Ceramics International, volume 44, issue 15, pages 18844-18850

Bulk Li mobility enhancement in Spark Plasma Sintered Li(7−3x)AlxLa3Zr2O12 garnet

Adriana Castillo 1
Thibault Charpentier 1
O. Rapaud 2
N. Pradeilles 2
Said Yagoubi 1
Eddy Foy 1
Mélanie Moskura 1
Hicham Khodja 1
1
 
NIMBE, CEA, CNRS, Université Paris-Saclay , CEA Saclay, 91191 Gif-sur-Yvette Cedex, France.
2
 
IRCER - UMR CNRS 7315, 12 rue Atlantis, 87068 Limoges cedex, France
Publication typeJournal Article
Publication date2018-10-01
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
Li (7−3x) Al x La 3 Zr 2 O 12 (LLAZO) Al-doped garnets display high ionic conductivity in the range of ~10-4 S.cm-1 at room temperature and are thus envisioned for future solid-state batteries. In this study, LLAZO powders with two doping levels were synthetized using a solid-state route and sintered using Spark Plasma Sintering (SPS). Both pristine and SPS crushed pellet powders were investigated using X-Ray Diffraction (XRD) confirming the formation of the most conducting cubic phase. Ionic conductivity measurements were performed using electrochemical impedance spectroscopy. Li and Al distributions among available sites were identified using Magic Angle Spinning (MAS) Nuclear Magnetic Resonance (NMR) experiments, and Li mobility was explored using 7 Li static wideline NMR spectroscopy. Results show that SPS treatment, beyond producing highly densified pellets, mainly modifies Al distribution and strongly impacts the bulk Li + mobility.

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Castillo A. et al. Bulk Li mobility enhancement in Spark Plasma Sintered Li(7−3x)AlxLa3Zr2O12 garnet // Ceramics International. 2018. Vol. 44. No. 15. pp. 18844-18850.
GOST all authors (up to 50) Copy
Castillo A., Charpentier T., Rapaud O., Pradeilles N., Yagoubi S., Foy E., Moskura M., Khodja H. Bulk Li mobility enhancement in Spark Plasma Sintered Li(7−3x)AlxLa3Zr2O12 garnet // Ceramics International. 2018. Vol. 44. No. 15. pp. 18844-18850.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.ceramint.2018.07.119
UR - https://doi.org/10.1016/j.ceramint.2018.07.119
TI - Bulk Li mobility enhancement in Spark Plasma Sintered Li(7−3x)AlxLa3Zr2O12 garnet
T2 - Ceramics International
AU - Castillo, Adriana
AU - Charpentier, Thibault
AU - Rapaud, O.
AU - Pradeilles, N.
AU - Yagoubi, Said
AU - Foy, Eddy
AU - Moskura, Mélanie
AU - Khodja, Hicham
PY - 2018
DA - 2018/10/01 00:00:00
PB - Elsevier
SP - 18844-18850
IS - 15
VL - 44
SN - 0272-8842
ER -
BibTex |
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BibTex Copy
@article{2018_Castillo,
author = {Adriana Castillo and Thibault Charpentier and O. Rapaud and N. Pradeilles and Said Yagoubi and Eddy Foy and Mélanie Moskura and Hicham Khodja},
title = {Bulk Li mobility enhancement in Spark Plasma Sintered Li(7−3x)AlxLa3Zr2O12 garnet},
journal = {Ceramics International},
year = {2018},
volume = {44},
publisher = {Elsevier},
month = {oct},
url = {https://doi.org/10.1016/j.ceramint.2018.07.119},
number = {15},
pages = {18844--18850},
doi = {10.1016/j.ceramint.2018.07.119}
}
MLA
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MLA Copy
Castillo, Adriana, et al. “Bulk Li mobility enhancement in Spark Plasma Sintered Li(7−3x)AlxLa3Zr2O12 garnet.” Ceramics International, vol. 44, no. 15, Oct. 2018, pp. 18844-18850. https://doi.org/10.1016/j.ceramint.2018.07.119.
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