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甲醇在Pt/C和Pt/WO3/C电极上的电氧化 被引量:5

Electrocatalytic Performance of Pt/C and Pt/WO_3/C Catalysts for Methanol Oxidation
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摘要 用液相还原法制备碳载Pt(Pt/C)和碳载Pt/WO3(Pt/WO3/C)催化剂.实验表明该催化剂中加入一定量的WO3后,其对甲醇的催化氧化活性和稳定性都有一定提高,并以Pt、W原子比为1∶1的催化剂性能最好.这是由于Pt催化剂中加入了WO3后,其电化学活性比表面积增大,并且降低了对CO吸附强度. The catalysts of Carbon supported Pt(Pt/C) and carbon supported Pt/WO3 (Pt/WO3/C) were prepared with liquid phase reduction method. It was found that the catalytic activity and stability of the Pt/WO3/C catalysts were increased with the addition of WO3. When the atomic ratio of Pt and W was 1: 1, the best electrocatalytic performance of the Pt/WO3/C catalyst for the methanol oxidation was obtained. This is attributed to the larger electrochemical surface area of Pt/WO3/C and the weeker adsorption of CO towards the catalyst.
出处 《电化学》 CAS CSCD 北大核心 2008年第2期155-158,共4页 Journal of Electrochemistry
基金 863计划项目(2006AA05Z137) 国家自然科学基金(20573029,20573057) 黑龙江省自然科学基金(B200505) 哈尔滨市科技创新人才研究专项资金(2007RFQXG059) 黑龙江省研究生创新科研项目(YJSCX2007-0314HLJ) 江苏省自然科学基金(BK2006224) 江苏省教育厅自然科学基金(05KJB150061)资助
关键词 三氧化钨 电催化氧化 甲醇 一氧化碳 platinum tungsten trioxide electrocatalytic-oxidation methanol carbon monoxide
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参考文献7

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二级参考文献32

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