Improving rate capabilities of hybrid supercapacitor using Li4Ti5-xZrxO12/activated carbon

被引：0
作者：
Lee, Seung-Hwan [1 ]
Jeoung, Tae-Hoon [2 ]
Nam, Sung-Pill [2 ]
Im, In-Ho [3 ]
机构：
[1] Univ Maryland, Ctr Adv Life Cycle Engn, Room 1103,Bldg 89, College Pk, MD 20742 USA
[2] Korea Electrotechnol Res Inst, Adv Power Grid Res Div, Gyeongsangnam Do, South Korea
[3] Shin Ansan Univ, Dept Elect Engn, Ansan, South Korea
来源：
JOURNAL OF CERAMIC PROCESSING RESEARCH | 2016年 / 17卷 / 03期
关键词：
Hybrid supercapacitor; Li4Ti5O12; Zr Doping; Power and energy densities; DOPED LITHIUM TITANATE; ANODE MATERIAL; ELECTROCHEMICAL PERFORMANCE; ACTIVATED CARBON; LI4TI5O12; BATTERIES; SPINEL; ENERGY; POWER; CONDUCTIVITY;
D O I：
暂无
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The Li4Ti5-xZrxO12 (x = 0, 0.15, 0.3, 0.45 and 0.6) anodes were prepared using a simple solid-state method. We investigated the electrochemical performance of hybrid supercapacitor using Zr4+ doped Li4Ti5O12 anode and activated carbon cathode. When Zr entered Li4Ti5O12, the higher lattice parameters and conductivities of Li4Ti5-xZrxO12 (x = 0.15, 0.3, and 0.45) obviously improved the electrochemical performance of hybrid supercapacitor. Among them, the Li4Ti4.55Zr0.45O12 anode has a superior specific capacitance of 69 Fg(-1) at 0.5 Ag-1 rates. Also, the power and energy densities were 212.3W kg(-1) and 65.2Wh kg(-1), respectively.
引用
收藏
页码：139 / 143
页数：5
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