发明名称 |
Lithium ion battery |
摘要 |
There is provided a lithium ion battery which maintains the flame retardancy of an electrolyte over a long period of time, has high energy density, and has improved charge/discharge cycle characteristics, high temperature storage characteristics, and rate characteristics. The lithium ion battery according to the present exemplary embodiment is a lithium ion battery comprising an electrolyte containing at least an ionic liquid and a lithium salt, a positive electrode, and a negative electrode, wherein the negative electrode includes a negative electrode active material which is a carbon material treated with a surface treatment agent. |
申请公布号 |
US9343740(B2) |
申请公布日期 |
2016.05.17 |
申请号 |
US201113186995 |
申请日期 |
2011.07.20 |
申请人 |
NEC Energy Devices, Ltd. |
发明人 |
Kaneko Shinako;Ishikawa Hitoshi;Kono Yasutaka;Hashizume Yoko |
分类号 |
H01M4/583;H01M4/133;H01M4/36;H01M4/587;H01M4/62;H01M10/0525;H01M10/0565;H01M10/0566;H01M10/0567;H01M10/0569;H01M10/0587;H01M10/42;H01M4/02 |
主分类号 |
H01M4/583 |
代理机构 |
Foley & Lardner LLP |
代理人 |
Foley & Lardner LLP |
主权项 |
1. A lithium ion battery comprising an electrolyte containing at least an ionic liquid and a lithium salt, a positive electrode, and a negative electrode including a negative electrode active material,
wherein the negative electrode active material is a carbon material treated with a surface treatment agent, and wherein the surface treatment agent is ethyltrimethoxysilane. |
地址 |
Sagamihara-shi, Kanagawa JP |