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HomeMaterials Science ForumMaterials Science Forum Vols. 809-810Si/SiO2 Composite Negative Electrode Material for...

Si/SiO₂ Composite Negative Electrode Material for Lithium Ion Batteries

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Abstract:

As lithium-ion battery anode materials, silicon has the highest specific capacity. In order to restrain pure silicon’s serious volume change and enhance its electrochemical performance, Si/SiO₂ composites were prepared by using a convenient high energy ball-milling technique. The characteristics of the composites as anode material for rechargeable lithium-ion batteries were investigated by X-ray diffraction and scanning electron microscopy methods. The electrochemical performance of the anode material was studied, and it was found the composite anode had a high capacity of 1333 mAhg^-1 in the first cycle and 400 mAhg^-1 could still be obtained after 46 cycles. Such prepared materials displayed improved cycle life.

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2014 China Functional Materials Technology and Industry Forum

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Periodical:

Materials Science Forum (Volumes 809-810)

Pages:

781-786

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.809-810.781

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Online since:

December 2014

Authors:

Min Liu, Na Zhang, Feng Hui Zhao, Xiao Qin Zhao, Ke Chen, Ning Yang, Dun Liu, Yong Chen*

Keywords:

Anode Materials, Electrochemical Performance, Lithium-Ion Battery, Si/SiO₂ Composites

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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