Ceramics International, volume 45, issue 15, pages 18439-18444
Effect of sintering process on the microstructure and ionic conductivity of Li7–La3Zr2–Ta O12 ceramics
Publication type: Journal Article
Publication date: 2019-10-01
Journal:
Ceramics International
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 5.2
ISSN: 02728842
Materials Chemistry
Surfaces, Coatings and Films
Ceramics and Composites
Electronic, Optical and Magnetic Materials
Process Chemistry and Technology
Abstract
Li 7– x La 3 Zr 2– x Ta x O 12 (0 ≤ x ≤ 1) ceramics were prepared by pressureless sintering at 1230 °C in air. XRD, SEM and Impedance test were used to characterize the crystal structure, microstructure and electrical performance of Li 7– x La 3 Zr 2– x Ta x O 12 ceramics. According to XRD data, the specimens with x ≥ 0.2 sintered at 1230 °C for 1 h exhibit a cubic garnet structure without impurities. The Ta-doped specimens sintered at 1230°C for 1 h show high relative density of 91.6%–93.9%. Ta doping has a certain effect on the Li vacancy concentration, lithium arrangement, movable Li + concentration and microstructure of the LLZO ceramic. The Li 6.6 La 3 Zr 1.6 Ta 0.4 O 12 ceramic sintered at 1230°C for 1 h has the highest total conductivity of 6.01 × 10 –4 S·cm –1 at room temperature and the lowest activation energy of 0.27 eV.
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Citations by publishers
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1 publication, 4.55%
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Wiley
1 publication, 4.55%
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Gong Yu. et al. Effect of sintering process on the microstructure and ionic conductivity of Li7–La3Zr2–Ta O12 ceramics // Ceramics International. 2019. Vol. 45. No. 15. pp. 18439-18444.
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Gong Yu., Liu Z., Jin Yu. J., Ouyang J., Chen L., Wang Y. Effect of sintering process on the microstructure and ionic conductivity of Li7–La3Zr2–Ta O12 ceramics // Ceramics International. 2019. Vol. 45. No. 15. pp. 18439-18444.
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TY - JOUR
DO - 10.1016/j.ceramint.2019.06.061
UR - https://doi.org/10.1016/j.ceramint.2019.06.061
TI - Effect of sintering process on the microstructure and ionic conductivity of Li7–La3Zr2–Ta O12 ceramics
T2 - Ceramics International
AU - Gong, Yu
AU - Liu, Zhan-Guo
AU - Jin, Yu Jun
AU - Ouyang, Jiahu
AU - Chen, Lei
AU - Wang, Yujin
PY - 2019
DA - 2019/10/01 00:00:00
PB - Elsevier
SP - 18439-18444
IS - 15
VL - 45
SN - 0272-8842
ER -
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@article{2019_Gong,
author = {Yu Gong and Zhan-Guo Liu and Yu Jun Jin and Jiahu Ouyang and Lei Chen and Yujin Wang},
title = {Effect of sintering process on the microstructure and ionic conductivity of Li7–La3Zr2–Ta O12 ceramics},
journal = {Ceramics International},
year = {2019},
volume = {45},
publisher = {Elsevier},
month = {oct},
url = {https://doi.org/10.1016/j.ceramint.2019.06.061},
number = {15},
pages = {18439--18444},
doi = {10.1016/j.ceramint.2019.06.061}
}
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MLA
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Gong, Yu., et al. “Effect of sintering process on the microstructure and ionic conductivity of Li7–La3Zr2–Ta O12 ceramics.” Ceramics International, vol. 45, no. 15, Oct. 2019, pp. 18439-18444. https://doi.org/10.1016/j.ceramint.2019.06.061.