What is it about?
We relate the ionic conductivity in terms of the free volume fraction in polymer matrix with Li-salt added. To measure the free volume, we use the positron annihilation lifetime spectroscopy and to compute it, we use Simha Soncynsky hole theory. They are in the well accordance.
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Why is it important?
If we understand ionic conductivity mechanism in polymers, then we construct such a polymer so that we get much appropriate material for the battery application.
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This page is a summary of: Ionic conductivity of PVdF-co-HFP/LiClO4 in terms of free volume defects probed by positron annihilation lifetime spectroscopy, Radiation Effects and Defects in Solids, December 2018, Taylor & Francis,
DOI: 10.1080/10420150.2018.1552959.
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