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Ionics

, Volume 17, Issue 5, pp 407–414 | Cite as

Electrochemical and mechanical properties of nanochitin-incorporated PVDF-HFP-based polymer electrolytes for lithium batteries

  • N. Angulakshmi
  • Sabu Thomas
  • K. S. Nahm
  • A. Manuel Stephan
  • R. Nimma Elizabeth
Original Paper

Abstract

Nanocomposite polymer electrolytes (NCPE) composed of poly(vinylidenefluoride-co-hexafluoropropylene) (PVDF-HFP) and chitin for different concentrations of LiClO4 have been prepared by a hot-press technique. The prepared NCPE films were subjected to XRD, SEM, FTIR and tensile analyses. The thermal stability of NCPE membrane was investigated by TG-DTA. Ionic conductivity studies have also been made as a function of lithium salt concentration for different temperatures ranging from 0 to 80 °C. The polymeric membrane comprising PVDF-HFP/chitin/LiClO4 of ratio 75:20:5 (wt.%) offered maximum ionic conductivity. Thermal study reveals that these membranes are stable up to 260 °C.

Keywords

Batteries Electrochemical characterizations Polymer electrolyte Nanocomposite electrolytes XRD Mechanical properties Thermal stability Ionic conductivity 

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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  • N. Angulakshmi
    • 1
  • Sabu Thomas
    • 2
  • K. S. Nahm
    • 3
  • A. Manuel Stephan
    • 4
  • R. Nimma Elizabeth
    • 1
  1. 1.Department of PhysicsLady Doak CollegeMaduraiIndia
  2. 2.School of ChemistryMahatma Gandhi UniversityKottayamIndia
  3. 3.School of Chemical Engineering and TechnologyChonbuk National UniversityChonjuSouth Korea
  4. 4.Central Electrochemical Research InstituteKaraikudiIndia

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