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785
resultados
Última actualización
27/09/2025 [07:16:00]
Resultados 325 a 350 de 785
Resumen de: US2025270124A1
A process for treating waste materials and generating electrical power from simultaneously comprising reacting the waste materials during a reaction with fuel, oxygen and water, and then oxidizing the gaseous reaction product of those materials along with fuel, oxygen and water. In one embodiment the process further comprises the steps of electrolyzing the water exiting the process to produce hydrogen and oxygen, purifying both the hydrogen and oxygen streams, and then feeding the purified hydrogen and oxygen to hydrogen fuel cells to generate power.
Resumen de: US2025270123A1
A process for treating PFAS containing waste materials comprising vaporizing the PFAS containing waste materials during a reaction with fuel, oxygen and water, and then oxidizing the gaseous reaction product of those materials along with fuel, oxygen and water to break the fluorine bonds and oxidize the remaining components to carbon dioxide and water. In one embodiment the process further comprises the steps of electrolyzing the water exiting the process to produce hydrogen and oxygen, purifying both the hydrogen and oxygen streams, and then feeding the purified hydrogen and oxygen to hydrogen fuel cells to generate power.
Resumen de: US2025270722A1
Methods are for storing electricity and producing liquefied natural gas (LNG) or synthetic natural (SNG) and using carbon dioxide and for producing electricity, natural gas (NG) or SNG. The methods involve, starting from a water flow, producing an oxygen gas flow and a hydrogen gas flow by electrolysis in an electrolytic cell. A first hydrogen gas flow portion and a second hydrogen gas flow portion are obtained. The first hydrogen gas flow portion is allocated to a methanation step in the presence of carbon dioxide gas. A condensed recirculation water vapor flow is obtained to be allocated to the methanation step and performing methanation. The second hydrogen gas flow portion is allocated to a cooling and liquefaction step. A liquid hydrogen flow is obtained, which is stored in a liquid hydrogen tank.
Resumen de: US2025270151A1
A plant, such as a hydrocarbon plant, or synfuels plant, is provided, with effective use of various streams, in particular carbon dioxide and hydrogen. A method for producing a product stream, such as a hydrocarbon product stream, is also provided. The plant and method of the present invention provide overall better utilization of carbon dioxide and hydrogen, while avoiding build-up of inert components.
Resumen de: US2025270723A1
The invention relates to an electrolyser for generating hydrogen (H2) and oxygen (O2) as product gases, said electrolyser including an electrolysis module and a gas separator which is designed for phase separation of the product gas from water, the electrolysis module being connected to the gas separator via a product flow line for the product gas, and a return line, which connects the gas separator to the electrolysis module, being provided for the separated water. The gas separator is designed and positioned at a height difference (Δh) above the electrolysis module in such a way that, in the event of a standstill, the electrolysis module can be automatically flooded with water, driven solely by the height difference (Δh). The invention also relates to a method for operating an electrolyser including an electrolysis module, wherein, in a standstill mode, the electrolysis current is stopped, and a safety deactivation is initiated.
Resumen de: US2025270108A1
Disclosed herein is a method for producing a palladium (Pd) decorated two-dimensional (2D) transition metal dichalcogenide (TMD) composite. The method includes steps of, (a) providing 2D TMD nanosheets; (b) dispersing the 2D TMD nanosheets in water to form a dispersion; (c) mixing the dispersion with palladium acetate to form a mixture; and (d) subjecting the mixture to sonication to deposit Pd nanoparticles on the 2D TMD nanosheets thereby forming the Pd decorated 2D TMD composite. Also disclosed herein is a method of producing hydrogen from an aqueous solution. The method includes electrolyzing the aqueous solution in an electrochemical cell characterizing in having an electrode made from the present Pd decorated 2D TMD composite.
Resumen de: US2025270117A1
A water processing system includes an ultrafiltration membrane device (UF membrane device), a reverse osmosis membrane device (RO membrane device), an electric deionization device (EDI device), and an information processing device (edge computer). The information processing device controls operations of the ultrafiltration membrane device, the reverse osmosis membrane device, and the electric deionization device based on information on a water electrolysis device that obtains hydrogen by subjecting water to electrolysis. Water that is processed by the electric deionization device is supplied to the water electrolysis device. The water electrolysis device is able to obtain hydrogen by subjecting supplied water to electrolysis.
Resumen de: US2025273961A1
A carbon-free energy supply system generates hydrogen from electricity generated by a floating offshore photovoltaic power generation plant, synthesizes energy carriers using the hydrogen as a raw material, stores the energy carriers, converts the energy carriers into a predetermined energy form to supply the energy to each of the supply destination facilities. The floating offshore plant is composed of multiple photovoltaic panels, each of which is substantially hexagonal in plan view, by connecting the photovoltaic panels in a honeycomb structure in plan view. Each photovoltaic panel functions as a floating body, panel housings of the adjacent photovoltaic panels are capable of swinging relative to each other in a vertical direction, and each photovoltaic panel can be submerged and floated to a predetermined depth by pouring water into and draining water from the panel housing.
Resumen de: AU2025217260A1
Embodiments of the invention relate to systems and methods for producing hydrogen gas and/or liquid fuels using electrolysis. Embodiments of the invention relate to systems and methods for producing hydrogen gas and/or liquid fuels using electrolysis. ug u g m b o d i m e n t s o f t h e i n v e n t i o n r e l a t e t o s y s t e m s a n d m e t h o d s f o r p r o d u c i n g h y d r o g e n g a s a n d o r l i q u i d f u e l s u s i n g e l e c t r o l y s i s
Resumen de: US2025262610A1
According to the embodiments of the present disclosure, an ammonia decomposition catalyst may be prepared by performing heat treatment on alumina, a lanthanum compound and a cerium compound in a reducing gas atmosphere to form a composite oxide on an alumina support, and supporting an active metal including ruthenium on the composite oxide.
Resumen de: JP2024028790A
To provide a hydrogen generation system that generates hydrogen from raw water.SOLUTION: A hydrogen generation system includes pure water generating means for generating pure water from raw water, hydrogen generating means for generating hydrogen from the pure water generated by the pure water generating means, and hydrogen storage means for storing hydrogen generated by the hydrogen generating means.SELECTED DRAWING: Figure 1
Resumen de: WO2025178924A1
A system and method to precipitate calcium hydroxide at low temperatures (T < 40 °C) using an electrolytic reactor with hydrodynamic separation. The calcium can be supplied by any calcium bearing material such as calcium carbonate or basalt rock, or from industrial wastes such as brine or steel slag. The solid feedstock undergoes dissolution, whereas the brine may be utilized as is. Once in solution, the feed stream is directed towards an electrolyzer reactor which comprises a cathode, an anode, and a membrane separator. At the cathode, or in a separate precipitation chamber, an alkaline catholyte solution containing calcium hydroxide (portlandite) and magnesium hydroxide (brucite) precipitates, and hydrogen gas is produced.
Resumen de: WO2025178748A1
A system and a method are disclosed. The system includes a plurality of reversible energy conversion devices, a cryotank configured to store a liquefied fuel comprising hydrogen therein, a liquefier, and a fueling station for hydrogen-based vehicles. The cryotank, the liquefier, the plurality of reversible energy conversion devices, and the fueling station are fluidly connected. Each reversible energy conversion devices is individually controlled and is configured to reversibly convert hydrogen gas into electricity and convert electricity to hydrogen gas. The system also includes at least one interconnect configured to be connected with to a power grid, a data center, or an energy storage.
Resumen de: WO2025177951A1
Problem The present invention provides a diaphragm for alkaline water electrolysis in which an inorganic compound for imparting hydrophilicity is not likely to fall off from an organic polymer porous membrane. Solution In this diaphragm for alkaline water electrolysis, a thin film that is derived from a titanium alkoxide and/or a zirconium alkoxide is adhered to an organic polymer porous membrane. The organic polymer porous membrane is a polysulfone-based porous membrane or a polyphenylsulfone-based porous membrane, and is supported by a wet nonwoven fabric that has polyphenylene sulfide fibers as constituent fibers. The organic polymer porous membrane supported by the wet nonwoven fabric is immersed in a diluent that is obtained by dissolving a solute, which is composed of a titanium alkoxide and/or a zirconium alkoxide, in a solvent and has a concentration of 0.1-20 vol%. Thereafter, in a situation where the solute is not precipitated, a heat treatment is performed so as to obtain a diaphragm for alkaline water electrolysis, in which a thin film that is derived from a titanium alkoxide and/or a zirconium alkoxide is adhered to the organic polymer porous membrane.
Resumen de: WO2025175829A1
Disclosed in the present invention is a system for preparing a hydrogen and oxygen mixed combustible gas from water, comprising a water tank, a first storage tank, a second storage tank and an electrochemical reactor. The water tank is connected to a feeding port of the electrochemical reactor via a water pipe. The electrochemical reactor is provided with a first gas outlet and a second gas outlet, the first gas outlet being connected to the first storage tank via a pipe, and the second gas outlet being connected to the second storage tank via a pipe. The first storage tank and the second storage tank are separately connected to a main discharge pipe via pipes, and a discharge port of the main discharge pipe is connected to a fuel gas storage tank. The electrochemical reactor is connected to a control apparatus. The present invention has the beneficial effects of effectively reduced production cost, capability of having the properties of combustibility, high calorific value, combustibility in an oxygen-deficient state and the like, and no pollution after combustion such that the hydrogen and oxygen mixed combustible gas is a novel efficient and environment-friendly clean energy.
Resumen de: WO2025179041A1
Particular embodiments described herein provide for a synthetic fuel creation system. The synthetic fuel creation system includes a syngas creation station to create syngas, a crude creation station to create heavy syncrude, and a crude cracking station to convert the heavy syncrude into synthetic fuel. The synthetic fuel creation system can use an electrocatalysis system to create the syngas and the electrocatalysis system can include an anode, a cathode, oxygen evolution reaction catalysts, hydrogen/carbon monoxide evolution reaction catalysts, and an electrolyte, where the hydrogen/carbon monoxide evolution reaction catalysts include a graphitic carbon nitride.
Resumen de: WO2025176273A1
The various embodiments of the present invention disclose an electrolyser and a method for electrolysis of water. The system (100) comprises at least an electrolyser stack (101) producing a first gas-first electrolyte mixture at a first compartment of the stack (101), and a second gas-second electrolyte mixture at a second compartment of the stack (101). A first separator (103) receives the first gas-first electrolyte mixture via a first outlet (107) and separates a first electrolyte from a first gas. A second separator (104) receives the second gas-second electrolyte mixture via a second outlet (108) and separates a second electrolyte from a second gas. A first inlet (105c) transports at least the first electrolyte into the stack (101) and a second inlet (106c) transports at least the second electrolyte into the stack (101). A first suction line (105a) connects a first pump (109) and the first separator (103) and a first head line (105b) connects the first pump (109) and the first inlet (105c) of the stack (101). A second suction line (106a) connects a second pump (110) and the second separator (104), and a second head line (106b) connects the second pump (110) and the second inlet (106c) of the stack (101). An interconnect line (111) connecting the first head line (105b) and the second suction line (106a) is configured to supply a portion of the first electrolyte, at a predetermined mixing rate, from the first head line (105b) to the second suction line (106a). The predeter
Resumen de: EP4606931A1
The present disclosure relates to a hydrogen production control system and method, and a storage medium. The hydrogen production control system includes a safety controller, a first valve and a second valve respectively connected to the safety controller, a hydrogen-production controller, a third valve and a fourth valve respectively connected to the hydrogen-production controller, an oxygen-side gas-liquid separation apparatus respectively in communication with the first valve and the third valve, and a hydrogen-side gas-liquid separation apparatus respectively in communication with the second valve and the fourth valve, where the hydrogen-production controller is configured to control a pressure in the oxygen-side gas-liquid separation apparatus through the third valve, and control a liquid level in the hydrogen-side gas-liquid separation apparatus through the fourth valve; and the safety controller is configured to: when a hydrogen production parameter is greater than or equal to a preset parameter alarm threshold, adjust the pressure in the oxygen-side gas-liquid separation apparatus through the first valve, and/or adjust the liquid level in the hydrogen-side gas-liquid separation apparatus through the second valve. In this way, system safety is effectively ensured, and production efficiency is improved.
Resumen de: WO2025173338A1
This pretreatment method comprises, prior to incorporating a mesh plate (80) into a cell, exposing the mesh plate (80) to ultrasonic waves while the mesh plate (80) is immersed in water. Hydrophilicity of the mesh plate (80) is thereby improved. Stagnation of gas in the mesh plate (80) when an electrochemical reaction is performed in a cell can therefore be suppressed. The efficiency of an electrochemical reaction in a cell can be improved as a result.
Resumen de: GB2638622A
A hydrogen production facility 10 and associated method of use is disclosed, comprising a plurality of electrolyser stacks 12. The stacks 12 are for electrolyzing water, generating a hydrogen-aqueous solution mixture. A hydrogen separator 2 arrangement is described for producing a flow of hydrogen from the hydrogen-aqueous solution mixture. The hydrogen separator 2 arrangement comprises a plurality of first stage hydrogen collector separators 20,22, where the first stage hydrogen collector separators are fluidly coupled to a respective sub-set of the plurality of electrolyser stacks. The plurality of first stage hydrogen collector separators 20,22 are also fluidly coupled to a downstream hydrogen buffer vessel 28. The hydrogen separator 2 arrangement may comprise one or more hydrogen coalescing devices 16. A pressure balancing line 24 can also be provided between oxygen 22 and hydrogen separators 20 - it may also extend between hydrogen 28 and oxygen buffer 30 vessels.
Resumen de: GB2638621A
A hydrogen production facility 10 and associated method of use is disclosed, comprising a plurality of electrolyser stacks 12. The stacks 12 are for electrolyzing water, generating a hydrogen-aqueous solution mixture. A hydrogen separator 2 arrangement is described for producing a flow of hydrogen from the hydrogen-aqueous solution mixture. The hydrogen separator 2 arrangement comprises a plurality of first stage hydrogen collector separators 20,22, where the first stage hydrogen collector separators are fluidly coupled to a respective sub-set of the plurality of electrolyser stacks. The plurality of first stage hydrogen collector separators 20,22 are also fluidly coupled to a downstream hydrogen buffer vessel 28. The hydrogen separator 2 arrangement may comprise one or more hydrogen coalescing devices 16. A pressure balancing line 24 can also be provided between oxygen 22 and hydrogen separators 20 - it may also extend between hydrogen 28 and oxygen buffer 30 vessels.
Resumen de: KR20250128257A
본 발명의 일 실시예는 니켈 폼 기판; 상기 니켈 폼 기판의 표면에 형성된 NiSe 나노 와이어 코어부; 및 상기 NiSe 나노 와이어 코어부의 표면에 형성된 Mo3Se4 쉘부;를 포함하는 것을 특징으로 하는 Mo3Se4-NiSe 코어-쉘 나노 와이어 어레이를 제공한다.
Resumen de: KR20250128239A
산소 발생 반응(OER) 또는 산소 환원 반응(ORR)에 대한 촉매 활성을 갖는 복합 촉매 구조체가 개시된다. 복합 촉매 구조체는, 다공성 금속 지지체; 상기 다공성 금속 지지체로부터 성장된 금속 질화물 나노시트; 및 상기 금속 질화물 나노시트의 표면 상에 배치된 층상형 금속 이중층 수산화물 나노시트;를 구비할 수 있다.
Resumen de: KR20250127881A
본 발명은 탄소지지체; 상기 탄소지지체 상에 형성된 폴리아닐린을 포함하는 코팅층; 및 상기 코팅층 상에 성장된 전이금속을 함유하는 촉매 구조체;를 포함하되, 상기 촉매 구조체는 전이금속 칼코겐 화합물 또는 전이금속 이중층수산화물인 바인더프리 전극을 제공한다. 본 발명에 따른 바인더프리 전극은 탄소 지지체를 촉매의 기판으로 하여 내구성 및 유연성이 우수하여 다양한 분야에 적용가능할 뿐만 아니라, 귀금속 촉매를 사용하지 않으면서도 높은 수소발생반응 또는 산소발생반응 활성을 구현할 수 있어 대규모 생산 시 비용상승 및 자원고갈의 문제를 해결할 수 있다.
Nº publicación: KR20250128240A 27/08/2025
Solicitante:
연세대학교산학협력단
Resumen de: KR20250128240A
산소 발생 반응(OER) 또는 산소 환원 반응(ORR)에 대한 촉매 활성을 갖는 층상형 금속 이중층 수산화물 촉매가 개시된다. 상기 층상형 금속 이중층 수산화물 촉매는 하기 화학식 1의 화학구조를 갖는다. 화학식 1 M11-(a+b)M2aY3+b(OH)2An-(a+b)/n·cH2O 상기 화학식 1에서, M1은 +2가의 산화상태를 갖는 제1 전이금속 양이온이고, M2는 +3가의 산화상태를 갖는 제2 전이금속 양이온이고, A는 -n의 산화상태를 갖는 층간 음이온이고, a, b는 각각 "0
BOPI
Sede Electrónica
