Chemical Engineering Journal, volume 430, pages 132991

Thin, flexible sulfide-based electrolyte film and its interface engineering for high performance solid-state lithium metal batteries

Hong Liu 1
Pingge He
Boyun Huang 2
Guoxu Wang 1
Yuhao Liang
Yu-Hao Liang 1
Chao Wang 1
Chao Wang
Li‐Zhen Fan 1
Publication typeJournal Article
Publication date2022-02-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor15.1
ISSN13858947, 03009467
General Chemistry
General Chemical Engineering
Industrial and Manufacturing Engineering
Environmental Chemistry
Abstract
• An ultrathin (∼60 μm) and flexible sulfide-based electrolyte film is prepared. • The interfacial compatibility is tremendously enhanced through a buffer layer prepared by in-situ polymerization. • Solid-state lithium metal batteries show high safety and superior cycling performance. Sulfide electrolytes have attracted increasing attention due to their ultrahigh ionic conductivity and intrinsically soft properties. However, current solid-state lithium metal batteries (SSLMBs) based on sulfide electrolyte generally suffer from poor electrochemical performance due to the thick electrolyte layer and its terrible compatibility with Li metal anode. Herein, an ultrathin (∼60 μm) sulfide-based electrolyte film is prepared by a scalable slurry-casting method using Li 10 GeP 2 S 12 , polyethylene oxide, (3-chloropropyl)trimethoxysilane and nylon mesh (as a scaffold). Such film exhibits high ambient-temperature ionic conductivity (2.4 × 10 −4 S cm −1 ), wide electrochemical window (4.7 V versus Li/Li + ), outstanding heat-resistance and high mechanical strength (13.8 MPa). Furthermore, the compatibility of anode interface has been tremendously enhanced by the interface engineering of fluorine-rich gel protective layer on Li anode (Gel-Li) via in-situ polymerization, which can effectively prevent the lithium dendrite growth and endow outstanding long-term cyclic stability of the Li symmetric battery. As a result, the assembled MWCNT@S/Gel-Li and LiNbO 3 @LiNi 0.6 Mn 0.2 Co 0.2 O 2 /Gel-Li batteries based on such electrolyte film display desirable discharge specific capacities and outstanding cycling stability at ambient-temperature. In addition, the integrated pouch cell can operate well even under harsh environments of bending, cutting, punching situations, demonstrating that such thin electrolyte and its interface engineering applied in SSLMBs with high safety and durability.

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Liu H. et al. Thin, flexible sulfide-based electrolyte film and its interface engineering for high performance solid-state lithium metal batteries // Chemical Engineering Journal. 2022. Vol. 430. p. 132991.
GOST all authors (up to 50) Copy
Liu H., He P., Huang B., Wang G., Liang Y., Liang Y., Wang C., Wang C., Fan L. Thin, flexible sulfide-based electrolyte film and its interface engineering for high performance solid-state lithium metal batteries // Chemical Engineering Journal. 2022. Vol. 430. p. 132991.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.cej.2021.132991
UR - https://doi.org/10.1016/j.cej.2021.132991
TI - Thin, flexible sulfide-based electrolyte film and its interface engineering for high performance solid-state lithium metal batteries
T2 - Chemical Engineering Journal
AU - He, Pingge
AU - Wang, Guoxu
AU - Liang, Yuhao
AU - Wang, Chao
AU - Fan, Li‐Zhen
AU - Liu, Hong
AU - Huang, Boyun
AU - Liang, Yu-Hao
AU - Wang, Chao
PY - 2022
DA - 2022/02/01 00:00:00
PB - Elsevier
SP - 132991
VL - 430
SN - 1385-8947
SN - 0300-9467
ER -
BibTex
Cite this
BibTex Copy
@article{2022_Liu,
author = {Pingge He and Guoxu Wang and Yuhao Liang and Chao Wang and Li‐Zhen Fan and Hong Liu and Boyun Huang and Yu-Hao Liang and Chao Wang},
title = {Thin, flexible sulfide-based electrolyte film and its interface engineering for high performance solid-state lithium metal batteries},
journal = {Chemical Engineering Journal},
year = {2022},
volume = {430},
publisher = {Elsevier},
month = {feb},
url = {https://doi.org/10.1016/j.cej.2021.132991},
pages = {132991},
doi = {10.1016/j.cej.2021.132991}
}
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