Charge-discharge mechanism of LiCoPO4 cathode for rechargeable lithium batteries

被引:26
作者
Okada, S
Sawa, S
Uebou, Y
Egashira, M
Yamaki, J
Tabuchi, M
Kobayashi, H
Fukumi, K
Kageyama, H
机构
[1] Kyushu Univ, Inst Mat Chem & Engn, Kasuga, Fukuoka 8168580, Japan
[2] Natl Inst Adv Ind Sci & Technol, Ikeda, Osaka 5638577, Japan
关键词
cathode; olivine; LiCoPO4;
D O I
10.5796/electrochemistry.71.1136
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
The structure of ordered-olivine LiCoPO4 was identified by neutron diffraction measurements. A 4.8 V discharge profile was demonstrated using coin-type cells. XAFS and magnetic measurements indicated that the high-voltage plateau of Li1-xCoPO4 corresponds to the Co2+ /Co3+ redox reaction.
引用
收藏
页码:1136 / 1138
页数:3
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