球形LiFePO_4材料碳包覆的研究  

Study on coating spherical LiFePO_4 materials with carbon

作　　者：田地[1] 单忠强[1] 王国增[1] 田建华[1] 

机构地区：[1]天津大学化工学院应用化学系,天津300072

出　　处：《功能材料》2009年第7期1133-1136,共4页Journal of Functional Materials

基　　金：国家重点基础研究发展计划(973计划)资助项目(2002CB211800)

摘　　要：主要研究了采用不同碳源和掺碳量包覆对液相共沉淀-碳热还原法制备的球形LiFePO4材料性能的影响。结果表明,采用过量5%葡萄糖作碳源制备的材料在0.1C下,首次放电比容量达到了154.6mAh/g,并且循环性能良好。The researched the modification by coating spherical LiFePO4 materials prepared by co-deposited-carbonthermal reduction with different carbon sources and mixing accounts. The result indicated that the sample coated with 5% excess glucose has the most optimized electrochemical properties with a discharge capacity of 154.6mAh/g under a current density of 0.1C and good cycle performance.

关 键 词：磷酸铁锂 球形 碳包覆 碳源 

分 类 号：TM912.9[电气工程—电力电子与电力传动]