Journal of Power Sources, volume 536, pages 231491

Improving the stability of NASICON-type electrolyte with Li metal anode by interfacial modification

Publication typeJournal Article
Publication date2022-07-01
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
Sodium super-ionic conductors (NASICON)-type electrolyte Li 1.4 Al 0.4 Ti 1.6 (PO 4 ) 3 (LATP), with high ionic conductivity and low cost, is considered as one of the most attractive alternatives to liquid electrolytes. However, the poor interfacial compatibilities of LATP electrolyte in lithium batteries lead to the failure, which hinders its further development. Herein, a MoS 2 coating layer as an artificial solid electrolyte interphase (ASEI) is used for modifying the surface of LATP (MCLATP) via an economical and uncomplicated spin coating method, which not only effectively inhibits the decomposition of LATP, but also in-situ forms a conversion layer consisting of Li 2 S and Mo metal during cycling. The conversion layer can improve the interfacial charge transfer kinetics and decrease the charge transfer resistance. According to interfacial modification of MoS 2 , the symmetric cells show slight polarization, and the Li/MCLATP/LFP cells demonstrate excellent cycling performance over 300 cycles at 1 C. The enhanced batteries performance is ascribed to interfacial modification of MoS 2 as an ASEI layer, which reduces interfacial concentration polarization caused by the formed microcracks around the surface during decomposition of LATP. This work provides a promising strategy to construct the interface between Li metal and solid-state electrolytes for other unstable electrolytes beyond NASICON. • LATP is modified by a MoS 2 coating layer via spin coating method. • The MoS 2 coating layer suppresses the decomposition of LATP. • The MoS 2 coating layer improves the interfacial charge kinetics. • The modified batteries cycle over 300 cycles at 1C.

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GOST Copy
Huang C. et al. Improving the stability of NASICON-type electrolyte with Li metal anode by interfacial modification // Journal of Power Sources. 2022. Vol. 536. p. 231491.
GOST all authors (up to 50) Copy
Huang C., Li Z., Duan S., Xie S. L., Yuan S., Hou S., Cao G., Jin H. Improving the stability of NASICON-type electrolyte with Li metal anode by interfacial modification // Journal of Power Sources. 2022. Vol. 536. p. 231491.
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RIS Copy
TY - JOUR
DO - 10.1016/j.jpowsour.2022.231491
UR - https://doi.org/10.1016/j.jpowsour.2022.231491
TI - Improving the stability of NASICON-type electrolyte with Li metal anode by interfacial modification
T2 - Journal of Power Sources
AU - Huang, Chuyu
AU - Li, Zhuojie
AU - Duan, Shanshan
AU - Xie, S. L.
AU - Yuan, Shuoguo
AU - Hou, Shuen
AU - Cao, Guozhong
AU - Jin, Hong-Yun
PY - 2022
DA - 2022/07/01 00:00:00
PB - Elsevier
SP - 231491
VL - 536
SN - 0378-7753
ER -
BibTex
Cite this
BibTex Copy
@article{2022_Huang,
author = {Chuyu Huang and Zhuojie Li and Shanshan Duan and S. L. Xie and Shuoguo Yuan and Shuen Hou and Guozhong Cao and Hong-Yun Jin},
title = {Improving the stability of NASICON-type electrolyte with Li metal anode by interfacial modification},
journal = {Journal of Power Sources},
year = {2022},
volume = {536},
publisher = {Elsevier},
month = {jul},
url = {https://doi.org/10.1016/j.jpowsour.2022.231491},
pages = {231491},
doi = {10.1016/j.jpowsour.2022.231491}
}
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