All carbon nanotubes and freestanding air electrodes for rechargeable Li-air batteries

被引：22
|
作者：
Wang, Hui [1 ]
Xie, Kai [1 ]
Wang, Linyan [1 ]
Han, Yu [1 ]
机构：
[1] Natl Univ Def Technol, Dept Mat Engn & Appl Chem, Changsha 410073, Hunan, Peoples R China
来源：
RSC ADVANCES | 2013年 / 3卷 / 22期
关键词：
LITHIUM-OXYGEN BATTERIES; LI/AIR BATTERIES; CATHODE; POROSITY;
D O I：
10.1039/c3ra40659h
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
All carbon nanotubes (CNTs) and freestanding air electrodes are prepared via a facile impregnation method and are used as air cathodes for nonaqueous Li-air batteries. The all CNT electrodes deliver a high discharge capacity, high discharge plateau and good rate performance. The improved cycle performance is also achieved by controlling the discharge depth. The excellent performance is attributed to the great amount of active O-2 absorption sites and sufficient volume for product deposition that are formed by CNTs.
引用
收藏
页码：8236 / 8241
页数：6
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