Nano Letters, volume 20, issue 11, pages 8273-8281

Stabilizing a Lithium Metal Battery by an In Situ Li2S-modified Interfacial Layer via Amorphous-Sulfide Composite Solid Electrolyte

Chen Lai 1, 2
Chengyong Shu 2
W. Li 3
Liu Wang 1
Xiaowei Wang 4
Tianran Zhang 1
Xuesong Yin 5
Iqbal Ahmad 2
Mingtao Li 2
Xiaolu Tian 2
Yang Pu 2
Wei Tang 2, 6
Naihua Miao 3
Guangyuan Zheng 1, 5
Publication typeJournal Article
Publication date2020-10-27
Journal: Nano Letters
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor10.8
ISSN15306984, 15306992
General Chemistry
Condensed Matter Physics
General Materials Science
Mechanical Engineering
Bioengineering
Abstract
A novel strategy has been proposed to produce in situ Li2S at the interfacial layer between lithium anode and the solid electrolyte, by using an amorphous-sulfide-LiTFSI-poly(vinylidene difluoride) (PVDF) composite solid electrolyte (SLCSE). Besides retarding the decomposition of PVDF in CSE, the Li2S-modified interfacial layer (SMIL) also improves the wettability between lithium metal and SLCSE which in turn optimizes the lithium deposition process. Our density functional theory calculation results reveal that the migration energy barrier of Li passing through SMIL is much lower than that of Li passing through LiF-modified interfacial layer (FMIL) formed from the decomposition of PVDF. The as-prepared SLCSE shows a Li ionic transference number of 0.44 and Li ion conductivity of 3.42 × 10-4 S/cm at room temperature, and the Li||SLCSE||LiFePO4 cell exhibits an outstanding rate performance with a capacity of 153, 144, 131, and 101 mAh/g at a current density of 0.05, 0.10, 0.25, and 0.50 mA/cm2, respectively.

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GOST Copy
Lai C. et al. Stabilizing a Lithium Metal Battery by an In Situ Li2S-modified Interfacial Layer via Amorphous-Sulfide Composite Solid Electrolyte // Nano Letters. 2020. Vol. 20. No. 11. pp. 8273-8281.
GOST all authors (up to 50) Copy
Lai C., Shu C., Li W., Wang L., Wang X., Zhang T., Yin X., Ahmad I., Li M., Tian X., Pu Y., Tang W., Miao N., Zheng G. Stabilizing a Lithium Metal Battery by an In Situ Li2S-modified Interfacial Layer via Amorphous-Sulfide Composite Solid Electrolyte // Nano Letters. 2020. Vol. 20. No. 11. pp. 8273-8281.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acs.nanolett.0c03395
UR - https://doi.org/10.1021/acs.nanolett.0c03395
TI - Stabilizing a Lithium Metal Battery by an In Situ Li2S-modified Interfacial Layer via Amorphous-Sulfide Composite Solid Electrolyte
T2 - Nano Letters
AU - Wang, Xiaowei
AU - Tian, Xiaolu
AU - Pu, Yang
AU - Lai, Chen
AU - Wang, Liu
AU - Zhang, Tianran
AU - Yin, Xuesong
AU - Zheng, Guangyuan
AU - Shu, Chengyong
AU - Li, W.
AU - Ahmad, Iqbal
AU - Li, Mingtao
AU - Tang, Wei
AU - Miao, Naihua
PY - 2020
DA - 2020/10/27 00:00:00
PB - American Chemical Society (ACS)
SP - 8273-8281
IS - 11
VL - 20
SN - 1530-6984
SN - 1530-6992
ER -
BibTex |
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BibTex Copy
@article{2020_Lai,
author = {Xiaowei Wang and Xiaolu Tian and Yang Pu and Chen Lai and Liu Wang and Tianran Zhang and Xuesong Yin and Guangyuan Zheng and Chengyong Shu and W. Li and Iqbal Ahmad and Mingtao Li and Wei Tang and Naihua Miao},
title = {Stabilizing a Lithium Metal Battery by an In Situ Li2S-modified Interfacial Layer via Amorphous-Sulfide Composite Solid Electrolyte},
journal = {Nano Letters},
year = {2020},
volume = {20},
publisher = {American Chemical Society (ACS)},
month = {oct},
url = {https://doi.org/10.1021/acs.nanolett.0c03395},
number = {11},
pages = {8273--8281},
doi = {10.1021/acs.nanolett.0c03395}
}
MLA
Cite this
MLA Copy
Lai, Chen, et al. “Stabilizing a Lithium Metal Battery by an In Situ Li2S-modified Interfacial Layer via Amorphous-Sulfide Composite Solid Electrolyte.” Nano Letters, vol. 20, no. 11, Oct. 2020, pp. 8273-8281. https://doi.org/10.1021/acs.nanolett.0c03395.
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