Abstract
LiCoO2 and LiMn2O4 particles were prepared in supercritical water under optimized preparation conditions using a flow type cell. The preparation of these oxides was finished within 30 sec. LiCoO2 and LiMn2O4 particles prepared in this study have less than 1.0 μm diameter. These particles exhibited a hexagonal shape. Electron diffraction patterns for LiCoO2 and LiMn2O4 hexagonal particles did not show any rings, indicating that the both particles prepared in this study has a nature of single crystal. The discharge and charge characteristics of the LiCoO2 were good for battery applications. However, the discharge capacity of LiMn2O4 was small due to a presence of large amount impurity phases. On the other hand, the reversibility of discharge and charge processes is extremely high, compared with an ordinary LiMn2O4.
Original language | English |
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Pages (from-to) | 147-150 |
Number of pages | 4 |
Journal | Key Engineering Materials |
Issue number | 181-182 |
Publication status | Published - 2000 Jan 1 |
Keywords
- LiCoO
- LiMnO
- Rechargeable Lithium Battery
- Supercritical Water
ASJC Scopus subject areas
- Materials Science(all)
- Mechanics of Materials
- Mechanical Engineering