Fabrication and enhanced electrochemical performances of MoO3/graphene composite as anode material for lithium-ion batteries

Author(s): Anjon Kumar Mondal*, Shuangqiang Chen, Dawei Su, Hao Liu, Guoxiu Wang
Centre for Clean Energy Technology, School of Chemistry and Forensic Science, University of Technology, Sydney, Broadway, Sydney, NSW 2007, Australia
International Journal of Smart Grid and Clean Energy, vol. 3, no. 2, April 2014: pp. 142-148
ISSN: 2315-4462 (Print)
ISSN: 2373-3594 (Online)
Digital Object Identifier: 10.12720/sgce.3.2.142-148

Abstract: Molybdenum trioxide (MoO3)/graphene composite were prepared by integrating MoO3 and graphene in dimethylformamide (DMF). The morphology and structure of the materials were characterized by X-ray diffraction, field emission scanning electron microscopy and transmission electron microscopy. The electrochemical properties of MoO3/graphene composite with different ratios were studied as anode materials for lithium-ion batteries using galvanostatic charge-discharge and cyclic voltammetry. We observed that the MoO3/graphene anode with a weight ratio of 1:1 (MoO3:graphene) exhibits a high lithium storage capacity of 967 mA h g-1 at the current density of 500 mA g-1, satisfactory cycling stability and good rate capability.

Keywords: Lithium-ion battery, specific capacity, electrochemical properties, graphene, MoO3 nanorods

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