PVDF-HFP/PVC Blend Based Lithium Ion Conducting Polymer Electrolytes

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Abstract:

Flexible free standing polymer electrolyte films have been successfully prepared using a blend of poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) and poly(vinyl chloride) (PVC) doped with lithium perchlorate (LiClO4). The conductivity of the film was influenced by salt concentration and the degree of crystallinity. An optimum room temperature conductivity obtained was 2.10 x 10-4 S cm-1 for PVDF-HFP/PVC containing 35 wt.% LiClO4. The temperature-dependent conductivity of the polymer films exhibited VTF-type behaviour.

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Periodical:

Advanced Materials Research (Volumes 287-290)

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100-103

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July 2011

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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