Superion Conductor Na11.1Sn2.1P0.9Se12: Lowering the Activation Barrier of Na+ Conduction in Quaternary 1–4–5–6 Electrolytes
Marc Duchardt
1
,
Sven Neuberger
2
,
U. Ruschewitz
3
,
Thorben Krauskopf
4
,
Wolfgang G. Zeier
4, 5
,
Stefan Adams
6
,
Bernhard Roling
1
,
Publication type: Journal Article
Publication date: 2018-05-24
scimago Q1
wos Q1
SJR: 2.065
CiteScore: 12.0
Impact factor: 7.0
ISSN: 08974756, 15205002
Materials Chemistry
General Chemistry
General Chemical Engineering
Abstract
We report on the first quaternary selenide-based Na+ superionic solid electrolyte, Na11.1Sn2.1P0.9Se12 (further denoted as NaSnPSe), which shows virtually the same room temperature Na+ ion conductivity (3.0 mS/cm) as the current record holder for sulfide-based systems, Na11Sn2PS12 (denoted as NaSnPS), but with a considerably lower activation energy of 0.30 eV. Both electrolytes belong to the currently highly topical class of solids comprising group I, IV, V, and VI atoms, which we summarize as 1–4–5–6 electrolytes. Herein, they are compared to each other with regard to their structural characteristics and the resulting ion transport properties. The lower activation energy of Na+ ion transport in NaSnPSe is well in line with the results of speed of sound measurements, Raman spectroscopy, bond-valence site energy calculations, and molecular dynamics simulations, all of which point to a lower lattice rigidity and to weaker Na–chalcogen interactions as compared to NaSnPS.
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Duchardt M. et al. Superion Conductor Na11.1Sn2.1P0.9Se12: Lowering the Activation Barrier of Na+ Conduction in Quaternary 1–4–5–6 Electrolytes // Chemistry of Materials. 2018. Vol. 30. No. 12. pp. 4134-4139.
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Duchardt M., Neuberger S., Ruschewitz U., Krauskopf T., Zeier W. G., Schmedt auf der Günne J., Adams S., Roling B., Dehnen S. Superion Conductor Na11.1Sn2.1P0.9Se12: Lowering the Activation Barrier of Na+ Conduction in Quaternary 1–4–5–6 Electrolytes // Chemistry of Materials. 2018. Vol. 30. No. 12. pp. 4134-4139.
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TY - JOUR
DO - 10.1021/acs.chemmater.8b01656
UR - https://doi.org/10.1021/acs.chemmater.8b01656
TI - Superion Conductor Na11.1Sn2.1P0.9Se12: Lowering the Activation Barrier of Na+ Conduction in Quaternary 1–4–5–6 Electrolytes
T2 - Chemistry of Materials
AU - Duchardt, Marc
AU - Neuberger, Sven
AU - Ruschewitz, U.
AU - Krauskopf, Thorben
AU - Zeier, Wolfgang G.
AU - Schmedt auf der Günne, Jörn
AU - Adams, Stefan
AU - Roling, Bernhard
AU - Dehnen, Stefanie
PY - 2018
DA - 2018/05/24
PB - American Chemical Society (ACS)
SP - 4134-4139
IS - 12
VL - 30
SN - 0897-4756
SN - 1520-5002
ER -
Cite this
BibTex (up to 50 authors)
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@article{2018_Duchardt,
author = {Marc Duchardt and Sven Neuberger and U. Ruschewitz and Thorben Krauskopf and Wolfgang G. Zeier and Jörn Schmedt auf der Günne and Stefan Adams and Bernhard Roling and Stefanie Dehnen},
title = {Superion Conductor Na11.1Sn2.1P0.9Se12: Lowering the Activation Barrier of Na+ Conduction in Quaternary 1–4–5–6 Electrolytes},
journal = {Chemistry of Materials},
year = {2018},
volume = {30},
publisher = {American Chemical Society (ACS)},
month = {may},
url = {https://doi.org/10.1021/acs.chemmater.8b01656},
number = {12},
pages = {4134--4139},
doi = {10.1021/acs.chemmater.8b01656}
}
Cite this
MLA
Copy
Duchardt, Marc, et al. “Superion Conductor Na11.1Sn2.1P0.9Se12: Lowering the Activation Barrier of Na+ Conduction in Quaternary 1–4–5–6 Electrolytes.” Chemistry of Materials, vol. 30, no. 12, May. 2018, pp. 4134-4139. https://doi.org/10.1021/acs.chemmater.8b01656.