采用一步沉淀法,制备了纳米级Pt-CeO2/C电催化剂.透射电镜和X射线衍射表征结果表明,制备的催化剂Pt颗粒均匀分散于碳载体表面,其粒径主要分布于1.5～2.5 nm.将Pt-CeO2/C催化剂制备成质子交换膜燃料电池膜电极,经循环伏安和单电池极化曲线测试发现,Pt-CeO2/C催化剂性能与Pt/C催化剂的相当.一氧化碳消除伏安测试和单电池的抗一氧化碳性能测试结果表明,Pt-CeO2/C催化剂具有很好的抗一氧化碳氧化性能.
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