Repository logo
  • English
  • Català
  • Čeština
  • Deutsch
  • Español
  • Français
  • Gàidhlig
  • Italiano
  • Latviešu
  • Magyar
  • Nederlands
  • Polski
  • Português
  • Português do Brasil
  • Suomi
  • Svenska
  • Türkçe
  • Қазақ
  • বাংলা
  • हिंदी
  • Ελληνικά
  • Yкраї́нська
  • Log In
    or
    New user? Click here to register.Have you forgotten your password?
Repository logo
  • Communities & Collections
  • Research Outputs
  • Fundings & Projects
  • People
  • Statistics
  • English
  • Català
  • Čeština
  • Deutsch
  • Español
  • Français
  • Gàidhlig
  • Italiano
  • Latviešu
  • Magyar
  • Nederlands
  • Polski
  • Português
  • Português do Brasil
  • Suomi
  • Svenska
  • Türkçe
  • Қазақ
  • বাংলা
  • हिंदी
  • Ελληνικά
  • Yкраї́нська
  • Log In
    or
    New user? Click here to register.Have you forgotten your password?
  1. Home
  2. Indian Institute of Technology Madras
  3. Publication9
  4. Composite polymer electrolyte based on (PEO)<inf>6</inf>:NaPO<inf>3</inf> dispersed with BaTiO<inf>3</inf>
 
  • Details
Options

Composite polymer electrolyte based on (PEO)<inf>6</inf>:NaPO<inf>3</inf> dispersed with BaTiO<inf>3</inf>

Date Issued
01-03-2008
Author(s)
Bhide, Amrtha
Hariharan, Krishnaswamy
DOI
10.1002/pi.2379
Abstract
Background: Polymer electrolytes have attracted considerable attention as regards portable solid-state electrochemical device applications. The present investigation is focused on the characterization of a new Na+ ion conducting polymer electrolyte (PEO)6:NaPO3 dispersed with 3-10 wt% BaTiO3 (0.7 μm) fillers. The composite polymer electrolytes (CPEs) were prepared by a solution-casting method and characterized using various physical measurement techniques. Results: Differential scanning calorimetry results indicate a maximum reduction in the degree of crystallinity of the polymer from 62.6% for uncomplexed poly(ethylene oxide) (PEO) to 27.6% for the CPE with 6 wt% BaTiO3. This substantiates an enhancement in the amorphous phase of the polymer inferred from X-ray diffraction and optical micrographs. The CPE dispersed with 6 wt% BaTiO3 is found to be the best composition exhibiting a maximum ionic conductivity of 1.2 × 10-6 S cm-1 at 345 K with cationic transport number (tNa+) of 0.33. Conclusions: An enhancement in the ionic conductivity of about two orders of magnitude is achieved for the composite electrolytes when compared to filler-free solid polymer electrolyte. Correlation of the temperature-dependent conductivity, activation energy for ion migration and transport number enables an understanding of the role played by the fillers in conduction characteristics of the CPEs. © 2007 Society of Chemical Industry.
Volume
57
Subjects
  • BaTiO 3

  • Composite polymer ele...

  • Ionic transport numbe...

  • Thermal properties

Indian Institute of Technology Madras Knowledge Repository developed and maintained by the Library

Built with DSpace-CRIS software - Extension maintained and optimized by 4Science

  • Cookie settings
  • Privacy policy
  • End User Agreement
  • Send Feedback