Ionic Conductivity of PVC-NH₄I-EC Proton Conducting Polymer Electrolytes

Abstract:

Poly(vinyl) chloride (PVC)-NH₄I-EC films have been prepared by solution cast technique. The sample containing 30 wt. % NH₄I exhibited highest room temperature conductivity of 4.60 × 10^-7 S cm^-1. The conductivity increased to 1.08 × 10^-6 Scm^-1 when 15 wt. % of ethylene carbonate (EC) was added to 70 wt. % PVC - 30 wt. % NH₄I. Fourier Transform Infrared (FTIR) showed evidence of polymer–salt complexation while DSC showed increase in glass transition temperature (T_g ) of PVC -NH₄I - EC polymer electrolytes. The conductivity behavior of the studied system could be accounted by the changes in T_g values.

• Periodical: Advanced Materials Research (Volume 545)
• Pages: 312-316
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.545.312
• Online since: July 2012
• Authors: Siti Khatijah Deraman, Ri Hanum Yahaya Subban, Mohamed Nor Sabirin
• Keywords: DSC, FT-IR, Proton

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