한국전기화학회

Vol.8, No.4, November 2005

Electrochemical Characteristics of LiNi0.5Mn1.5O4 Spinel as 5 V Class Cathode Material for Lithium Secondary Batteries5V급 고전압 양극 LiNi0.5Mn1.5O4 Spinel의 제조와 전기화학적 특성에 관한 연구: JKES Vol.8, No.4, pp.172~176, November 2005; DOI : 10.5229/JKES.2005.8.4.172

Sang-Hoon Jeon, Si-Hyoung Oh, Byung-Jo Lee, Won-Il Cho, Byung-Won Cho전상훈, 오시형, 이병조, 조원일, 조병원

Battery Research Center, KIST, Seoul 136-791, Korea한국과학기술연구원이차전지연구센터

Recently, many researches on the high-voltage 5 V class cathode material have focused on LiNi0.5Mn1.5O4, where Mn3+ in the existing LiMn2O4 (Li[Mn3+][Mn4+]O4) is replaced by Ni2+ (Li[Ni2+]0.5[Mn4+]1.5O4) in order to utilize Ni2+/Ni4+ redox reaction in the

Keyword : LiNi0.5Mn1.5O4, 5V cathode, Ball-mill, Mechanochemical process.

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JKES

Vol.8, No.4, November 2005