碱性介质中醇类电氧化Pd系催化剂的制备及性能研究

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直接醇类燃料电池(DAFC)因能量转化效率高、燃料来源丰富、储运方便、成本低廉等优点而受到人们的广泛关注。阳极催化剂的研制是直接醇类燃料电池的关键。为提高碱性介质中Pd系催化剂对醇类的催化活性和稳定性,本文以炭材料为载体、乙二醇为还原剂,采用微波辅助合成法制备催化剂,通过引入其他金属粒子、使用不同类型导电聚合物修饰载体以及使用混合载体提高催化剂的活性和稳定性。采用透射电子显微镜(TEM)、X-射线光电子能谱(XPS)手段对催化剂的微观形貌、组成及结构进行表征。以循环伏安法(CV)、线性扫描伏安法(L
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