Results 41 to 50 of about 4,736 (178)
Development and Optimization of a Cylindrical Laminated Methanol Steam Reforming Microreactor with Porous Metal as Catalyst Support [PDF]
摘要 以低碳醇为燃料的制氢微反应器可为燃料电池等微小型电子装置提供安全可靠的在线氢源,从而引起世界各国研究者的广泛关注。本文以多孔金属材料为载体,设计制造了一种新型层叠式柱形甲醇水蒸气重整制氢微反应器,可获得较佳的制氢效果。论文主要研究内容如下: (1)载体结构甲醇水蒸气重整制氢微反应器设计 利用Solidworks软件设计了一种新型层叠式柱形甲醇水蒸气重整制氢微反应器。其中蒸发腔设计栅板结构,可有效增强反应溶液的汽化效果以及重整腔入口流体分布的均匀性。载体板采用多孔金属材料,降低加工成本 ...
张军鹏
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ABSTRACT The high operating temperatures and sluggish kinetics of Mg‐based hydrogen storage materials (HSMs) are urgently being addressed. In this work, a novel Mg–Ni–Ga HSM with dual‐phase synergistic catalysis is developed, including the fishbone‐like Mg3Ni2Ga1 catalytic phase and the Mg2Ni phase with stacking faults (SFs).
Shiyang Hu +7 more
wiley +1 more source
Study on the kinetics of dimethyl ether one-step synthesis from syngas(合成气一步法制二甲醚的动力学研究)
采用固定床积分反应器,研究了用浸渍法制备的CuO-ZnO/Y-zeolite双功能催化剂上CO加氢直接合成二甲醚的反应动力学.按一氧化碳加氢先合成甲醇,再由甲醇脱水生成二甲醚两步串联的反应机理,分别建立了动力学模型,并对该催化剂上甲醇合成及甲醇脱水的机理作了探讨.模型的计算值和实验值能较好吻合,两步反应的表观治化能分别为27.98 kJ/mol和30.62kJ ...
JIANGDa-hao(江大好) +3 more
doaj +1 more source
Analysis of Power Generation Technology Trend in 14th Five-Year Plan Under the Background of Carbon Peak and Carbon Neutrality [PDF]
The deep decarbonization of the energy and power industry will play a vital role in achieving the goal of carbon peak and carbon neutrality in China, and the important breakthrough point lies in the innovation of science and technology.
FENG Yiming +4 more
core +1 more source
Cu‐Based Catalysts Design Toward Electrochemical CO2 Reduction to Valuable Multi‐Carbons Products
ABSTRACT Electrochemical reduction of CO2 to multi‐carbon products (e.g., C2+, ethene, ethanol, etc.) not only effectively decreases the CO2 concentration in atmosphere but also shows great potential economic benefits due to these exploitable value‐added products. The Cu‐based catalysts have caught much attention in CO2 electroreduction due to the good
Li‐Qing Li +5 more
wiley +1 more source
Progress of dye-sensitized water-splitting for hydrogen production [PDF]
The mechanism of dye-sensitized water-splitting for hydrogen production is introduced. Research works on the use of different dye molecules and redox mediators are reviewed.
Leung, MKH, Leung, YC, Ni, M
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Biodegradable Mg Alloys: Enhancing Anti‐tumor Immunity in Cancer Therapy
ABSTRACT Magnesium (Mg) alloys, as biodegradable metallic materials with excellent biocompatibility and mechanical properties, demonstrate significant advantages. In the field of immunotherapy, they present a promising potential option for enhancing therapeutic outcomes and hold broad prospects for application.
Can Feng +8 more
wiley +1 more source
Studies on Preparation and Visible-light-induced Photocatalytic Properties of Bismuth-containing Nanocomposites [PDF]
如何提高光量子利用率和光量子效率是目前光催化材料研究中的两个关键问题。为了解决铋系半导体光催化剂光生载流子容易复合及其光量子利用率较低的问题,本文采用简单易行的静电纺丝技术与软化学原位合成技术,设计制备一系列分布均匀、能级匹配的铋系纳米复合材料,并围绕这些材料在光催化领域内的应用性能开展研究。在可见光光催化剂的设计和材料的控制合成方面取得了一定的进展,为今后类似材料体系的构筑提供了参考依据,所合成材料具有良好的应用前景。 (1)采用静电纺丝法和溶液原位离子交换法成功合成了Bi2S3 ...
邱英强
core
ABSTRACT This study successfully prepared a high‐palladium (Pd)‐loading (51 wt%) Pd/Al2O3 composite through multiple wet impregnation. The material exhibited excellent hydrogen isotope separation performance, with metal–support interactions endowing it with a higher plateau pressure and lower desorption temperature.
Long Liang +10 more
wiley +1 more source
研究了氢氧化铝和氢氧化镁两种金属水合物对硅橡胶耐漏电起痕性能的影响,分析了其影响机理。综合氢氧化铝对硅橡胶电气性能和物理机械性能影响的试验结果,得出了氢氧化铝的最佳含量和粒径;氢氧化镁也有助于硅橡胶材料耐漏电起痕性能的改善。
张照前 +3 more
doaj

