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A fluorine-substituted pyrrolidinium-based ionic liquid for high-voltage Li-ion batteries

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Abstract

A fluorine-substituted ionic liquid based on a pyrrolidinium cation and a bis(fluorosulfonyl)imide anion was synthesized using a facile one-step reaction. The resulting ionic liquid is highly pure and when dissolved with LiFSI, the IL-based electrolyte showed good compatibility both in Li and graphite anodes, and superior voltage stability is demonstrated in a LiNi0.5Mn0.3Co0.2O2 cell.

Graphical abstract: A fluorine-substituted pyrrolidinium-based ionic liquid for high-voltage Li-ion batteries

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Article information


Submitted
25 Mar 2020
Accepted
21 May 2020
First published
21 May 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

A fluorine-substituted pyrrolidinium-based ionic liquid for high-voltage Li-ion batteries

Q. Liu, C. Hsu, T. L. Dzwiniel, K. Z. Pupek and Z. Zhang, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC02184A

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