Chemical Engineering Journal, volume 469, pages 144090

3D lithiophilic framework fixed on the surface of LLZTO solid electrolyte Shaping the Contact between Li Metal and Ceramic

Yuhao Shi 1
Yidong Cai 1
Jiaqi Zhao 1
Tong Wu 1
Xiang Xue 1
Tiesong Lin 1
Panpan Lin 1
Ce Wang 1
Peng He 1
Publication typeJournal Article
Publication date2023-08-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor15.1
ISSN13858947, 03009467
General Chemistry
General Chemical Engineering
Industrial and Manufacturing Engineering
Environmental Chemistry
Abstract
In this paper an innovative method to improve the contact state between Li metal and LLZTO solid electrolyte surface is presented. Based on the interdiffusion between Cu and Zr elements, the Cu mesh coated with Ag layer (ACM) is welded on the LLZTO ceramic surface at 3 MPa pressure for 30 min at 900 °C under Ar atmosphere. The molten Li metal wets and spreads on the LLZTO solid electrolyte surface with the assistance of the ACM fixed on the ceramic surface. As a result, the interfacial resistance between the Li metal anode and the LLZTO solid electrolyte surface is reduced from 2869.05 Ω·cm2 to 34.1 Ω·cm2. Moreover, the ACM can guide the Li metal into an orderly deposition to enhance the stability of the Li/LLZTO interface. The ACM divides the Li plating/stripping space into several small areas, similar to forming several independent small units in a large system. This division reduces the risk and probability of uneven Li plating/stripping space in the entire system. Therefore, the Li/100ACM-LLZTO /Li symmetric cell can operate stably for 800 h at 0.1 mA/cm2. And the Li/100ACM-LLZTO/LFP full cell still has a capacity retention rate of 81% after 300 cycles at 0.5C.

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Shi Y. et al. 3D lithiophilic framework fixed on the surface of LLZTO solid electrolyte Shaping the Contact between Li Metal and Ceramic // Chemical Engineering Journal. 2023. Vol. 469. p. 144090.
GOST all authors (up to 50) Copy
Shi Y., Cai Y., Zhao J., Wu T., Xue X., Lin T., Lin P., Wang C., He P. 3D lithiophilic framework fixed on the surface of LLZTO solid electrolyte Shaping the Contact between Li Metal and Ceramic // Chemical Engineering Journal. 2023. Vol. 469. p. 144090.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.cej.2023.144090
UR - https://doi.org/10.1016/j.cej.2023.144090
TI - 3D lithiophilic framework fixed on the surface of LLZTO solid electrolyte Shaping the Contact between Li Metal and Ceramic
T2 - Chemical Engineering Journal
AU - Shi, Yuhao
AU - Cai, Yidong
AU - Zhao, Jiaqi
AU - Wu, Tong
AU - Xue, Xiang
AU - Lin, Tiesong
AU - Lin, Panpan
AU - Wang, Ce
AU - He, Peng
PY - 2023
DA - 2023/08/01 00:00:00
PB - Elsevier
SP - 144090
VL - 469
SN - 1385-8947
SN - 0300-9467
ER -
BibTex
Cite this
BibTex Copy
@article{2023_Shi,
author = {Yuhao Shi and Yidong Cai and Jiaqi Zhao and Tong Wu and Xiang Xue and Tiesong Lin and Panpan Lin and Ce Wang and Peng He},
title = {3D lithiophilic framework fixed on the surface of LLZTO solid electrolyte Shaping the Contact between Li Metal and Ceramic},
journal = {Chemical Engineering Journal},
year = {2023},
volume = {469},
publisher = {Elsevier},
month = {aug},
url = {https://doi.org/10.1016/j.cej.2023.144090},
pages = {144090},
doi = {10.1016/j.cej.2023.144090}
}
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