• G Saibaba

      Articles written in Bulletin of Materials Science

    • Preparation and study of conductivity in lithium salt complexes of mixed MEEP : PEO polymer electrolytes

      G Saibaba D Srikanth A Ramachandra Reddy

      More Details Abstract Fulltext PDF

      Poly(ethylene oxide)–LiX complexes and poly[bis(methoxy ethoxy ethoxide) phosphazene]–LiX complexes of polymer thin films were prepared. Conductivity measurements were carried out and the values were found to lie between 10-8 and 1.7 × 10-5 (S/cm). MEEP : LiX salts showed higher conductivity than PEO–LiX salts despite lower dimensional stability. For enhancing stability and conductivity, MEEP–PEO : (LiX)𝑛 systems were prepared and conductivity measurements carried out. Further the MEEP/PEO : (LiX)𝑛 was doped with Al2O3 and TiO2 nanocomposite ceramic fillers and the conductivity was studied. The conductivity vs temperature plots showed the enhancement of conductivity with TiO2 added nanocomposite ceramic fillers. The enhanced conductivity is explained on the basis of the effect of local structural modification-promoting localized amorphous region-for enhancement of the Li+ ion transport.

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