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- A study on the Active Material FeS2 in Battery Fabricated by Mechanical Alloying
- Woo-Hyun Jung, In-Shup Ahn, Hyo-Jun Ahn, Sung-Yeal Bae, Tek-Kyoung Sung, Tae-Bum Kim, You-Young Kim
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Journal of Korean Powder Metallurgy Institute 2005;12(3):179-185
DOI: https://doi.org/10.4150/KPMI.2005.12.3.179
1Division of Advanced Materials Science and Engineering & ITRC, Gyeongsang National University
2Division of Advanced Materials Science and Engineering & ITRC, Gyeongsang National University
3Division of Advanced Materials Science and Engineering & ITRC, Gyeongsang National University
4Division of Advanced Materials Science and Engineering & ITRC, Gyeongsang National University
5Division of Advanced Materials Science and Engineering & ITRC, Gyeongsang National University
6Division of Advanced Materials Science and Engineering &?????????????????????????????
2Division of Advanced Materials Science and Engineering & ITRC, Gyeongsang National University
3Division of Advanced Materials Science and Engineering & ITRC, Gyeongsang National University
4Division of Advanced Materials Science and Engineering & ITRC, Gyeongsang National University
5Division of Advanced Materials Science and Engineering & ITRC, Gyeongsang National University
6Division of Advanced Materials Science and Engineering &?????????????????????????????
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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).
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