Nanochain LiMn2O4 as ultra-fast cathode material for aqueous rechargeable lithium batteries

被引：120
|
作者：
Tang, W. [2 ,3 ,4 ]
Tian, S. [2 ,3 ]
Liu, L. L. [2 ,3 ]
Li, L. [2 ,3 ]
Zhang, H. P. [1 ]
Yue, Y. B. [4 ]
Bai, Y. [4 ]
Wu, Y. P. [2 ,3 ]
Zhu, K. [4 ]
机构：
[1] Changzhou Univ, Coll Chem, Changzhou, Jiangsu Prov, Peoples R China
[2] Fudan Univ, NEML, Dept Chem, Shanghai 200433, Peoples R China
[3] Fudan Univ, Shanghai Key Lab Mol Catalysis & Innovat Mat, Shanghai 200433, Peoples R China
[4] Shanghai Acad Spaceflight Technol, Shanghai Inst Space Power Sources SISP, Shanghai 200233, Peoples R China
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2011年 / 13卷 / 02期
关键词：
Aqueous rechargeable lithium battery (ARLB); Cathode; LiMn2O4; Nanochain; Ultra-fast; Charge capability; ELECTROCHEMICAL PERFORMANCE; HIGH-POWER; BEHAVIOR; LI2SO4; CARBON; LICOO2;
D O I：
10.1016/j.elecom.2010.12.015
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Nanochain LiMn2O4 was prepared by a starch-assisted sol-gel method. Its electrochemical behavior as a cathode material for aqueous rechargeable lithium batteries (ARLBs) was characterized by cyclic voltaammograph, capacity measurement and cycling test. Results show that the nanochain LiMn2O4 has an ultra-fast charge capability. It presents a reversible capacity of 110 mAh/g at 4.5 C and 95 mAh/g even at 91 C in 0.5 mol/l Li2SO4 aqueous electrolyte. When charged at 136 C, 84% capacity could be obtained. In addition, its cycling behavior is also very good. After 200 cycles at 4.5 C, there is no evident capacity fading. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：205 / 208
页数：4
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