Comparison Studies of Blend and Unblend GPE Systems: Ionic Conductivity, Structural and Morphological Properties

Abstract:

Studies on comparison of blend and unblend PMMA-based gel polymer electrolytes containing LiClO₄ salt with EC and PC as plasticizing solvent is reported. The GPE samples are prepared by varying the salt concentrations from 5 wt.% to 30 wt.%. At room temperature, PVdF-HFP/PMMA blend GPE exhibits the highest conductivity of 4.71 x 10^-3 S cm^-1 containing 25 wt.% of LiClO₄ salt while the highest conductivity for unblend GPE is 3.34 x10^-3 S cm^-1 containing 20 wt.% of LiClO₄ salt. The amorphous nature and morphological properties between LiClO₄ salt, EC and PC in the blend and unblend GPE systems have been validated using XRD and FESEM analysis.

• Periodical: Advanced Materials Research (Volume 626)
• Pages: 205-210
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.626.205
• Online since: December 2012
• Authors: Siti Mariam Samin, Mazwan Mansor, Khairul Bahiyah Md. Isa, Zurina Osman
• Keywords: Blend Polymer, Conductivity, FESEM, Gel Polymer Electrolytes, X-Ray Diffraction (XRD)

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