Effect of fluoroethylene carbonate on the transport property of electrolytes towards Ni-rich Li-ion batteries with high safety.

Chemical Communications : Chem Comm
Salatan DuangdangchoteMontree Sawangphruk

Abstract

Transport phenomena and the solvation structure of lithium ions (Li+) and hexafluorophosphate anions (PF6-) in electrolytes with different fluoroethylene carbonate (FEC) concentrations as well as the electrochemical performance and safety of Ni-rich Li-ion battery cells at the 18650 cylindrical cell level are investigated. We have found that the electrolyte with an optimized FEC concentration (25% v/v) can effectively enhance the transport property in terms of the Li+ transference number and contact ion pair (CIP) ratio leading to high performance and safety of practical 18650 cylindrical LIBs.

References

Mar 1, 2008·Journal of Chemical Theory and Computation·Berk HessErik Lindahl
Feb 24, 2016·The Journal of Physical Chemistry. B·Chang Yun SonArun Yethiraj
Nov 5, 2016·ACS Applied Materials & Interfaces·Yang ShiYu Qiao
Jan 30, 2018·Advanced Science·Donal P FineganPaul R Shearing

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Citations

Jun 29, 2021·ACS Applied Materials & Interfaces·Sangchai SarawutanukulMontree Sawangphruk

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Software Mentioned

GROMACS

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