Chemical Engineering Journal, volume 427, pages 131001

A simple strategy that may effectively tackle the anode-electrolyte interface issues in solid-state lithium metal batteries

Bo Liu 1
Mingjie Du 1
Bingbing Chen 2
Yijun Zhong 3
Jianqiu Zhou 2
Fei Ye 4, 5
Kaiming Liao 1
Chencheng Cao 3
Rui Cai 1
Wei Zhou 6
Publication typeJournal Article
Publication date2022-01-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor15.1
ISSN13858947, 03009467
General Chemistry
General Chemical Engineering
Industrial and Manufacturing Engineering
Environmental Chemistry
Abstract
• Contact issue of the anode-electrolyte interface was tackled by a Li-Mo composite. • Lower cohesive energy and higher binding energy are beneficial to better contact. • Symmetric cell shows a high critical current density and a stable 1200-h cycling. • A full cell with a LiFePO 4 cathode presented stable performance for 200 cycles. • The work provides a facile and feasible way to overcome interface problems. Interface issues are the biggest challenges that hindering the commercialization of solid-state lithium metal batteries (SSLMBs). Here, we propose a novel strategy targeting for effectively resolving the tedious lithium-garnet solid electrolyte interface problem from the lithium side. We intentionally introduce α-MoO 3 nanobelts into the molten metallic lithium, forming a Li-Mo composite. Compared to molten lithium, the composite improves wettability on the garnet electrolyte. As revealed by density functional theory calculations, such improvement could be ascribed to the reduced cohesive energy and the improved interface binding energy to the LLZTO. Intimate surface contact can be easily achieved without complicated surface treatment, which not only significantly reduces the interface resistance to ~ 1 Ω cm 2 , but could also effectively inhibits the generation of lithium dendrites. These features ensure a significant critical current density of 1700 µA cm −2 and a stable electrochemical Li plating/stripping process for more than 1200 h. A full cell with the Li-Mo composite anode and LiFePO 4 cathode also presents a fairly stable cycling performance at room temperature. Different from most previous strategies that try to tackle the interface issues from the electrolyte side, our research results suggest that designing lithium composite anodes with low cohesive energy and high interface binding energy to the solid electrolyte is an attractive and feasible solution to overcome interface problems.

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Liu B. et al. A simple strategy that may effectively tackle the anode-electrolyte interface issues in solid-state lithium metal batteries // Chemical Engineering Journal. 2022. Vol. 427. p. 131001.
GOST all authors (up to 50) Copy
Liu B., Du M., Chen B., Zhong Y., Zhou J., Ye F., Liao K., Cao C., Cai R., Zhou W. A simple strategy that may effectively tackle the anode-electrolyte interface issues in solid-state lithium metal batteries // Chemical Engineering Journal. 2022. Vol. 427. p. 131001.
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RIS Copy
TY - JOUR
DO - 10.1016/j.cej.2021.131001
UR - https://doi.org/10.1016/j.cej.2021.131001
TI - A simple strategy that may effectively tackle the anode-electrolyte interface issues in solid-state lithium metal batteries
T2 - Chemical Engineering Journal
AU - Liu, Bo
AU - Du, Mingjie
AU - Chen, Bingbing
AU - Zhong, Yijun
AU - Zhou, Jianqiu
AU - Ye, Fei
AU - Liao, Kaiming
AU - Zhou, Wei
AU - Cao, Chencheng
AU - Cai, Rui
PY - 2022
DA - 2022/01/01 00:00:00
PB - Elsevier
SP - 131001
VL - 427
SN - 1385-8947
SN - 0300-9467
ER -
BibTex
Cite this
BibTex Copy
@article{2022_Liu,
author = {Bo Liu and Mingjie Du and Bingbing Chen and Yijun Zhong and Jianqiu Zhou and Fei Ye and Kaiming Liao and Wei Zhou and Chencheng Cao and Rui Cai},
title = {A simple strategy that may effectively tackle the anode-electrolyte interface issues in solid-state lithium metal batteries},
journal = {Chemical Engineering Journal},
year = {2022},
volume = {427},
publisher = {Elsevier},
month = {jan},
url = {https://doi.org/10.1016/j.cej.2021.131001},
pages = {131001},
doi = {10.1016/j.cej.2021.131001}
}
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