한국분말재료학회지 (Journal of Powder Materials)

  • 제19권3호
  • /
  • Pages.182-188
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  • 2012
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  • 2799-8525(pISSN)
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  • 2799-8681(eISSN)
한국분말재료학회 (*구 분말야금학회) (The Korean Powder Metallurgy & Materials Institute)
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Synthesis of Cathode Material-Nickel Sulfides by Mechanical Alloying for Sodium Batteries

  • Liu, Xiaojing (School of Materials Science and Engineering, Gyeongsang National University) ;
  • Ahn, Hyo-Jun (School of Materials Science and Engineering, Gyeongsang National University) ;
  • Ahn, In-Shup (School of Materials Science and Engineering, Gyeongsang National University)
  • 투고 : 2012.02.15
  • 심사 : 2012.03.20
  • 발행 : 2012.06.28
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초록

In this study, fine cathode materials $Ni_3S_2$ and $NiS_2$ were synthesized using the simple, convenient process of mechanical alloying (MA). In order to improve the cell properties, wet milling processes were conducted using low-energy ball milling to decrease the mean particle size of both materials. The cells of Na/$Ni_3S_2$ and Na/$NiS_2$ show a high initial discharge capacity of 425 mAh/g and 577 mAh/g respectively using wet milled powder particles, which is much larger than commercial ones, providing some potential as new cathode materials for rechargeable sodium-ion batteries.

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참고문헌

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