Ceramics International, volume 42, issue 4, pages 5546-5552

Effect of composition on lithium-ion conductivity for perovskite-type lithium–strontium–tantalum–zirconium-oxide solid electrolytes

Publication typeJournal Article
Publication date2016-03-01
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
We synthesized Li2x−ySr1−xTayZr1−yO3 (LSTZ, x=0.75y) with various Ta contents y=0.60, 0.70, 0.75, 0.77 and 0.8 via a conventional solid state reaction method and investigated their crystal phase, microstructure and lithium-ion conductivity. Almost single phase perovskite-type structured LSTZ was obtained at y=0.60–0.75 and their lattice sizes were increased with increasing y, indicating that Sr2+ and Zr4+ are successfully substituted by Li+ and Ta5+ with smaller ionic radii in these three samples. On the other hand, LSTZ with higher Ta contents y=0.77 and 0.8 included some impurity phases such as LiTaO3, SrTa2O6 and Sr2Ta2O7. A solid solution range for Ta into Zr site for LSTZ is expected to be y≤0.75. Both the bulk and total (bulk+grain-boundary) ionic conductivity of LSTZ monotonically increased with y from 0.60 to 0.75. Maximum bulk and total (bulk+grain-boundary) conductivities of 2.8×10−4 S cm−1 and 2.0×10−4 S cm−1 at 27 °C were obtained in LSTZ with y=0.75.

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KIMURA K. et al. Effect of composition on lithium-ion conductivity for perovskite-type lithium–strontium–tantalum–zirconium-oxide solid electrolytes // Ceramics International. 2016. Vol. 42. No. 4. pp. 5546-5552.
GOST all authors (up to 50) Copy
KIMURA K., Wagatsuma K., Tojo T., Inada R., Sakurai Y. Effect of composition on lithium-ion conductivity for perovskite-type lithium–strontium–tantalum–zirconium-oxide solid electrolytes // Ceramics International. 2016. Vol. 42. No. 4. pp. 5546-5552.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.ceramint.2015.12.133
UR - https://doi.org/10.1016/j.ceramint.2015.12.133
TI - Effect of composition on lithium-ion conductivity for perovskite-type lithium–strontium–tantalum–zirconium-oxide solid electrolytes
T2 - Ceramics International
AU - KIMURA, KEISUKE
AU - Wagatsuma, Kota
AU - Tojo, Tomohiro
AU - Inada, Ryoji
AU - Sakurai, Yoji
PY - 2016
DA - 2016/03/01 00:00:00
PB - Elsevier
SP - 5546-5552
IS - 4
VL - 42
SN - 0272-8842
ER -
BibTex |
Cite this
BibTex Copy
@article{2016_KIMURA,
author = {KEISUKE KIMURA and Kota Wagatsuma and Tomohiro Tojo and Ryoji Inada and Yoji Sakurai},
title = {Effect of composition on lithium-ion conductivity for perovskite-type lithium–strontium–tantalum–zirconium-oxide solid electrolytes},
journal = {Ceramics International},
year = {2016},
volume = {42},
publisher = {Elsevier},
month = {mar},
url = {https://doi.org/10.1016/j.ceramint.2015.12.133},
number = {4},
pages = {5546--5552},
doi = {10.1016/j.ceramint.2015.12.133}
}
MLA
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MLA Copy
KIMURA, KEISUKE, et al. “Effect of composition on lithium-ion conductivity for perovskite-type lithium–strontium–tantalum–zirconium-oxide solid electrolytes.” Ceramics International, vol. 42, no. 4, Mar. 2016, pp. 5546-5552. https://doi.org/10.1016/j.ceramint.2015.12.133.
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