Open Access
Open access
Nature Communications, volume 13, issue 1, publication number 1510

A stable quasi-solid electrolyte improves the safe operation of highly efficient lithium-metal pouch cells in harsh environments

Publication typeJournal Article
Publication date2022-03-21
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor16.6
ISSN20411723, 20411723
General Chemistry
General Biochemistry, Genetics and Molecular Biology
General Physics and Astronomy
Abstract
Nanoconfined/sub-nanoconfined solvent molecules tend to undergo dramatic changes in their properties and behaviours. In this work, we find that unlike typical bulk liquid electrolytes, electrolytes confined in a sub-nanoscale environment (inside channels of a 6.5 Å metal-organic framework, defined as a quasi-solid electrolyte) exhibits unusual properties and behaviours: higher boiling points, highly aggregated configurations, decent lithium-ion conductivities, extended electrochemical voltage windows (approximately 5.4 volts versus Li/Li+) and nonflammability at high temperatures. We incorporate this interesting electrolyte into lithium-metal batteries (LMBs) and find that LMBs cycled in the quasi-solid electrolyte demonstrate an electrolyte interphase-free (CEI-free) cathode and dendrite-free Li-metal surface. Moreover, high-voltage LiNi0.8Co0.1Mn0.1O2//Li (NCM-811//Li with a high NCM-811 mass loading of 20 mg cm−2) pouch cells assemble with the quasi-solid electrolyte deliver highly stable electrochemical performances even at a high working temperature of 90 °C (171 mAh g−1 after 300 cycles, 89% capacity retention; 164 mAh g−1 after 100 cycles even after being damaged). This strategy for fabricating nonflammable and ultrastable quasi-solid electrolytes is promising for the development of safe and high-energy-density LIBs/LMBs for powering electronic devices under various practical working conditions. Solvent molecules under nanoconfinement dictates several key physical properties. Here, the authors reveal the behaviour of a quasi-solid electrolyte by using a microporous metal-organic framework with a small amount of liquid electrolyte influencing a number of properties in a lithium-metal pouch-cell.

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GOST |
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GOST Copy
Chang Z. et al. A stable quasi-solid electrolyte improves the safe operation of highly efficient lithium-metal pouch cells in harsh environments // Nature Communications. 2022. Vol. 13. No. 1. 1510
GOST all authors (up to 50) Copy
Chang Z., Yang H., Zhu X., He P., Zhou H. A stable quasi-solid electrolyte improves the safe operation of highly efficient lithium-metal pouch cells in harsh environments // Nature Communications. 2022. Vol. 13. No. 1. 1510
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1038/s41467-022-29118-6
UR - https://doi.org/10.1038/s41467-022-29118-6
TI - A stable quasi-solid electrolyte improves the safe operation of highly efficient lithium-metal pouch cells in harsh environments
T2 - Nature Communications
AU - Chang, Zhi
AU - Yang, Huijun
AU - Zhu, Xingyu
AU - He, Ping
AU - Zhou, Haoshen
PY - 2022
DA - 2022/03/21 00:00:00
PB - Springer Nature
IS - 1
VL - 13
SN - 2041-1723
SN - 2041-1723
ER -
BibTex
Cite this
BibTex Copy
@article{2022_Chang,
author = {Zhi Chang and Huijun Yang and Xingyu Zhu and Ping He and Haoshen Zhou},
title = {A stable quasi-solid electrolyte improves the safe operation of highly efficient lithium-metal pouch cells in harsh environments},
journal = {Nature Communications},
year = {2022},
volume = {13},
publisher = {Springer Nature},
month = {mar},
url = {https://doi.org/10.1038/s41467-022-29118-6},
number = {1},
doi = {10.1038/s41467-022-29118-6}
}
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