Acta Phys. -Chim. Sin. ›› 2017, Vol. 33 ›› Issue (10): 2035-2041.doi: 10.3866/PKU.WHXB201705182

• ARTICLE • Previous Articles     Next Articles

Specific Capacitance and Supercapacitive Properties of Polyaniline-Reduced Graphene Oxide Composite

Xiang-Dong ZENG,Xiao-Yu ZHAO*(),Hui-Ge WEI,Yan-Fei WANG,Na TANG,Zuo-Liang SHA   

  • Received:2017-02-09 Published:2017-07-17
  • Contact: Xiao-Yu ZHAO E-mail:xyz@tust.edu.cn
  • Supported by:
    the National Natural Science Foundation of China(21503146)

Abstract:

Flaky polyaniline-reduced graphene oxide (PANI-rGO) composites have larger specific capacitance due to the improved redox charge of PANI in the composites, fabricated by simultaneous reduction of PANI-GO. The structural and morphological analyses were carried out using scanning electron microscopy, UV-Vis spectroscopy, and thermogravimetry. The results showed that the composites are flaky in shape. PANI is uniformly coated on GO, and PANI-rGO has specific capacitance as high as 1069 F·g-1 (1.71 F·cm-2) at a current density of 20 A·g-1, 5 times higher than PANI-GO; this is caused by the large surface and conductivity of the rGO in the composite.

Key words: Polyaniline-reduced graphene oxide, Polyaniline-graphene oxide, Specific capacitance, Operating voltage

MSC2000: 

  • O646