| 发明名称 |
PRODUCTION METHOD OF BATTERY ACTIVE MATERIAL, BATTERY ACTIVE MATERIAL, NONAQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK |
| 摘要 |
A production method of a battery active material of the present embodiment includes a step of obtaining a coprecipitated product containing Ti and Nb by mixing a solution with a pH of 5 or lower, in which a Ti compound is dissolved, and a solution with a pH of 5 or lower, in which a Nb compound is dissolved, such that molar ratio of Ti and Nb (Nb/Ti) is adjusted within a range of 1≦Nb/Ti≦28, and then further mixing with an alkali solution with a pH of 8 or higher; and a step of burning the coprecipitated product under condition of 635° C. or higher and 1200° C. or lower. |
| 申请公布号 |
US2015129797(A1) |
申请公布日期 |
2015.05.14 |
| 申请号 |
US201414534679 |
申请日期 |
2014.11.06 |
| 申请人 |
Kabushiki Kaisha Toshiba |
发明人 |
ISE Kazuki;HARADA Yasuhiro;TAKAMI Norio |
| 分类号 |
H01M4/48;H01M10/05;C01G33/00 |
主分类号 |
H01M4/48 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A production method of a battery active material comprising:
a step of obtaining a coprecipitated product containing Ti and Nb by mixing a solution with a pH of 5 or lower, in which a Ti compound is dissolved, and a solution with a pH of 5 or lower, in which a Nb compound is dissolved, such that molar ratio of Ti and Nb (Nb/Ti) is adjusted within a range of 1≦Nb/Ti≦28, and then further mixing with an alkali solution with a pH of 8 or higher; and a step of burning the coprecipitated product under condition of a burning temperature of 635° C. or higher and 1200° C. or lower. |
| 地址 |
Minato-ku JP |
