한국전기화학회

Vol.8, No.2, May 2005

Improvement of Structure and Electrochemical Properties of LiNi0.5Mn1.5O4 for High Voltage Class Cathode Material by Cr SubstitutionCr 치환을 이용한 고전압용 양극 활물질 LiNi0.5Mn1.5O4의 구조와 전기화학적 성능의 개선: JKES Vol.8, No.2, pp.82~87, May 2005; DOI : 10.5229/JKES.2005.8.2.082

Won Sob Eom, Yool Koo Kim, Won Il Cho, and Ho Jang엄원섭·김율구·조원일·장 호

Department of Advanced Materials Engineering, College of Engineering, Korea unversity, 5-1, Anam-dong, Seongbuk-gu, Seoul 136-713, South Korea Eco-Nano Research Center, Korea Institute of Science and Technology, 39-1, Hawolgok-dong, Seongbuk-gu, Seoul 136고려대학교공과대학신소재공학과 한국과학기술연구원나노환경센터

The cathode material, LiNi0.5Mn1.5O4, for high voltage applications of Li-ion batteries exhibits impurity phases due to oxygen deficiency during the high temperature heat treatment. The impurity phase reduces the electrochemical properties of the electrod

Keyword : LiNi0.5Mn1.5O4, oxygen deficiency, Impurity phase, Chromium substitution

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JKES

Vol.8, No.2, May 2005