ACS applied materials & interfaces, volume 9, issue 4, pages 3723-3732

Ultraconcentrated Sodium Bis(fluorosulfonyl)imide-Based Electrolytes for High-Performance Sodium Metal Batteries

Publication typeJournal Article
Publication date2017-01-19
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor9.5
ISSN19448244, 19448252
General Materials Science
Abstract
We present an ultraconcentrated electrolyte composed of 5 M sodium bis(fluorosulfonyl)imide in 1,2-dimethoxyethane for Na metal anodes coupled with high-voltage cathodes. Using this electrolyte, a very high Coulombic efficiency of 99.3% at the 120th cycle for Na plating/stripping is obtained in Na/stainless steel (SS) cells with highly reduced corrosivity toward Na metal and high oxidation durability (over 4.9 V versus Na/Na+) without corrosion of the aluminum cathode current collector. Importantly, the use of this ultraconcentrated electrolyte results in substantially improved rate capability in Na/SS cells and excellent cycling performance in Na/Na symmetric cells without the increase of polarization. Moreover, this ultraconcentrated electrolyte exhibits good compatibility with high-voltage Na4Fe3(PO4)2(P2O7) and Na0.7(Fe0.5Mn0.5)O2 cathodes charged to high voltages (>4.2 V versus Na/Na+), resulting in outstanding cycling stability (high reversible capacity of 109 mAh g-1 over 300 cycles for the Na/Na4Fe3(PO4)2(P2O7) cell) compared with the conventional dilute electrolyte, 1 M NaPF6 in ethylene carbonate/propylene carbonate (5/5, v/v).

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GOST Copy
Lee J. et al. Ultraconcentrated Sodium Bis(fluorosulfonyl)imide-Based Electrolytes for High-Performance Sodium Metal Batteries // ACS applied materials & interfaces. 2017. Vol. 9. No. 4. pp. 3723-3732.
GOST all authors (up to 50) Copy
Lee J., Lee Y., Lee J., Lee S., Choi J., Kim H., Kwon M., Kang K., Lee K. T., Choi N. Ultraconcentrated Sodium Bis(fluorosulfonyl)imide-Based Electrolytes for High-Performance Sodium Metal Batteries // ACS applied materials & interfaces. 2017. Vol. 9. No. 4. pp. 3723-3732.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acsami.6b14878
UR - https://doi.org/10.1021/acsami.6b14878
TI - Ultraconcentrated Sodium Bis(fluorosulfonyl)imide-Based Electrolytes for High-Performance Sodium Metal Batteries
T2 - ACS applied materials & interfaces
AU - Lee, Jaegi
AU - Lee, Yongwon
AU - Lee, Jeongmin
AU - Kang, Kisuk
AU - Lee, Kyu Tae
AU - Choi, Nam-Soon
AU - Lee, Sang-Min
AU - Choi, Jeong-Hee
AU - Kim, H.S.
AU - Kwon, Mi-Sook
PY - 2017
DA - 2017/01/19 00:00:00
PB - American Chemical Society (ACS)
SP - 3723-3732
IS - 4
VL - 9
SN - 1944-8244
SN - 1944-8252
ER -
BibTex |
Cite this
BibTex Copy
@article{2017_Lee,
author = {Jaegi Lee and Yongwon Lee and Jeongmin Lee and Kisuk Kang and Kyu Tae Lee and Nam-Soon Choi and Sang-Min Lee and Jeong-Hee Choi and H.S. Kim and Mi-Sook Kwon},
title = {Ultraconcentrated Sodium Bis(fluorosulfonyl)imide-Based Electrolytes for High-Performance Sodium Metal Batteries},
journal = {ACS applied materials & interfaces},
year = {2017},
volume = {9},
publisher = {American Chemical Society (ACS)},
month = {jan},
url = {https://doi.org/10.1021/acsami.6b14878},
number = {4},
pages = {3723--3732},
doi = {10.1021/acsami.6b14878}
}
MLA
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MLA Copy
Lee, Jaegi, et al. “Ultraconcentrated Sodium Bis(fluorosulfonyl)imide-Based Electrolytes for High-Performance Sodium Metal Batteries.” ACS applied materials & interfaces, vol. 9, no. 4, Jan. 2017, pp. 3723-3732. https://doi.org/10.1021/acsami.6b14878.
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