摘要:通过简便的方法合成出了Pt-CeOx/CNxNT催化剂。该催化剂以聚吡咯纳米管碳化后的含氮碳纳米管作为载体,以氧化铈作为助催化剂。实验表明,由于二氧化铈的储氧性能,也由于CNxNT载体中氮元素的促进作用和其本身独特的一维中空结构,Pt-CeOx/CNxNT催化剂的氧还原性能明显高于商业Pt/C。而催化剂优秀的稳定性则源于二氧化铈对Pt纳米颗粒和载体的保护作用。
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