Lithium ion conductivity of solid solutions based on Li8ZrO6

Lithium ion conductivity of lithium hexaoxozirconate Li 8 ZrO 6 doped by Mg 2+ , Sr 2+ , Nb 5+ , V 5+ , and Ce 4+ cations was studied using impedance spectroscopy. The NMR data indicate that in the low-temperature region, lithium ion migration takes place by exchange of Li + among tetra- and octahed...

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Bibliographic Details
Published in:Journal of solid state electrochemistry 2018-09, Vol.22 (9), p.2959-2964
Main Authors: Shchelkanova, Mariya S., Shekhtman, Georgi Sh, Kalashnova, Anastasia V., Reznitskikh, Olga G.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Atmospheric moisture
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Condensed Matter Physics
Conductivity
Electrochemistry
Energy Storage
Ions
Lithium
Lithium ions
NMR
Nuclear magnetic resonance
Original Paper
Physical Chemistry
Solid solutions
Spectrum analysis
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Summary:Lithium ion conductivity of lithium hexaoxozirconate Li 8 ZrO 6 doped by Mg 2+ , Sr 2+ , Nb 5+ , V 5+ , and Ce 4+ cations was studied using impedance spectroscopy. The NMR data indicate that in the low-temperature region, lithium ion migration takes place by exchange of Li + among tetra- and octahedral positions. Data of Raman spectroscopy suggest that the potential reason for the sharp increase of Li 8 ZrO 6 and its solid solutions’ conductivity near 700 K may be melting of LiOH which occurs as a result of interaction between samples and atmospheric moisture.
ISSN:1432-8488
1433-0768
DOI:10.1007/s10008-018-3993-0