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Issue 15, 2016
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Overcharge protection of lithium-ion batteries above 4 V with a perfluorinated phenothiazine derivative

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Abstract

Electron-withdrawing substituents are introduced onto the phenothiazine core to raise its oxidation potential for use as a redox shuttle in high-voltage lithium-ion batteries. A perfluorinated derivative oxidizes at 4.3 V vs. Li+/0, and functions for ca. 500 h of 100% overcharge in LiNi0.8Co0.15Al0.05O2/graphite coin cells at a charging rate of C/10.

Graphical abstract: Overcharge protection of lithium-ion batteries above 4 V with a perfluorinated phenothiazine derivative

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Publication details

The article was received on 17 Dec 2015, accepted on 10 Mar 2016 and first published on 10 Mar 2016


Article type: Communication
DOI: 10.1039/C5TA10375D
J. Mater. Chem. A, 2016,4, 5410-5414

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    Overcharge protection of lithium-ion batteries above 4 V with a perfluorinated phenothiazine derivative

    A. P. Kaur, M. D. Casselman, C. F. Elliott, S. R. Parkin, C. Risko and S. A. Odom, J. Mater. Chem. A, 2016, 4, 5410
    DOI: 10.1039/C5TA10375D

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