Electrochemical characterizations and the effect of glycerol in biopolymer electrolytes based on methylcellulose-potato starch blend

Yusof, Y.M. and Kadir, M.F.Z. (2016) Electrochemical characterizations and the effect of glycerol in biopolymer electrolytes based on methylcellulose-potato starch blend. Molecular Crystals and Liquid Crystals, 627 (1). pp. 220-233. ISSN 1542-1406, DOI https://doi.org/10.1080/15421406.2015.1137115.

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Official URL: http://dx.doi.org/10.1080/15421406.2015.1137115

Abstract

Polymer electrolytes have been prepared by blending methylcellulose (MC)-potato starch, doped with lithium perchlorate (LiClO4) and plasticized with glycerol. The blend of 60 wt% MC-40 wt% starch was found to be the most suitable ratio to serve as polymer host. Fourier transform infrared (FTIR) spectroscopy analysis proved the interaction among the components. X-ray diffraction (XRD) analysis indicated that the conductivity enhancement is due to the increase in amorphous content. The highest ionic conductivity obtained at room temperature was (4.25 ± 0.82) × 10−4 S cm−1 for MC-starch-LiClO4-20 wt% glycerol. The highest conducting samples in both systems were found to obey Arrhenius rule. Dielectric study further strengthens the conductivity result.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: Polymer electrolyte; Conductivity; Methylcellulose-starch blend; Lithium perchlorate; XRD
Subjects: Q Science > Q Science (General)
Divisions: Centre for Foundation Studies in Science
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 28 May 2018 02:38
Last Modified: 28 May 2018 02:38
URI: http://eprints.um.edu.my/id/eprint/18737

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