Journal of the American Chemical Society, volume 140, issue 47, pages 16330-16339

Inducing High Ionic Conductivity in the Lithium Superionic Argyrodites Li6+ xP1- xGe xS5I for All-Solid-State Batteries.

Marvin A Kraft 1
Saneyuki Ohno 1, 2
Raimund Koerver 1, 2
Sean P Culver 1, 2
Till Fuchs 1, 2
A. Senyshyn 5
Sylvio Indris 3, 4
B. A. Morgan 6
Publication typeJournal Article
Publication date2018-11-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor15
ISSN00027863, 15205126
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Abstract
Solid-state batteries with inorganic solid electrolytes are currently being discussed as a more reliable and safer future alternative to the current lithium-ion battery technology. To compete with state-of-the-art lithium-ion batteries, solid electrolytes with higher ionic conductivities are needed, especially if thick electrode configurations are to be used. In the search for optimized ionic conductors, the lithium argyrodites have attracted a lot of interest. Here, we systematically explore the influence of aliovalent substitution in Li6+ xP1- xGe xS5I using a combination of X-ray and neutron diffraction, as well as impedance spectroscopy and nuclear magnetic resonance. With increasing Ge content, an anion site disorder is induced and the activation barrier for ionic motion drops significantly, leading to the fastest lithium argyrodite so far with 5.4 ± 0.8 mS cm-1 in a cold-pressed state and 18.4 ± 2.7 mS cm-1 upon sintering. These high ionic conductivities allow for successful implementation within a thick-electrode solid-state battery that shows negligible capacity fade over 150 cycles. The observed changes in the activation barrier and changing site disorder provide an additional approach toward designing better performing solid electrolytes.

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Kraft M. A. et al. Inducing High Ionic Conductivity in the Lithium Superionic Argyrodites Li6+ xP1- xGe xS5I for All-Solid-State Batteries. // Journal of the American Chemical Society. 2018. Vol. 140. No. 47. pp. 16330-16339.
GOST all authors (up to 50) Copy
Kraft M. A., Ohno S., Zinkevich T., Koerver R., Culver S. P., Fuchs T., Senyshyn A., Indris S., Morgan B. A., Zeier W. G. Inducing High Ionic Conductivity in the Lithium Superionic Argyrodites Li6+ xP1- xGe xS5I for All-Solid-State Batteries. // Journal of the American Chemical Society. 2018. Vol. 140. No. 47. pp. 16330-16339.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1021/jacs.8b10282
UR - https://doi.org/10.1021/jacs.8b10282
TI - Inducing High Ionic Conductivity in the Lithium Superionic Argyrodites Li6+ xP1- xGe xS5I for All-Solid-State Batteries.
T2 - Journal of the American Chemical Society
AU - Kraft, Marvin A
AU - Koerver, Raimund
AU - Fuchs, Till
AU - Ohno, Saneyuki
AU - Indris, Sylvio
AU - Zeier, Wolfgang G.
AU - Zinkevich, Tatiana
AU - Culver, Sean P
AU - Senyshyn, A.
AU - Morgan, B. A.
PY - 2018
DA - 2018/11/01 00:00:00
PB - American Chemical Society (ACS)
SP - 16330-16339
IS - 47
VL - 140
SN - 0002-7863
SN - 1520-5126
ER -
BibTex |
Cite this
BibTex Copy
@article{2018_Kraft,
author = {Marvin A Kraft and Raimund Koerver and Till Fuchs and Saneyuki Ohno and Sylvio Indris and Wolfgang G. Zeier and Tatiana Zinkevich and Sean P Culver and A. Senyshyn and B. A. Morgan},
title = {Inducing High Ionic Conductivity in the Lithium Superionic Argyrodites Li6+ xP1- xGe xS5I for All-Solid-State Batteries.},
journal = {Journal of the American Chemical Society},
year = {2018},
volume = {140},
publisher = {American Chemical Society (ACS)},
month = {nov},
url = {https://doi.org/10.1021/jacs.8b10282},
number = {47},
pages = {16330--16339},
doi = {10.1021/jacs.8b10282}
}
MLA
Cite this
MLA Copy
Kraft, Marvin A., et al. “Inducing High Ionic Conductivity in the Lithium Superionic Argyrodites Li6+ xP1- xGe xS5I for All-Solid-State Batteries..” Journal of the American Chemical Society, vol. 140, no. 47, Nov. 2018, pp. 16330-16339. https://doi.org/10.1021/jacs.8b10282.
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