Preparation of High Performance Silicon/Carbon Anode Materials for Lithium Ion Battery by High Energy Ball Milling

Abstract:

Silicon/carbon anode materials of different proportions for lithium ion battery were prepared by high energy ball milling. The composites were characterized using X-ray diffraction (XRD), and scanning electron microscope (SEM). The electrochemical performance of the composites was tested by means of galvanostatic testing system. The results indicated that the initial reversible capacity reached to 2162 mAh•g^-1, which was much larger than the theoretical capacity of carbon negative materials at the ratio of 6:4 (Si: C). The capacity maintained to 1042 mAh•g^-1 after 50 cycles. High capacity and good cycle property of the Si/C composites revealed that they were potential to take the place of the traditional carbon anode materials.

• Periodical: Advanced Materials Research (Volumes 602-604)
• Pages: 1050-1053
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.602-604.1050
• Online since: December 2012
• Authors: Ling Long Kong, Jie Zhao, Zhi Yuan Wang, Lei Li, Ning Xu, Xu Ma
• Keywords: Anode Material, High Energy Ball Milling, Lithium-Ion Battery, Silicon/carbon

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