通过微波乙二醇法制备了Pt/CeO2/CNTs催化剂用于碱性体系中的甲醇电催化氧化,考察了不同的CeO2含量对其电催化活性的影响.X射线衍射(XRD)和透射电镜(TEM)结果表明,Pt/CeO2/CNTs催化剂中Pt颗粒较小,在载体上分散性较好.循环伏安曲线和计时电流测试结果表明,Pt/CeO2/CNTs催化剂表现出良好的甲醇电催化氧化性能,当Pt与CeO2质量比为1:0.5时,催化剂电化学活性面积为76.3 m2·g -1,甲醇氧化峰电流密度值为12.95 mA·cm-2.Pt和CeO2之间的协同作用促进了Pt/CeO2/CNTs催化剂的甲醇电催化氧化性能.
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