Issue 11, 2022

Realizing a high voltage lithium metal battery in ether-based electrolyte by regulating the cathode electrolyte interphase

Abstract

A combination of lithium bis(fluorosulfonyl)imide (LiFSI) and LiNO3 is designed to improve the oxidation resistance of cyclic ether (tetrahydrofuran) electrolyte at conventional concentration (1M LiFSI). The addition of NO3 results in the formation of a uniform N- and F-rich cathode electrolyte interphase, which enables 90% capacity retention of Li||LiNi0.80Co0.10Mn0.10O2 batteries over 80 cycles coupled with a thin lithium metal anode (50 μm) and a high-capacity cathode (∼3 mA h cm−2).

Graphical abstract: Realizing a high voltage lithium metal battery in ether-based electrolyte by regulating the cathode electrolyte interphase

Supplementary files

Article information

Article type
Communication
Submitted
17 Sept. 2022
Accepted
07 Okt. 2022
First published
19 Okt. 2022
This article is Open Access
Creative Commons BY-NC license

Energy Adv., 2022,1, 872-876

Realizing a high voltage lithium metal battery in ether-based electrolyte by regulating the cathode electrolyte interphase

X. Liu, Y. Yang, Y. Li, L. Wu, H. Yu, J. Zhang, Y. Liu and Q. Zhao, Energy Adv., 2022, 1, 872 DOI: 10.1039/D2YA00252C

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