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

한국전기전자재료학회 (The Korean Institute of Electrical and Electronic Material Engineers)
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실리콘 재료의 표면개질에 따른 리튬이차전지 음극 특성

Electrochemical Properties of Surface-Modified Silicon as Anode for Lithium Secondary Batteries

  • 박철완 (한국전기연구원, 재료응용연구단, 전지연구그룹) ;
  • 도칠훈 (한국전기연구원, 재료응용연구단, 전지연구그룹) ;
  • 문성인 (한국전기연구원, 재료응용연구단, 전지연구그룹) ;
  • 윤문수 (한국전기연구원, 재료응용연구단, 전지연구그룹)
  • Park, Cheol-Wan (Battery Research Group, Korea Electrotechnology Research Institute) ;
  • Doh, Chil-Hoon (Battery Research Group, Korea Electrotechnology Research Institute) ;
  • Moon, Seong-In (Battery Research Group, Korea Electrotechnology Research Institute) ;
  • Yun, Mun-Soo (Battery Research Group, Korea Electrotechnology Research Institute)
  • 발행 : 2003.11.13
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초록

Silicon has been developed as an alternate anode material for lithium secondary batteries. A simple approach to improve the electrical contact of silicon powder has described. Carbon-coated and silver-coated silicon have been prepared by chemical vapor deposition and electroless plating respectively. Assembled cells, which consisted of surface modified silicon, lithium foil and $Li^+$ contained organic electrolyte, have been studied using electrochemical methods. Carbon-coated silicon was improved in the electrochemical performance such as reversibility and resistance compared to surface-unmodified silicon.

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