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487
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Última actualización
01/01/2026 [06:59:00]
Resultados 100 a 125 de 487
Resumen de: MX2025008939A
The present disclosure relates to methods of sequestering CO<sub>2 </sub>comprising a first cathodic chamber, performing a first alkaline process, a first anodic chamber, performing a first acidic process, and dechlorinating a solution by contacting the solution with a dechlorinating agent. Also provided herein are systems comprising a first cathodic chamber and a first anodic chamber.
Resumen de: WO2024162842A1
A method of generating hydrogen and oxygen from a liquid feed stream through an integrated system of forward osmosis and electrolysis, wherein the method comprising the steps of feeding water into an electrolyte solution by means of forward osmosis and applying a voltage across the electrolyte solution to generate hydrogen and oxygen, characterized in that the electrolyte solution comprising an electrolyte, an ionic liquid and a solvent, wherein the electrolyte is used in an amount ranging between 1 wt% to 10 wt% of the electrolyte solution, wherein the ionic liquid is used in an amount ranging between 1 wt% to 5 wt% of the electrolyte solution and wherein the solvent is used in an amount ranging between 75 wt% to 99 wt% of the electrolyte solution.
Resumen de: WO2024162841A1
An electrolyte solution comprising an electrolyte, wherein the electrolyte is used in an amount ranging between 1 wt% to 10 wt% of the electrolyte solution; an ionic liquid, wherein the ionic liquid is used in an amount ranging between 1 wt% to 5 wt% of the electrolyte solution; and a solvent, wherein the solvent is used in an amount ranging between 75 wt% to 99 wt% of the electrolyte solution.
Resumen de: EP4660131A1
The subject of the invention is a hydrogen burner using water thermolysis, incorporating a hydrogen combustion chamber (1) containing heating nozzles (3) connected to a fuel transport duct (4), with at least one magneto (6) installed in its vicinity. This burner is characterised in that the chamber (1) contains water (2) in which a duct (6) with heat exchange medium is immersed, and the heating nozzles (3) are dir3ected towards the table of that water (2). The chamber (1) is made of heat-resistant steel and coated with a thermal insulation layer (5) on the outside. Water (2) in the chamber (1) contains transition metals acting as catalysts for water thermolysis, particularly such as cerium, nickel, molybdenum, or chromium.
Resumen de: KR20250173328A
본 발명은 수소 및 산소 발생용 촉매와 이의 제조방법에 관한 것으로, 몰리브덴 및 니켈을 동시에 포함하는 전이금속으로부터 제조된 전이금속 화합물을 포함하여 이종접합 구조를 가지는 수소 및 산소 발생용 촉매를 제조하여 수소 발생 반응(HER)과 산소발생반응(OER)을 모두 촉진하며 수소 생산을 위한 수전해 효율을 향상한다.
Resumen de: EP4660153A1
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: EP4660350A1
The invention is aimed to create a method for producing hydrogen and oxygen from water and aqueous solutions, which ensures increased productivity and reduced energy consumption. In the method, electrical energy in the process of water electrolysis is used in the plasma electrolytic process mode between the anode and cathode in water with the removal of hydrogen from the cathode region and oxygen from the anode region, while the water is simultaneously subjected to acoustic impact induced by a piezoelectric emitter, wherein the acoustic impact propagation vector is perpendicular to the electric field vector, the obtained gaseous hydrogen and oxygen are captured separately by electromagnetic separators with oppositely directed magnetic fields. The device for producing hydrogen and oxygen from water and aqueous solutions consists of a reactor in the form of a container with water, in the reactor there is a piezo-acoustic emitter, the power source is connected to the anode and cathode, in which the thermionic insert is made of tungsten, zirconium or hafnium, and the branch pipes of electromagnetic output separators.
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%.
Resumen de: WO2025248902A1
A method for electrolyzing water according to the present invention is a method for splitting water with the use of a PEM water electrolysis device which is provided with a cell in which a cathode, an electrolyte membrane, a porous transport layer, and an anode are stacked, wherein: the porous transport layer has a titanium porous body; in the electrolyte membrane-side surface of the titanium porous body, the average value of the areas of pores that open to the surface is 5 μm2 to 45 μm2 inclusive; the standard deviation value of the areas of the pores is 90 μm2 or less; the number of the pores that are present within a rectangular region that has an area of 22,000 μm2 and an aspect ratio of 4:3 is 120 or more; and the pressure applied in the stacking direction of the cathode, the electrolyte membrane, the porous transport layer, and the anode at the time of assembling the cell is set to 6 MPa or more.
Resumen de: AU2024214359A1
Feedwater preparation system in a water electrolyser adapted to produce hydrogen and oxygen in one or more pressurised electrolyser stacks (2) using alkaline water and comprising a product gas conditioning system that has a safety valve out-blow material stream pipe (11) which is connected to a feedwater vessel (9), and/or has a depressurisation stream pipe (31) from a gas cleaning vessel which is connected to the feedwater vessel (9).
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.
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.
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.
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).
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.
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
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.
Resumen de: US2024401520A1
The present disclosure relates to a gas turbine plant which decomposes ammonia and supplies it as fuel to a combustor of the gas turbine. The gas turbine plant supplies sufficient heat to the ammonia in order to thermally decompose the ammonia effectively, and separates the residual ammonia present in the decomposition gas and supplies it to a combustor of the gas turbine.
Resumen de: AU2024249844A1
A method for thermal or thermochemical conversion of ammonia or methanol feedstocks into hydrogen (gas) in a related feedstock conversion facility (1000) is provided. The method comprises generating heated fluidic medium by at least one rotary apparatus (100), supplying a stream of thus generated heated fluidic medium into the feedstock conversion facility (1000), and operating said at least one rotary apparatus (100) and said feedstock conversion facility (1000) to carry out thermal or thermochemical conversion of the ammonia or methanol feedstocks into hydrogen at temperatures essentially equal to or exceeding about 500 degrees Celsius (°C). Facility (1000, 1000A) for production of hydrogen from ammonia or methanol feedstocks is further provided.
Resumen de: AU2024407460A1
A catalyst coated separator for alkaline water electrolysis (1) comprising a porous support (100) and on at least side of the support, in order: - an optional porous polymer layer (200), - a non-porous alkali-stable polymer layer (300), and - a catalyst layer (400).
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.
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.
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.
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%.
Nº publicación: JP2025176907A 05/12/2025
Solicitante:
株式会社日立製作所
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
BOPI
Sede Electrónica
