Properties of containing Sn nanoparticles activated carbon fiber for a negative electrode in lithium batteries

被引:91
作者
Egashira, M [1 ]
Takatsuji, H [1 ]
Okada, S [1 ]
Yamaki, J [1 ]
机构
[1] Kyushu Univ, Inst Adv Mat Study, Fukuoka 8168580, Japan
关键词
tin nanoparticle; activated carbon fiber; lithium ion battery;
D O I
10.1016/S0378-7753(01)00980-6
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
Activated carbon fiber (ACF) containing Sn nanoparticles were prepared by impregnation and were investigated as a negative electrode material in lithium batteries. The tin particle size was controlled by selecting an ACF with an adequate surface structure. This Sn/ACF composite cycled versus Li metal showed a first discharge capacity as high as 200 mAh g(-1) e. compared to the pristine ACF which showed only 87 mAh g(-1). Excellent cyclability with these composites was obtained with ACF BET SSA as large as 2000 m(2) g(-)1 and 30 wt.% Sn. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:56 / 60
页数:5
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