- P-ISSN 1225-0163
- E-ISSN 2288-8985
- P-ISSN1225-0163
- E-ISSN2288-8985
- SCOPUS, ESCI, KCI
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Enhanced Charge Transfer Through Polypyrrole Electropolymerized on Poly(acrylonitrile-co-butadiene)/Pt Electrodes
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1995, v.8 no.4, pp.603-610
Chae,
W., Moon,
J., &
Kim,
K.
(1995). Enhanced Charge Transfer Through Polypyrrole Electropolymerized on Poly(acrylonitrile-co-butadiene)/Pt Electrodes. , 8(4), 603-610.
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Abstract
The charge transfer rate in polypyrrole(PPy) electropolymerized within poly(acrylonitrile-co-butadiene)(PAB) was compared with that in PPy deposited Pt electrodes by using cyclic voltammetry, chronoamperometry, and chronopotentiometry in acetonitrile. For both electrodes anodic and cathodic peak currents were proportional to scan rates below 100 mV/sec, but to square root of scan rates beyond 200 mV/sec. The apparent diffusion coefficient of <TEX>$ClO{_4}^-$</TEX> in the PPy/PAB composite is estimated to be 1.6 times larger than that in PPy. The PPy films composited within PAB layer showed higher anodic and cathodic currents and possessed faster charging-discharging process and larger capacity.
- keywords
- poly(acrylonitrile-co-butadiene), polypyrrole, charging-discharging
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