Article Title

Improving the electrochemical performance of Fe₃O₄ nanoparticles via a double protection strategy through carbon nanotube decoration and graphene networks

Authors

Shuliang Yang, Beijing National Laboratory for Molecular Sciences, Laboratory of Molecular Nanostructures and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
Changyan Cao, Beijing National Laboratory for Molecular Sciences, Laboratory of Molecular Nanostructures and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
Gen Li, Beijing National Laboratory for Molecular Sciences, Laboratory of Molecular Nanostructures and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
Yongbin Sun, Beijing National Laboratory for Molecular Sciences, Laboratory of Molecular Nanostructures and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
Peipei Huang, Beijing National Laboratory for Molecular Sciences, Laboratory of Molecular Nanostructures and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
Fangfang Wei, Beijing National Laboratory for Molecular Sciences, Laboratory of Molecular Nanostructures and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
Weiguo Song, Beijing National Laboratory for Molecular Sciences, Laboratory of Molecular Nanostructures and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China

Keywords

Fe3O4, carbon nanotube, graphene, lithium ion batteries, anode materials

Abstract

Iron oxide is a promising anode material for lithium ion batteries, but it usually exhibits poor electrochemical property because of its poor conductivity and large volume variation during the lithium uptake and release processes. In this work, a double protection strategy for improving electrochemical performance of Fe3O4 nanoparticles through the use of decoration with multi-walled carbon nanotubes and reduced graphene oxides networks has been developed. The resulting MWCNTs–Fe3O4–rGO nanocomposites exhibited excellent cycling performance and rate capability in comparison with MWCNTs–Fe3O4, MWCNTs–Fe3O4 physically mixed with rGO, and Fe3O4–rGO. A reversible capacity of ∼680 mA·h·g–1 can be maintained after 100 cycles under a current density of 200 mA·g–1 .

Graphical Abstract

DOI

https://doi.org/10.1007/s12274-014-0625-6

Publisher

Tsinghua University Press

Recommended Citation

Shuliang Yang,Changyan Cao,Gen Li,Yongbin Sun,Peipei Huang,Fangfang Wei,Weiguo Song, Improving the electrochemical performance of Fe3O4 nanoparticles via a double protection strategy through carbon nanotube decoration and graphene networks. NanoRes.2015, 8(4): 1339–1347