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电化学  2006 

葡萄糖在纳米Pt/C电极上的电催化氧化

, PP. 20-24

Keywords: 燃料电池,葡萄糖,电催化,Pt/C电极,纳米材料

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Abstract:

用交替微波法制备纳米PVC催化剂,研究和比较葡萄糖在光亮Pt和纳米Pt/C电极上的氧化行为.实验表明,Pt纳米化后,电极反应过电位降低,动力学速率相应提高,从而使电化学性能得到改善.其催化活性和抗毒化能力大于光亮Pt的可能原因即在Pt纳米化后,大幅度提高了表面积,结果不仅增加其电极活性,而且含氧物也容易接近受毒化的反应点,从而较易氧化毒化物而使电极再次活化.

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