发明名称 |
Method of preparation of positive electrode material |
摘要 |
A method for preparing a positive electrode material for a lithium-ion or lithium-ion polymer battery to reduce the moisture content of the positive electrode material. A lithiated transition metal oxide positive electrode material having at least one water-containing compound therein is treated to convert the water-containing compound to a water-free compound. One treatment in the method of the present invention involves exposing the positive electrode material at a temperature of 0-650° C. to a CO2-containing gas. The other treatment in the method of the present invention involves heating the positive electrode material to a temperature greater than 250° C. in the presence of an oxygen-containing gas, such as air and/or O2. The treatments may be, performed sequentially or concurrently. |
申请公布号 |
US2005069484(A1) |
申请公布日期 |
2005.03.31 |
申请号 |
US20030675552 |
申请日期 |
2003.09.30 |
申请人 |
MANEV VESSELIN G.;SAHARAN VIJAY P.;CHIA YEE-HO;ROBERTS JEFFREY L. |
发明人 |
MANEV VESSELIN G.;SAHARAN VIJAY P.;CHIA YEE-HO;ROBERTS JEFFREY L. |
分类号 |
C01D15/02;C01D15/08;C01G53/00;H01M4/04;H01M4/52;H01M4/525;H01M6/16;H01M10/0525;H01M10/36;(IPC1-7):C01D1/02;C01G51/04;C01G53/04 |
主分类号 |
C01D15/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|