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International Journal of Electrochemistry
Volume 2013, Article ID 670914, 8 pages
Research Article

Ion Dynamics Study of Potato Starch + Sodium Salts Electrolyte System

1Department of Physics (MMV), Banaras Hindu University, Varanasi 221005, India
2Department of Physics, Banaras Hindu University, Varanasi 221005, India

Received 30 May 2013; Accepted 22 October 2013

Academic Editor: Sheng S. Zhang

Copyright © 2013 Tuhina Tiwari et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The effect of different anions, namely, , , and , on the electrical properties of starch-based polymer electrolytes has been studied. Anion size and conductivity are having an inverse trend indicating systems to be predominantly anionic conductor. Impact of anion size and multiplet forming tendency is reflected in number of charge carriers and mobility, respectively. Ion dynamics study reveals the presence of different mechanisms in different frequency ranges. Interestingly, superlinear power law (SLPL) is found to be present at <5 MHz frequency, which is further confirmed by dielectric data.