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Ho3+修饰的Pt/C电极对DMM的电催化氧化

Electrooxidation of DMM at Pt/C catalysts modified with Ho3+

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【作者】 刘冉崔瑞海高颖邬冰

【Author】 LIU Ran1,2,CUI Rui-hai2,GAO Ying1,WU Bing,1(1.College of Chemistry and Chemical Engineering,Harbin Normal University,Harbin 150080,China;2.College of Life Science and Chemsitry,Harbin University,Harbin 150080,China)

【机构】 哈尔滨师范大学化学化工学院哈尔滨学院生命科学与化学学院

【摘要】 通过循环伏安法(CV),计时电流法(CA)和线性扫描法(LSV)对二甲氧基甲烷的电氧化特性进行了研究.发现当用Ho3+修饰Pt/C催化剂电极后可以大幅度提高电极对DMM的电催化活性.热处理Ho3+修饰后Pt/C催化剂电极,可进一步提高该电极对DMM的电催化氧化活性.

【Abstract】 The electro-oxidation characteristics of dimethoxymethane(DMM),which is a possible alternative fuel for direct methanol fuel cell(DMFC),were carried out by cyclicvoltammetry(CV)and chronoamperometry(CA)at Pt/C catalyst and the Pt/C electrodes modified with Ho3+.The eletrocatalytic activities were highly improved after the Pt/C electrodes were modified with Ho3+.A new oxidation peak appeared at more negative potential after the heat-treatment of the electrodes modified with Ho3+,which made the electrode more active for DMM electrooxidation.

【基金】 国家自然科学基金资助项目(20573029);黑龙江省自然科学基金资助项目(B200505);黑龙江省教育厅基金资助项目(11531243,11531235);哈尔滨市青年基金资助项目(2007RFQXG059)
  • 【文献出处】 分子科学学报 ,Journal of Molecular Science , 编辑部邮箱 ,2009年01期
  • 【分类号】O646.54
  • 【被引频次】2
  • 【下载频次】76
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