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