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Current Trends in Polymer Science   Volumes    Volume 13 
Preparation and characterization of a solid polymeric electrolyte of PEO-ENR(70-30)-LiClO4
A. Ahmad, Mohd Basyaruddin Abdul Rahman, S. A. M. Noor
Pages: 17 - 23
Number of pages: 7
Current Trends in Polymer Science
Volume 13 

Copyright © 2009 Research Trends. All rights reserved

The preparation of PEO-ENR(70-30) solid polymer electrolyte was carried out to study the effect of the LiClO4 salt concentration on its ionic conductivity. The samples were tested using impedance spectroscopy, X-ray diffractometry (XRD), differential scanning calorimetry (DSC) and scanning electron microscopy (SEM). The samples were prepared with different percentage of LiClO4 salt using solvent-casting technique. The highest conductivity of 1.4 x 10-3 Scm-1 was obtained at 15 wt. % of LiClO4. The amorphous phase for the PEO-ENR-LiClO4 was found to increase with the salt content. This is due to the change in the electrolyte structure. The morphology of the samples shows the irregularities, which appears as amorphous region, increases as the increase of salt concentration. In conclusion, the addition of LiClO4 carrier salt will improve the ionic conductivity of PEO-ENR solid polymeric electrolyte. Buy this Article


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