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Hydrothermal Synthesis of Carbon Micro-Particles and Their Electrochemical Performance as Anode Materials for Lithium Ion Batteries
Corresponding Author(s) : Zhijun Yan
Asian Journal of Chemistry,
Vol. 25 No. 6 (2013): Vol 25 Issue 6
Abstract
Carbon micro-particles with smooth surface and sphere shape were prepared through a facile hydrothermal method using b-cyclodextrin as carbon source. Galvanostatic charge-discharge method was used to investigate the electrochemical performance of carbon micro-particles. The results showed that carbon micro-particle anode exhibited an initial discharge capacity of 571 mAh/g and a reversible capacity above 345 mAh/g after 50 cycles. The good performance for the carbon micro-particles can be attributed to the smooth surface of the carbon spheres, which is advantageous for the formation of good and efficient passivation layers. This electrode material has promising applications in lithium ion batteries.
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Y.P. Wu, E. Rahm and R. Holze, J. Power Sources, 114, 228 (2003).
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Z.H. Yi, Y.G. Liang, X.F. Lei, C.W. Wang and J.T. Sun, Mater. Lett., 61, 4199 (2007).
Y. Zhang, F. Zhang, G.D. Li and J.S. Chen, Mater. Lett., 61, 5209 (2007).
H. Göktepe, H. Sahan and S. Patat, Asian J. Chem., 21, 3186 (2009).
X. Sun and Y. Li, Angew. Chem. Int. Ed., 43, 597 (2004).
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