| 发明名称 |
Method of preparing layered lithium-chromium-manganese oxides for lithium batteries |
| 摘要 |
A method of preparing layered lithium-chromium-manganese oxides having the formula Li[Cr<SUB>x</SUB>Li<SUB>(1/3-x/3) </SUB>Mn<SUB>(2/3-2x/3)</SUB>]O<SUB>2 </SUB>where 0.1<=X<=0.5 for lithium batteries. Homogeneous precipitation is prepared by adding lithium hydroxide (LiOH) solution to a mixed solution of chromium acetate (Cr<SUB>3</SUB>(OH)<SUB>2</SUB>(CH<SUB>3</SUB>CO<SUB>2</SUB>)<SUB>7</SUB>) and manganese acetate ((CH<SUB>3</SUB>CO<SUB>2</SUB>)<SUB>2</SUB>Mn.4H<SUB>2</SUB>O), while precursor powders are prepared by firing the precipitation. After that, the precursor powders are subjected to two heat treatment to yield Li[Cr<SUB>x</SUB>Li<SUB>(1/3-x/3) </SUB>Mn<SUB>(2/3-2x/3)</SUB>]O<SUB>2 </SUB>with alpha-LiFeO<SUB>2 </SUB>structure.
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| 申请公布号 |
US6908708(B2) |
申请公布日期 |
2005.06.21 |
| 申请号 |
US20030648614 |
申请日期 |
2003.08.25 |
| 申请人 |
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE |
发明人 |
WU XIANGLAN;PARK YONG JOON;RYU KWANG SUN;CHANG SOON HO;HONG YOUNG-SIK |
| 分类号 |
H01M4/04;C01G45/00;H01M4/02;H01M4/50;H01M4/58;H01M10/36;H01M10/40;(IPC1-7):H01M4/50;C01G37/14;C01G45/12;C01D15/00 |
主分类号 |
H01M4/04 |
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