| 发明名称 |
NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY PACK |
| 摘要 |
A negative electrode active material for a nonaqueous electrolyte secondary battery has a carbonaceous substance, a silicon oxide phase in the carbonaceous substance, a silicon phase in the silicon oxide phase, and a zirconia phase in the carbonaceous substance. The negative electrode active material has a diffraction peak at 2θ=30±1° in powder X-ray diffraction measurement. |
| 申请公布号 |
US2014199579(A1) |
申请公布日期 |
2014.07.17 |
| 申请号 |
US201414215158 |
申请日期 |
2014.03.17 |
| 申请人 |
KABUSHIKI KAISHA TOSHIBA |
发明人 |
MORITA Tomokazu;KUBOKI Takashi;FUKASAWA Takayuki;HOTTA Yasuyuki;ESSAKI Kenji;OSADA Norikazu |
| 分类号 |
H01M4/36;H01M4/48;H01M4/583 |
主分类号 |
H01M4/36 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A negative electrode active material for a nonaqueous electrolyte secondary battery comprising:
a carbonaceous substance; a silicon oxide phase in the carbonaceous substance; a silicon phase in the silicon oxide phase; and a zirconia phase in the carbonaceous substance, wherein the negative electrode active material has a diffraction peak at 2θ=30±1° in powder X-ray diffraction measurement. |
| 地址 |
Tokyo JP |
