대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

리튬 2차전지용 $LiMn_2O_4$ 양극의 충.방전 특성

Charge.discharge characteristics of cathode for Li rechargeable batteries

  • 한태희 (전북대학교 전기공학과) ;
  • 임성훈 (전북대학교 전기공학과) ;
  • 조동언 (전북대학교 전기공학과) ;
  • 최명호 (전북대학교 전기공학과) ;
  • 강형곤 (전북대학교 전기공학과) ;
  • 한병성 (전북대학교 전기공학과)
  • Han, Tae-Hee (Dept. of Electrical Eng. Chon Buk National University) ;
  • Lim, Sung-Hun (Dept. of Electrical Eng. Chon Buk National University) ;
  • Cho, Dong-Eon (Dept. of Electrical Eng. Chon Buk National University) ;
  • Choi, Myung-Ho (Dept. of Electrical Eng. Chon Buk National University) ;
  • Kang, Hyeong-Gon (Dept. of Electrical Eng. Chon Buk National University) ;
  • Han, Byung-Sung (Dept. of Electrical Eng. Chon Buk National University)
  • 발행 : 1997.07.21
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초록

The spinel $LiMn_2O_4$ has been synthesized by solid-state reaction. $LiMn_2O_4$ which includes 3 mix $Li_2CO_3$ or $LiNO_3$ and $MnO_2$ prepared by Prelim heating at $350^{\circ}C$ for 24hr. $LiMn_2O_4$ fired at temp range from $600^{\circ}C$ to $800^{\circ}C$ for 48hr. The structure a electrochemical characteristics of spinel $LiMn_2O_2$ wh fabricated by changing sintering condition from st materials are investigated. The spinel $LiMn_2O_4$ prepared by the mixture of L CMD at $800^{\circ}C$ for 48hr showed an initial charge ca of 146mAh/g. The spinel $LiMn_2O_4$ prepared by the m of $LiNO_3$/CMD at $600{\sim}800^{\circ}C$ for 48hr stabilized ch discharge capacity after 50th cycles.

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