CoFe2O4-graphene nanocomposite as a high-capacity anode material for lithium-ion batteries

被引：193
作者：
Xia, Hui [1 ,2 ]
Zhu, Dongdong [1 ]
Fu, Yongsheng [2 ]
Wang, Xin [2 ]
机构：
[1] Nanjing Univ Sci & Technol, Sch Mat Sci & Engn, Nanjing 210094, Jiangsu, Peoples R China
[2] Nanjing Univ Sci & Technol, Minist Educ, Key Lab Soft Chem & Funct Mat, Nanjing 210094, Jiangsu, Peoples R China
来源：
ELECTROCHIMICA ACTA | 2012年 / 83卷
基金：
中国国家自然科学基金;
关键词：
Cobalt ferrite; Graphene; Anode material; Lithium-ion batteries; Nanocomposite; GRAPHENE; PERFORMANCE; HYBRID; CARBON; COMPOSITE; COFE2O4; STORAGE; OXIDE;
D O I：
10.1016/j.electacta.2012.08.027
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A straightforward hydrothermal strategy is designed for the fabrication of CoFe2O4-graphene nanocomposites with different graphene contents. Due to the synergetic effect between the conducting graphene nanosheets and CoFe2O4 nanoparticles, the nanocomposites exhibit promising electrochemical performance as anode material for lithium-ion batteries. It is found that the graphene content plays an important role in tuning the electrochemical performance of the nanocomposite. With 20 wt% graphene, the CoFe2O4-graphene nanocomposite electrode can deliver a high reversible specific capacity up to 1082 mAh g(-1) as well as excellent cycling stability and rate capability. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：166 / 174
页数：9
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