ACS applied materials & interfaces, volume 14, issue 19, pages 22225-22232

Cl-Doped Li10SnP2S12 with Enhanced Ionic Conductivity and Lower Li-Ion Migration Barrier

Publication typeJournal Article
Publication date2022-05-04
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor9.5
ISSN19448244, 19448252
General Materials Science
Abstract
All-solid-state lithium batteries based on sulfide solid electrolytes have attracted much attention because of their high ionic conductivity. Li10SnP2S12 (LSPS) has the same structure as Li10GeP2S12, and there is little difference in ionic conductivity between them, but the preparation cost of LSPS is lower. Here, Cl doping is used to improve the electrochemical stability of the LSPS to the anode and the Li-ion transport performance. Among them, Li9.9SnP2S11.9Cl0.1 had a high ion conductivity of 2.62 mS cm-1 after cold pressure. On the crystal structure, X-ray diffraction Rietveld refinement indicated that the Cl-substituted portion S is successfully incorporated into the lattice of the LSPS, increasing Li-ion vacancies and reducing the distance between adjacent Li-ion distributed along the c-axis, these are conducive to Li-ion transmission. The temperature-dependent AC impedance experiment and density functional theory calculation show that doping with Cl makes Li9.9SnP2S11.9Cl0.1 have a lower activation energy. The assembled lithium symmetric batteries show that the doping of Cl promotes the stability of the interface between LSPS and the lithium metal anode. The charge-discharge tests of all-solid-state batteries using Li9.9SnP2S11.9Cl0.1 as electrolyte have confirmed that Cl doping can improve the electrochemical performance of LSPS, which have a higher specific capacity and cycle life.

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Wang Q. et al. Cl-Doped Li10SnP2S12 with Enhanced Ionic Conductivity and Lower Li-Ion Migration Barrier // ACS applied materials & interfaces. 2022. Vol. 14. No. 19. pp. 22225-22232.
GOST all authors (up to 50) Copy
Wang Q., Liu D., Ma X., Zhou X., Lei Z. Cl-Doped Li10SnP2S12 with Enhanced Ionic Conductivity and Lower Li-Ion Migration Barrier // ACS applied materials & interfaces. 2022. Vol. 14. No. 19. pp. 22225-22232.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acsami.2c05203
UR - https://doi.org/10.1021/acsami.2c05203
TI - Cl-Doped Li10SnP2S12 with Enhanced Ionic Conductivity and Lower Li-Ion Migration Barrier
T2 - ACS applied materials & interfaces
AU - Liu, Dongxu
AU - Ma, Xuefang
AU - Wang, Qingtao
AU - Zhou, Xiaozhong
AU - Lei, Ziqiang
PY - 2022
DA - 2022/05/04 00:00:00
PB - American Chemical Society (ACS)
SP - 22225-22232
IS - 19
VL - 14
SN - 1944-8244
SN - 1944-8252
ER -
BibTex |
Cite this
BibTex Copy
@article{2022_Wang,
author = {Dongxu Liu and Xuefang Ma and Qingtao Wang and Xiaozhong Zhou and Ziqiang Lei},
title = {Cl-Doped Li10SnP2S12 with Enhanced Ionic Conductivity and Lower Li-Ion Migration Barrier},
journal = {ACS applied materials & interfaces},
year = {2022},
volume = {14},
publisher = {American Chemical Society (ACS)},
month = {may},
url = {https://doi.org/10.1021/acsami.2c05203},
number = {19},
pages = {22225--22232},
doi = {10.1021/acsami.2c05203}
}
MLA
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MLA Copy
Wang, Qingtao, et al. “Cl-Doped Li10SnP2S12 with Enhanced Ionic Conductivity and Lower Li-Ion Migration Barrier.” ACS applied materials & interfaces, vol. 14, no. 19, May. 2022, pp. 22225-22232. https://doi.org/10.1021/acsami.2c05203.
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