Ionics, volume 22, issue 8, pages 1281-1289

Investigation on lithium ion conductivity and structural stability of yttrium-substituted Li7La3Zr2O12

C Deviannapoorani 1
Lakshmi S Shankar 1
S. Ramakumar 1
Ramaswamy Murugan 1
Publication typeJournal Article
Publication date2016-02-27
Journal: Ionics
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor2.8
ISSN09477047, 18620760
General Chemical Engineering
General Physics and Astronomy
General Materials Science
General Engineering
Abstract
Advanced Li-air battery architecture demands a high Li+ conductive solid electrolyte membrane that is electrochemically stable against metallic lithium and aqueous electrolyte. In this work, an investigation has been carried out on the microstructure, Li+ conduction behaviour and structural stability of Li7La3-x Y x Zr2O12 (x = 0.125, 0.25 and 0.50) prepared by conventional solid-state reaction technique. The phase analysis of Li7La3-x Y x Zr2O12 (x = 0.125, 0.25 and 0.50) sintered at 1200 °C by powder X-ray diffraction (PXRD) and Raman confirms the formation of high Li+ conductive cubic phase ( $$ Ia\overline{3}d $$ ) lithium garnets. Among the investigated lithium garnets, Li7La2.75Y0.25Zr2O12 sintered at 1200 °C exhibits a maximized room temperature total (bulk + grain boundary) Li+ conductivity of 3.21 × 10−4 S cm−1 along with improved relative density of 96 %. The preliminary investigation on the structural stability of Li7La2.75Y0.25Zr2O12 in the solutions of 1 M LiCl, dist. H2O and 1 M LiOH at 30 °C/50 °C indicates that the Li7La2.75Y0.25Zr2O12 is relatively stable against 1 M LiCl and dist. H2O. Further electrochemical investigation is essential for practical application of Li7La2.75Y0.25Zr2O12 as protective solid electrolyte membrane in aqueous Li-air battery.

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Deviannapoorani C. et al. Investigation on lithium ion conductivity and structural stability of yttrium-substituted Li7La3Zr2O12 // Ionics. 2016. Vol. 22. No. 8. pp. 1281-1289.
GOST all authors (up to 50) Copy
Deviannapoorani C., Shankar L. S., Ramakumar S., Murugan R. Investigation on lithium ion conductivity and structural stability of yttrium-substituted Li7La3Zr2O12 // Ionics. 2016. Vol. 22. No. 8. pp. 1281-1289.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1007/s11581-016-1674-5
UR - https://doi.org/10.1007/s11581-016-1674-5
TI - Investigation on lithium ion conductivity and structural stability of yttrium-substituted Li7La3Zr2O12
T2 - Ionics
AU - Deviannapoorani, C
AU - Shankar, Lakshmi S
AU - Ramakumar, S.
AU - Murugan, Ramaswamy
PY - 2016
DA - 2016/02/27 00:00:00
PB - Springer Nature
SP - 1281-1289
IS - 8
VL - 22
SN - 0947-7047
SN - 1862-0760
ER -
BibTex |
Cite this
BibTex Copy
@article{2016_Deviannapoorani,
author = {C Deviannapoorani and Lakshmi S Shankar and S. Ramakumar and Ramaswamy Murugan},
title = {Investigation on lithium ion conductivity and structural stability of yttrium-substituted Li7La3Zr2O12},
journal = {Ionics},
year = {2016},
volume = {22},
publisher = {Springer Nature},
month = {feb},
url = {https://doi.org/10.1007/s11581-016-1674-5},
number = {8},
pages = {1281--1289},
doi = {10.1007/s11581-016-1674-5}
}
MLA
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Deviannapoorani, C., et al. “Investigation on lithium ion conductivity and structural stability of yttrium-substituted Li7La3Zr2O12.” Ionics, vol. 22, no. 8, Feb. 2016, pp. 1281-1289. https://doi.org/10.1007/s11581-016-1674-5.
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