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Issue 9, 2018
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A simple route to preparing γ-Fe2O3/RGO composite electrode materials for lithium ion batteries

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Abstract

A simple approach to synthesizing γ-Fe2O3 nanoparticles encapsulated by reduced graphene oxide (RGO) sheets is demonstrated for the first time. It was found that iron metal can substantially reduce few-layer graphene oxide (GO) to form reduced graphene oxide (RGO) in GO aqueous suspension under ambient conditions, and in the meantime be oxidized to form γ-Fe2O3 nanoparticles dispersed on the surface of RGO sheets. The γ-Fe2O3/RGO composite delivered both stable cycling performance and good rate capability when used as an anode in a lithium-ion battery cell. This novel experimental method for synthesizing γ-Fe2O3/RGO composite materials is cost-effective, eco-friendly and suitable for synthesizing other metal oxide/RGO composite materials.

Graphical abstract: A simple route to preparing γ-Fe2O3/RGO composite electrode materials for lithium ion batteries

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Publication details

The article was received on 15 Nov 2017, accepted on 01 Feb 2018 and first published on 01 Feb 2018


Article type: Paper
DOI: 10.1039/C7TA10052C
Citation: J. Mater. Chem. A, 2018,6, 4048-4054
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    A simple route to preparing γ-Fe2O3/RGO composite electrode materials for lithium ion batteries

    B. Xu, X. Guan, L. Y. Zhang, X. Liu, Z. Jiao, X. Liu, X. Hu and X. S. Zhao, J. Mater. Chem. A, 2018, 6, 4048
    DOI: 10.1039/C7TA10052C

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