Journal of Power Sources, volume 240, pages 18-25

Lithium ion transport properties of high conductive tellurium substituted Li7La3Zr2O12 cubic lithium garnets

Publication typeJournal Article
Publication date2013-10-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor9.2
ISSN03787753
Physical and Theoretical Chemistry
Electrical and Electronic Engineering
Energy Engineering and Power Technology
Renewable Energy, Sustainability and the Environment
Abstract
In this paper synthesis, structure and Li + transport process of Li 7−2 x La 3 Zr 2− x Te x O 12 ( x  = 0.125 and 0.25) lithium garnets are reported. Preparation of high Li + conductive Li 7 La 3 Zr 2 O 12 (LLZ) in cubic phase by conventional solid state method demands sintering it around 1200 °C for 36 h in Al 2 O 3 crucible. Cubic phase lithium garnet is successfully obtained at lower sintering temperature around 750 °C with the substitution of Zr 4+ by Te 6+ in the garnet lattice over the investigated composition range. Among the investigated compounds Li 6.5 La 3 Zr 1.75 Te 0.25 O 12 sintered at 1100 °C exhibits a maximum room temperature total (bulk + grain boundary) ionic conductivity of 1.02 × 10 −3  S cm −1 . The present studies reveal the stabilization of the cubic garnet phase relatively at lower sintering temperature along with an enhancement in Li + conductivity with lithium content lesser than 7 by suitable doping in Li 7 La 3 Zr 2 O 12 .

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Deviannapoorani C. et al. Lithium ion transport properties of high conductive tellurium substituted Li7La3Zr2O12 cubic lithium garnets // Journal of Power Sources. 2013. Vol. 240. pp. 18-25.
GOST all authors (up to 50) Copy
Deviannapoorani C., Dhivya L., Ramakumar S., Murugan R. Lithium ion transport properties of high conductive tellurium substituted Li7La3Zr2O12 cubic lithium garnets // Journal of Power Sources. 2013. Vol. 240. pp. 18-25.
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RIS Copy
TY - JOUR
DO - 10.1016/j.jpowsour.2013.03.166
UR - https://linkinghub.elsevier.com/retrieve/pii/S0378775313005600
TI - Lithium ion transport properties of high conductive tellurium substituted Li7La3Zr2O12 cubic lithium garnets
T2 - Journal of Power Sources
AU - Deviannapoorani, C
AU - Dhivya, L
AU - Ramakumar, S.
AU - Murugan, Ramaswamy
PY - 2013
DA - 2013/10/01 00:00:00
PB - Elsevier
SP - 18-25
VL - 240
SN - 0378-7753
ER -
BibTex
Cite this
BibTex Copy
@article{2013_Deviannapoorani,
author = {C Deviannapoorani and L Dhivya and S. Ramakumar and Ramaswamy Murugan},
title = {Lithium ion transport properties of high conductive tellurium substituted Li7La3Zr2O12 cubic lithium garnets},
journal = {Journal of Power Sources},
year = {2013},
volume = {240},
publisher = {Elsevier},
month = {oct},
url = {https://linkinghub.elsevier.com/retrieve/pii/S0378775313005600},
pages = {18--25},
doi = {10.1016/j.jpowsour.2013.03.166}
}
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