The oxidized and reduced states of PANI films, including
the effects of the dopants and electrolytes, have been
extensively studied [32]. Sarac et al. [33] have studied
aniline (ANI), which has been electropolymerised by the CV
method on three different electrodes: Pt, glassy carbon (GC),
and CFME in acid aqueous solution (0.5 M H2SO4).
Bhattachrya et al. [34] have investigated PANI using gas
sensors and corrosion protective coatings. The applicability
of PANI as an ion-exchange resin and conducting polymer
has attracted considerable scientific interest in recent decades
due to its good combination of properties, such as diverse
structure, thermal and radiation stability, low cost, ease of
synthesis, and conducting properties. This resulted in its
application to different fields, such as micro-electronics,
corrosion protection, sensors and electrodes for batteries