Journal
ELECTROCHIMICA ACTA
Volume 83, Issue -, Pages 166-174Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2012.08.027
Keywords
Cobalt ferrite; Graphene; Anode material; Lithium-ion batteries; Nanocomposite
Categories
Funding
- National Natural Science Foundation of China [21171094, 51102134]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- NUST [2011PYXM03, 2011ZDJH21]
- Department of Education of Jiangsu Province [CXZZ11_0245]
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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.
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