Electrical properties of a solid polymeric electrolyte of PVC-ZnO-LiClO4

Research output: Contribution to journalArticle

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Abstract

The ZnO filler has been introduced into a solid polymeric electrolyte of polyvinyl chloride (PVC)-ZnO-LiClO4, replacing costly organic filler for conductivity improvement. Ionic conductivity of PVC-ZnO-LiClO4 as a function of ZnO concentration and temperature has been studied. The electrolyte samples were prepared by solution casting technique. The ionic conductivity was measured using impedance spectroscopy technique. It was observed that the conductivity of the electrolyte varies with ZnO concentration and temperature. The temperature dependence on the conductivity of electrolyte was modelled by Arrhenius and Vogel-Tammann-Fulcher equations, respectively. The temperature dependence on the conductivity does not fit in both models. The highest room temperature conductivity of the electrolyte of 3. 7∈×∈10-7 Scm-1 was obtained at 20% by weight of ZnO and that without ZnO filler was found to be 8. 8∈×∈10-10 Scm-1. The conductivity has been improved by 420 times when the ZnO filler was introduced into the PVC-LiClO4 electrolyte system. It was also found that the glass transition temperature of the electrolyte PVC-ZnO-LiClO4 is about the same as PVC-LiClO4. The increase in conductivity of the electrolyte with the ZnO filler was explained in terms of its surface morphology.

Original languageEnglish
Pages (from-to)221-225
Number of pages5
JournalIonics
Volume15
Issue number2
DOIs
Publication statusPublished - Apr 2009

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polyvinyl chloride
Polyvinyl Chloride
Polyvinyl chlorides
Electrolytes
Electric properties
electrical properties
electrolytes
fillers
conductivity
Fillers
Ionic conductivity
ion currents
Temperature
temperature dependence
lithium perchlorate
glass transition temperature
Surface morphology
Casting
Spectroscopy
impedance

Keywords

  • Differential scanning calorimetry (DSC)
  • Ionic conductivity
  • Polymers
  • Scanning electron microscopy (SEM)

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Engineering(all)
  • Materials Science(all)
  • Physics and Astronomy(all)

Cite this

Electrical properties of a solid polymeric electrolyte of PVC-ZnO-LiClO4 . / Abd Rahman, Mohd Yusri; Ahmad, Azizan; Wahab, S. A.

In: Ionics, Vol. 15, No. 2, 04.2009, p. 221-225.

Research output: Contribution to journalArticle

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