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The Scientific World Journal
Volume 2014 (2014), Article ID 528496, 7 pages
Research Article

Electrochemical Properties of Chemically Processed as Coating Material in Lithium-Ion Batteries with Si Anode

1Institute/Faculty of Nanotechnology & Advanced Materials Engineering, Sejong University, Seoul 143-747, Republic of Korea
2Department of Environmental Engineering, Sunchon National University, Suncheon, Jeonnam 540-742, Republic of Korea
3Department of Metallurgical and Materials Engineering, Inha Technical College, Incheon 402-751, Republic of Korea

Received 7 April 2014; Revised 24 May 2014; Accepted 3 June 2014; Published 22 June 2014

Academic Editor: Dengsong Zhang

Copyright © 2014 Hee-June Jeong et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A coating material for Si anode in lithium-ion battery was processed by using SiCl4 and ethylene glycol. The produced particles after heat treatment at 725°C for 1 h were porous and irregularly shaped with amorphous structure. Pitch carbon added to was found to strongly affect solid electrolyte interphase stabilization and cyclic stability. When mixed with an optimal amount of 30 wt% pitch carbon, the showed a high charge/discharge cyclic stability of about 97% for the 2nd to the 50th cycle. The initial specific capacity of the was measured to be 1401 mAh/g. On the basis of the evaluation of the coating material, the process utilized in this study is considered an efficient method to produce with high performance in an economical way.