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

被引：25
|
作者：
Kaur, Aman Preet [1 ]
Casselman, Matthew D. [1 ]
Elliott, Corrine F. [1 ]
Parkin, Sean R. [1 ]
Risko, Chad [1 ,2 ]
Odom, Susan A. [1 ]
机构：
[1] Univ Kentucky, Dept Chem, Lexington, KY 40506 USA
[2] Univ Kentucky, Ctr Appl Energy Res, 3572 Iron Works Pike, Lexington, KY 40511 USA
来源：
JOURNAL OF MATERIALS CHEMISTRY A | 2016年 / 4卷 / 15期
基金：
美国国家科学基金会;
关键词：
REDOX SHUTTLE ADDITIVES; OVERDISCHARGE PROTECTION; CHEMICAL OVERCHARGE; PERFORMANCE; MECHANISMS; CATHOLYTE;
D O I：
10.1039/c5ta10375d
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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.
引用
收藏
页码：5410 / 5414
页数：5
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