Ceramics International, volume 48, issue 6, pages 8387-8394

Insights into the sinterability and electrical properties of Li1.3Al0.3Ti1.7(PO4)3-(Li2CO3·Bi2O3) composite electrolytes

Publication typeJournal Article
Publication date2022-03-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor5.2
ISSN02728842
Materials Chemistry
Surfaces, Coatings and Films
Ceramics and Composites
Electronic, Optical and Magnetic Materials
Process Chemistry and Technology
Abstract
The NASICON-type Li 1.3 Al 0.3 Ti 1.7 (PO 4 ) 3 (LATP) is considered to be one of the most promising solid electrolytes because of its excellent chemical stability against moisture and considerable total ionic conductivity. Nevertheless, the poor sinterability and low grain boundary ionic conductivity of LATP limit its practical commercial applications. Herein, Li 2 CO 3 ·Bi 2 O 3 (abbreviated as LB), as a sintering aid, was introduced into LATP to improve its sinterability and ionic conductivity. It was demonstrated that the addition of LB promoted the liquid phase sintering of LATP by forming the secondary phases with a low melting point, thereby promoting the growth of grains and making the contact between the grains closer. With the help of LB, the sintering temperature of LATP was reduced to about 900 °C. A series of comparative investigations indicated that the LATP-2LB ceramic pellets sintered at 900 °C exhibited the highest total ionic conductivity of 0.673 mS/cm. Meanwhile, the relative density and grain boundary ionic conductivity of LATP-2LB ceramic pellets sintered at 900 °C reached 95.28% and 3.835 mS/cm, respectively, which is much higher than 77.16% and 0.264 mS/cm of LATP-0LB ceramic pellets sintered at the same temperature. Obviously, LB can effectively improve the sinterability of LATP while increasing its ionic conductivity, providing a new strategy for preparing LATP ceramics with excellent properties.

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Luo Y., Han G., Zhao X. Insights into the sinterability and electrical properties of Li1.3Al0.3Ti1.7(PO4)3-(Li2CO3·Bi2O3) composite electrolytes // Ceramics International. 2022. Vol. 48. No. 6. pp. 8387-8394.
GOST all authors (up to 50) Copy
Luo Y., Han G., Zhao X. Insights into the sinterability and electrical properties of Li1.3Al0.3Ti1.7(PO4)3-(Li2CO3·Bi2O3) composite electrolytes // Ceramics International. 2022. Vol. 48. No. 6. pp. 8387-8394.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.ceramint.2021.12.045
UR - https://doi.org/10.1016/j.ceramint.2021.12.045
TI - Insights into the sinterability and electrical properties of Li1.3Al0.3Ti1.7(PO4)3-(Li2CO3·Bi2O3) composite electrolytes
T2 - Ceramics International
AU - Luo, Yuansong
AU - Han, Gao
AU - Zhao, Xiujian
PY - 2022
DA - 2022/03/01 00:00:00
PB - Elsevier
SP - 8387-8394
IS - 6
VL - 48
SN - 0272-8842
ER -
BibTex |
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BibTex Copy
@article{2022_Luo,
author = {Yuansong Luo and Gao Han and Xiujian Zhao},
title = {Insights into the sinterability and electrical properties of Li1.3Al0.3Ti1.7(PO4)3-(Li2CO3·Bi2O3) composite electrolytes},
journal = {Ceramics International},
year = {2022},
volume = {48},
publisher = {Elsevier},
month = {mar},
url = {https://doi.org/10.1016/j.ceramint.2021.12.045},
number = {6},
pages = {8387--8394},
doi = {10.1016/j.ceramint.2021.12.045}
}
MLA
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MLA Copy
Luo, Yuansong, et al. “Insights into the sinterability and electrical properties of Li1.3Al0.3Ti1.7(PO4)3-(Li2CO3·Bi2O3) composite electrolytes.” Ceramics International, vol. 48, no. 6, Mar. 2022, pp. 8387-8394. https://doi.org/10.1016/j.ceramint.2021.12.045.
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