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Issue 31, 2015
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Green and facile synthesis of Fe3O4 and graphene nanocomposites with enhanced rate capability and cycling stability for lithium ion batteries

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Abstract

A novel facile and environmentally friendly strategy was developed to prepare Fe3O4 and graphene (Fe3O4/G) nanocomposites through in situ thermal reduction of FeOOH nanorods and graphene oxide (GO) nanocomposites, in which GO serves as a structural platform to uniformly incorporate as-prepared FeOOH nanorods via mutual electrostatic interactions. In the preparation process, GO was added into a FeOOH solution by two steps which are beneficial to form well confined nanocomposites. As anode materials for lithium ion batteries, the Fe3O4/G nanocomposites exhibited significantly enhanced electrochemical performance with excellent cycling stability and a high reversible capacity of ∼1200 mA h g−1 at a current density of 1000 mA g−1 after long-term testing for 1000 cycles, and a remarkable rate capability of ∼660 mA h g−1 at 5000 mA g−1, thus exhibiting great potential as advanced anode materials for lithium ion batteries.

Graphical abstract: Green and facile synthesis of Fe3O4 and graphene nanocomposites with enhanced rate capability and cycling stability for lithium ion batteries

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Supplementary files

Article information


Submitted
20 May 2015
Accepted
26 Jun 2015
First published
14 Jul 2015

J. Mater. Chem. A, 2015,3, 16206-16212
Article type
Paper

Green and facile synthesis of Fe3O4 and graphene nanocomposites with enhanced rate capability and cycling stability for lithium ion batteries

Y. Dong, Z. Zhang, Y. Xia, Y. Chui, J. Lee and J. A. Zapien, J. Mater. Chem. A, 2015, 3, 16206
DOI: 10.1039/C5TA03690A

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