Facile synthesis of polypyrrole nanofiber (PPyNF)/NiO x composites by a microwave method and application in supercapacitors

Huijun Liu; Qiang Zhao; Kewei Wang; Zhen Lu; Feng Feng; Yong Guo

doi:10.1039/c8ra09666j

Facile synthesis of polypyrrole nanofiber (PPyNF)/NiO _x composites by a microwave method and application in supercapacitors

RSC Adv. 2019 Feb 28;9(12):6890-6897. doi: 10.1039/c8ra09666j. eCollection 2019 Feb 22.

Authors

Huijun Liu¹, Qiang Zhao¹, Kewei Wang¹, Zhen Lu¹, Feng Feng¹, Yong Guo¹

Affiliation

¹ College of Chemistry and Environmental Engineering, The University of Shanxi Datong Datong 037009 P. R. China.

Abstract

In this study, polypyrrole nanofiber (PPyNF)/NiO _x composites were synthesized by a simple and fast microwave method. The samples were characterized using differential scanning calorimetry and thermal gravimetric analysis (DSC/TGA), X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM). Furthermore, the synthesized PPyNF/NiO _x nanocomposites were electrochemically characterized using galvanostatic charge-discharge, cyclic voltammetry and electrochemical impedance spectroscopy (EIS) techniques. They showed the highest specific capacitance of 657 F g^-1 at 0.5 A g^-1, demonstrating their potential application in supercapacitors.