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Start Over Author "Liu, Yushan" Journal materials letters
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5. One-pot hydrothermal synthesis of Mn3O4/graphene nanocomposite for supercapacitors

Author

Fan, Yafei, Zhang, Xudong, Liu, Yushan, Cai, Qiang, and Zhang, Jianmin

Subjects
*MANGANESE oxides, *GRAPHENE, *NANOCOMPOSITE materials, *SUPERCAPACITORS, *METAL microstructure, *NANOPARTICLES, *CYCLIC voltammetry, *IMPEDANCE spectroscopy
Abstract

Abstract: Mn3O4/graphene nanocomposite with the structure of Mn3O4 nanoparticles anchored on graphene sheets was synthesized using a facile in situ one-pot hydrothermal method. The growth of Mn3O4 nanoparticles and the reduction of graphene oxide occurred simultaneously during this hydrothermal process. Hexagonal flake-like Mn3O4 nanoparticles were found well-dispersed on graphene sheets. Cyclic voltammetry (CV), galvanostatic charge–discharge (GCD) and electrochemical impedance spectroscopy (EIS) measurements were used to assess the electrochemical properties of Mn3O4/graphene nanocomposite. The Mn3O4/graphene nanocomposite exhibited a specific capacitance of 171Fg−1 in 1M Na2SO4 aqueous electrolyte and a good rate property. The results showed that the Mn3O4/graphene nanocomposite could be used as electrode material for high performance supercapacitors. [Copyright &y& Elsevier]

Published
2013
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