Effect of Montmorilonite on Chitosan-Lithium Acetate Solid Polymer Electrolytes

Abstract

Chitosan was prepared by deacetylation of chitin available from the crab shells. The degree of deacetylation of chitosan was calculated by pH-metric titration while its molecular weight by viscometric method. The structure of chitosan contains the amine group that can act as electron donar and in addition with that lithium acetate was doped to find out the conductance. The change in conductance upon the addition of montmorilonite was also studied on the chitosan-lithium acetate combined sample, which gave maximum conductance. The dielectric constant measurements were done by LCR meter with a fixed frequency of 1 KHz at room temperature.