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Delithiation/lithiation behaviors of three polymorphs of LiVOPO4

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Abstract

LiVOPO4 is an attractive high-voltage cathode with rich polymorphs (α, β and αI). We present here a comparison of the behaviors of three LiVOPO4 polymorphs during delithiation/lithiation. Experimental and computational work suggests that α-LiVOPO4 suffers from more severe conductivity problems among the three forms. For the first time, our preliminary studies on lithiated β-Li2VOPO4 demonstrate that the orthorhombic structure of β-LiVOPO4 could be retained after lithiation, which is consistent with the finding for the other two forms.

Graphical abstract: Delithiation/lithiation behaviors of three polymorphs of LiVOPO4

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Publication details

The article was received on 13 Sep 2018, accepted on 02 Nov 2018 and first published on 02 Nov 2018


Article type: Communication
DOI: 10.1039/C8CC07446A
Citation: Chem. Commun., 2018, Advance Article
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    Delithiation/lithiation behaviors of three polymorphs of LiVOPO4

    G. He, W. H. Kan and A. Manthiram, Chem. Commun., 2018, Advance Article , DOI: 10.1039/C8CC07446A

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