Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference (한국전기전자재료학회:학술대회논문집)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Electrochemical Properties of $LiMnO_2$ Cathode as a Function of Addition of Electric Active Materials for Lithium Polymer Batteries

리튬 폴리머 전지용 $LiMnO_2$정극의 도전재에 따른 전기 화학적 특성

  • 조영재 (전남대학교 전기공학과) ;
  • 김종욱 (전북대학교 전자정보사업단) ;
  • 구할본 (전남대학교 전기공학과)
  • Published : 2001.07.01
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Abstract

The properties of LiMnO$_2$ was studied as a cathode active material for lithium polymer batteries. LiMnO$_2$ cathode active materials were synthesized by the reaction of LiOH . $H_2O$ and Mn$_2$O$_3$at various temperature under argon atmosphere. For lithium polymer battery applications, the LiMnO$_2$cell was characterized electrochemically by charge-discharge experiments and a.c. impedance spectroscopy. And the relationship between the characteristics of powders and electrochemical properties was studied in this research. A maximum discharge capacity of 160-170 mAh/g for ο-LiMnO$_2$ cell was achieved. Used that SP270 as electric active material in LiMnO$_2$, it is excellent than property of electric active material used Acetylene black or KS6 at charge/discharge capacity.

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