Journal of Materials Science: Materials in Electronics, volume 31, issue 3, pages 2650-2656
Effect of Nb–Sm co-doping on the ionic conductivity of Li7La3Zr2O12 electrolytes
Publication type: Journal Article
Publication date: 2020-01-08
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor: 2.8
ISSN: 09574522, 1573482X
Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering
Abstract
Li-conducting oxide material Li7La3Zr2O12 is a promising solid electrolyte due to its relatively high conductivity. In this work, Li7−x+yLa3Zr2−x−yNbxSmyO12 (0 ≤ x ≤ 0.4, 0 ≤ y ≤ 0.1) was prepared using a solid-state synthesis method, and the effects of Nb–Sm co-doping on the structure, microstructure, and conductivity of Li7La3Zr2O12 were investigated. Results showed that the co-doping of supervalent cation Nb and low-valent cation Sm was able to facilitate the formation of cubic garnet modification. The optimized composition Li6.7La3Zr1.5Nb0.4Sm0.1O12 showed the highest relative density at 94.3%, and reached the highest total conductivity of 1.06 × 10−3 S/cm at 30 °C, with the lowest activation energy of 0.39 eV. Based on SEM and above results, it can be found that the Nb–Sm co-doping can enhance sinterability and increase density, leading to lower impedance and higher conductivity. Although a small amount of impurity phase LaNbO4 was observed in the XRD patterns, its overall influence on ionic conductivity was negligible.
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Zhang Q. et al. Effect of Nb–Sm co-doping on the ionic conductivity of Li7La3Zr2O12 electrolytes // Journal of Materials Science: Materials in Electronics. 2020. Vol. 31. No. 3. pp. 2650-2656.
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Zhang Q., Luo Y., Chen S., Jiao J., Shen M., Chen H., Guo L. Effect of Nb–Sm co-doping on the ionic conductivity of Li7La3Zr2O12 electrolytes // Journal of Materials Science: Materials in Electronics. 2020. Vol. 31. No. 3. pp. 2650-2656.
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TY - JOUR
DO - 10.1007/s10854-019-02804-w
UR - https://doi.org/10.1007/s10854-019-02804-w
TI - Effect of Nb–Sm co-doping on the ionic conductivity of Li7La3Zr2O12 electrolytes
T2 - Journal of Materials Science: Materials in Electronics
AU - Zhang, Qixi
AU - Luo, Yali
AU - Chen, Sainan
AU - Jiao, Jiahui
AU - Shen, Muyi
AU - Chen, Han
AU - Guo, Lucun
PY - 2020
DA - 2020/01/08 00:00:00
PB - Springer Nature
SP - 2650-2656
IS - 3
VL - 31
SN - 0957-4522
SN - 1573-482X
ER -
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@article{2020_Zhang,
author = {Qixi Zhang and Yali Luo and Sainan Chen and Jiahui Jiao and Muyi Shen and Han Chen and Lucun Guo},
title = {Effect of Nb–Sm co-doping on the ionic conductivity of Li7La3Zr2O12 electrolytes},
journal = {Journal of Materials Science: Materials in Electronics},
year = {2020},
volume = {31},
publisher = {Springer Nature},
month = {jan},
url = {https://doi.org/10.1007/s10854-019-02804-w},
number = {3},
pages = {2650--2656},
doi = {10.1007/s10854-019-02804-w}
}
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Zhang, Qixi, et al. “Effect of Nb–Sm co-doping on the ionic conductivity of Li7La3Zr2O12 electrolytes.” Journal of Materials Science: Materials in Electronics, vol. 31, no. 3, Jan. 2020, pp. 2650-2656. https://doi.org/10.1007/s10854-019-02804-w.