Binder Free MnO_2/PIn Electrode Material for Supercapacitor Application

摘要

Electrochemically stable MnO_2/PIn nanocomposite was synthesized via in-situ chemical oxidative polymerization process. The structural and morphological properties were studied through FTIR and FESEM characterizing techniques. Sphere like PIn and MnO_2 nanorods offers interacting surface for charge transfer action. The electrochemical properties were investigated through cyclic voltammetry (C V), galvanostatic charge-discharge (GCD) and electrochemical impedance spectroscopic (EIS) techniques. The significant enhancement in capacitance value with 95% coulombic efficiency and relatively low equivalent series resistance (ESR)~ 0.4 ? proved that MnO_2/PIn nanocomposite is an excellent performer as an electrode material in the spectrum of supercapcitors and optoelectronic devices.