Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 22, Issue 37, Pages 19738-19743Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2jm34019d
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Funding
- National Natural Science Foundation of China [51101139]
- Ph.D. Programs Foundation of Ministry of Education of China [20100101120024]
- Foundation of Education Office of Zhejiang Province [Y201016484]
- Qianjiang Talents Project of Science Technology Department of Zhejiang Province [2011R10021]
- Key Science and Technology Innovation Team of Zhejiang Province [2010R50013]
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A CoFe2O4-nanocrystal/ graphene-nanosheet (CFO/GS) nanohybrid has been synthesized by a facile in situ solvothermal route and has been investigated as a promising high-performance anode material for Li-ion batteries. The crystal size of CoFe2O4 can be controlled to 10-20 nm by pre-treating the precursors before the solvothermal reactions. The method for synthesizing the CFO/GS hybrid can be extended to synthesize MFe2O4/graphene (MFe2O4/G, M = Mn and Ni) hybrids. The CFO/GS hybrid exhibits superior cycling stability and rate capability compared to bare CoFe2O4. The improved electrochemical performance can be attributed to a combination of the conducting, confining and dispersing effects of graphene.
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