碳纳米管负载La-Ni-Pt催化剂的制备与性质  

Preparation and characterization of carbon nanotubes supported La-Ni-Pt catalysts

作　　者：杨书廷[1] 杨伟光[1] 尹艳红[1] 杨金鑫[1] 岳红云[1] 

机构地区：[1]河南师范大学化学与环境科学学院

出　　处：《电池》2006年第3期202-204,共3页Battery Bimonthly

基　　金：河南省重大科技攻关项目(0524250021;0324210007)

摘　　要：采用改进的多元醇还原法以乙二醇为反应介质、PVP为保护剂、水合肼为还原剂,制备了碳纳米管(CNTs)负载的La-Ni-Pt合金催化剂,并对CNTs进行了预处理。采用XRD、TEM和EDS法,对样品La-Ni-Pt/CNTs合金和La-Ni-Pt合金的晶相结构、形貌和表面元素进行了分析;采用电化学工作站对电催化性能和耐酸腐蚀性能进行了研究。通过使用CNTs作为载体,催化剂的电催化性能和耐酸腐蚀性能均得到了提高。Carbon nanotubes （CNTs） supported La-Ni-Pt alloy catalysts were prepared using modified polyol process with ethylene glycol, polyvinylpyrrolidone （PVP） and hydrazine as reaction medium, protective agent and reducing agent, respectively. CNTs was pretreated. The crystalline structure, morphology and surface elements of La-Ni-Pt/CNTs and LaoNi-Pt alloys were investigated by XRD, TEM and EDS methods. The electrocatalytie performance and acid corrosion resistance were investigated by electrochemical workstation. The results showed using CNTs as support, the electrocatalytie performance and acid corrosion resistance of the catalyst were improved.

关 键 词：La-Ni-Pt合金 碳纳米管 阳极催化剂 质子交换膜燃料电池 

分 类 号：O643.36[理学—物理化学]