Journal of the American Chemical Society, volume 142, issue 15, pages 7012-7022

Site-Occupation-Tuned Superionic LixScCl3+xHalide Solid Electrolytes for All-Solid-State Batteries

Jianwen Liang 1
Xiaona Li 1
Shuo Wang 2
Keegan Adair 1
Weihan Li 1
Yang Zhao 1
Changhong Wang 1
Yongfeng Hu 3
Li Zhang 4
Shangqian Zhao 4
Shigang Lu 4
Huan Huang 5
Ruying Li 1
Yifei Mo 2
Xueliang Andy Sun 1
1
 
Department of Mechanical and Materials Engineering, University of Western Ontario, 1151 Richmond St, London, Ontario N6A 3K7, Canada
3
 
Canadian Light Source, 44 Innovation Boulevard, Saskatoon, SK S7N 2V3, Canada
4
 
China Automotive Battery Research Institute Co. Ltd, fifth Floor, No. 43, Mining Building, North Sanhuan Middle Road, Beijing, 100088, China
5
 
Glabat Solid-State Battery Inc., 700 Collip Circle, London, ON N6G 4X8, Canada
Publication typeJournal Article
Publication date2020-03-26
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor15
ISSN00027863, 15205126
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Abstract
The enabling of high energy density of all-solid-state lithium batteries (ASSLBs) requires the development of highly Li+-conductive solid-state electrolytes (SSEs) with good chemical and electrochemical stability. Recently, halide SSEs based on different material design principles have opened new opportunities for ASSLBs. Here, we discovered a series of LixScCl3+x SSEs (x = 2.5, 3, 3.5, and 4) based on the cubic close-packed anion sublattice with room-temperature ionic conductivities up to 3 × 10-3 S cm-1. Owing to the low eutectic temperature between LiCl and ScCl3, LixScCl3+x SSEs can be synthesized by a simple co-melting strategy. Preferred orientation is observed for all the samples. The influence of the value of x in LixScCl3+x on the structure and Li+ diffusivity were systematically explored. With increasing x value, higher Li+, lower vacancy concentration, and less blocking effects from Sc ions are achieved, enabling the ability to tune the Li+ migration. The electrochemical performance shows that Li3ScCl6 possesses a wide electrochemical window of 0.9-4.3 V vs Li+/Li, stable electrochemical plating/stripping of Li for over 2500 h, as well as good compatibility with LiCoO2. LiCoO2/Li3ScCl6/In ASSLB exhibits a reversible capacity of 104.5 mAh g-1 with good cycle life retention for 160 cycles. The observed changes in the ionic conductivity and tuning of the site occupations provide an additional approach toward the design of better SSEs.

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GOST Copy
Liang J. et al. Site-Occupation-Tuned Superionic LixScCl3+xHalide Solid Electrolytes for All-Solid-State Batteries // Journal of the American Chemical Society. 2020. Vol. 142. No. 15. pp. 7012-7022.
GOST all authors (up to 50) Copy
Liang J., Li X., Wang S., Adair K., Li W., Zhao Y., Wang C., Hu Y., Zhang L., Zhao S., Lu S., Huang H., Li R., Mo Y., Sun X. A. Site-Occupation-Tuned Superionic LixScCl3+xHalide Solid Electrolytes for All-Solid-State Batteries // Journal of the American Chemical Society. 2020. Vol. 142. No. 15. pp. 7012-7022.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/jacs.0c00134
UR - https://doi.org/10.1021/jacs.0c00134
TI - Site-Occupation-Tuned Superionic LixScCl3+xHalide Solid Electrolytes for All-Solid-State Batteries
T2 - Journal of the American Chemical Society
AU - Li, Weihan
AU - Zhao, Shangqian
AU - Lu, Shigang
AU - Wang, Shuo
AU - Mo, Yifei
AU - Sun, Xueliang Andy
AU - Liang, Jianwen
AU - Li, Xiaona
AU - Adair, Keegan
AU - Zhao, Yang
AU - Wang, Changhong
AU - Hu, Yongfeng
AU - Zhang, Li
AU - Huang, Huan
AU - Li, Ruying
PY - 2020
DA - 2020/03/26 00:00:00
PB - American Chemical Society (ACS)
SP - 7012-7022
IS - 15
VL - 142
SN - 0002-7863
SN - 1520-5126
ER -
BibTex |
Cite this
BibTex Copy
@article{2020_Liang,
author = {Weihan Li and Shangqian Zhao and Shigang Lu and Shuo Wang and Yifei Mo and Xueliang Andy Sun and Jianwen Liang and Xiaona Li and Keegan Adair and Yang Zhao and Changhong Wang and Yongfeng Hu and Li Zhang and Huan Huang and Ruying Li},
title = {Site-Occupation-Tuned Superionic LixScCl3+xHalide Solid Electrolytes for All-Solid-State Batteries},
journal = {Journal of the American Chemical Society},
year = {2020},
volume = {142},
publisher = {American Chemical Society (ACS)},
month = {mar},
url = {https://doi.org/10.1021/jacs.0c00134},
number = {15},
pages = {7012--7022},
doi = {10.1021/jacs.0c00134}
}
MLA
Cite this
MLA Copy
Liang, Jianwen, et al. “Site-Occupation-Tuned Superionic LixScCl3+xHalide Solid Electrolytes for All-Solid-State Batteries.” Journal of the American Chemical Society, vol. 142, no. 15, Mar. 2020, pp. 7012-7022. https://doi.org/10.1021/jacs.0c00134.
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