A (LiFePO4-AC)/Li4Ti5O12 hybrid battery capacitor

被引：80
|
作者：
Hu, XueBu [1 ]
Huai, YongJian [1 ]
Lin, ZiJi [1 ]
Suo, JiShuan [1 ]
Deng, ZhengHua [1 ]
机构：
[1] Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Sichuan, Peoples R China
来源：
JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2007年 / 154卷 / 11期
关键词：
D O I：
10.1149/1.2779947
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
In this work, we synthesized a composite cathode material containing LiFePO4 and activated carbon (AC), which is abbreviated as LAC, by a solid-state reaction, and assembled a hybrid battery-capacitor LAC/Li4Ti5O12. The electrochemical performances of the hybrid battery-capacitor LAC/Li4Ti5O12 were characterized by cyclic voltammograms, constant current charge-discharge, rate charge-discharge, and cycle performance testing. The results show the hybrid battery-capacitor LAC/Li4Ti5O12 has advantages of the high rate capability of hybrid capacitor AC/Li4Ti5O12 and the high capacity of battery LiFePO4/Li4Ti5O12. It is also proven that the hybrid battery-capacitor LAC/Li4Ti5O12 is an energy storage device where the capacitor and the secondary battery coexist in one cell system.
引用
收藏
页码：A1026 / A1030
页数：5
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