Ionic Hopping Transport in Chitosan-Based Polymer Electrolytes


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Measurement of the ionic conductivity for the CA-NH4CF3SO3-DMC system was carried out at frequencies of 50 Hz to1 MHz and also at temperatures of 298 K to 313 K. The plot of log σ versus 1000/T shows a linear behavior suggesting that the samples obey the Arrhenius relationship. The electrical relaxation of the system was analyzed using the complex electric modulus M* of the sample with the highest ionic conductivity at various temperatures. The analysis of electrical modulus and dissipation factor (tan δ) shows that charge transport occurs through a hopping mechanism.



Edited by:

A.K. Arof and S.A. Hashim Ali




A.S.A. Khiar et al., "Ionic Hopping Transport in Chitosan-Based Polymer Electrolytes", Materials Science Forum, Vol. 517, pp. 237-241, 2006

Online since:

June 2006




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