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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 11    No. 6    December 2001

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Lithium-ion-storage behaviours of
CoSb3 intermetallic compound
and effects of some carbonaceous additives
JIANG Xiao-bing(蒋小兵), ZHAO Xin-bing(赵新兵), ZHANG Xiao-bin(张孝彬),
ZHANG Li-juan(张丽娟), CAO Gao-shao(曹高劭), ZHOU Bang-chang(周邦昌)

Department of materials science and Engineering,
Zhejiang University,Hangzhou 310027, P.R.China

Abstract: Intermetallic compound CoSb3 powders were prepared by vacuum melting and ball-milling. It is found that the reversible capacity of the CoSb3 electrode is about 470mA·h/g at the first cycle with the potential plateaus from 0.8V to 1.0V against the pure lithium electrode. 10% mesocarbon microbead (MCMB) (mass fraction) additives can improve both capacity and cycling life of CoSb3, while the effect of carbon nanotube (CNT) additives is not visible.

 

Key words:  lithium ion battery; anode materials; CoSb3; intermetallic compound; electrochemical property

ISSN 1672-7029
CN 43-1423/U

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