Polymer electrolytes using chitosan and ammonium triflate (NH4CF3SO3) were prepared using the solution cast technique. FTIR confirms the complexation of chitosan and NH4CF3SO3 with shifting of the amine peak at 1591 cm–1 to 1573 cm–1. The highest conducting sample contains 50 wt% of NH4CF3SO3 and at room temperature has a conductivity of 8.91 × 10–7 S cm–1. The model of Rice and Roth has been used to calculate the number density of mobile ions (n), mobility (μ) and diffusion constant (D). Conductivity was found to be dependent on the number of mobile ions. Analysis of electrical modulus and dissipation factor (tan δ) shows that charge transport occurs through a hopping mechanism. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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Khiar et al. (2006) studied this question.
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