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http://dx.doi.org/10.5229/JKES.2011.14.1.016

Electrochemical Characteristics of Sn Added Li4Ti5O12 as an Anode Material  

Jeong, Choong-Hoon (Department of Chemical Engineering, Chungbuk National University)
Kim, Sun-Ah (Department of Chemical Engineering, Chungbuk National University)
Cho, Byung-Won (Battery Research Center, KIST)
Na, Byung-Ki (Department of Chemical Engineering, Chungbuk National University)
Publication Information
Journal of the Korean Electrochemical Society / v.14, no.1, 2011 , pp. 16-21 More about this Journal
Abstract
$Li_4Sn_xTi_{5-x}O_{12}$ was manufactured by high energy ball milling (HEBM) and used as an anode material for lithium ion battery. Various amount of $SnO_2$was added to $Li_4Ti_5O_{12}$ and heated at different temperatures. The purpose of this research was to see the effect of $SnO_2$ addition into $Li_4Ti_5O_{12}$. Manufactured samples were analyzed by TGA, XRD, SEM, PSA. Battery cycler was used to test the charge/discharge properties of active materials. Heat treatment temperature of $800^{\circ}C$ was needed to make a stable structure of $Li_4Sn_xTi_{5-x}O_{12}$ and the particle size distribution was $0.2{\sim}0.6\;{\mu}m$. Charge/discharge process was repeated for 50 cycles at room temperature. The initial capacity was 168mAh/g and the voltage plateau was observed at 1.55V(Li/$Li^+$).
Keywords
Lithium ion battery; Lithium titanium oxide; Tin oxide; $Li_4Sn_xTi_{5-x}O_{12}$;
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Times Cited By KSCI : 2  (Citation Analysis)
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