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575
results.
Updated on
24/12/2025 [07:09:00]
Results 425 to 450 of 575
Absstract of: KR20250156482A
본 발명은 용해로에 알루미늄을 투입하고, 버너를 이용하여 상기 용해로를 가열하는 단계; 알루미늄 용융된 용탕의 표면에서 알루미늄 드로스를 수집하는 단계; 반응조에 수집된 알루미늄 드로스 및 폐알칼리 용액을 투입하여 수소 가스를 발생시키고, 발생된 수소 가스를 포집하는 단계; 및 상기 용탕으로 알루미늄 빌렛을 제조하는 단계; 를 포함하며, 상기 버너는 수소 버너를 포함하고, 상기 알루미늄 드로스 및 상기 폐알칼리 용액을 반응시켜 발생된 수소 가스는 상기 수소 버너의 연료로 공급되는 것을 특징으로 하는 알루미늄 빌렛 제조 방법에 관한 것이다.
Absstract of: KR20250156580A
본 발명은 수소 제조 장치에 관한 것으로서, 구체적으로는 암모니아에 마이크로파를 인가하여 수소와 질소로 분해하는 장치에 관한 것이다. 본 발명은 특히 고출력 마이크로파 발생부를 이용하여 암모니아의 열분해를 효율적으로 수행하고, 그 생성된 수소를 다양한 용례에 활용할 수 있게 하는 수소 제조 장치에 관한 것이다. 본 발명에 따른 수소 제조 장치는 구체적으로, 암모니아가 투입되면 비귀금속 촉매재를 이용하여 상기 암모니아를 수소와 질소로 분해하는 반응기, 상기 반응기 내 상기 암모니아에 마이크로파를 인가하는 적어도 하나의 마이크로파 발생부, 및 상기 마이크로파 발생부의 출력 레벨 및 주파수를 제어하여 상기 반응기 내 온도를 유지하는 제어 시스템을 포함한다.
Absstract of: WO2025226115A1
The present invention relates to a super-hydrophilic titanium oxide nanotube electrode electrodeposited with metal nanoparticles and, more specifically, to a method for manufacturing a super-hydrophilic titanium oxide nanotube-based electrode electrodeposited with metal nanoparticles through simple electrooxidation and electrodeposition.
Absstract of: KR20250156282A
본 발명의 일 실시예에 따른 선박은, 해수를 수소로 분리하는 수소발생장치 및 상기 수소발생장치를 통해 제조된 수소를 저장하는 수집부를 포함하고, 상기 수소발생장치는, 광촉매를 통해 해수로부터 수소를 발생시키는 촉매부 및 해수의 수면에 배치되어 상기 촉매부를 지지하는 지지부를 포함할 수 있다.
Absstract of: US2025333862A1
A solid oxide electrolysis cell includes an oxygen electrode, a fuel electrode, and an electrolyte interposed between the oxygen electrode and the fuel electrode. The oxygen electrode comprises an oxygen electrode carrier comprising internal pores, and an oxygen electrode catalyst supported in the internal pores, and having a perovskite single-phase structure. The fuel electrode comprises a fuel electrode carrier and a fuel electrode catalyst supported on the fuel electrode carrier.
Absstract of: FR3161690A1
Couplage d’une installation d’hydrogénation ou d’oxydation (2) et d’une installation de production de dihydrogène (3) pour transférer (4) de la chaleur produite par l’installation d’hydrogénation ou d’oxydation (2) à un flux d’entrée d’un dispositif électrochimique de l’installation de production de dihydrogène (3) et/ou pour acheminer (100) vers l’installation d’hydrogénation ou d’oxydation (2) un ou plusieurs fluides formés par le dispositif électrochimique. Figure pour l’abrégé : Fig. 6
Absstract of: CN120866845A
The invention relates to the technical field of water electrolysis hydrogen production processes, in particular to a gas-liquid treatment system capable of stably operating in a wide load fluctuation range, which can adjust the liquid levels of hydrogen and oxygen on two sides and ensure the normal operation of equipment, and comprises an electrolytic bath, an outlet of the electrolytic bath is connected with a hydrogen separator and an oxygen separator which are arranged in parallel; an outlet of the hydrogen separator is connected with an inlet of the hydrogen heat exchanger, an outlet of the oxygen separator is connected with an inlet of the oxygen heat exchanger, an inlet of the hydrogen heat exchanger is connected with the hydrogen washing tower, an outlet of the hydrogen washing tower is connected with a hydrogen outlet pipe, an inlet of the oxygen heat exchanger is connected with the oxygen washing tower, and an outlet of the oxygen washing tower is connected with an oxygen outlet pipe. The hydrogen separator and the oxygen separator are respectively provided with a liquid level meter, the hydrogen separator and the oxygen separator are both connected with a nitrogen charging pipe, and temperature detectors are respectively arranged on a hydrogen side connecting pipe of the hydrogen heat exchanger and the hydrogen scrubber and an oxygen side connecting pipe of the oxygen heat exchanger and the oxygen scrubber.
Absstract of: CN120869951A
The invention relates to an electrolytic cell simulation device and a BOP test system, and belongs to the technical field of water electrolysis. The electrolytic cell simulation device comprises a cavity simulation module which comprises an oxygen cavity unit and a hydrogen cavity unit and can be communicated with a BOP system to receive water supplied by the BOP system; the gas production simulation module is respectively communicated with the oxygen cavity unit and the hydrogen cavity unit; the water balance simulation module is respectively communicated with the hydrogen cavity unit and the oxygen cavity unit, can be communicated with the BOP system, is controlled to supply water supplied by the BOP system into the hydrogen cavity unit, and can be controlled to discharge water in the oxygen cavity unit; and the controller module is used for respectively controlling each module according to the control instruction. The electrolytic cell simulation device provided by the invention can replace a real electrolytic cell to carry out BOP system testing, so that the situation that the service life of the electrolytic cell is attenuated in the BOP testing process, and even the electrolytic cell is damaged to cause interruption of the testing process is avoided.
Absstract of: CN120861807A
The invention specifically discloses a preparation method and application of a low-energy-consumption and high-selectivity foam metal electrode material, and the method comprises the steps: bonding selected sponges with different specifications through a sponge binder mixed with metal powder, and carrying out the conductive treatment of the bonded sponges; electroplating the sponge subjected to the conductive treatment on the basis of a pre-prepared electroplating solution; sintering the electroplated semi-finished product in an oxygen atmosphere, and performing metal reduction in a hydrogen atmosphere; and infiltrating the sintered semi-finished product in dilute nitric acid in an inert gas atmosphere, so that hydrophilic groups generated by the reaction are grafted on the surface of the sintered semi-finished product. The aperture of the electrode material is subjected to gradient design, so that bubbles are easy to separate, the overall energy consumption is reduced, the active sites of the foam metal are increased, and the activity of the electrode material is improved; and hydrophilic groups are grafted on the surface of the electrode material, so that the electrode material is changed from hydrophobicity to hydrophilicity, and the electrode material has high selectivity.
Absstract of: CN120882905A
The invention relates to a device for producing molecular hydrogen and molecular oxygen by electrolysis, comprising: an electrolytic cell stack (10) having an electrolyte inlet, a first outlet for a mixture of electrolyte and a first electrolysis product gas, and a second outlet for a mixture of electrolyte and a second electrolysis product gas; at least one first separation device (11) connected to the first outlet for separating the first gas and the electrolyte; and at least one second separation device (12) connected to the second outlet for separating the second gas and the electrolyte. At least one of the separation devices (11, 12) comprises a first vertical separation stage and a second gravitational separation stage.
Absstract of: CN120866941A
The invention discloses a two-dimensional beryllium alkene material and a prediction method and application thereof, and belongs to the technical field of new energy nanometer materials. The two-dimensional beryllium alkene material is a gamma-phase two-dimensional beryllium alkene material, has a space group of P-6m < 2 > and is composed of three planar triangular single layers. The gamma-phase two-dimensional beryllium alkene material has excellent electrochemical catalysis hydrogen evolution reaction performance and has wide practical application potential.
Absstract of: CN120873536A
The invention discloses an alkaline electrolytic cell regulation variable priority determination method and a related device, the correlation between different state variables is considered through a correlation matrix, through a first-order variance contribution matrix and a total variance contribution matrix, the influence of a regulation variable on a single state variable is considered, and the priority of the regulation variable is determined through the first-order variance contribution matrix and the total variance contribution matrix. The interaction of each regulation and control variable in a plurality of state variables is also considered, correlation and variance contribution are incorporated into a sensitivity analysis framework, and the sensitivity of each preset moment regulation and control variable to the state variables can be determined, so that the priority of each preset moment regulation and control variable can be determined, and a proper regulation and control strategy can be conveniently formulated and implemented; the operation efficiency and the control precision of the alkaline electrolytic cell are remarkably improved, the hydrogen output is optimized, and the overall performance is enhanced.
Absstract of: CN120866842A
The invention discloses a floating type photovoltaic hydrogen production flexible unit, and belongs to the technical field of photovoltaic hydrogen production, the floating type photovoltaic hydrogen production flexible unit comprises a flexible photovoltaic panel, a first connecting assembly, an electrolytic cell, a hydrogen storage cavity, a second connecting assembly, an arc-shaped plate, a planar photovoltaic panel, an air pillow and a liquid ballast, the front side and the back side of the electrolytic cell are connected with the first connecting assembly and the second connecting assembly respectively, the first connecting assembly and the second connecting assembly are connected with a flexible photovoltaic panel or an arc-shaped panel; according to the invention, by arranging the independent small photovoltaic cell and the independent small electrolytic cell, pressure boosting, pressure reducing and confluence are avoided, the photovoltaic hydrogen production efficiency is improved, and the flexible photovoltaic panel, the electrolytic cell and the arc-shaped plate are all made of flexible materials, so that the flexible unit can adapt to wave and hydraulic changes, the costs of land, a floating platform bracket and the like are reduced, and the cost is reduced. And the electrolytic cell is in direct contact with the water surface, so that a water supply and heat dissipation system is avoided, the complexity of BOP is greatly reduced, and the cost of photovoltaic hydr
Absstract of: CN120866883A
The invention relates to the technical field of water electrolysis hydrogen production in the field of new energy, in particular to an electrolytic bath outlet sampling system which can conveniently detect the running state of an electrolytic bath and comprises a first electrolytic bath outlet pipe and a second electrolytic bath outlet pipe. The end parts of the outlet pipe of the electrolytic cell I and the outlet pipe of the electrolytic cell II are connected with one end of an oxygen separator and are respectively provided with a sampling pipe connected with an oxygen analysis and separation tank, a partition plate is arranged in the oxygen analysis and separation tank, and two gas outlet pipes connected with an analyzer for hydrogen in oxygen are arranged at the top of the oxygen analysis and separation tank; an alkali liquor outlet pipe is arranged at the lower part of the other end of the oxygen separator, an oxygen cooler is arranged at the upper part of the other end of the oxygen separator, a gas pipe at the top of the oxygen cooler is connected with the oxygen scrubber, and an oxygen outlet is formed in the top of the oxygen scrubber.
Absstract of: CN120866882A
本发明公开了一种基于实时能耗的水电解制氢系统控制参数自整定方法，通过部署分钟级精度的电能表与氢气流量计，构建实时电耗闭环反馈系统，创新采用两级协同整定机制：第一级解耦温度与电流的强耦合关系，通过网格寻优+精细寻优确定最低ΔE组合；第二级优化碱液流量与分离器液位。本发明突破了多参数人工调优瓶颈，实现短时间内完成能效最优整定，单位电耗降幅达5.8‑8.2%，且集成SIL2级安全保护。
Absstract of: CN120864607A
The invention relates to a return water dehydrogenation treatment method and system for PEM water electrolysis hydrogen production equipment. The method comprises the steps that high-pressure nitrogen is decompressed into micro-positive-pressure nitrogen with the gauge pressure ranging from 0.1 Bar-0. 2 Bar through a nitrogen busbar assembly; micro-positive pressure nitrogen is introduced into the bottoms of an oxygen side liquid dropping barrel, a hydrogen side liquid dropping barrel and a total liquid dropping barrel at the same time, aeration pipes with micropores are arranged in the oxygen side liquid dropping barrel, the hydrogen side liquid dropping barrel and the total liquid dropping barrel, the micro-positive pressure nitrogen is released into water in the barrels through the aeration pipes, uniform small bubbles are formed, the water body is stirred, and the micro-positive pressure nitrogen is released into the water body. In the water body turning process, hydrogen and oxygen which are entrained or dissolved in water are entrained to the space above the liquid level, and the entrained or dissolved hydrogen and oxygen are exhausted to the atmosphere through a top exhaust pipe. According to the invention, hydrogen and oxygen dissolved in water are replaced, so that the high purity of the secondary desalted water return water is maintained, and precipitation and the like generated by total trace metal ions in water are also prevented.
Absstract of: CN120866844A
The invention relates to the technical field of water electrolysis hydrogen production, and discloses a water electrolysis hydrogen production device with a dynamic regulation and control function so as to solve the problems that in the prior art, bubbles adhere to electrodes, so that the electrolysis efficiency is affected, liquid flow scours and is prone to entrainment the bubbles, and ion migration is hindered. The electrode mounting plate is provided with a notch and a water containing assembly, the water containing assembly comprises a flexible side edge, a rigid bottom edge and a one-way rotating assembly, the flexible side edge is provided with a washing opening and is further matched with a locking assembly and a gas collecting assembly, and when the driving assembly drives the electrode mounting plate to reciprocate, liquid in the liquid supplementing cavity directionally washes off bubbles through the washing opening; the water holding assembly forms an exclusive channel to guide bubbles to the gas collecting assembly; according to the device, bubble coercing is avoided, gas loss is reduced, mass transfer of the electrolyte is guaranteed, the electrolysis efficiency and stability are improved, and the maintenance cost is reduced.
Absstract of: CN120873488A
The invention discloses an alkaline water electrolysis hydrogen production operation boundary evaluation method considering hydrogen content constraint in oxygen, and relates to the technical field of water electrolysis hydrogen production. The method comprises the following steps: analyzing a generation mechanism of gas crossing in an alkaline water electrolytic cell, according to steady-state and dynamic models of HTO gas crossing caused by diaphragm permeation and alkaline liquor mixed circulation in the electrolytic cell, and based on structural parameters represented by the volume of a gas-liquid separator and operating parameters such as working pressure, temperature, electrolyte circulation flow and the like of the electrolytic cell; the method comprises the following steps: analyzing the influence of different parameters on HTO impurity accumulation, quantifying the sensitivity coefficient of each parameter on HTO accumulation, predicting an HTO accumulation trajectory through a model, determining the safe operation range of different parameters, determining the safe operation boundary of alkaline water electrolysis hydrogen production, and constructing a parameter priority regulation and control method based on sensitivity ranking under a given operation condition. And pressure-flow-temperature parameters are determined for cooperative adjustment under the dynamic working condition, and the HTO concentration overrun risk is inhibited in real time.
Absstract of: CN120861089A
The invention relates to the technical field of heterojunction photocatalytic materials, in particular to a high-defect-concentration heterostructure In2O3/ZnS material and a preparation method and application thereof. The method comprises the following steps: dissolving zinc nitrate and indium nitrate in deionized water, and adding urea into the solution for hydrothermal reaction to obtain Zn-In LDH powder; the preparation method comprises the following steps: dispersing Zn-In LDH powder in deionized water, dissolving thioacetamide in a solution, and carrying out a hydrothermal reaction to obtain light yellow In2O3/ZnS powder; and calcining the In2O3/ZnS powder in an Ar gas atmosphere to obtain the In2O3/ZnS heterojunction material. The preparation raw materials are easy to obtain, the cost is low, the process is simple, and the photocatalytic performance of the material is improved; the In2O3/ZnS heterojunction material with relatively high defect concentration and relatively high crystallinity is prepared, and the photocatalytic hydrogen evolution rate reaches 882.42 mu mol * h <-1 > * g <-1 >.
Absstract of: CN120866873A
The invention discloses a bifunctional electrolyzed water/seawater hydrogen production catalyst as well as a preparation method and application thereof. The preparation method of the catalyst comprises the following steps: S1, pretreating foamed nickel; s2, putting the pretreated foamed nickel into a reaction kettle filled with a mixed solution, putting the reaction kettle into a drying oven, and carrying out heat preservation reaction to obtain NiMn-MOF; s3, putting the obtained NiMn-MOF into a reaction kettle filled with a selenylation solution, putting the reaction kettle into a drying oven, and carrying out heat preservation reaction to obtain a NiMn-Se precursor; and S4, immersing the obtained NiMn-Se precursor into a deposition solution, carrying out deposition preparation by adopting a cathode potentiostatic deposition method under a three-electrode system, taking out foamed nickel after deposition is finished, cleaning, and carrying out vacuum drying to obtain the NiMn-Se-coated CoMn LDH catalyst. The catalyst disclosed by the invention not only has excellent high-current-density seawater electrolysis hydrogen evolution and oxygen evolution catalytic activity, but also has strong corrosion resistance, and can stably operate in seawater for a long time.
Absstract of: KR20230147339A
The present invention provides a device for producing hydrogen using a thermochemical redox cycle. A device for producing hydrogen according to one embodiment of the present invention comprises: a first reactor having one end selectively connected to a heat supply source through a valve and the other end selectively connected to an external cooling device and a heat source-using device through a valve; a second reactor having one end selectively connected to the heat supply source through a valve and the other end selectively connected to the external cooling device and the heat source-using device through a valve; and a control unit performing a control operation by adjusting the state of the valve so that hydrogen or oxygen may be produced in the first reactor and the second reactor. Hydrogen or oxygen can be produced in a plurality of reactors by adjusting the state of a valve.
Absstract of: CN120866870A
The invention provides a preparation method of a Fe-doped NiCoP nanosheet array rich in phosphorus defects, which comprises the following steps: firstly, adding foamed nickel into a reaction solution containing cobalt salt, 2-methylimidazole ligand and deionized water, and growing a Co-ZIF-L nanosheet array on a substrate after reaction; then the Co-ZIF-L is added into a potassium ferrocyanide solution, and Fe-Co PBA is obtained after a reaction; then, sodium hypophosphite is used as a phosphorus source, and the Fe-Co PBA is subjected to phosphating in a tubular furnace to generate Fe-NiCoP; and finally, the Fe-NiCoP is reduced in the H2/Ar atmosphere, and the Fe-doped NiCoP nanosheet array rich in phosphorus defects is obtained. The number of active sites, conductivity and stability of the material are increased by utilizing construction of a hollow structure and introduction of phosphorus defects, so that the electric hydrolysis performance is improved.
Absstract of: CN120866846A
The invention relates to an alkaline electrolytic water hydrogen production system, in particular to an asymmetric mastoid type polar plate used for an alkaline electrolytic bath, which can ensure uniform flow of alkaline liquor at a cathode and an anode and guarantee electrolytic efficiency, and comprises a polar plate body, a cathode-to-mastoid process facing the cathode and an anode-to-mastoid process facing the anode are arranged on the polar plate, and the cathode-to-mastoid process and the anode-to-mastoid process are arranged on the polar plate body. The electrode is characterized in that the height from the cathode to the mastoid process is 4.5-5.5 mm, and the height from the anode to the mastoid process is 3.5-4.5 mm.
Absstract of: CN120866884A
The invention relates to the technical field of hydrogen production, in particular to a water evaporator device for an SOEC system and the SOEC system. The device comprises a box body which is internally provided with a cavity; the water evaporation channel is arranged in the cavity, and the water evaporation channel is used for receiving supply water provided by a water supply device; the condensation separation channel is arranged in the cavity, and the condensation separation channel is used for receiving mixed gas generated after the reaction of the electrolysis device; the water evaporation channel and the condensation separation channel form heat exchange coupling through a heat conduction path, when supply water and mixed gas enter the water evaporation channel and the condensation separation channel respectively, the supply water absorbs heat of the mixed gas and converts the heat into water vapor, and meanwhile the mixed gas is condensed and separated to form liquid water and hydrogen. The water vapor device integrates the functions of the original condenser, the water evaporator and the gas-liquid separator, so that the system is more compact, and meanwhile, the energy consumption in the water evaporation and gas-liquid condensation process is reduced.
Nº publicación: CN120860922A 31/10/2025
Applicant:
SHENGZHOU ZHEJIANG UNIV OF TECHNOLOGY INNOVATION RESEARCH INSTITUTE
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Absstract of: CN120860922A
The invention belongs to the technical field of solar comprehensive utilization and methanol synthesis, and relates to a solar-driven methanol synthesis and water electrolysis coupling system. The device comprises a solar energy light-electricity-heat coupling unit, the solar energy light-electricity-heat coupling unit is composed of a water tank, a preheater, a parabolic trough type solar heat collector, a photovoltaic cell panel and a heat exchanger, a water outlet of the water tank is connected with a water inlet of the preheater through a pipeline, a water outlet of the preheater is connected with a water inlet of the parabolic trough type solar heat collector through a pipeline, and a water outlet of the photovoltaic cell panel is connected with a water outlet of the parabolic trough type solar heat collector through a pipeline; a water outlet of the parabolic trough type solar heat collector is connected with a heat flow inlet of the heat exchanger through a pipeline, and the photovoltaic cell panel is electrically connected with the electric heater and system electric equipment through cables. According to the invention, through a solar light-electricity-heat multi-energy coupling technology, the utilization limitation of single photo-thermal or photo-electricity is broken through, high-temperature heat energy is supplied through photo-thermal, electric energy is supplemented through photo-electricity, a solid oxide electrolytic cell (SOEC) is cooperatively driven to p
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