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Fabrication of polyaniline-platinum nanocomposite based flexible supercapacitor

Publication Type : Journal Article

Thematic Areas : Biotech

Publisher : Materials Today: Proceeding

Source : Materials Today: Proceedings, Volume 33, p.2407-2413 (2020)

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Keywords : conducting polymer, Energy storage, Flexible, Metal-polymer nanocomposite, Platinum nanoparticles, supercapacitor

Campus : Amritapuri, Coimbatore

School : School of Biotechnology, School of Engineering

Center : Biosensor Research Lab, Biotechnology

Department : biotechnology, Sciences

Year : 2020

Abstract : 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.

Cite this Research Publication : 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.

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