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将以铂微粒修饰玻碳电极（ＧＣ）为基体的聚２，５－二甲氧基苯胺膜（ＰＤＭＡ）形成修饰电极（Ｐｔ／ＰＤＭＡ／ＧＣ）．循环伏安实验表明，Ｐｔ／ＰＤＭＡ／ＧＣ电极对甲醇氧化比分散于玻碳电极上的铂催化活性更大。讨论了ＰＤＭＡ膜厚度、铂微粒含量及甲醇浓度对催化活性的影响。这种电极在酸性甲醇溶液中具有良好的稳定性。
A modified electrode (Pt / PDMA / GC) was formed by poly (2,5-dimethoxyaniline) membrane (PDMA) based on platinum particle modified glassy carbon electrode (GC). Cyclic voltammetry experiments showed that the Pt / PDMA / GC electrode exhibited greater catalytic activity for methanol oxidation than platinum dispersed on the glassy carbon electrode. The effects of PDMA film thickness, platinum particle content and methanol concentration on the catalytic activity were discussed. This electrode has good stability in acidic methanol solution.