Journal of the American Ceramic Society, volume 86, issue 3, pages 437-440

Novel Fast Lithium Ion Conduction in Garnet‐Type Li5La3M2O12 (M = Nb, Ta)

Publication typeJournal Article
Publication date2003-03-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor3.9
ISSN00027820, 15512916
Materials Chemistry
Ceramics and Composites
Abstract
Lithium metal oxides with the nominal composition Li5La3M2O12 (M = Nb, Ta), possessing a garnetlike structure, have been investigated with regard to their electrical properties. These compounds form a new class of solid-state lithium ion conductors with a different crystal structure compared with all those known so far. The materials are prepared by solid-state reaction and characterized by powder XRD and ac impedance to determine their lithium ionic conductivity. Both the niobium and tantalum members exhibit the same order of magnitude of bulk conductivity (∼10−6 S/cm at 25°C). The activation energies for ionic conductivity (<300°C) are 0.43 and 0.56 eV for Li5La3Nb2O12 and Li5La3Ta2O12, respectively, which are comparable to those of other solid lithium conductors, such as Lisicon, Li14ZnGe4O16. Among the investigated materials, the tantalum compound Li5La3Ta2O12 is stable against reaction with molten lithium. Further tailoring of the compositions by appropriate chemical substitutions and improved synthesizing methods, especially with regard to minimizing grain-boundary resistance, are important issues in view of the potential use of the new class of compounds as electrolytes in practical lithium ion batteries.

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Thangadurai V., Kaack H., Weppner W. J. Novel Fast Lithium Ion Conduction in Garnet‐Type Li5La3M2O12 (M = Nb, Ta) // Journal of the American Ceramic Society. 2003. Vol. 86. No. 3. pp. 437-440.
GOST all authors (up to 50) Copy
Thangadurai V., Kaack H., Weppner W. J. Novel Fast Lithium Ion Conduction in Garnet‐Type Li5La3M2O12 (M = Nb, Ta) // Journal of the American Ceramic Society. 2003. Vol. 86. No. 3. pp. 437-440.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1111/j.1151-2916.2003.tb03318.x
UR - https://doi.org/10.1111/j.1151-2916.2003.tb03318.x
TI - Novel Fast Lithium Ion Conduction in Garnet‐Type Li5La3M2O12 (M = Nb, Ta)
T2 - Journal of the American Ceramic Society
AU - Thangadurai, Venkataraman
AU - Kaack, Heiko
AU - Weppner, Werner J.F.
PY - 2003
DA - 2003/03/01 00:00:00
PB - Wiley
SP - 437-440
IS - 3
VL - 86
SN - 0002-7820
SN - 1551-2916
ER -
BibTex |
Cite this
BibTex Copy
@article{2003_Thangadurai,
author = {Venkataraman Thangadurai and Heiko Kaack and Werner J.F. Weppner},
title = {Novel Fast Lithium Ion Conduction in Garnet‐Type Li5La3M2O12 (M = Nb, Ta)},
journal = {Journal of the American Ceramic Society},
year = {2003},
volume = {86},
publisher = {Wiley},
month = {mar},
url = {https://doi.org/10.1111/j.1151-2916.2003.tb03318.x},
number = {3},
pages = {437--440},
doi = {10.1111/j.1151-2916.2003.tb03318.x}
}
MLA
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MLA Copy
Thangadurai, Venkataraman, et al. “Novel Fast Lithium Ion Conduction in Garnet‐Type Li5La3M2O12 (M = Nb, Ta).” Journal of the American Ceramic Society, vol. 86, no. 3, Mar. 2003, pp. 437-440. https://doi.org/10.1111/j.1151-2916.2003.tb03318.x.
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