SnO2-carbon composites for lithium-ion battery anodes

被引:145
|
作者
Read, J [1 ]
Foster, D [1 ]
Wolfenstine, J [1 ]
Behl, W [1 ]
机构
[1] USA, Res Lab, AMSRL SE DC, Adelphi, MD 20783 USA
关键词
lithium-ion; anodes; SnO2; composite; carbon;
D O I
10.1016/S0378-7753(00)00569-3
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
A SnO2-carbon composite prepared by heat treating a mixture of colloidal SnO2 and sucrose demonstrated a reversible lithium storage capacity of 680 mA h/g on the 1st cycle. The discharge curve of the composite did not exhibit the 1.0 V plateau characteristic of SnO2. The high reversible capacity of the composite suggests that lithium is stored in both tin and carbon. The composite demonstrated reduced capacity fade over SnO2 as well as SnO:graphite and Sn:graphite composites. Published by Elsevier Science B.V.
引用
收藏
页码:277 / 281
页数:5
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