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Updated: Feb 2, 2026

In Situ Lithiated Reference Electrode: Four Electrode Design for In-operando Impedance Spectroscopy
Published on: September 12, 2018
Delithiation/lithiation behaviors of three polymorphs of LiVOPO4
Guang He1, Wang Hay Kan, Arumugam Manthiram
1Materials Science and Engineering Program & Texas Materials Institute, The University of Texas at Austin, Austin, TX 78712, USA. manth@austin.utexas.edu.
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.
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