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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 16    No. 1    February 2006

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Electrochemical behavior and morphology of
LiB compound anode materials
LIU Zhi-jian(刘志坚)1, YIN Jian(尹 健)1, MENG Zhen-qiang(孟振强)1,
CHONG Jin(种 晋)1, 2, ZHOU De-bi(周德壁)3

1. State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China;
2. School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China;
3. Tianjin Institute of Power Sources, Tianjin 300381, China

Abstract:Electrochemical behavior of LiB compound in LiPF6-DMC/EMC/EC was studied. And morphology of the compound was investigated by SEM. The results show that there are three discharge potential plateaus for the LiB compound, corresponding to 0.46, 0.69 and 0.8 V (vs Li+/Li) respectively, its total discharge specific capacity is up to 660 mA•h/g, only first two potential plateau can be charged, its specific capacity is 274 mA•h/g. After discharging, the morphology of the Li compound is still fibrous shape.

 

Key words: LiB compound; electrochemical behavior; morphology; discharge; anode

ISSN 1672-7029
CN 43-1423/U

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