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435
resultados
Última actualización
26/08/2025 [06:48:00]
Resultados 300 a 325 de 435
Resumen de: KR20250097287A
하기 식 (1)의 페로브스카이트 구조 촉매로서, ABO3 (1) 상기 식에서 A는 La, Sr로 이루어진 군으로부터 선택된 적어도 어느 하나이고, B는 Co, Fe, Ni, Ru 및 Mn로 이루어진 군으로부터 선택된 적어도 어느 하나이며, 상기 B에는 Ru가 일부 도핑된 것을 특징으로 하는 페로브스카이트 구조 촉매가 제공된다.
Resumen de: BG113842A
The system and method for producing hydrogen and oxygen according to the invention optimize the production process, wherein the electrolysis of water is performed by superheated water vapor, and the decomposition of the water vapor is performed under the influence of a high-voltage field, which reduces the energy cost of producing hydrogen and oxygen. Also much of the input energy is recovered in two stages, in the first stage the recovery is done with separate economizers (5, 7) for the hydrogen and oxygen, which transfer their heat to the incoming hot water, and in the second stage the recovery is done in the purification and cooling of the hydrogen and oxygen. Recovery of the heat input for heating allows a significant reduction in the cost of hydrogen and oxygen production and a reduction in the cost of hydrogen and oxygen.
Resumen de: MA66617A1
The co-generation of hydrogen 11 from water 8 produced during pressure driven water desalination/filtration processes, such as reverse osmosis, forward osmosis, pressure retarded osmosis or ultrafiltration. A small part of feed, raw saline solution and/or permeate involved in a desalination/filtration processes is subjected to electrolysis thereby splitting the water to produce hydrogen. This is achieved by the provision of novel RO type semi-permeable membranes and UF type membrane that incorporate electrodes 9, 10 within the membrane to allow splitting of the water via electrolysis.
Resumen de: WO2024150467A1
Provided is a solid electrochemical device comprising: a solid electrolyte which has a first main surface and a second main surface that is opposite from the first main surface; a first electrode which has a third main surface and a fourth main surface that is opposite from the third main surface and which is provided such that the third main surface faces the first main surface; a first current collector which has a fifth main surface and a sixth main surface that is opposite from the fifth main surface and which is provided such that the fifth main surface faces the fourth main surface; and a first interconnector which has a seventh main surface and which is provided such that the seventh main surface faces the sixth main surface, wherein the seventh main surface of the first interconnector is a flat surface, the first current collector includes a first porous metal body that has a three-dimensional network structure, and the fifth main surface has a plurality of first through-holes that are formed so as to extend along a first direction from the fifth main surface to the sixth main surface.
Resumen de: AU2023369983A1
The present invention relates to stack module with at least one Solid Oxide electrolysis stack that comprises a plurality of stacked Solid Oxide electrolysis cells, wherein the stack module comprises two gas inlet connections and two gas outlet connections. According to the invention, the at least one Solid Oxide electrolysis stack is encapsulated in a metal container, wherein the two gas inlet connections and the two gas outlet connections are attached to the metal container. The invention further relates to Solid Oxide Electrolyzer with at least one stack module and a method of exchanging a stack module of a Solid Oxide Electrolyzer.
Resumen de: KR20250097060A
본 발명은 선박이나 화물차에 의한 운송이 가능하도록 상자 모양으로 제작되고, 도어에 의해 내부가 개폐되는 컨테이너; 상기 컨테이너의 내측에 전기분해에 필요한 물을 공급하도록 마련되는 급수기; 상기 컨테이너의 내측에 전기분해에 필요한 전해액을 분배 공급하도록 마련되는 전해액분배기; 상기 급수기로부터 공급되는 물과 상기 전해액분배기로부터 전해액을 각각 분배 공급받아 전기분해에 의한 수소와 산소를 발생시키고, 상기 컨테이너의 내측에 좌우로 배열되면서 상하로 적층되도록 설치되는 수소발생기; 상기 수소발생기의 전기분해에 필요한 전기에너지를 제공하도록 상기 컨테이너의 내측에 설치되는 파워서플라이; 상기 수소발생기로부터 발생되는 수소로부터 산소 및 수분을 제거하도록 상기 컨테이너의 내측에 설치되는 정제기; 및 상기 정제기에 의해 정제된 수소와 상기 수소발생기로부터 발생되는 산소를 각각 저장하도록 상기 컨테이너의 내측에 설치되는 수소탱크 및 산소탱크;를 포함하도록 한 멀티 스택 방식의 모듈형 수전해 장치에 관한 것이다. 본 발명에 따르면, 전기분해를 이용한 수소발생기를 사용하여 수소 발생에 필요한 각종 장치들을 필요로 하는 수소 발생 시스템을 제한된 공간에 효율
Resumen de: KR20250097071A
본 발명은 광 산란 기반 수상 태양광 수전해 시스템에 관한 것이다. 일 실시예에 따르면, 수상에 설치되는 광 산란 기반 수상 태양광 수전해 시스템에 있어서, 무기 나노입자를 포함하는 광 가이드 부재와 상기 광 가이드 부재의 전면측, 후면측, 좌면측 및 우면측 중 적어도 하나의 측면에 배치된 태양전지로 이루어진 광 가이드 투명 태양전지;를 포함하는 태양전지 모듈부; 및 상기 태양전지 모듈부와 전기적으로 연결되고, 태양광 에너지를 제공받아 수소 및 산소를 생산하는 수전해 모듈부;를 포함하는, 광 산란 기반 수상 태양광 수전해 시스템이 제공될 수 있다.
Resumen de: AU2023369983A1
The present invention relates to stack module with at least one Solid Oxide electrolysis stack that comprises a plurality of stacked Solid Oxide electrolysis cells, wherein the stack module comprises two gas inlet connections and two gas outlet connections. According to the invention, the at least one Solid Oxide electrolysis stack is encapsulated in a metal container, wherein the two gas inlet connections and the two gas outlet connections are attached to the metal container. The invention further relates to Solid Oxide Electrolyzer with at least one stack module and a method of exchanging a stack module of a Solid Oxide Electrolyzer.
Resumen de: CN120205236A
The invention provides a method for in-situ preparation of a Ni-Fe7S8/MoS2 heterojunction nano material based on iron foam and application of the Ni-Fe7S8/MoS2 heterojunction nano material, and belongs to the technical field of nano material synthesis. Comprising the following steps: dissolving thioacetamide, sodium molybdate and nickel nitrate in deionized water, and fully stirring until the thioacetamide, the sodium molybdate and the nickel nitrate are completely dissolved to obtain a mixed reaction solution; transferring the mixed reaction solution into a high-pressure reaction kettle, then adding iron foam as a Fe source and a framework, and heating and preserving heat until the reaction is finished; and after the high-pressure reaction kettle is cooled to the room temperature, the iron foam is taken out and washed and dried, and the Ni-Fe7S8/MoS2 heterojunction nanometer material is obtained. According to the method, the Ni-doped Fe7S8/MoS2 heterojunction nano material is grown on the iron foam in situ by adopting a one-step hydrothermal method, so that the problems of high raw material cost, difficult synthesis and poor electrode stability are solved, low-cost and efficient synthesis is realized, the electrode stability is improved, and the preparation method is suitable for industrial production. And the excellent catalytic performance of low overpotential, fast dynamics and high charge transfer rate in hydrogen preparation through electrochemical catalysis of water de
Resumen de: AU2023391802A1
The present invention pertains to an ammonia decomposing catalyst and a method for producing same. More specifically, the present invention pertains to: an ammonia decomposing catalyst containing an MgAl
Resumen de: AU2023376448A1
Provided is a positive electrode for electrolysis, which is unlikely to deteriorate in electrolysis performance even in cases where a power with large output fluctuation such as renewable energy is used as a power source, and in which excellent catalytic activity is maintained for a long period of time. A positive electrode 10 for electrolysis comprises: a conductive substrate 2 at least a surface of which is made of nickel or a nickel-based alloy; and a first layer 4 which is formed on the surface of the conductive substrate 2 and can function as a catalyst layer composed of a lithium-containing nickel cobalt oxide represented by a composition formula of Li
Resumen de: CN120210839A
The invention discloses a PEM electrolytic bath flow field structure for producing hydrogen through electrolysis of water, and belongs to the technical field of distributed hydrogen production, especially hydrogen production through electrolysis of water. Comprising an inlet and an outlet located on the two sides of the square flow field plate, the inlet communicates with a flow equalizing area through a first flow guide area, the flow equalizing area communicates with a parallel flow field area, the parallel flow field area communicates with a flow mixing area, the flow mixing area communicates with a second flow guide area, and the second flow guide area communicates with the outlet. The flow field plate has the beneficial effects that the uniformity of fluid in the flow field is guaranteed, meanwhile, heat can be effectively dissipated, stable operation of a system is guaranteed, the requirement for the effective reaction area of an electrolytic bath is met by connecting the multiple flow field plates in parallel, and meanwhile the use performance of the flow field plates is guaranteed.
Resumen de: CN120210871A
The invention belongs to the technical field of catalyst preparation, and provides a porous flower-shaped P-doped Co9S8 compound as well as a preparation method and application thereof. The preparation method comprises the following steps: dispersing cobalt salt (including cobalt acetate) into a water-ethanol mixed solvent to obtain a cobalt salt solution; the preparation method comprises the following steps: dipping carbon cloth into a cobalt salt solution, adding a sulfur source into the cobalt salt solution after dipping is completed, and carrying out a hydrothermal reaction to obtain a carbon cloth Co9S8 compound; and mixing the carbon cloth Co9S8 compound with a phosphorus source, and phosphorizing to obtain the porous flower-shaped P-doped Co9S8 compound. The P-doped Co9S8 compound obtained by the preparation method disclosed by the invention is in a porous nano flower shape, and can provide a high specific surface area and abundant electron transmission channels. The P-doped Co9S8 compound shows the oxygen evolution performance and the hydrogen evolution performance of electrolyzed water under 10mA/cm < 2 >, and the oxygen evolution performance and the hydrogen evolution performance of electrolyzed water are 271 mV and 80 mV respectively.
Resumen de: CN115485066A
A catalytic material and a method of making the catalytic material are described. The use of the catalytic material in catalyzing ammonia decomposition processes is also described. The catalytic material comprises a metal oxide and a metal M selected from the group consisting of Ru, Fe, Co, Mo, and mixtures of two or more thereof, and is particularly active in the catalytic decomposition of ammonia, even at low temperatures.
Resumen de: CN120222428A
The invention provides an electricity-hydrogen coupling intelligent regulation and control method and system considering a wind-solar prediction error, and relates to the technical field of electric power, and the method comprises the steps: collecting wind-solar historical power generation data, and obtaining prediction error probability distribution based on adaptive combination kernel density estimation; the distribution serves as an uncertainty constraint, a dual neural network is adopted to execute deep reinforcement learning, an action value network dynamically adjusts a decision space, and a target network evaluates risks and restrains decisions based on conditional risks and state values; a distributed collaborative network is constructed, and hydrogen production power and hydrogen desorption power are controlled in real time based on a dynamic consistency theory and a synchronous potential function. The operation stability and economical efficiency of the electricity-hydrogen coupling system are improved, and the uncertainty of wind and light power generation is effectively dealt with.
Resumen de: CN120210863A
The invention belongs to the field of new energy and water electrolysis hydrogen production, and relates to a foamed Ni-high-entropy alloy catalyst and a preparation method and application thereof. The foam Ni-high-entropy alloy catalyst comprises foam Ni, a high-entropy alloy and metal Ni, wherein the high-entropy alloy and the metal Ni are loaded on the surface of the foam Ni, and according to the foam Ni-high-entropy alloy catalyst, the foam Ni and the high-entropy alloy are integrated through the metal Ni. The preparation method comprises the following steps that high-entropy alloy metal powder and Ni metal powder are added into a wet mixing agent A to be subjected to first-time ball-milling mixing, and a mixture A is obtained; adding a wet mixing agent B into the mixture A, mixing, carrying out secondary ball-milling mixing to obtain a mixture B, filtering the mixture B, and reserving a liquid part to obtain an impregnation liquid; soaking foamed nickel in the steeping liquor, and then drying and sintering to obtain the foamed nickel-high-entropy alloy catalyst. The preparation method provided by the invention is simple to operate, and saves time and economic cost.
Resumen de: CN120210832A
The invention relates to the technical field of wind-solar power generation hydrogen production, in particular to a wind-solar combined water electrolysis hydrogen production method and system.The method comprises the steps that output power data of wind power generation equipment and photovoltaic power generation equipment and input power data of an alkaline electrolytic bath are collected, and the collected data are preprocessed; respectively acquiring comprehensive adjustment coefficients of the wind power generation equipment and the photovoltaic power generation equipment; and determining the disturbance step length of the corresponding power generation equipment in the maximum power point tracking algorithm based on the perturbation and observation method at the current moment by using the comprehensive adjustment coefficient. The invention aims to dynamically adjust the disturbance step length, prevent the output power from wandering near the maximum power point to generate oscillation, and improve the stability and hydrogen production efficiency of a hydrogen production system.
Resumen de: CN120210842A
The invention provides an electro/thermochemical gradient hydrogen production system and method for solar radiation energy grading and residual light energy thermal complementary coupling. The system comprises a light condensation assembly; the frequency division assembly is used for grading solar spectrum radiation; a photovoltaic cell power generation device; the methane oxygen-enriched combustion high-temperature photovoltaic power generation device is used for realizing oxygen-enriched combustion of natural gas by utilizing residual heat heat energy and generating power by utilizing radiation energy generated by high-temperature flue gas generated after combustion; the solid oxide electrolytic tank device is used for pushing solid oxide to electrolyze water to produce hydrogen by utilizing heat energy and electric energy contained in the high-temperature flue gas step by step; and the thermal chemical reaction device is used for promoting each step of thermal chemical reaction by utilizing heat energy and electric energy contained in the high-temperature flue gas step by step. The energy source of the system is solar radiation and natural gas, hydrogen and electricity are produced, the system utilizes different energy conversion modes to achieve temperature gradient ordered conversion and utilization of residual light energy after solar frequency division, and complementary coupling of different qualities is achieved on the basis of energy gradient conversion.
Resumen de: CN120226171A
The present disclosure relates to an electrochemical cell stack comprising solid state electrochemical cells (20), an electrically conductive separator (30); and a sealing element (40). The separator comprises: a central portion (31) having an oppositely recessed support surface (32) supporting the solid oxide cell, and a contact surface (34) opposite the recessed support surface contacting an adjacent solid state electrochemical cell; and a boundary portion (36) providing a relatively elevated top (37) and upstanding side walls (38). A sealing element (40) extends between an elevated top surface of the boundary portion and an opposing support surface (39) of an adjacent bulkhead. The spacing distance between the concave support surface and the contact surface of the adjacent separator, defined by the combined height of the sealing element and the upstanding side wall, is matched to the thickness of the solid state electrochemical cell.
Resumen de: CN120225638A
The invention relates to a device/method for capturing/converting CO2. The present invention relates to a process for producing CO and water, comprising/using a CO2 capture unit (2) that produces a CO2-rich effluent (3), a water electrolysis unit (5) that converts water (4) into oxygen (6) and hydrogen (7), an RWGS unit (8) that treats the CO2-rich effluent with hydrogen (7) and produces an RWGS gas (9) enriched in CO and water, an FT unit (13) that converts the RWGS gas and produces an FT effluent (14), a first separation unit (15) that treats the FT effluent and produces a hydrocarbon effluent (17) and a gas effluent (33), a second separation unit (34) separating the first gas (33) producing a CO2-lean gas (18) and a CO2-rich gas (35) fed to the RWGS unit, a hydrogen unit (20) treating the hydrocarbon effluent to produce a hydrocarbon fraction (21).
Resumen de: CN120210887A
The invention provides a titanium-based catalytic anode for water electrolysis hydrogen production and a preparation method thereof.The titanium-based catalytic anode comprises a titanium substrate and a catalytic layer covering the surface of the titanium substrate, and the catalytic layer is a slurry coating formed by mixing cerium-zirconium solid solution powder and a noble metal catalyst; or the catalyst layer is formed by depositing a cerium-zirconium solid solution loaded with a noble metal catalyst on the surface of the titanium substrate. The cerium-zirconium solid solution has high catalytic activity, can provide abundant defect sites and active sites, and is beneficial to the generation of catalytic reaction; and the cerium-zirconium solid solution can also optimize the surface property of the noble metal catalyst and improve the adsorption and conversion efficiency of reactants, so that the catalytic performance of the titanium-based catalytic anode is remarkably improved.
Resumen de: CN120221723A
The invention discloses an off-grid hydrogen-electricity complementary energy supply system suitable for a plateau and an energy supply method thereof. The system comprises a renewable energy power generation and energy storage system, a water electrolysis hydrogen and oxygen production system, a fuel cell combined heat and power supply system, a user power supply system, a user oxygen supply system and a user heat supply system. The electric energy output end of the renewable energy power generation and storage system is connected with the water electrolysis hydrogen and oxygen production system and the user power supply system through cables. The water electrolysis hydrogen and oxygen production system is respectively connected with the user oxygen supply system and the fuel cell heat and power cogeneration system through pipelines; the power supply output end of the fuel cell combined heat and power supply system is connected with the user power supply system, and the heat supply output end of the fuel cell combined heat and power supply system is connected with the user heat supply system. According to the invention, a combined power supply and multi-demand supply system with zero-carbon energy input is realized, and the problem that renewable energy power and consumption in plateau areas are not matched in time and space is solved.
Resumen de: CN120222394A
The invention discloses an optimized operation method of a grid-connected wind power hydrogen production system considering operation characteristics of an electrolytic cell. Firstly, whether a wind power plant meets grid-connected fluctuation requirements is obtained and judged; extracting a wind power output power grid-connected component and a fluctuation component from the original wind power which does not meet the requirement by adopting a wavelet packet decomposition method; an electrolytic cell array and other flexible resources are introduced to stabilize wind power fluctuation, and a PEMEL electrolytic cell start-stop operation strategy is formulated; and finally, constructing an operation constraint model of the wind power hydrogen production system, and realizing optimized operation of the wind power hydrogen production system based on the formulated electrolytic cell start-stop operation strategy. Based on the energy efficiency characteristics of the electrolytic cell, the method can effectively improve the hydrogen production efficiency of the electrolytic cell, thereby improving the overall benefit of the system. The adopted electrolytic cell starting and stopping strategy can be suitable for electrolytic cell array hydrogen production in multiple scenes, and under the condition that the requirement for stabilizing wind power fluctuation is met, the system operation hydrogen production income and the system overall hydrogen production efficiency serve as evalua
Resumen de: CN120210882A
The invention relates to an Ir-loaded nickel-vanadium nitride and a preparation method and application thereof, the Ir-loaded nickel-vanadium nitride comprises a vanadium modified Ni3N carrier and precious metal Ir loaded on the vanadium modified Ni3N carrier, and the Ir-loaded nickel-vanadium nitride is of a multi-composite structure on the whole. The preparation method of the Ir-loaded nickel-vanadium nitride comprises the steps of hydrothermal reaction, plasma activation treatment, Ir loading, ammoniation and the like. The preparation method comprises the following steps: firstly, modifying a Ni3N carrier, optimizing an electronic structure of Ni3N by utilizing a vanadium element, and improving the adsorption and cracking capability of the Ni3N to water molecules, so that the Ni3N carrier becomes an excellent hydrogen evolution catalyst; then, the hydrogen evolution activity of the catalyst is further improved by loading low-content noble metal Ir on the modified Ni3N carrier; the prepared low-load Ir nickel-vanadium nitride is an alkaline hydrogen evolution catalyst with high catalytic activity, and can reduce hydrogen production energy consumption and cost when being applied to the field of hydrogen production by water electrolysis.
Nº publicación: CN120210844A 27/06/2025
Solicitante:
SINOPEC GUANGZHOU ENG CO LTD
SINOPEC ENG GROUP CO LTD
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\u4E2D\u77F3\u5316\u70BC\u5316\u5DE5\u7A0B\uFF08\u96C6\u56E2\uFF09\u80A1\u4EFD\u6709\u9650\u516C\u53F8
Resumen de: CN120210844A
The invention discloses a quick energy-saving starting device for an electrolytic bath, which comprises a water electrolysis hydrogen production subsystem and a circulating hot water station heat pump subsystem, the hydrogen production subsystem comprises an electrolytic bath, an oxygen gas-liquid separator, a hydrogen gas-liquid separator, an oxygen multi-channel alkali liquor heat exchanger, a hydrogen multi-channel alkali liquor heat exchanger, an oxygen alkali liquor circulating pump and a hydrogen alkali liquor circulating pump, and the heat pump subsystem comprises a circulating hot water station, a hydrogen compressor, an oxygen compressor, a hydrogen cooler and an oxygen cooler. The oxygen multi-channel alkali liquor heat exchanger and the hydrogen multi-channel alkali liquor heat exchanger are provided with circulating water channels, hot water channels and alkali liquor channels, cooling and heating functions are integrated, when the electrolytic bath operates, hot alkali liquor is cooled through circulating water, and when the electrolytic bath is in a standby state, the hot alkali liquor is cooled through hot water. The waste heat of the electrolytic bath system is used for maintaining the temperature of the cold alkali liquor so as to ensure quick start of the electrolytic bath. The power consumption in the starting process of the electrolytic cell is reduced, the operation cost is reduced, and the starting time of the electrolytic cell is shortened.
BOPI
Sede Electrónica
