• Harinder Pal Singh

      Articles written in Bulletin of Materials Science

    • Correlation between ionic conductivity and fluidity of polymer gel electrolytes containing NH4CF3SO3

      Harinder Pal Singh Rajiv Kumar S S Sekhon

      More Details Abstract Fulltext PDF

      Nonaqueous polymer gel electrolytes containing ammonium triflate (NH4CF3SO3) and dimethylacetamide (DMA) with polymethylmethacrylate (PMMA) as the gelling polymer have been synthesized which show high value of conductivity (∼ 10-2 S/cm) at 25°C. The conductivity of polymer gel electrolytes containing different concentrations of NH4CF3SO3 shows a small decrease with the addition of PMMA and this has been correlated with the variation of fluidity of these gel electrolytes. The small decrease in conductivity with PMMA addition shows that polymer plays the role of stiffener and this is supported by FTIR results which also indicates the absence of any active interaction between polymer and NH4CF3SO3 in these gel electrolytes.

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