided herein are free of gallium. Also provided herein are methods of activating aluminum to provide a water-reactive aluminum composition. Also provided are fuel mixtures comprising the water-reactive aluminum composition described herein and a water-reactive aluminum composition having an increased gallium content; and methods of providing hydrogen and/or steam using the water-reactive aluminum compositions described herein.
Resumen de: EP4653091A1
The present invention relates to a catalyst for an ammonia decomposition reaction, a method for preparing same, and a method for producing hydrogen by using same. More specifically, the present invention relates to a method for preparing a catalyst for an ammonia decomposition reaction, which economically and efficiently supports highly active ruthenium on a lanthanum-cerium composite oxide support, thereby preparing a catalyst that exhibits a higher ammonia conversion rate than conventional catalysts for an ammonia decomposition reaction, to a catalyst for an ammonia decomposition reaction prepared by the same method, and a method for producing hydrogen by using the same.
Resumen de: EP4653581A1
In a water electrolysis system, an AC-side connection end of a power converter is connected to an AC power grid, a series circuit constituted by at least one electrolysis stack and a circuit breaker connected to the at least one electrolysis stack is connected to a DC-side connection end of the power converter, a controller reduces the power flowing to the DC-side connection end before the electrolysis stack is isolated from the series circuit, while maintaining a speed at which the power converter reduces the power flowing to the DC-side connection end below a speed that allows a difference of an amplitude of a voltage of the AC power grid from a reference value to be less than a predetermined value, and when reaching a power level enabling disconnection of an internal DC circuit by the circuit breaker, disconnects the circuit breaker connected to the DC circuit and isolates the electrolysis stack from the series circuit.
Resumen de: EP4653577A1
A hydrogen generator with detachable filter comprises a water tank, an electrolysis module configured in the water tank, a filter channel device coupled to the water tank, a humidifying module, vertically configured above the water tank, an integrated channel device vertically configured above the humidifying module, and a condenser configured on the integrated channel device. The electrolysis module is configured to electrolyze water contained in the water tank to generate gas comprising hydrogen. The humidifying module includes a humidifying chamber and a gas channel isolated from the humidifying chamber. The filtering device is arranged in the gas channel to receive and filter the gas comprising hydrogen generated by the electrolysis module. The condenser is configured to condense the gas comprising hydrogen outputted by the filtering device. The integrated channel device includes a gas input channel for guiding the gas comprising hydrogen outputted from the condenser into the humidifying chamber.
Resumen de: MX2025008404A
The invention provides devices, systems, and methods for providing hydrogen gas mixtures to a subject. The invention allows hydrogen gas mixtures to be provided at a rate that does not restrict normal or even elevated breathing.
Resumen de: EP4653583A1
Provided is a water electrolysis stack capable of improving durability. The water electrolysis stack includes a cell stack that is formed by stacking a plurality of water electrolysis cells, an inter-cell space is formed between each adjacent ones of the water electrolysis cells in the cell stack, and gas flows into the inter-cell spaces in water electrolysis.
Resumen de: CN118028861A
The invention relates to the technical field of solid oxide electrolytic cells, and discloses a solid oxide electrolytic cell cathode material and a preparation method and application thereof. The molecular formula of the solid oxide electrolytic cell cathode material is La < 0.6 > Sr < 0.4 > Fe < 0.8 > Cu < x > Ni < y > O < 3-delta >, x is greater than or equal to 0.01 and less than or equal to 0.2, y is greater than or equal to 0.01 and less than or equal to 0.2, and x + y is equal to 0.2. According to the electrolytic tank prepared by using the cathode material, the raw material CO2 or H2O can be efficiently converted into synthesis gas through electrochemical catalysis, continuous and stable electrolysis operation on high-temperature water vapor or carbon dioxide can be realized under the conditions that the temperature is 800 DEG C and the electrolysis current density is 0.5 A/cm < 2 > or above, and the cathode material has a relatively good industrial application prospect.
Resumen de: KR20240063313A
One embodiment of the present invention provides a metal composite catalyst for an ammonia decomposition reaction, which comprises: a metal-containing support; and metal nanoparticles dispersed on the surface of the metal-containing support or inside pores, wherein the particle diameter of the metal nanoparticles is 1.5 to 7 nm. more specifically, the metal composite catalyst according to one embodiment of the present invention is manufactured by a polyol process, and can exhibit a great advantage in ammonia decomposition efficiency.
Resumen de: WO2025239002A1
Provided is a method for manufacturing an electrochemical reaction device (1) comprising: an electrochemical cell (2) that includes an electrolyte layer (20), a first electrode (21), and a second electrode (22); a frame (3) that includes a support section (31) and a frame body section (32); and a sealing plate (4) that hermetically separates a second space (122) and an outer peripheral cavity (11) from each other. The sealing plate (4) includes an outer peripheral plate section (42), an inner peripheral plate section (41), and a coupling section (43). The coupling section (43) includes a flexed section (430) flexed so as to protrude in a normal direction Z of the electrolyte layer (20). When forming the flexed section (430), the sealing plate (4), in which the flexed section (430) has not yet been formed, is fixed to the electrochemical cell (2) and the frame (3), and then a buckling step is performed for causing the coupling section (43) to buckle so as to form the flexed section (430) by causing a volume change of at least one of the electrochemical cell (2), the frame (3), or the sealing plate (4).
Resumen de: WO2024153322A1
A hydrogen plant (1) comprising - an electrolysis unit (10) having a hydrogen outlet (11) and an oxygen outlet (12); and - at least one turboexpander unit (20) connected to the oxygen outlet (12); wherein the at least one turboexpander unit (20) is connected to power a unit of the hydrogen producing plant (1) through a mechanical drive (30) directly connected to an output shaft of the turboexpander (20).
Resumen de: KR20250165094A
본원 발명은 수전해용 고내구성 저수소투과성 복합 전해질막의 제조방법 및 이로부터 제조된 수전해용 복합 전해질막에 대한 것으로, 보다 구체적으로는 고분자 전해질, 라디칼 스캐빈저(radical scavenger); 및 용매를 포함하는 혼합물을 준비하는 단계; 상기 혼합물을 볼밀(ball-mill)하여 고분산 혼합물을 제조하는 단계; 및 상기 고분산 혼합물로 전해질막을 제조하는 제막 단계를 포함하는 것을 특징으로 하는 수전해용 복합 전해질막의 제조방법에 대한 것이다.
Resumen de: KR20220009803A
The present invention relates to an energy production complex system based on a liquid compound, including: a water electrolysis device unit for electrolyzing water to produce hydrogen; a hydrogen storage device unit for reacting the hydrogen produced by the water electrolysis unit with a first liquid compound to allow the first liquid compound to become a second liquid compound in which hydrogen is stored; a hydrogen desorption device unit for desorbing the hydrogen stored in the second liquid compound into hydrogen and the first liquid compound; and a fuel cell unit for generating power by receiving the hydrogen desorbed from the hydrogen desorption device unit.
Resumen de: DE102024204777A1
Elektrochemisches System mit einem elektrochemischen Stack (1), wobei der Stack (1) einen Einlass (201; 301) aufweist, über den eine Flüssigkeit eingeleitet werden kann, und einen Auslass (202; 302), über den eine Flüssigkeit ausgeleitet werden kann. Der Einlass (201; 301) ist mit einem ersten Flüssigkeitsbehälter (25) verbindbar und der Auslass (202; 302) mit einem zweiten Flüssigkeitsbehälter (32).
Resumen de: PL448633A1
Przedmiotem zgłoszenia jest generator wodoru i tlenu dla zastosowań medycznych, wytwarzający gaz HHO na drodze reakcji utleniania-redukcji elektrolitu po doprowadzeniu do elektrod potencjału anody i katody. Generator ma dwie płaskie anody (13) i jedną katodę (14) oraz między nimi blachy neutralne (15), odseparowane od siebie dielektrycznymi przekładkami (3), połączone poprzez dwa współosiowe otwory w jeden zespół śrubami scalającymi elektrody (9) i na każdą śrubę (9) nasunięta jest rurka izolacyjna (16) separująca śrubę od katody (14) oraz przekładek (3) i śruby (9) łączą elektrycznie ze sobą obie anody (13) i generator umieszczony jest w szklanym pojemniku na elektrolit (1), zamkniętym szczelnie od dołu pokrywą dolną (5), a do górnej części pojemnika (1) przymocowana jest szczelnie pokrywa górna (4), gdzie w pokrywie górnej (4) umieszczone są szczelnie w dedykowanych otworach śrubowe przyłącza anody (6), katody (7) oraz przewód odprowadzający gaz HHO, przy czym katoda (14) oraz jedna z anod (13) posiadają sztywne wyprowadzenia elektrycznie połączone odpowiednio z przyłączem katody (7) oraz przyłączem anody (6) i śrubowe przyłącza anody (13) i katody (14), odpowiednio (6 i 7), stanowią mocowanie generatora do pokrywy górnej (4).
Resumen de: WO2025239623A1
The present invention relates to a photoelectrode and a photoelectrochemical water splitting system using same, and more specifically, to a photoelectrode in which a lower electrode, an electron transport layer including SnO2, a light absorption layer including FAPbI3, a hole transport layer, an upper electrode, and a Ni passivation thin film layer are sequentially stacked and can operate when immersed in water, and an efficient and stable large-area water splitting system capable of splitting water and producing hydrogen without an external voltage by using the photoelectrode.
Resumen de: AU2023381476A1
A cell frame adapted for use in a pressurised electrolyser cell stack is provided. From an inner circumferential rim of the cell frame, a circumferential radial shelf with inwardly tapering thickness is provided, such that an annular space between a circumferential radial shelf and a neighbouring circumferential radial shelf is provided when cell frames are stacked in alignment with each other, and that outwardly of the circumferential radial shelf, a mobility link is provided which connects the radial shelf to the remaining cell frame.
Resumen de: US2025361635A1
A control device for an electrolysis system includes a deterioration prediction unit that predicts a degree of deterioration of each of a water electrolysis stack and a compression stack, and a supplied electrical current control unit that controls an electrical current that is supplied to the water electrolysis stack and an electrical current that is supplied to the compression stack, wherein the supplied electrical current control unit controls the electrical current that is supplied to the stack having a larger degree of deterioration from among the water electrolysis stack and the compression stack to be constant, and adaptively controls the electrical current that is supplied to the stack having a smaller degree of deterioration from among the water electrolysis stack and the compression stack.
Resumen de: US2025354272A1
Provided is an electrochemical system comprising a water electrolysis stack with an anode and a cathode. The system includes a reaction fluid supply line that supplies a reaction fluid to the anode, a first gas-liquid separator located in the reaction fluid supply line to separate the reaction fluid into gaseous and liquid components, and a first filter part positioned upstream of the first gas-liquid separator to filter the reaction fluid. The system further includes a first circulation line that circulates the liquid reaction fluid from the anode back to the first gas-liquid separator. Additionally, a second gas-liquid separator in a discharged fluid discharge line is connected to the cathode, with a second circulation line configured to maintain the ionic purity of the discharged fluid. The system also includes a mechanism to monitor ionic conductivity and selectively control the operation of the water electrolysis stack based on detected ionic levels.
Resumen de: AU2025203497A1
A system and a method for stabilizing hydrogen flow to a downstream process in a facility determining a hydrogen density and pressure profiles in the hydrogen storage unit 5 for different target net hydrogen flows at different time intervals of a time horizon of a renewable power availability profile, determining an operating target net hydrogen flow of a hydrogen feed to the downstream process, determining a target direct hydrogen flow of a hydrogen feed and a target stored hydrogen flow of a hydrogen feed to the downstream process, and controlling the operation of the downstream process based on the operating 10 target hydrogen flows. A system and a method for stabilizing hydrogen flow to a downstream process in a 5 facility determining a hydrogen density and pressure profiles in the hydrogen storage unit for different target net hydrogen flows at different time intervals of a time horizon of a renewable power availability profile, determining an operating target net hydrogen flow of a hydrogen feed to the downstream process, determining a target direct hydrogen flow of a hydrogen feed and a target stored hydrogen flow of a hydrogen feed to the downstream 10 process, and controlling the operation of the downstream process based on the operating target hydrogen flows. ay a y
Resumen de: CN120303449A
The present invention relates to a symmetric separator membrane for electrolyzing alkaline water and having a uniform pore distribution.
Nº publicación: US2025352926A1 20/11/2025
Solicitante:
JOHN COCKERILL HYDROGEN BELGIUM [BE]
JOHN COCKERILL HYDROGEN BELGIUM
Resumen de: US2025352926A1
A water sealed tank include a tank body and a heat conducting pipe. The tank body includes a gas-liquid inlet, a water outlet, and a gas outlet. The gas outlet is close to or located on a top portion of the tank body and communicates with the tank body. The water outlet is close to or located on a bottom portion of the tank body. The gas-liquid inlet communicates with the tank body and is used for feeding a gas-water mixture into the tank body, and a gas separated from the gas-water mixture inside the tank body is discharged from the gas outlet. At least a part of the heat conducting pipe is located inside the tank body, and used for a liquid to flow through, to allow the heat conducting pipe to exchange heat with water inside the tank body and heat the water inside the tank body.