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ELECTROCATALYST FOR HYDROGEN EVOLUTION REACTION AND METHOD FOR MANUFACTURING THE SAME

Resumen de: KR20250172443A

본 발명의 일 실시예는 중공 나노튜브; 및 상기 중공 나노튜브 표면 상에 위치하되, 나노시트가 서로 연결되어 형성된 3차원 네트워크 구조의 다공성 쉘;을 포함하는 계층적 구조를 가지는 중공 나노튜브를 포함하되, 상기 계층적 구조를 가지는 중공 나노튜브는 NiMo-MoO3-x (0

電解装置

Resumen de: US2025361626A1

An electrolysis device includes a water electrolysis stack configured to electrolyze water, a gas-liquid separator configured to separate hydrogen gas from water discharged from the water electrolysis stack, and a hydrogen compression stack configured to compress the hydrogen gas separated by the gas-liquid separator. The gas-liquid separator includes a storage tank configured to store water, and a maximum storage water level that is a maximum value of a water level that can be allowed in the storage tank is predetermined, and the hydrogen compression stack is located above the maximum storage water level.

用于电合成或电能液气电池或电池堆叠的外围设施

Resumen de: AU2024202934A1

Disclosed in one example is gas pressure equalisation systems (400-401), and method of operation, for an electro-synthetic or electro-energy liquid-gas cell or cell stack (210). The gas pressure equalisation systems (400-401) comprise a first pressure equalisation tank (410) for partially containing a first liquid (470) and a first gas. The first gas is positioned above a liquid first level (471). A first gas conduit (430) is provided for the transfer of the first gas between the cell or cell stack (210) and the first pressure equalisation tank (410). In another example, a second pressure equalisation tank (420) may be additionally provided for partially containing a second liquid (473) and a second gas positioned above a liquid second level (472). A second gas conduit (440) is then provided for the transfer of the second gas between the cell or cell stack (210) and the second pressure equalisation tank (420).

二酸化炭素の付加価値製品への変換のために逆水性ガスシフト反応器とともに使用される一酸化炭素電解槽

Resumen de: CN120435590A

Methods and systems related to valuing carbon dioxide are disclosed. The disclosed system includes a reverse water gas shift (RWGS) reactor, a carbon dioxide source connection fluidly connecting a carbon dioxide source to the RWGS reactor, an electrolyzer having an anode region and a cathode region, and a carbon monoxide source connection fluidly connecting the RWGS reactor to the cathode region. The RWGS reactor is configured to generate a volume of carbon monoxide in an RWGS reaction using a volume of carbon dioxide from the carbon dioxide source connection. The electrolyzer is configured to generate a volume of generated chemicals, including hydrocarbons, organic acids, alcohols, olefins, or N-rich organic compounds, using the electrolyzer and the reduction of the volume of carbon monoxide and the oxidation of an oxidizing substrate from the carbon monoxide source link.

Conjunto de cámara catódica en unidad de celda electrolítica y electrolizador

Resumen de: TW202428942A

There is provided a cathode chamber assembly, which may not require any skill for assembling, and which may not cause any problems such as formation of an undesirable space in the peripheral portion of the cathode chamber. The cathode can be easily replaced when it deteriorates. The cathode is attached detachably to ribs formed on the bulkhead, directly or indirectly with a plurality of fastening screws or fastening pins, and further or alternatively, a peripheral flange of a rectangular flame shape extending along the inner surface peripheral portion of the bulkhead is disposed. In the embodiment, the cathode may be attached by bonding one surface of a rectangular gasket to the inner surface of the peripheral flange, and by adhering an adhesive tape across the inner peripheral portion of the other surface of the gasket and the outer peripheral portion of the exposed surface of the cathode.

氨分解装置及其制造方法

Resumen de: WO2024247383A1

Provided is an ammonia decomposition device capable of achieving both an improvement in ammonia conversion rate and an improvement in catalyst life. An ammonia decomposition device (11) comprises: an ammonia gas inlet (13); a catalyst-carrying honeycomb structure (1) that decomposes ammonia to generate hydrogen and nitrogen; and a gas outlet (14). The catalyst-carrying honeycomb structure (1) includes: a ceramic honeycomb structure; a catalyst layer (3) that is formed in a flow path (2a) of the honeycomb structure and decomposes ammonia; and electrodes (4a, 4b) that are formed on a side surface of the honeycomb structure. Electricity is passed through the honeycomb structure.

用于将氢气和氧气发生装置封装在外壳中的方法及适用于氢气和氧气发生装置的外壳

Resumen de: AU2024228415A1

Enclosure adapted for a hydrogen and oxygen generating apparatus arranged in a movable has an interior and an interior surface and an exterior surface whereby the hydrogen and oxygen generating apparatus comprises at least one electrolyser stack adapted for electrolysing water to hydrogen product gas and oxygen product gas and accompanying gas and electrolyte handling equipment. The exterior surface of the enclosure comprises at least a heat insulating, flexible polymer cover element which is attached to a metal frame.

水電解システムの制御方法および水電解システム

Resumen de: WO2025249273A1

Provided is a method for controlling a water electrolysis system with which operation states of a plurality of electrolysis stacks can be independently regulated highly responsively and highly efficiently. This method is for controlling a water electrolysis system which comprises: electrolysis stacks where water is electrolyzed to produce hydrogen and oxygen; a pure water feeder for feeding pure water to the electrolysis stacks; a first regulation part and a second regulation part, which are disposed between each electrolysis stack and the pure water feeder and are capable of regulating the operation state of the electrolysis stack; and an operation state regulation control unit which regulates the first regulation part and the second regulation part to regulate the operation states of the electrolysis stacks. The operation state regulation control unit, after receiving a command to change the operation state of an electrolysis stack, operates the first regulation part on the basis of the operation state and, when a predetermined requirement has been satisfied, operates the second regulation part simultaneously with the first regulation part on the basis of the operation state.

NAFION AND METAL ORGANIC FRAMEWORK COMPOSITE ELECTRODE FOR ALKALINE HYDROGEN EVOLUTION REACTION AND MANUFACTURING METHOD THEREOF

Resumen de: US2025369135A1

The present invention relates to an electrode for a hydrogen evolution reaction in an alkaline water electrolysis cell, wherein the electrode comprises: a co-catalyst consisting of a composite containing a Lewis acid-containing material and a metal-organic framework (MOF); and a catalyst surrounded by the co-catalyst. According to the present invention, the water dissociation step of the alkaline hydrogen evolution reaction is promoted, hydrogen gas generated by the hydrogen evolution reaction can easily permeate through the structure, and Nafion is uniformly dispersed by the large pores created by the MOF, thereby implementing the co-catalyst effect across the entire surface while minimizing catalyst poisoning.

HYDROGEN PURIFICATION SYSTEM AND METHOD FOR PURIFYING HYDROGEN

Resumen de: WO2025249989A1

According to exemplary embodiments of the present invention, provided are a hydrogen purification system and a method for purifying hydrogen, the hydrogen purification system comprising: a first reactor configured to produce a metal nitride and a hydrogen-rich gas by reacting a mixed gas containing hydrogen and nitrogen with a metal absorbent; and a second reactor configured to receive the metal nitride from the first reactor and regenerate same into the metal absorbent, wherein the pressure of the first reactor is 1-5 bar.

MEMBRANE ELECTRODE FOR WATER ELECTROLYSIS ITS MANUFACTURING METHOD AND A WATER ELECTROLYSIS CELL USING IT

Resumen de: US2025369130A1

The present disclosure provides a water electrolysis membrane electrode, a method for preparing the water electrolysis membrane electrode, and a water electrolyzer applying the water electrolysis membrane electrode. The water electrolysis membrane electrode includes a cathode gas diffusion layer, a cathode catalytic layer, an anion exchange membrane, a hydrophobic anode catalytic layer, and an anode gas diffusion layer that are stacked in sequence. Raw materials for preparing the hydrophobic anode catalytic layer include an anode catalyst, a hydrophobic material, and an anode ionomer. A mass ratio of the anode catalyst, the hydrophobic material, and the anode ionomer is 10:1-3:1-3. A porosity of the hydrophobic anode catalytic layer is 10%-40%.

电解槽系统中的气体压力平衡方法和具有压力平衡阀系统的电解槽系统

Resumen de: AU2024224224A1

In a gas pressure balance method in an electrolyser system a predefined pressure difference between pressures in an oxygen gas separation tank and a hydrogen gas separation tank is maintained by controlled release of gases through an oxygen back pressure valve and a hydrogen back pressure valve. in a first step, for each of the oxygen back pressure valves and the hydrogen back pressure valves, a predefined, calibrated pilot gas pressure is generated and in a second step, the predefined, calibrated pilot gas pressures are forwarded to the respective back pressure valves and in a third step, hydrogen and oxygen gasses are released whenever the gas pressures in the hydrogen and oxygen separation tanks exceeds the predefined, calibrated pilot pressure in the respective pilot gas streams.

生产低碳氢气的方法及其实施装置

Resumen de: WO2025014390A1

Claimed are a method for producing hydrogen from ammonia and a plant for the implementation thereof. Liquid ammonia feedstock is heated, evaporated and superheated in a coil of a heat-reclaiming module. The gaseous ammonia feedstock is fed into an ammonia cracking reactor, the obtained nitrogen-hydrogen mixture is cooled in an air-cooling unit, and hydrogen is recovered. Liquid ammonia fuel is heated, evaporated and superheated. The gaseous ammonia fuel is mixed with the vent gases produced during the recovery of hydrogen, and the obtained fuel gas is fed together with heated air into the ammonia cracking reactor. The evaporation and superheating of the ammonia feedstock and the ammonia fuel are carried out in recuperative heat exchangers. An outlet for the flue gases of the ammonia cracking reactor is connected to the heat-reclaiming module. Arranged in series inside the heat-reclaiming module are coils for heating gaseous ammonia, fuel gas, air, a heat transfer agent, and liquid ammonia. The pressure of the flue gases is increased, the flue gases are cooled, and condensed distilled water is recovered in a separator, with the dewatered flue gases being released into the atmosphere. The invention makes it possible to increase the efficiency of low-carbon hydrogen production and to obtain an additional product in the form of distilled water.

電解システム及び電解システムの診断方法

Resumen de: JP2025176907A

【課題】電解スタックの状態を簡便に診断できるようにする。【解決手段】原料化合物の電気分解により所望のガスを生成する電解スタック１０と、電解スタック１０に電圧を印加する電力変換装置６と、電解スタック１０に印加された電圧を計測する電圧センサ７と、電解スタック１０に電圧を印加した際に電圧センサ７が取得する電圧の時系列データを用いて、電解スタックの静電容量成分で規定される指標を算出し、算出した指標の値を基準値と比較して電解スタックの状態を診断する診断装置２０と、診断装置が診断した結果を外部に出力または表示する出力装置３０と、を備える。【選択図】図１

수용액 반응기

Resumen de: CN120659908A

A hydrogen generating battery includes a pair of input electrode plates, a pair of output electrode plates, an additional X-plate electrode positioned adjacent the pair of output electrode plates, and a plurality of intermediate electrode plates disposed between the pair of input electrode plates and the pair of output electrode plates. The plasma torch is spaced apart from and inductively coupled to the pair of input electrode plates. A pulsed DC voltage is applied to the plasma torch and the X-plate, while a lower pulsed DC voltage is applied to the pair of input and output electrode plates such that hydrogen gas is generated from the aqueous solution in which the battery is immersed.

用于生产化合物的方法和用于生产化合物的设备

Resumen de: WO2024184587A1

The invention relates to a method for producing a compound comprising at least one of hydrogen or oxygen. The method comprises providing water and a first substance, producing a mixture comprising the water and bubbles comprising the first substance, decreasing diameter of bubbles comprising the first substance, decomposing a part of the water, and composing a compound at least from the decomposed water and the first substance, and the compound comprising at least one of hydrogen or oxygen. The invention further relates to apparatus for producing a compound comprising at least one of hydrogen or oxygen.

SYSTEM COMBINATION COMPRISING AT LEAST TWO ELECTROLYSIS SYSTEMS AND A POWER SUPPLY SOURCE

Resumen de: US2025373010A1

A system combination having at least two electrolysis systems, a power supply source having a direct voltage output, and a central supply line is provided. The central supply line is connected to the direct voltage output of the power supply source, so that a direct current can be fed into the central supply line and a central DC network designed for high voltage is provided, to which DC network the electrolysis systems are connected by means of the central supply line. The power supply source has, as a power generator, a wind turbine, to which a rectifier having a direct voltage output is connected, the direct voltage output being designed for the high voltage.

A SYSTEM AND METHOD FOR PRODUCING AMMONIA

Resumen de: US2025368520A1

The invention relates to a system and a method for producing ammonia, including an ammonia reactor which is formed for the generation of ammonia (NH3) from a synthesis gas, where the synthesis gas includes hydrogen (H2) and nitrogen (N2), further including an electrolizer which is formed to generate hydrogen and oxygen from water, where the electrolizer is operated with renewable energies, further including a gas turbine operated with hydrogen, where the exhaust gas of the gas turbine containing nitrogen (N2) is employed for the generation of the synthesis gas.

WATER ELECTROLYSIS MEMBRANE ELECTRODE, METHOD FOR PREPARING THE SAME, AND WATER ELECTROLYZER APPLYING THE SAME

Resumen de: US2025369130A1

The present disclosure provides a water electrolysis membrane electrode, a method for preparing the water electrolysis membrane electrode, and a water electrolyzer applying the water electrolysis membrane electrode. The water electrolysis membrane electrode includes a cathode gas diffusion layer, a cathode catalytic layer, an anion exchange membrane, a hydrophobic anode catalytic layer, and an anode gas diffusion layer that are stacked in sequence. Raw materials for preparing the hydrophobic anode catalytic layer include an anode catalyst, a hydrophobic material, and an anode ionomer. A mass ratio of the anode catalyst, the hydrophobic material, and the anode ionomer is 10:1-3:1-3. A porosity of the hydrophobic anode catalytic layer is 10%-40%.

NAFION AND METAL ORGANIC FRAMEWORK COMPOSITE ELECTRODE FOR ALKALINE HYDROGEN EVOLUTION REACTION AND MANUFACTURING METHOD THEREOF

Resumen de: US2025369135A1

The present invention relates to an electrode for a hydrogen evolution reaction in an alkaline water electrolysis cell, wherein the electrode comprises: a co-catalyst consisting of a composite containing a Lewis acid-containing material and a metal-organic framework (MOF); and a catalyst surrounded by the co-catalyst. According to the present invention, the water dissociation step of the alkaline hydrogen evolution reaction is promoted, hydrogen gas generated by the hydrogen evolution reaction can easily permeate through the structure, and Nafion is uniformly dispersed by the large pores created by the MOF, thereby implementing the co-catalyst effect across the entire surface while minimizing catalyst poisoning.

OXYGEN GENERATION SYSTEMS FOR LOW GRAVITY APPLICATIONS

Resumen de: US2025369137A1

Oxygen generation systems for use in low-gravity environments include a cell stack with an anode-side phase separator and a cathode-side phase separator fluidly coupled to outlets of the cell stack. An anode-side flow controller and a cathode-side flow controller are arranged downstream from the respective phase separators. A pressure differential is induced upstream of the anode-side flow controller that is greater in pressure than a downstream side thereof. A pressure differential is induced upstream of the cathode-side flow controller that is greater in pressure than a downstream side thereof. An input flow controller is arranged upstream from the stack inlet, the input flow controller configured to cause a pressure differential such that an upstream side of the input flow controller is greater than a downstream side of the input flow controller.

LOW TEMPERATURE PRODUCTION OF HYDROGEN PEROXIDE

Resumen de: US2025369126A1

Embodiments for an apparatus for producing hydrogen peroxide are provided. The apparatus includes a heat exchanger configured to remove heat from deionized water prior to passing the deionized water through the anode passage of one or more cells. The apparatus is also configured to oxidize the deionized water in the anode passage of the one or more cells. The apparatus also includes a controller configured to control the heat exchanger and a first one or more temperature sensors electrically coupled to the controller. The first one or more temperature sensors are configured to provide a first temperature reading based on a temperature of the one or more cells, wherein the controller is configured to control the heat exchanger to maintain the first temperature reading at or below a first temperature threshold.

OXYGEN GENERATION SYSTEMS FOR LOW GRAVITY APPLICATIONS

Resumen de: US2025369139A1

Oxygen generation systems for use in low-gravity environments include a cell stack having an anode and a cathode. An anode-side phase separator and a cathode-side phase separator are each fluidly coupled to outlets of the cell stack. The anode-side phase separator separates a mixture into liquid water and gaseous oxygen and the cathode-side phase separates a mixture int liquid water and gaseous hydrogen. A ducting system is configured to house the cell stack and the cathode-side phase separator, a hydrogen sensor is arranged at an outlet of the ducting system, and a controller is configured to stop oxygen generation at the cell stack when a concentration of hydrogen is detected at or above a threshold level at the hydrogen sensor at the outlet of the ducting system.

SYSTEM AND METHODS FOR THE PRODUCTION OF HYDROGEN GAS

Resumen de: US2025369125A1

Methods and systems are disclosed for using industrial waste for the production of hydrogen gas. The method includes examining a pH level of the industrial waste, removing contaminate from the industrial waste, conditioning and concentrating the industrial waste to a proton-rich solution, and using the resulting proton-rich solution as the proton source in a hydrogenase catalyzed hydrogen production system.

METHOD FOR ONE-STEP SYNTHESIS OF SINGLE ATOMS AND NANOPARTICLES CO-DECORATED CARBON NANOTUBE ARRAYS

Nº publicación: US2025369134A1 04/12/2025

Solicitante:

CITY UNIV OF HONG KONG [CN]
City University of Hong Kong