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Synthesis of Sn-GIC for Carbon Electrode of Lithium Ion Battery and Its Electrochemical Characteristics  

Um, Eui-Heum (Department of Chemical Engineering, Dankook University)
Lee, Taeck-Young (Department of Chemical Engineering, Dankook University)
Lee, Chul-Tae (Department of Chemical Engineering, Dankook University)
Publication Information
Applied Chemistry for Engineering / v.18, no.5, 2007 , pp. 449-453 More about this Journal
Abstract
Synthesis of Sn-GIC (Graphite intercalated compound) and its electrochemical characteristics were investigated to find a method for enhancing the performance of carbon anode of lithium ion battery. The content of Sn intercalated in graphite interlayer increased with increase of concentration of $SnCl_2$ solution and increase of the heat treatment temperature of dried graphite after dipped in $SnCl_2$ solution, respectively. And initial discharge capacity increased upon increase of intercalated Sn content. Sn-GIC with excellent electrochemical performance, which can be synthesized by heat treatment at $900^{\circ}C$ after dipped in 1.0 M $SnCl_2$ solution, showed 356 mAh/g of initial discharge capacity and 13% of capacity decay after 10 cycles.
Keywords
lithium battery; carbon electrode; graphite intercalated compound;
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