Abstract:
Using the solution cast technique, solid polymer electrolytes composed of chitosan
and PEO as the host polymer and lithium triflate (LiCF3S03) as the doping salt were
prepared. Propylene carbonate (PC) and ethylene carbonate (EC) as a plasticizer was
added to the solutions, respectively. The conductivity and dielectric behavior of
plasticized chitosan/PE0-30 wt.% LiCF3S03 were studied from 42 Hz to I MHz at
room temperature by EIS. For EC complexes, the highest conductivity was obtained at
50 wt.% (2.93 x 10-5 Siem) and 15 wt.% (8.89 x 10-6