Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Performance of Graphite Electrode Modified with Acid Treatment for Lithium Ion Secondary Battery

산처리에 의해 개질된 리튬이온 이차전지용 흑연 전극의 특성

  • Kim, Myung-Soo (Department of Chemical Engineering, Myongji University) ;
  • Moon, Seung-Hwan (Department of Chemical Engineering, Myongji University) ;
  • Kim, Mun-Geol (Department of Chemical Engineering, Myongji University) ;
  • Kim, Taek-Rae (Department of Chemical Engineering, Myongji University) ;
  • Hahm, Hyun-Sik (Department of Chemical Engineering, Myongji University) ;
  • Park, Hong-Soo (Department of Chemical Engineering, Myongji University)
  • 김명수 (명지대학교 공과대학 화학공학과) ;
  • 문승환 (명지대학교 공과대학 화학공학과) ;
  • 김문걸 (명지대학교 공과대학 화학공학과) ;
  • 김택래 (명지대학교 공과대학 화학공학과) ;
  • 함현식 (명지대학교 공과대학 화학공학과) ;
  • 박홍수 (명지대학교 공과대학 화학공학과)
  • Published : 2005.06.30
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Abstract

The natural graphite particles A and heat-treated graphite particles B at $1800\;^{\circ}C$ after pitch-coating were used as the anode base materials for lithium ion secondary battery. In order to improve the performance of anode materials, the base anode materials were treated with various acids. With the acid treatments of 62% $HNO_3$ and 95% $H_2SO_4$ aqueous solution, the specific surface area and electrical conductivity of base anode materials were increased, and the initial charge-discharge capacity and cycle performance were improved due to the elimination of structural defects.

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References

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