期刊
JOURNAL OF POWER SOURCES
卷 266, 期 -, 页码 282-290出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2014.05.051
关键词
Graphene oxide; Reduction; Hybrid; Supercapacitor; Electrochemical performance
资金
- National Natural Science Foundation of China [21074089, 21276181]
A facile and quick route for the chemical reduction of graphene oxide (GO) using In powder as a reductant has been established. The reduction of GO by In powder is traced by UV-visible absorption spectroscopy, and the obtained reduced graphene oxide (rGO) is analyzed. The In3+ ions produced during the reaction between the GO and the In powder are chemically transformed to In2O3 and then form In2O3/rGO hybrids. The In2O3/rGO hybrids are used as electrode materials and their electrochemical performance are studied using cyclic voltammetry and galvanostatic charge/discharge. The In2O3/rGO hybrids demonstrate excellent electrochemical performance and their highest specific capacitance is 178.8 F g(-1) which is much higher than that of either In2O3 or rGO. In addition, the In2O3/rGO hybrids are also very stable. (C) 2014 Elsevier B.V. All rights reserved.
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