Chemistry of Materials, volume 27, issue 8, pages 2821-2831

Effects of Gallium Doping in Garnet-Type Li7La3Zr2O12 Solid Electrolytes

Publication typeJournal Article
Publication date2015-04-17
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor8.6
ISSN08974756, 15205002
Materials Chemistry
General Chemistry
General Chemical Engineering
Abstract
Garnet-type Li7La3Zr2O12 (LLZrO) is a candidate solid electrolyte material that is now being intensively optimized for application in commercially competitive solid state Li+ ion batteries. In this study we investigate, by force-field-based simulations, the effects of Ga3+ doping in LLZrO. We confirm the stabilizing effect of Ga3+ on the cubic phase. We also determine that Ga3+ addition does not lead to any appreciable structural distortion. Li site connectivity is not significantly deteriorated by the Ga3+ addition (>90% connectivity retained up to x = 0.30 in Li7–3xGaxLa3Zr2O12). Interestingly, two compositional regions are predicted for bulk Li+ ion conductivity in the cubic phase: (i) a decreasing trend for 0 ≤ x ≤ 0.10 and (ii) a relatively flat trend for 0.10 < x ≤ 0.30. This conductivity behavior is explained by combining analyses using percolation theory, van Hove space time correlation, the radial distribution function, and trajectory density.

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Jalem R. et al. Effects of Gallium Doping in Garnet-Type Li7La3Zr2O12 Solid Electrolytes // Chemistry of Materials. 2015. Vol. 27. No. 8. pp. 2821-2831.
GOST all authors (up to 50) Copy
Jalem R., Rushton M. J. D., Manalastas W. W., Nakayama M., Kasuga T., Kilner J., Grimes R. W. Effects of Gallium Doping in Garnet-Type Li7La3Zr2O12 Solid Electrolytes // Chemistry of Materials. 2015. Vol. 27. No. 8. pp. 2821-2831.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/cm5045122
UR - https://doi.org/10.1021/cm5045122
TI - Effects of Gallium Doping in Garnet-Type Li7La3Zr2O12 Solid Electrolytes
T2 - Chemistry of Materials
AU - Grimes, Robin W
AU - Jalem, Randy
AU - Rushton, M J D
AU - Manalastas, William Wang
AU - Nakayama, Masanobu
AU - Kasuga, Toshihiro
AU - Kilner, John
PY - 2015
DA - 2015/04/17 00:00:00
PB - American Chemical Society (ACS)
SP - 2821-2831
IS - 8
VL - 27
SN - 0897-4756
SN - 1520-5002
ER -
BibTex |
Cite this
BibTex Copy
@article{2015_Jalem,
author = {Robin W Grimes and Randy Jalem and M J D Rushton and William Wang Manalastas and Masanobu Nakayama and Toshihiro Kasuga and John Kilner},
title = {Effects of Gallium Doping in Garnet-Type Li7La3Zr2O12 Solid Electrolytes},
journal = {Chemistry of Materials},
year = {2015},
volume = {27},
publisher = {American Chemical Society (ACS)},
month = {apr},
url = {https://doi.org/10.1021/cm5045122},
number = {8},
pages = {2821--2831},
doi = {10.1021/cm5045122}
}
MLA
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MLA Copy
Jalem, Randy, et al. “Effects of Gallium Doping in Garnet-Type Li7La3Zr2O12 Solid Electrolytes.” Chemistry of Materials, vol. 27, no. 8, Apr. 2015, pp. 2821-2831. https://doi.org/10.1021/cm5045122.
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