2002 Volume 2002 Issue 3 Pages 271-280
Lithium ion can almost reversibly intercalate into or deintercalate from spinel type lithium manganese oxide LiMn2O4. LiMn2O4 is one of the most promising cathode materials for lithium secondary battery because of natural abundance of manganese and its low toxicity to environment. In this paper, the relationship between crystal structure and charge-discharge properties of LiMn2O4 cathode is summarized. Moreover, a part of substitution of manganese with other transition metal brings the improvement of cycle life. We focused on the local structure of the spinels and considered the effect of the local distortion on the cycle life of the spinel cathodes.
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