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Acta Phys. -Chim. Sin.  2002, Vol. 18 Issue (02): 180-182    DOI: 10.3866/PKU.WHXB20020218
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pyrolytic Carbon Coated Graphite Anode for Lithium Ion Battery
Chen Ji-Tao;Zhou Heng-Hui;Chang Wen-Bao;Ci Yun-Xiang
College of Chemistry and Molecular Engineering, Peking University,Beijing 100871
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Abstract  Carbon-coated natural graphite has been prepared by mixing graphite particles with benzene-naphthalene copolymer and thermaly treating the mixture under a nitrogen gas flow. The coated natural graphite showed about 10%higher reversible capacity and about 7% lower irreversible capacity as an anode material for lithium ion battery with pristine graphite. The cycling behavior of graphite was also improved after being coated. The X-ray diffraction (XRD) results showed that the rhombohedral phase fraction of natural graphite increased after being coated.

Key wordsLithium ion battery      Anode material      Coated natural graphite            
Received: 16 August 2001      Published: 15 February 2002
Corresponding Authors: Chang Wen-Bao     E-mail: dxhx@chem.pku.edu.cn
Cite this article:

Chen Ji-Tao;Zhou Heng-Hui;Chang Wen-Bao;Ci Yun-Xiang. pyrolytic Carbon Coated Graphite Anode for Lithium Ion Battery. Acta Phys. -Chim. Sin., 2002, 18(02): 180-182.

URL:

http://www.whxb.pku.edu.cn/10.3866/PKU.WHXB20020218     OR     http://www.whxb.pku.edu.cn/Y2002/V18/I02/180

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