表面功能化Pd-Co纳米粒子对甲酸氧化的电催化性能

来源 :第十五届全国氢能会议暨第7届两岸三地氢能研讨会 | 被引量 : 0次 | 上传用户:z88981414
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近年来,直接甲酸燃料电池(DFAFCs)因结构简单、清洁等优点,受到广泛关注[1,2].目前,Pd/Pt基阳极催化剂的开发和性能研究是该领域的热点话题,这也是DFAFCs实现商业化应用的亟待突破的关键技术之一.主要存在的问题是Pt基催化剂活性虽好但价格昂贵,单组分Pd催化剂的电催化稳定性差.本文利用油胺(OAm)或油酸(OA)通过直接热分解法制备了表面功能化的Pd-Co纳米粒子(Pd-Co/OAm或Pd-Co/OA),并分别进行了甲酸氧化的电催化性能研究(图1),探讨了表面修饰剂对金属催化剂催化活性的影响规律及作用机制.
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