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http://dx.doi.org/10.4150/KPMI.2005.12.3.179

A study on the Active Material FeS2 in Battery Fabricated by Mechanical Alloying  

Jung Woo-Hyun (Division of Advanced Materials Science and Engineering & ITRC, Gyeongsang National University)
Ahn In-Shup (Division of Advanced Materials Science and Engineering & ITRC, Gyeongsang National University)
Ahn Hyo-Jun (Division of Advanced Materials Science and Engineering & ITRC, Gyeongsang National University)
Bae Sung-Yeal (Division of Advanced Materials Science and Engineering & ITRC, Gyeongsang National University)
Sung Tek-Kyoung (Division of Advanced Materials Science and Engineering & ITRC, Gyeongsang National University)
Kim Tae-Bum (Division of Advanced Materials Science and Engineering & ITRC, Gyeongsang National University)
Kim You-Young (Jinju National University)
Publication Information
Journal of Powder Materials / v.12, no.3, 2005 , pp. 179-185 More about this Journal
Abstract
As the electrodes of secondary battery are made with sulfur compounds, excellent electrode system of environmental non-toxicity, high specific energy density and low material cost can be obtained. In this study, the $FeS_2$ fine compound powders for active material in the battery were synthesized by mechanical alloying. Fine Fe-53.5 wt.%S powders of 450 nm of mean size were fabricated by mechanical alloying for 60 hours at the horizontal attritor. As the mechanical alloying time increases, particle size of Fe-53.5 wt.%S was decreased and steady state of Fe-53.5 wt.%S compound powders was obtained at 30 hours. Fe-53.5 wt.%S cathode shows the excellent discharge capacity (1011 mAh/g).
Keywords
Mechanical alloying; Battery; Active materials; Metal sulfide;
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