Journal of Power Sources, volume 196, issue 6, pages 3342-3345

High lithium ionic conductivity in the garnet-type oxide Li7−X La3(Zr2−X, NbX)O12 (X=0–2)

Shingo Ohta 1
Tetsuro KOBAYASHI 1
Takahiko Asaoka 1
1
 
Toyota Central R&D Labs. Inc., Battery & Cells Div., 41-1 Yokomichi, Nagakute, Aichi 480-1192, Japan
Publication typeJournal Article
Publication date2011-03-01
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
Lithium garnet-type oxides Li7−XLa3(Zr2−X, NbX)O12 (X = 0–2) were synthesized by a solid-state reaction, and their lithium ion conductivity was measured using an AC impedance method at temperatures ranging from 25 to 150 °C in air. The lithium ion conductivity increased with increasing Nb content, and reached a maximum of ∼0.8 mS cm−1 at 25 °C. By contrast, the activation energy reached a minimum of ∼30 kJ mol−1 at the same point with X = 0.25. The potential window was examined by cyclic voltammetry (CV), which showed lithium deposition and dissolution peaks around 0 V vs. Li+/Li, but showed no evidence of other reactions up to 9 V vs. Li+/Li.

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Ohta S., KOBAYASHI T., Asaoka T. High lithium ionic conductivity in the garnet-type oxide Li7−X La3(Zr2−X, NbX)O12 (X=0–2) // Journal of Power Sources. 2011. Vol. 196. No. 6. pp. 3342-3345.
GOST all authors (up to 50) Copy
Ohta S., KOBAYASHI T., Asaoka T. High lithium ionic conductivity in the garnet-type oxide Li7−X La3(Zr2−X, NbX)O12 (X=0–2) // Journal of Power Sources. 2011. Vol. 196. No. 6. pp. 3342-3345.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.jpowsour.2010.11.089
UR - https://linkinghub.elsevier.com/retrieve/pii/S037877531002080X
TI - High lithium ionic conductivity in the garnet-type oxide Li7−X La3(Zr2−X, NbX)O12 (X=0–2)
T2 - Journal of Power Sources
AU - Ohta, Shingo
AU - KOBAYASHI, Tetsuro
AU - Asaoka, Takahiko
PY - 2011
DA - 2011/03/01 00:00:00
PB - Elsevier
SP - 3342-3345
IS - 6
VL - 196
SN - 0378-7753
ER -
BibTex |
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BibTex Copy
@article{2011_Ohta,
author = {Shingo Ohta and Tetsuro KOBAYASHI and Takahiko Asaoka},
title = {High lithium ionic conductivity in the garnet-type oxide Li7−X La3(Zr2−X, NbX)O12 (X=0–2)},
journal = {Journal of Power Sources},
year = {2011},
volume = {196},
publisher = {Elsevier},
month = {mar},
url = {https://linkinghub.elsevier.com/retrieve/pii/S037877531002080X},
number = {6},
pages = {3342--3345},
doi = {10.1016/j.jpowsour.2010.11.089}
}
MLA
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MLA Copy
Ohta, Shingo, et al. “High lithium ionic conductivity in the garnet-type oxide Li7−X La3(Zr2−X, NbX)O12 (X=0–2).” Journal of Power Sources, vol. 196, no. 6, Mar. 2011, pp. 3342-3345. https://linkinghub.elsevier.com/retrieve/pii/S037877531002080X.
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