Journal of Power Sources, volume 592, pages 233914
The functional electrolyte containing 2-fluorobenzenesulfonyl fluoride (2FF) additive enhances the performance of LiNi0.8Co0.1Mn0.1O2/graphite batteries by stabilizing the cathode interface
Hu Huilin
1
,
He Xin
1
,
Zeng Xianyuan
1
,
Li Haijia
1
,
Sun Chenhao
1
,
Fan Weizhen
1, 2
,
Ma Zhen
1
,
Nan Junmin
1
2
Guangzhou Tinci Materials Technology Co., Ltd., Guangzhou, 510760, PR China
|
Publication type: Journal Article
Publication date: 2024-02-01
Journal:
Journal of Power Sources
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 9.2
ISSN: 03787753
Physical and Theoretical Chemistry
Electrical and Electronic Engineering
Energy Engineering and Power Technology
Renewable Energy, Sustainability and the Environment
Abstract
A functional electrolyte containing conventional carbonate esters solvents, LiPF6 salt, and novel 2-fluorobenzenesulfonyl fluoride (2FF) additive is developed to stabilize the LiNi0.8Co0.1Mn0.1O2 (NCM811) cathode interface and enhance the performance of NCM811/graphite lithium-ion batteries (LIBs). It is indicated that due to the unique C-F and sulfonyl fluoride groups of 2FF, the NCM811/Li half batteries containing 2% 2FF electrolyte show the highest cycling performance, a coulombic efficiency of 98.4% and a capacity retention of 89.4% are obtained after 100 cycles at 0.5C. And compared to the pouch NCM811/graphite full batteries with blank electrolyte, the long cycle performance of the batteries with 2% 2FF is also increased after 500 cycles at 45 °C, the discharge capacity retention rate retains at 80.04% and the coulombic efficiency closes to 100%. The spectroscopic characterization and theoretical calculation demonstrate that the electrolyte with 2FF additive preferentially react and generate uniform CEI film. These results show that this 2FF-containing electrolyte can stabilize NCM811 cathode interface, revealing a promising prospect of the commercial application of high-nickel LIBs.
Citations by journals
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Journal of Materials Chemistry A
1 publication, 100%
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Citations by publishers
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Royal Society of Chemistry (RSC)
1 publication, 100%
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Hu H. et al. The functional electrolyte containing 2-fluorobenzenesulfonyl fluoride (2FF) additive enhances the performance of LiNi0.8Co0.1Mn0.1O2/graphite batteries by stabilizing the cathode interface // Journal of Power Sources. 2024. Vol. 592. p. 233914.
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Hu H., He X., Zeng X., Li H., Sun C., Fan W., Ma Z., Nan J. The functional electrolyte containing 2-fluorobenzenesulfonyl fluoride (2FF) additive enhances the performance of LiNi0.8Co0.1Mn0.1O2/graphite batteries by stabilizing the cathode interface // Journal of Power Sources. 2024. Vol. 592. p. 233914.
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TY - JOUR
DO - 10.1016/j.jpowsour.2023.233914
UR - https://doi.org/10.1016/j.jpowsour.2023.233914
TI - The functional electrolyte containing 2-fluorobenzenesulfonyl fluoride (2FF) additive enhances the performance of LiNi0.8Co0.1Mn0.1O2/graphite batteries by stabilizing the cathode interface
T2 - Journal of Power Sources
AU - Hu, Huilin
AU - He, Xin
AU - Zeng, Xianyuan
AU - Li, Haijia
AU - Sun, Chenhao
AU - Fan, Weizhen
AU - Ma, Zhen
AU - Nan, Junmin
PY - 2024
DA - 2024/02/01 00:00:00
PB - Elsevier
SP - 233914
VL - 592
SN - 0378-7753
ER -
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@article{2024_Hu,
author = {Huilin Hu and Xin He and Xianyuan Zeng and Haijia Li and Chenhao Sun and Weizhen Fan and Zhen Ma and Junmin Nan},
title = {The functional electrolyte containing 2-fluorobenzenesulfonyl fluoride (2FF) additive enhances the performance of LiNi0.8Co0.1Mn0.1O2/graphite batteries by stabilizing the cathode interface},
journal = {Journal of Power Sources},
year = {2024},
volume = {592},
publisher = {Elsevier},
month = {feb},
url = {https://doi.org/10.1016/j.jpowsour.2023.233914},
pages = {233914},
doi = {10.1016/j.jpowsour.2023.233914}
}