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METHODS AND SYSTEMS FOR HYDROGEN PRODUCTION

Resumen de: WO2025245515A1

A portable device for generating hydrogen from ammonia includes a first reactor layer having an ammonia inlet a retentate port, and a chamber containing an ammonia decomposition catalyst. A first gas-collecting layer has a manifold with a hydrogen outlet. A first hydrogen-selective membrane is disposed between the first reactor layer and the first gas-collecting layer. In this way, hydrogen gas generated in the chamber of the first reactor layer will permeate through the hydrogen-selective membrane into the manifold of the first gas-collecting layer. A burner layer is adjacent to the first reactor layer and separated from the chamber by a first conduction plate. The burner layer includes an intake port and an exhaust port. The intake port is in fluid connection with the retentate port of the first reactor layer.

ELECTROCHEMICAL HYDROGEN PUMPING COUPLED WITH CATALYTIC MEMBRANE REACTOR AND ITS APPLICATIONS

Resumen de: WO2025245447A1

Disclosed is a method of dehydrogenation of hydrogen-containing compounds in a reactor comprising a catalytic chamber, an electrochemical chamber, and an H-conductive membrane, comprising dehydrogenating the hydrogen-containing compound to produce hydrogen atom equivalents and oxidizing the hydrogen atom equivalents on the anodic H-conductive membrane. The reaction between the protons and a molten electrolyte in the electrochemical chamber generates water, which is decomposed on a counter electrode producing hydrogen. The hydrogen can be used in hydrogenation reactions. Also disclosed is a method of reducing a substrate, for example, a substrate dissolved or dispersed in the molten electrolyte.

ELECTROLYSIS-INDUCED-BUBBLE-BASED CARBON DIOXIDE GAS SENSORS

Resumen de: WO2025245064A1

An example carbon dioxide sensor (100) can include a channel (110) capable of containing water having carbon dioxide dissolved therein. A pair of electrodes (130, 132) can be positioned to contact the water. A voltage source (140) can be connected to the pair of electrodes and operable to supply sufficient voltage to convert a portion of the water to hydrogen gas and oxygen gas by electrolysis to form at least one gas bubble (150, 152) in the channel. A bubble size sensor (160) can be operable to measure a size change over time of the at least one gas bubble in the channel.

Elektrochemisches System und Elektrolyseur

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).

PLANT AND PROCESS COMPRISING AN AUTOTHERMAL REFORMER FOR PRODUCING SYNTHETIC FUELS WITHOUT EMITTING CARBON DIOXIDE

Resumen de: WO2025242614A1

A plant for producing synthetic fuels, in particular aviation turbine fuel (kerosene), crude gasoline and/or diesel, comprises: • a) a synthesis gas production device for production of a crude synthesis gas comprising carbon monoxide, hydrogen and carbon dioxide from i) carbon dioxide, ii) water, iii) methane and/or hydrogen and iv) oxygen, wherein the synthesis gas production device comprises at least one autothermal reformer, wherein the at least one autothermal reformer comprises at least one feed conduit i) for carbon dioxide, ii) for water, iii) for methane and/or for hydrogen and iv) for oxygen, and a discharge conduit for crude synthesis gas, • b) a separation device for separation of carbon dioxide from the crude synthesis gas produced in the synthesis gas production device, having a discharge conduit for carbon dioxide and a discharge conduit for synthesis gas, • c) a Fischer-Tropsch device for production of hydrocarbons by a Fischer-Tropsch process from the synthesis gas from which carbon dioxide has been separated in the separation device, • d) a refining device for refining the hydrocarbons produced in the Fischer-Tropsch device to give the synthetic fuels and e1) an electrolysis device for separating water into hydrogen and oxygen and/or e2) a methane-steam reformer which is electrically heated by induction and comprises at least one feed conduit for methane, for water and for hydrogen, and a discharge conduit for crude synthesis gas, and the plant furthe

METHOD AND SYSTEM FOR HYDROGEN PRODUCTION FROM ORGANIC WASTEWATER WITH CO-PRODUCTION OF FRESHWATER AND COMPLEX CARBON SOURCE

Resumen de: WO2025241834A1

The present invention relates to a method and system for hydrogen production from organic wastewater with co-production of freshwater and a complex carbon source. The system of the present invention comprises an organic-wastewater guiding-out unit, an oxidation treatment unit, and a water electrolysis and low-temperature distillation coupled integrated system, wherein the water electrolysis and low-temperature distillation coupled integrated system comprises an alkaline electrolytic cell unit, an oxygen separation and cooling unit, a hydrogen separation and cooling unit, a hydrogen purification and cooling unit, an alkaline-solution filtration and circulation unit and a wastewater-to-freshwater unit; the organic-wastewater guiding-out unit is used for supplying wastewater into the oxidation treatment unit; the oxidation treatment unit treats the wastewater into wastewater containing carboxylic acid or carboxylate, and the oxidation treatment unit is connected to the wastewater-to-freshwater unit; the wastewater-to-freshwater unit is used for producing freshwater and a complex carbon source; and an output end of the wastewater-to-freshwater unit is connected to the alkaline electrolytic cell unit, and freshwater in the alkaline electrolytic cell unit is decomposed into hydrogen and oxygen under the action of a direct current. The present invention involves a short technological process, occupies a small area and achieves a high product value and resource utilization of wastewa

固体酸化物電解セル用カソード材料、ならびにその調製方法およびその使用

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.

PLANT AND PROCESS COMPRISING AN AUTOTHERMAL REFORMER FOR THE PRODUCTION OF SYNTHETIC FUELS WITHOUT CARBON DIOXIDE EMISSION

Resumen de: EP4653517A1

Eine Anlage zur Herstellung von synthetischen Kraftstoffen, insbesondere von Flugturbinenkraftstoff (Kerosin), Rohbenzin und/oder Diesel, umfasst:a) eine Synthesegasherstellungseinrichtung zur Herstellung eines Kohlenmonoxid, Wasserstoff und Kohlendioxid umfassenden Rohsynthesegases aus i) Kohlendioxid, ii) Wasser, iii) Methan und/oder Wasserstoff und iv) Sauerstoff, wobei die Synthesegasherstellungseinrichtung mindestens einen autothermen Reformer umfasst, wobei der mindestens eine autotherme Reformer mindestens eine Zufuhrleitung i) für Kohlendioxid, ii) für Wasser, iii) für Methan und/oder für Wasserstoff und iv) für Sauerstoff sowie eine Abfuhrleitung für Rohsynthesegas umfasst,b) eine Trenneinrichtung zur Abtrennung von Kohlendioxid aus dem in der Synthesegasherstellungseinrichtung hergestellten Rohsynthesegas mit einer Abfuhrleitung für Kohlendioxid und einer Abfuhrleitung für Synthesegas,c) eine Fischer-Tropsch-Einrichtung zur Herstellung von Kohlenwasserstoffen durch ein Fischer-Tropsch-Verfahren aus dem Synthesegas, aus dem in der Trenneinrichtung Kohlendioxid abgetrennt wurde,d) eine Raffinationseinrichtung zur Raffination der in der Fischer-Tropsch-Einrichtung hergestellten Kohlenwasserstoffe zu den synthetischen Kraftstoffen undei) eine Elektrolyseeinrichtung zur Auftrennung von Wasser in Wasserstoff und Sauerstoff umfasst, wobei die Elektrolyseeinrichtung eine Wasserzufuhrleitung, eine Sauerstoff- oder Luftabfuhrleitung und eine Wasserstoffabfuhrleitung a

電気化学反応装置の製造方法及び電気化学反応装置

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).

水素製造制御システムおよび方法

Resumen de: WO2025239029A1

Provided is a hydrogen production control system for producing hydrogen with different environmental impacts. A hydrogen production control system 20 causes a hydrogen production apparatus 10 to produce hydrogen. The hydrogen production apparatus inputs, to a water electrolysis device 13, a power amount from a renewable energy generation device 12 or a power amount from a power grid 30, and causes the water electrolysis device to electrolyze water to thereby produce hydrogen with different environmental impacts. The hydrogen production apparatus comprises: a renewable energy variation amount prediction unit which predicts variation in the power amount from the renewable energy power generation device; and a type-specific hydrogen production planning unit which creates a type-specific hydrogen production plan for producing hydrogen with different environmental impacts by the hydrogen production apparatus, on the basis of a prediction result from the renewable energy variation amount prediction unit. The type-specific hydrogen production planning unit creates a production plan for producing a first type of hydrogen with a small environmental impact among hydrogen with different environmental impacts by using a power amount in a first case where the power amount from the renewable energy generation device is predicted to be supplied stably.

HYDROGEN PRODUCTION SYSTEM AND METHOD FOR OPERATING HYDROGEN PRODUCTION SYSTEM

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.

HYDROGEN PRODUCTION SYSTEM AND METHOD FOR OPERATING HYDROGEN PRODUCTION SYSTEM

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.

HYDROGEN PLANT

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).

DUAL H2 PRODUCTION FROM ELECTROCATALYTIC WATER REDUCTION COUPLED WITH FORMALDEHYDE OXIDATION VIA A COPPER-SILVER ELECTROCATALYST

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.

A ROOM-TEMPERATURE-SOLID METAL ALLOY FOR MAKING WATER-REACTIVE ALUMINUM COMPOSITIONS

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.

CATALYST FOR AMMONIA DECOMPOSITION REACTION, METHOD FOR PREPARING SAME, AND METHOD FOR PRODUCING HYDROGEN BY USING SAME

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.

WATER ELECTROLYSIS SYSTEM AND METHOD FOR CONTROLLING 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.

WATER ELECTROLYSIS STACK AND WATER ELECTROLYSIS SYSTEM

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.

HYDROGEN GENERATING DEVICE HAVING EXTRACTABLE FILTERING STRUCTURE

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.

DEVICES, SYSTEMS, AND METHODS FOR ADMINISTERING HYDROGEN GAS

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.

アンモニア分解反応用金属複合触媒及びその製造方法

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.

Preparation method of highly durable low hydrogen permeability composite electrolyte membrane for water electrolysis and composite electrolyte membrane therefrom

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.

电化学系统和电解器

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).

Energy production complex system

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.

Hydrogen and oxygen generator for medical applications

Nº publicación: PL448633A1 24/11/2025

Solicitante:

INST TECHNIKI GORNICZEJ KOMAG [PL]
KLOSZCZYK BRUNON [PL]
ZIELINSKI GRZEGORZ [PL]
ZORYCHTA GRZEGORZ [PL]
PTASZYNSKA MALGORZATA [PL]
HELINSKI MAREK [PL]
INSTYTUT TECHNIKI G\u00D3RNICZEJ KOMAG,
KLOSZCZYK BRUNON,
ZIELI\u0143SKI GRZEGORZ,
ZORYCHTA GRZEGORZ,
PTASZY\u0143SKA MA\u0141GORZATA,
HELI\u0143SKI MAREK

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).