Journal of Power Sources, volume 518, pages 230739

In situ modified sulfide solid electrolyte enabling stable lithium metal batteries

Jianwei Li 1
Yuanyuan Li 2
Jun Cheng 2
Qing Sun 1
Linna Dai 1
Naixuan Ci 1
Lijie Ci 3
Publication typeJournal Article
Publication date2022-01-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor9.2
ISSN03787753
Physical and Theoretical Chemistry
Electrical and Electronic Engineering
Energy Engineering and Power Technology
Renewable Energy, Sustainability and the Environment
Abstract
With the advantages of high ionic conductivity and wide electrochemical window, sulfide-based solid electrolyte becomes a current research hotspot of all-solid-state lithium batteries. Nevertheless, severe interfacial problem between the sulfide electrolyte and lithium metal remains a great challenge, which can render a high interfacial resistance and hinder the transfer of lithium ions through interface, ultimately degrading the cycling performance. Furthermore, lithium dendrites easily form inside the electrolyte, thus accelerating the dendrite-induced shorting behavior of the battery. In this work, Li 2 S layer is in-situ coated on the surface of the sulfide solid electrolyte Li 7 P 3 S 11 for highly stable lithium metal battery. The Li 2 S layer can effectively prevent Li 7 P 3 S 11 from reacting with lithium metal. Meanwhile, the incorporation of the lithium sulfide can inhibit the generation and growth of internal lithium dendrites, thereby improving the cycling stability. The all-solid-state batteries based on the new designed electrolyte exhibit remarkably enhanced cycling stability. This work provides a simple and effective strategy to suppress lithium dendrite and promotes the practical application of sulfide-based all-solid-state batteries. • A hybrid solid electrolyte of Li 2 S coated Li 7 P 3 S 11 is synthetized via a facile method. • The increased ionic conductivity and enhanced compatibility against lithium are achieved. • The symmetrical cell based on Li 2 S@LPS can be stably charge/discharged for 400 h. • All solid-state batteries show superior electrochemical performance.

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GOST Copy
Li J. et al. In situ modified sulfide solid electrolyte enabling stable lithium metal batteries // Journal of Power Sources. 2022. Vol. 518. p. 230739.
GOST all authors (up to 50) Copy
Li J., Li Y., Cheng J., Sun Q., Dai L., Ci N., Ci L. In situ modified sulfide solid electrolyte enabling stable lithium metal batteries // Journal of Power Sources. 2022. Vol. 518. p. 230739.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.jpowsour.2021.230739
UR - https://doi.org/10.1016/j.jpowsour.2021.230739
TI - In situ modified sulfide solid electrolyte enabling stable lithium metal batteries
T2 - Journal of Power Sources
AU - Li, Jianwei
AU - Li, Yuanyuan
AU - Cheng, Jun
AU - Sun, Qing
AU - Dai, Linna
AU - Ci, Naixuan
AU - Ci, Lijie
PY - 2022
DA - 2022/01/01 00:00:00
PB - Elsevier
SP - 230739
VL - 518
SN - 0378-7753
ER -
BibTex
Cite this
BibTex Copy
@article{2022_Li,
author = {Jianwei Li and Yuanyuan Li and Jun Cheng and Qing Sun and Linna Dai and Naixuan Ci and Lijie Ci},
title = {In situ modified sulfide solid electrolyte enabling stable lithium metal batteries},
journal = {Journal of Power Sources},
year = {2022},
volume = {518},
publisher = {Elsevier},
month = {jan},
url = {https://doi.org/10.1016/j.jpowsour.2021.230739},
pages = {230739},
doi = {10.1016/j.jpowsour.2021.230739}
}
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