Journal of Materials Chemistry A, volume 6, issue 2, pages 645-651

Effect of Si substitution on the structural and transport properties of superionic Li-argyrodites

Publication typeJournal Article
Publication date2018-01-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor11.9
ISSN20507488, 20507496, 09599428, 13645501
General Chemistry
General Materials Science
Renewable Energy, Sustainability and the Environment
Abstract
Inspired by the recent interest in lithium ion conducting argyrodites as solid electrolytes for solid-state batteries, we have investigated the influence of aliovalent substitution in Li6PS5Br. Using Rietveld refinements against X-ray and neutron diffraction, coupled with impedance spectroscopy, we monitor the influence of Si4+ substitution for P5+ in Li6+xP1−xSixS5Br on the structure and ionic transport properties. A step-wise incorporation of Si4+ leads to an expansion of the unit cell, as well as the inclusion of additional Li+ within the structure. The increasing Li content occupies the structural transition state and, in combination with the structural changes, leads to a three-fold improvement of the ionic conductivity. This work demonstrates that the argyrodite material class can be optimized through aliovalent substitution, thereby making argyrodites an ideal system for studying solid electrolytes within the field of solid-state batteries.

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Minafra N. et al. Effect of Si substitution on the structural and transport properties of superionic Li-argyrodites // Journal of Materials Chemistry A. 2018. Vol. 6. No. 2. pp. 645-651.
GOST all authors (up to 50) Copy
Minafra N., Minafra N., Culver S. P., Krauskopf T., Senyshyn A., Zeier W. G. Effect of Si substitution on the structural and transport properties of superionic Li-argyrodites // Journal of Materials Chemistry A. 2018. Vol. 6. No. 2. pp. 645-651.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1039/C7TA08581H
UR - https://doi.org/10.1039/C7TA08581H
TI - Effect of Si substitution on the structural and transport properties of superionic Li-argyrodites
T2 - Journal of Materials Chemistry A
AU - Minafra, Nicoló
AU - Culver, Sean P
AU - Krauskopf, Thorben
AU - Senyshyn, Anatoliy
AU - Zeier, Wolfgang G.
AU - Minafra, Nicolò
PY - 2018
DA - 2018/01/01 00:00:00
PB - Royal Society of Chemistry (RSC)
SP - 645-651
IS - 2
VL - 6
SN - 2050-7488
SN - 2050-7496
SN - 0959-9428
SN - 1364-5501
ER -
BibTex |
Cite this
BibTex Copy
@article{2018_Minafra,
author = {Nicoló Minafra and Sean P Culver and Thorben Krauskopf and Anatoliy Senyshyn and Wolfgang G. Zeier and Nicolò Minafra},
title = {Effect of Si substitution on the structural and transport properties of superionic Li-argyrodites},
journal = {Journal of Materials Chemistry A},
year = {2018},
volume = {6},
publisher = {Royal Society of Chemistry (RSC)},
month = {jan},
url = {https://doi.org/10.1039/C7TA08581H},
number = {2},
pages = {645--651},
doi = {10.1039/C7TA08581H}
}
MLA
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MLA Copy
Minafra, Nicoló, et al. “Effect of Si substitution on the structural and transport properties of superionic Li-argyrodites.” Journal of Materials Chemistry A, vol. 6, no. 2, Jan. 2018, pp. 645-651. https://doi.org/10.1039/C7TA08581H.
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