Li+-NASICON crystallites in PEO-LiCF3SO3 matrix: Characterization of a novel hybrid electrolyte

Li+-NASICON crystallites in PEO-LiCF3SO3 matrix: Characterization of a novel hybrid electrolyte Structural, thermal and electrical transport in PEO-LiCF3SO3 solid polymer electrolyte dispersed with Li+-NASICON crystallites has been assessed. Fine submicron crystallites of LiTi2(PO4)3 (LTP) were added in appropriate amount during solution casting of the polymer films. Thus the compositions 95[PEO1−x-LTPx]-5LiCF3SO3 have been synthesized for a wide range of LTP content (x=0–0.9). Electrical conductivity increases with LTP content monotonically. Highest room temperature conductivity of ~7×10−5Ω−1cm−1 has been obtained for the sample with x=0.9 of LTP which is ~43 times higher than that of the sample with no LTP content. FE-SEM investigations performed on pellets with higher LTP content suggest uniform distribution of LTP particles in the polymer matrix. Preliminary investigations reveal that mechanism of electrical transport in SPE-LTP hybrid composites is greatly influenced by LTP content. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Solid State Ionics Elsevier

Li+-NASICON crystallites in PEO-LiCF3SO3 matrix: Characterization of a novel hybrid electrolyte

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier B.V.
ISSN
0167-2738
eISSN
1872-7689
D.O.I.
10.1016/j.ssi.2017.09.001
Publisher site
See Article on Publisher Site

Abstract

Structural, thermal and electrical transport in PEO-LiCF3SO3 solid polymer electrolyte dispersed with Li+-NASICON crystallites has been assessed. Fine submicron crystallites of LiTi2(PO4)3 (LTP) were added in appropriate amount during solution casting of the polymer films. Thus the compositions 95[PEO1−x-LTPx]-5LiCF3SO3 have been synthesized for a wide range of LTP content (x=0–0.9). Electrical conductivity increases with LTP content monotonically. Highest room temperature conductivity of ~7×10−5Ω−1cm−1 has been obtained for the sample with x=0.9 of LTP which is ~43 times higher than that of the sample with no LTP content. FE-SEM investigations performed on pellets with higher LTP content suggest uniform distribution of LTP particles in the polymer matrix. Preliminary investigations reveal that mechanism of electrical transport in SPE-LTP hybrid composites is greatly influenced by LTP content.

Journal

Solid State IonicsElsevier

Published: Nov 15, 2017

References

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