A study on the Active Material FeS<sub>2</sub> 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

doi:10.4150/KPMI.2005.12.3.179

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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; 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 &?????????????????????????????

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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).

Keywords: Mechanical alloying;Battery;Active materials;Metal sulfide;

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Synthesis of Cathode Materials Fe-Doped NiS₂ by Mechanical Alloying for Li/NiS₂ Cells
Xiao Jing Liu, Dong Wook Park, Zhe Zhu Xu, Sang Dae Kang, In Shup Ahn, Hyo Jun Ahn
Advanced Materials Research.2011; 287-290: 1428. CrossRef
Synthesis of Nickel-Coated FeS₂ Particles as Active Material for Li/FeS₂ Cell by Mechanical Alloying
Xiao Jing Liu, Sang Dae Kang, Zhe Zhu Xu, In Shup Ahn
Materials Science Forum.2010; 658: 77. CrossRef
Electrochemical characteristics of Na/FeS2 battery by mechanical alloying
T.B. Kim, W.H. Jung, H.S. Ryu, K.W. Kim, J.H. Ahn, K.K. Cho, G.B. Cho, T.H. Nam, I.S. Ahn, H.J. Ahn
Journal of Alloys and Compounds.2008; 449(1-2): 304. CrossRef
Characteristics of (Fe, M)S₂ (M=Co, Ni, Mo) Composite Powders Fabricated by MCP
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