Journal of Electroanalytical Chemistry, volume 881, pages 114916

Atomic-scale Al2O3 modified PEO-based composite polymer electrolyte for durable solid-state Li − S batteries

Publication typeJournal Article
Publication date2021-01-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor4.5
ISSN15726657
General Chemical Engineering
Analytical Chemistry
Electrochemistry
Abstract
The dissolution of lithium polysulfides in the polymer-based electrolyte and the electrolyte/lithium interface instability lead to the poor cycling stability and low Coulombic efficiency of solid-state Li S batteries. Herein, an ultrathin Al2O3 layer is deposited on the polyethylene oxide (PEO) based composite polymer electrolyte (CPE) by atomic layer deposition (ALD) to build a stable electrolyte/lithium interface, which could inhibit the shuttle effect of lithium polysulfides and restrain the growth of Li dendrite. An ultralong life in Li Li symmetric cell with CPE/Al2O3 can be achieved over 1200 h. The solid-state Li S batteries with the flexible CPE/Al2O3 membrane also deliver the electrochemical performance with high initial capacity of 1415 mAh g−1 and a reversible capacity of 640 mAh g−1 after 120 cycles at 0.1C. In addition, the fabricated punch cell with CPE/Al2O3 can endure the harsh treatment and operate at least 50 cycles, showing great potential in practical application.

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Shi Y. et al. Atomic-scale Al2O3 modified PEO-based composite polymer electrolyte for durable solid-state Li − S batteries // Journal of Electroanalytical Chemistry. 2021. Vol. 881. p. 114916.
GOST all authors (up to 50) Copy
Shi Y., Fan Z., Ding B., Li Z., Lin Q., Chen S., Dou H., Zhang X. Atomic-scale Al2O3 modified PEO-based composite polymer electrolyte for durable solid-state Li − S batteries // Journal of Electroanalytical Chemistry. 2021. Vol. 881. p. 114916.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.jelechem.2020.114916
UR - https://doi.org/10.1016/j.jelechem.2020.114916
TI - Atomic-scale Al2O3 modified PEO-based composite polymer electrolyte for durable solid-state Li − S batteries
T2 - Journal of Electroanalytical Chemistry
AU - Shi, Yuanyuan
AU - Fan, Zengjie
AU - Ding, Bing
AU - Li, Zhiwei
AU - Lin, Qingyang
AU - Chen, Shuang
AU - Dou, Hui
AU - Zhang, Xiaogang
PY - 2021
DA - 2021/01/01 00:00:00
PB - Elsevier
SP - 114916
VL - 881
SN - 1572-6657
ER -
BibTex
Cite this
BibTex Copy
@article{2021_Shi,
author = {Yuanyuan Shi and Zengjie Fan and Bing Ding and Zhiwei Li and Qingyang Lin and Shuang Chen and Hui Dou and Xiaogang Zhang},
title = {Atomic-scale Al2O3 modified PEO-based composite polymer electrolyte for durable solid-state Li − S batteries},
journal = {Journal of Electroanalytical Chemistry},
year = {2021},
volume = {881},
publisher = {Elsevier},
month = {jan},
url = {https://doi.org/10.1016/j.jelechem.2020.114916},
pages = {114916},
doi = {10.1016/j.jelechem.2020.114916}
}
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