Synthesis and electrochemical properties of graphene oxide/nanosulfur/polypyrrole ternary nanocomposite hydrogel for supercapacitors
作者： Chunnian Chen , Xuwang Fu , Ting Ma , Wei Fan , Zhongbing Wang
DOI: 10.1002/APP.40814
关键词: Graphene 、 Polypyrrole 、 Fourier transform infrared spectroscopy 、 Supercapacitor 、 Materials science 、 Ternary operation 、 Chemical engineering 、 Cyclic voltammetry 、 Polymer chemistry 、 Nanocomposite 、 Conductive polymer
摘要: A method for synthesizing Graphene oxide (GO)/nano-sulfur/polypyrrole (PPy) ternary nanocomposite hydrogel is depicted. The higher surface area of GO, PPy porous structure and their excellent conductivity are utilized, the GO can be made easily. products characterized by field-emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectra, electrochemical workstation. results demonstrated that GO/nano-S/PPy successfully synthesized. properties investigated cyclic voltammetry, galvanostatic charge/discharge measurements, cycling life in a three-electrode system 1M Li2SO4 electrolyte solution. exhibit high specific capacitance 892.5 F g−1 at scan rates 5 mV s−1 retain about 81.2% (594.8 g−1) initial (732.5 after 500 cycles current density 1 g−1. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2014, 131, 40814.
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