杂多酸修饰铂电极对异丁醇的电催化氧化  

Heteropoly acid modifying platinum electrode for isobutanol electro-catalytic oxidation

作　　者：于海峰[1] 李松林[1] 张娜[1] 王芳[1] 

机构地区：[1]塔里木大学生命科学学院精细化工研究所,新疆阿拉尔843300

出　　处：《电源技术》2014年第6期1012-1015,共4页Chinese Journal of Power Sources

基　　金：塔里木大学校长基金(TDZKSS07012)

摘　　要：生物质来源的丁醇具有较高的比能量,较高的化学能,电能转换效率高,无毒等优点,可作为直接燃料电池的一种可替代燃料。在前期工作的基础上,将具有较好催化活性的杂多酸修饰铂电极用于丁醇的电催化氧化,在不同介质中测试了铂电极和杂多酸修饰铂电极对异丁醇的电催化氧化性能,结果表明:可通过杂多酸修饰的方式改善铂电极上异丁醇氧化的催化活性,硅钨酸SiW12修饰铂电极的改善效果最为明显,同时得出,酸性介质更有利于异丁醇的氧化。As one of biomass sources, butanol with the advantages of high specific energy, high chemical energy and high efficiency of electrical energy conversion and non-toxic, can be used as a kind of alternative fuel of direct fuel cell. On the basis of previous work, heteropoly acid with better catalytic activity modifying platinum electrodes was used for electric catalytic oxidation of isobutanol and the effects of modified and unmodified platinum electrodes on the electric catalytic oxidation properties of isobutanol were tested in different medium. The results show that the catalytic activity of isobutyl alcohol oxidation on platinum electrode can be improved by heteropoly acid modification. The improvement of electro-catalysis effect on SiW12 modifying platinum electrode is most obvious. At the same time, acidic medium is more in favor of oxidation of isobutanol.

关 键 词：异丁醇 氧化 杂多酸 电催化 铂电极 

分 类 号：TM911[电气工程—电力电子与电力传动]