Korean Journal of Materials Research (한국재료학회지)

Materials Research Society of Korea (한국재료학회)
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Fabrication and Electrochemical Characterization of All Solid State Rechargeable Li-Mn Oxide Batteries

리튬-망간 산화물을 이용한 전고상 이차 전지의 제작 및 전기화학적 특성

  • Park, Young-Sin (School of Materials Science and Engineering, Seoul National School) ;
  • Sin, Jin-Wook (School of Materials Science and Engineering, Seoul National School) ;
  • Lee, Byung-Il (School of Materials Science and Engineering, Seoul National School) ;
  • Joo, Seung-Ki (School of Materials Science and Engineering, Seoul National School)
  • 박영신 (서울대학교 재료공학부) ;
  • 신진욱 (서울대학교 재료공학부) ;
  • 이병일 (서울대학교 재료공학부) ;
  • 주승기 (서울대학교 재료공학부)
  • Published : 1998.04.01
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Abstract

All solid state lithium based rechargeable batteries were fabricated in a cell structure of Li/PEO-$LiCIO_4$-PC /$LIMn_2O_4$$LIMn_2O_4$ thin films were prepared by RF magnetron sputtering and the spinel structure could be obtained by Rapid Thermal Annealing (RT A) process at the temperature of around 750$750^{\circ}C$ . Room temperature cycling of this cell showed a nearly constant cell potential of 4 V( us. Li) and good reversibility.

재충전이 가능한 Li/PEO-$LiClO_{4}$-PC/$LIMn_2O_4$구조의 전고상 전지를 제작하였다. $LIMn_2O_4$박막은 RF 마그네트론 스퍼터링 법으로 제작하였으며, $750^{\circ}C$ 부근에서의 급속열처리를 통하여 스피넬 상으로 결정화시킬 수 있었다. 상온 충.방전 시험을 행한 결과, 평균 전압 4V(vs. Li)의 평탄한 방전 전압과 우수한 재충전 능력을 나타내었다.

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