用水热法分解蔗糖制备炭微球(CMS),并使其表层富含的羟基功能基团和金属离子络合,然后用化学还原法,使炭微球表面负载上Pt和Pd催化剂.用循环伏安法研究了炭微球负载催化剂对乙醇在碱性溶液中的电化学氧化活性.结果显示,炭微球负载的催化剂活性面积是相同载量下碳粉负载催化剂的2倍,乙醇在Pd/CMS上的氧化峰电流密度是Pt/CMS上的5倍多.
作 者: 徐常威 刘应亮 沈培康 XU Chang-wei LIU Ying-liang SHEN Pei-kang
作者单位: 徐常威,刘应亮,XU Chang-wei,LIU Ying-liang(暨南大学纳米化学研究所,广东,广州,510632)
沈培康,SHEN Pei-kang(中山大学物理科学与工程技术学院,广东,广州,510275)
刊 名: 电池 ISTIC PKU
英文刊名: BATTERY BIMONTHLY
年,卷(期): 2006 36(5)
分类号: TM911.46
关键词: 乙醇 炭微球 Pd Pt
机标分类号: TQ1 TF1
机标关键词: 乙醇炭微球负载催化剂电化学氧化循环伏安法化学还原法峰电流密度催化剂活性氧化活性金属离子碱性溶液功能基团表面负载水热法蔗糖显示碳粉羟基面积络合
基金项目: 广东省科技厅科技计划
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原文链接:http://d.wanfangdata.com.cn/Periodical_dc200605012.aspx
