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    题名 作者 年代 出处 被引量
1稀土金属在生物乙醇制氢及其相关反应中的应用显示文摘催化生物乙醇制氢有望成为用清洁可再生能源替代化石能源的有效途径,近年来受到广泛关注。本文介绍了制氢的研究概况及燃料电池的相关应用,概括了生物乙醇制氢的优势及反应过程。重点综述了以Ce和La为代表的稀土金属在乙醇制氢反应中的催化效果,并对与制氢反应紧密相关的甲烷水蒸气变换反应、水汽变换反应、CO选择性氧化反应和黑碳氧化反应中稀土金属的催化作用进行了探讨。在综述相关研究进展的基础上为生物乙醇制氢催化剂的开发提供建议。韩雪 王亚飞 郝红蕊 蒋文全 2015中国稀土学报2015,33,3:6
2Electrolysis of ammonia for hydrogen production catalyzed by Pt and Pt-Ir deposited on nickel foam显示文摘Electrolysis of ammonia in alkaline electrolyte solution was applied for the production of hydrogen. Both Pt-loaded Ni foam and Pt-Ir loaded Ni foam electrodes were prepared by electrodeposition and served as anode and cathode in ammonia electrolytic cell, respectively. The electrochemical behaviors of ammonia in KOH solution were individually investigated via cyclic voltammetry on three electrodes, i.e. bare Ni foam electrode, Pt-loaded Ni foam electrode and Pt-Ir loaded Ni foam electrode. The morphology and composition of the prepared Ni foam electrode were analyzed by scanning electron microscopy(SEM) and X-ray diffraction(XRD). Effects of the concentration of electrolyte solution and temperature of electrolytic cell on the electrolysis reaction were examined in order to enhance the efficiency of ammonia electrolysis. The competition of ammonia electrolysis and water electrolysis in the same alkaline solution was firstly proposed to explain the changes of cell voltage with the electrolysis proceeding. At varying current densities, different cell voltages could be obtained from galvanostatic curves.The low cell voltage of 0.58 V, which is less than the practical electrolysis voltage of water(1.6 V), can be obtained at a current density of2.5 mA/cm2. Based on some experimental parameters, such as the applied current, the resulting cell voltage and output of hydrogen gas, the power consumption per gram of H2produced can be estimated.Min Jiang Dandan Zhu Xuebo Zhao 2014Journal of Energy Chemistry2014,23,1:1
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