Open Access
Open access
Nature Communications, volume 14, issue 1, publication number 440

High entropy liquid electrolytes for lithium batteries

Qidi Wang 1
Chenglong Zhao 1
Jianlin Wang 2
Zhenpeng Yao 3, 4
Shuwei Wang 5
Sai Govind Hari Kumar 6
Stephen Eustace 7
Xuedong Bai 2
Baohua Li 5
Publication typeJournal Article
Publication date2023-01-27
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor16.6
ISSN20411723, 20411723
General Chemistry
General Biochemistry, Genetics and Molecular Biology
Multidisciplinary
General Physics and Astronomy
Abstract

High-entropy alloys/compounds have large configurational entropy by introducing multiple components, showing improved functional properties that exceed those of conventional materials. However, how increasing entropy impacts the thermodynamic/kinetic properties in liquids that are ambiguous. Here we show this strategy in liquid electrolytes for rechargeable lithium batteries, demonstrating the substantial impact of raising the entropy of electrolytes by introducing multiple salts. Unlike all liquid electrolytes so far reported, the participation of several anionic groups in this electrolyte induces a larger diversity in solvation structures, unexpectedly decreasing solvation strengths between lithium ions and solvents/anions, facilitating lithium-ion diffusivity and the formation of stable interphase passivation layers. In comparison to the single-salt electrolytes, a low-concentration dimethyl ether electrolyte with four salts shows an enhanced cycling stability and rate capability. These findings, rationalized by the fundamental relationship between entropy-dominated solvation structures and ion transport, bring forward high-entropy electrolytes as a composition-rich and unexplored spaceĀ for lithium batteries and beyond.

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GOST |
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GOST Copy
Wang Q. et al. High entropy liquid electrolytes for lithium batteries // Nature Communications. 2023. Vol. 14. No. 1. 440
GOST all authors (up to 50) Copy
Wang Q., Zhao C., Wang J., Yao Z., Wang S., Kumar S. G. H., Ganapathy S., Eustace S., Bai X., Li B., Wagemaker M. High entropy liquid electrolytes for lithium batteries // Nature Communications. 2023. Vol. 14. No. 1. 440
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1038/s41467-023-36075-1
UR - https://doi.org/10.1038/s41467-023-36075-1
TI - High entropy liquid electrolytes for lithium batteries
T2 - Nature Communications
AU - Wang, Qidi
AU - Zhao, Chenglong
AU - Wang, Jianlin
AU - Yao, Zhenpeng
AU - Wang, Shuwei
AU - Kumar, Sai Govind Hari
AU - Ganapathy, Swapna
AU - Eustace, Stephen
AU - Bai, Xuedong
AU - Li, Baohua
AU - Wagemaker, M.
PY - 2023
DA - 2023/01/27 00:00:00
PB - Springer Nature
IS - 1
VL - 14
SN - 2041-1723
SN - 2041-1723
ER -
BibTex
Cite this
BibTex Copy
@article{2023_Wang,
author = {Qidi Wang and Chenglong Zhao and Jianlin Wang and Zhenpeng Yao and Shuwei Wang and Sai Govind Hari Kumar and Swapna Ganapathy and Stephen Eustace and Xuedong Bai and Baohua Li and M. Wagemaker},
title = {High entropy liquid electrolytes for lithium batteries},
journal = {Nature Communications},
year = {2023},
volume = {14},
publisher = {Springer Nature},
month = {jan},
url = {https://doi.org/10.1038/s41467-023-36075-1},
number = {1},
doi = {10.1038/s41467-023-36075-1}
}
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