Preparation and charaterization of PVC-AI2O3-LiCIO4 solid polymeric electrolyte

Azizan Ahmad, and Mohd Yusri Abdul Rahman, and Mohd Reduan Abu Bakar, (2009) Preparation and charaterization of PVC-AI2O3-LiCIO4 solid polymeric electrolyte. Sains Malaysiana, 38 (4). pp. 483-487. ISSN 0126-6039


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Ionic conductivity of composite polymer electrolyte PVC-Al2O3-LiClO4 as a function of Al2O3 concentration has been studied. The electrolyte samples were prepared by solution casting technique. Their ionic conductivity was measured using impedance spectroscopy technique. It was observed that the conductivity of the electrolyte varies with Al2O3 concentration. The highest room temperature conductivity of the electrolyte of 3.43 × 10-10 was obtain at 25% by weight of Al2O3 and that without Al2O3 filler was found to be 2.43 × 10-11 The glass transition temperature decreases with the increase of Al2O3 percentage due to the increasing amorphous state, meanwhile the degradation temperature increases with the increase of Al2O3 percentage. Both of these thermal properties influence the enhancement of the conductivity value. The morphology of the samples shows the even distribution of the Al2O3 filler in the samples. However, the filler starts to agglomerate in the sample when high percentage of Al2O3 is being used. In conclusion, the addition of Al2O3 filler improves the ionic conductivity of PVC-Al2O3-LiCIO4 solid polymer electrolyte.

Item Type:Article
Keywords:kekonduksian ionik; morforlogi permukaan; PVC; pengisi tak Organik; inorganic filler; ionic conductivity; surface morphology
Journal:Sains Malaysiana
ID Code:50
Deposited By: Mr Fazli Nafiah -
Deposited On:11 Oct 2010 13:12
Last Modified:14 Dec 2016 06:26

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