Short communicationNew, low-cost, high-power poly(o-anisidine-co-Metanilic acid (cas 121-47-1))/activated carbon electrode for electrochemical supercapacitors

Add time:09/07/2019    Source:sciencedirect.com

A poly(o-anisidine-co-metanilic acid)/activated carbon composite is evaluated as an active material for electrochemical supercapacitors. Poly(o-anisidine-co-metanilic acid) (PASM) is potentiodynamically deposited on an activated carbon (AC)-coated stainless-steel substrate, in a supporting electrolyte of 1.0 M H2SO4 containing dissolved o-anisidine and metanilic acid, at a sweep rate of 50 mV s−1. Scanning electron micrographs show a uniformly deposited, thick PASM film on the activated carbon. Electrochemical techniques, such as impedance analysis, cyclic voltammetry and galvanostatic experiments, are carried out to investigate the suitability of the PASM/AC electrode for supercapacitor applications. A maximum specific capacitance of 576 F g−1 is obtained for PASM/AC at a 5 mA cm−2 current density.

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