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Lin, D., Liu, Y., Chen, W., Zhou, G., Liu, K., Dunn, B., et al. (2017) Conformal Lithium Fluoride Protection Layer on Three-Dimensional Lithium by Nonhazardous Gaseous Reagent Freon. Nano Letters, 17, 3731-3737.
https://doi.org/10.1021/acs.nanolett.7b01020

has been cited by the following article:

• TITLE: Modification of Li Anode with Perfluorodecyltrimethoxysilane to Enhance the Performance of Lithium Metal Battery

  AUTHORS: Yinghan Shao

  KEYWORDS: Lithium Metal Battery, SEI, High Density, PFDTMS, Surface

  JOURNAL NAME: Journal of Power and Energy Engineering, Vol.12 No.8, August 30, 2024

  ABSTRACT: The solid electrolyte interphase (SEI) on the surface of lithium metal anodes can dictate the electrochemical performance of lithium-metal-based batteries. Due to ineffective adhesion, the natural SEI layer may detach from the lithium negative electrode during interface fluctuations, thereby deteriorating the electrochemical performance of lithium-metal-based batteries. This work introduces perfluorosiloxane coupling agents as interfacial adhesion promoters, chemically bonding and physically entangling the lithium metal with the SEI via the formation of Li-O-Si bonds with the inorganic reactive groups anchoring to the Li substrate and the organic functional groups participating in the formation of the SEI layer, thus binding with its components. Lithium metal batteries modified with silane coupling agents exhibit superior electrochemical performance compared to unmodified lithium metal batteries. The modified lithium metal battery retains a specific capacity of 162 mAh/g after 200 cycles, while the unmodified lithium metal battery only retains 140 mAh/g.