Synthesis of PVDF-co-HFP-ZrO₂ Based Composite Polymer Electrolyte for Battery Applications

Abstract:

Composite polymer electrolytes based on poly (vinilydene fluoride-co-hexafluoro propylene) as polymer host, zinc triflate as dopant salt and ZrO₂ as nanofiller were prepared by solution casting technique using N,N dimethylformamide (DMF) as solvent. The loading of the ZrO₂ nanofiller carried out for the optimized composition shows an increasing trend of electrical conductivity from 10^-11 to 10^-5 Scm^-1 at 298 K. The effective structural complexation of the polymer electrolyte system and influence of nanofiller were also analyzed by means of Fourier transform infrared spectral analysis. The detailed impacts on the degree of crystallinity were investigated by differential scanning calorimetric analysis. The electrochemical stability of the optimized composition with 7 wt% ZrO₂ loading was found to exist up to 2.6 V.

• Periodical: Advanced Materials Research (Volume 938)
• Pages: 275-279
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.938.275
• Online since: June 2014
• Authors: M. Johnsi*, S. Austin Suthanthiraraj
• Keywords: Battery, Composite Polymer Electrolyte, Conductivity, Crystallinity

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