Facile Synthesis and Supercapacitor Properties of Graphene Nanosheets

doi:10.3724/SP.J.1077.2013.12398

Journal of Inorganic Materials ›› 2013, Vol. 28 ›› Issue (06): 611-615.DOI: 10.3724/SP.J.1077.2013.12398

• Research Paper • Previous Articles Next Articles

Facile Synthesis and Supercapacitor Properties of Graphene Nanosheets

LIU Yi^1,2, ZHAO Yu-Liang¹, GAO Zhao-Fen³, JIANG Xia¹, ZENG Yu-Ping²

(1. College of Chemistry Chemical Engineering & Material Science, Zaozhuang University, Zaozhuang 277160, China; 2. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China, 3. Department of Chemistry, Shangrao Normal College, Shangrao 334001, China)

Received:2012-06-26 Revised:2012-11-01 Published:2013-06-20 Online:2013-05-20
About author:LIU Yi. E-mail: 1967liuyi@163.com
Supported by:
National Natural Science Foundation of China (50872142/E0207); Natural Science Foundation of Shandong Province (2010ZRA04003)

Abstract

Abstract: Graphene nanoplates (GNS) were prepared from oxided graphite by using thiosemicarbazide (CH₅N₃S) as a reducing agent. The microstructures and morphologies of products were subsequently characterized by XRD, FE-SEM, AFM and UV-Vis adsorption spectra. The performances of super-capacitor were characterized using cyclic voltammetry and constant current charge-discharge tests. The experimental results indicated that the as-prepared GNS possessed fair crystalline state and admirable aqueous dispersibility. An electrode prepared from GNS exhibited a specific capacitance of 75 F/g at a current density of 500 mA/g in 3 mol/L KOH electrolyte. Moreover, the GNS showed excellent electrochemical cycle performance.

Key words: graphene nanosheets, thiosemicarbazide (CH5N3S), supercapacitive properties

CLC Number:

TQ174

LIU Yi, ZHAO Yu-Liang, GAO Zhao-Fen, JIANG Xia, ZENG Yu-Ping. Facile Synthesis and Supercapacitor Properties of Graphene Nanosheets[J]. Journal of Inorganic Materials, 2013, 28(06): 611-615.

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Facile Synthesis and Supercapacitor Properties of Graphene Nanosheets

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