公开(公告)号：US20140287310A1

公开(公告)日：2014-09-25

申请号：US14220533

申请日：2014-03-20

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Koji OONO ,  Takao KITAGAWA ,  Tatsuya NAKABEPPU ,  Kazuyo YAMAMOTO

IPC: H01M4/62 ,  H01M4/04 ,  H01M10/0525 ,  H01M4/36 ,  H01M4/136

CPC classification number: H01M4/625 ,  H01M4/0471 ,  H01M4/131 ,  H01M4/366 ,  H01M10/0525

Abstract: An electrode material which can improve the mobility of electrons and the mobility of ions at the same time, and, furthermore, does not have a problem of the impairment of the diffusion of lithium ions in a thin layer containing a carbonaceous electron-conductive substance so as to be excellent in terms of load characteristics and energy density, and an electrode and a lithium ion battery are provided.The electrode material of the invention is produced by forming a thin layer made of a carbonaceous electron-conductive substance on surfaces of primary particles made of an electrode active material, in which the carbonaceous electron-conductive substance contains nitrogen atoms.

Abstract translation: 能够同时提高电子迁移率和离子迁移率的电极材料，此外，不存在在含有碳质电子传导性物质的薄层中锂离子的扩散受损的问题，所以 在负载特性和能量密度方面优异，并且提供电极和锂离子电池。 本发明的电极材料通过在碳质电子传导性物质含有氮原子的电极活性物质的一次粒子的表面形成由碳质电子传导性物质构成的薄层来制造。