| 甲醇、甲醛和甲酸在碳载纳米Pt-WO3电极上的催化氧化 |
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| 引用本文： | 李小芳,张亚利,孙典亭,焦奎.甲醇、甲醛和甲酸在碳载纳米Pt-WO3电极上的催化氧化[J].青岛大学学报(工程技术版),2004,19(4):18-24. |
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| 作者姓名： | 李小芳 张亚利 孙典亭 焦奎 |
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| 作者单位： | 1. 青岛大学化工学院,山东,青岛,266071
2. 青岛科技大学,山东,青岛,266043 |
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| 摘 要： | 用循环伏安法研究了纳米PtWO3 /玻碳电极对于甲醇、甲醛和甲酸的电催化氧化作用 ,发现所制备的电催化电极具有较高的电催化活性。探讨了甲醇、甲醛和甲酸在纳米PtWO3 /玻碳电极上的催化机理。纳米PtWO3 /玻碳电极 (nmPtWO3 /GC)、纳米Pt/玻碳电极 (nmPt/GC)和常规铂电极 (Pt)的催化活性的顺序是 :nmPtWO3 /GC >nmPt/GC >Pt。
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| 关 键 词： | 纳米Pt-WO3 甲醇 甲醛 甲酸 电催化氧化 |
Electrocatalytic Oxidation of Methanol, Formaldehyde and Formic Acid on the Nano- Pt- WO3/GC Electrode |
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| LI Xiao-fang,ZHANG Ya-li,SUN Dian-ting,JIAO Kui.Electrocatalytic Oxidation of Methanol, Formaldehyde and Formic Acid on the Nano- Pt- WO3/GC Electrode[J].Journal of Qingdao University(Engineering & Technology Edition),2004,19(4):18-24. |
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| Authors: | LI Xiao-fang ZHANG Ya-li SUN Dian-ting JIAO Kui |
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| Affiliation: | LI Xiao-fang~1,ZHANG Ya-li~1,SUN Dian-ting~1,JIAO Kui~2 |
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| Abstract: | The nanoPtWO_3/GC electrode,which was prepared by constant potential deposition techniques, has been applied to the electrochemical oxidation of ethanol,formaldehyde and formic acid, respectively. The results demonstrate that the electrode exhibits the high electro-catalytic activity, and the nanoPtWO_3/GC electrode shows higher catalytic activity than the nanoPt/GC electrode. The origin of various peaks of cyclic voltammogram related to the oxidation of methanol, formaldehyde and formic acid is also explained. |
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| Keywords: | nanoPtWO_3/GC electrode GC electrode methanol formaldehyde formic acid electrocatalytic oxidation |
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