Hydrothermal synthesis of lithium manganese oxide with α-NaFeO2 structure

被引：1

作者：

Nakano, H ^{[1
]}

Okuda, C ^{[1
]}

Ukyo, Y ^{[1
]}

机构：

[1] Toyota Cent Res & Dev Labs Inc, Aichi 4801192, Japan

来源：

JOURNAL OF THE CERAMIC SOCIETY OF JAPAN | 2001年 / 109卷 / 11期

关键词：

hydrothermal synthesis; lithium manganese oxide; layered structure; lithium ion battery; cathode;

D O I：

10.2109/jcersj.109.1275_974

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Hydrothermal synthesis of lithium manganese oxide with alpha -NaFeO2 structure has been studied. A LixMnO2. nH(2)O, (Li-birnessite), with rhombohedral symmetry was used as a starting material. When the molar ratio of Mn/Al was smaller than 0.9/0.1, spinel type lithium manganese oxides were obtained. On the other hand, when the molar ratio of Mn/Al was larger than 0.85/0.15, metastable lithium manganese oxides with alpha -NaFeO2 structure formed at 80 degreesC, and the capacity fade of the Li-ion cell with cathodes made of these oxides was very small in comparison with that of cathodes made of layered Li-manganese oxides, as previously reported.

引用

页码：974 / 977

页数：4

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