In this paper, we report a wet chemical synthesis of polyaniline – platinum nanocomposite and the fabrication of a flexible supercapacitor. Capacitive properties of the synthesized materials were analyzed using cyclic voltammetry, EIS, and galvanostatic charge–discharge. The high areal capacitance of 102 mF cm−2 was obtained for polyaniline platinum nanocomposite with 10 wt% graphite and 10 wt% PTFE binder. The prototype of a parallel plate supercapacitor was fabricated with an optimum concentration of HCl incorporated cellulose paper as the dielectric medium. Polyaniline –platinum composite exhibited high specific capacitance of 280F g−1, with characteristic breakdown potential of 1.0 V, a specific energy density of 2.46 W h g−1, and a specific power density of 0.15 W g−1. It also exhibits high elasticity and flexibility. The capacitance is not altered while applying strain which indicates the applicability of polyaniline and its nanocomposites for flexible electronics.
P. G. Krishnaa, Navaneeth, P., Ramachandran, T., Dr. Satheesh Babu T. G., and Suneesh, P. Vasu, “Fabrication of polyaniline-platinum nanocomposite based flexible supercapacitor”, Materials Today: Proceedings, vol. 33, pp. 2407-2413, 2020.