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固相反应法合成Pt/MoO3及其电催化作用
Solid State Synthesis and Electrocatalysis of Pt/MoO3 for the Oxidation of Methanol
【摘要】 采用固相合成的方法制得直接甲醇燃料电池催化甲醇氧化的Pt/MoO3.XRD分析、循环伏安测试表明,Pt/MoO3对甲醇的氧化具有较好的催化作用,氧化峰电位出现在0.63V(vs.SCE),峰电流密度可达78.1mA·cm-2.
【Abstract】 The electrocatalyst, Pt/MoO3 synthesized by solid state reaction, was used for the oxidation of methanol in direct methanol fuel cells. The X-Ray diffraction and cyclic voltammetry were employed to investigate the performance of the material. It was shown that the typical diffraction peaks for Pt appeared in XRD. And a good electrocatalysis for methanol oxidation was observed. The peak potential of the methanol oxidation appeared at ca. 0.63V(vs.SCE) and the peak current density for the oxidation was 78.1 mA cm-2 .
【关键词】 Pt/MoO3;
固相反应;
甲醇氧化;
电催化;
【Key words】 Pt/MoO3; Solid state reaction; Methanol oxidation; Electrocatalysis;
【Key words】 Pt/MoO3; Solid state reaction; Methanol oxidation; Electrocatalysis;
【基金】 江苏省教委自然科学基金 (0 3KJB15 0 0 5 6 );“86 3”基金资助项目 (No .2 0 0 3AA5 170 6 3);国家“2 11”工程重点学科建设项目;南京师范大学环境友好实验室基金项目 (12 10 90B6 0 1)资
- 【文献出处】 电化学 ,Electrochemistry , 编辑部邮箱 ,2004年03期
- 【分类号】TM911.4
- 【被引频次】5
- 【下载频次】194