Graphene-wrapped Fe_2O_3 nanorings for Li ion battery anodes

查看全文 作　　者：Lili [1]Wang;Qiushi [2,2]Chen;Yongchun [1]Zhu;Yitai [1,2]Qian

机构地区：[1]Hefei National Laboratory for Physical Science at Micro-scale,University of Science and Technology of China;[2]Department of Chemistry, University of Science and Technology of China

出　　处：《Chinese Science Bulletin》索引2014年第59卷第32期,共3页

基　　金：supported by the National Natural Science Foundation of China(91022033,21201158);the National Basic Research Program of China(2011CB935901);Anhui Provincial Natural Science Foundation(1208085QE101);the Fundamental Research Funds for the Central Universities(WK2340000027) 摘　　要：Graphene-wrapped Fe2O3nanorings(RGO/Fe2O3)were synthesized by a facile approach,which assembled with graphene and the Fe2O3nanorings precursor through the colloidal coagulation effect at room temperature.The uniform Fe2O3nanorings prepared by hydrothermal routes were homogeneously distributed and well wrapped by graphene.When tested as anode for lithium ion batteries,RGO/Fe2O3exhibits a high capacity and good cycling stability.This could be attributed to the interaction of ring-shaped structure and graphene sheets,which inherit the good kinetic property of Fe2O3nanorings and enhance the structural integrity with graphene sheets’support. 关键词：FE2O3 锂离子电池纳米环石墨包裹阳极循环稳定性结构完整性

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Graphene-wrapped Fe_2O_3 nanorings for Li ion battery anodes

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