| 发明名称 |
NEGATIVE ELECTRODE MATERIAL FOR LITHIUM-BASED BATTERIES |
| 摘要 |
A negative electrode material includes an active material, which is present in an amount ranging from about 60 wt % to about 95 wt % of a total wt % of the negative electrode material. The negative electrode material further includes a polyimide binder, which is present in an amount ranging from about 1 wt % to about 20 wt % of the total wt % of the negative electrode material. The polyimide binder contains a repeating unit, where a backbone structure of each repeating unit has no ether group present and no more than one carbonyl group present. The negative electrode material also includes a conductive filler, which is present in an amount ranging from about 3 wt % to about 20 wt % of the total wt % of the negative electrode material. |
| 申请公布号 |
US2015333318(A1) |
申请公布日期 |
2015.11.19 |
| 申请号 |
US201414280257 |
申请日期 |
2014.05.16 |
| 申请人 |
GM Global Technology Operations LLC |
发明人 |
Huang Xiaosong;Cai Mei |
| 分类号 |
H01M4/36;H01M4/485;H01M4/587;H01M4/58;H01M4/04;H01M2/18;H01M10/0569;H01M10/0568;H01M4/38;H01M10/0525;H01M4/62 |
主分类号 |
H01M4/36 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A negative electrode material, comprising:
an active material present in an amount ranging from about 60 wt % to about 95 wt % of a total wt % of the negative electrode material; a polyimide binder present in an amount ranging from about 1 wt % to about 20 wt % of the total wt % of the negative electrode material, wherein a backbone structure of each repeating unit of the polyimide binder has no ether group present and no more than one carbonyl group present; and a conductive filler present in an amount ranging from about 3 wt % to about 20 wt % of the total wt % of the negative electrode material. |
| 地址 |
Detroit MI US |
