Journal of the Korean Electrochemical Society (전기화학회지)

The Korean Electrochemical Society (한국전기화학회)
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Effect of Preparation Parameters of Sulfur Cathodes on Electrochemical Properties of Lithium Sulfur Battery

  • Zhao, Xiaohui (Department of Chemical and Biological Engineering and Engineering Research Institute, Gyeongsang National University) ;
  • Kim, Dul-Sun (Department of Chemical and Biological Engineering and Engineering Research Institute, Gyeongsang National University) ;
  • Ahn, Hyo-Jun (School of Materials Science and Engineering, Gyeongsang National University) ;
  • Kim, Ki-Won (School of Materials Science and Engineering, Gyeongsang National University) ;
  • Jin, Chang-Soo (Korea Institute of Energy Research) ;
  • Ahn, Jou-Hyeon (Department of Chemical and Biological Engineering and Engineering Research Institute, Gyeongsang National University)
  • Received : 2010.06.23
  • Accepted : 2010.08.23
  • Published : 2010.08.28
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Abstract

Sulfur cathodes were prepared by ball milling method with different types of electronic conductors and binders in different ball milling time. The sulfur cell with a cathode prepared in 45 min ball milling time gave an initial discharge capacity of 794mAh/g with Super-P as an electronic conductor and poly(vinylidene fluoride) as a binder. The cathode with multi-walled carbon nanotube as an electronic conductor showed an initial discharge capacity of 944 mAh/g and a discharge capacity of 300 mAh/g after 20 cycles. Cathodes with poly(ethylene oxide) and poly(vinylidene fluoride) as binders showed different cycle performance.

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References

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