发明授权
- 专利标题： Electrode current collector and method for producing the same, electrode for battery and method for producing the same, and secondary battery
- 专利标题（中）： 电极集电体及其制造方法，电池用电极及其制造方法以及二次电池
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申请号： US11767754申请日： 2007-06-25
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公开(公告)号： US09564640B2公开(公告)日： 2017-02-07
- 发明人: Masayuki Iwama , Rikako Imoto , Kenichi Kawase , Akinori Kita
- 申请人： Masayuki Iwama , Rikako Imoto , Kenichi Kawase , Akinori Kita
- 申请人地址： JP Tokyo
- 专利权人： SONY CORPORATION
- 当前专利权人： SONY CORPORATION
- 当前专利权人地址： JP Tokyo
- 代理机构： Dentons US LLP
- 优先权： JP2006-174763 20060626
- 主分类号： H01M4/62
- IPC分类号： H01M4/62 ; H01M4/64 ; H01M10/052 ; H01M10/054 ; H01M4/66 ; H01M4/134 ; H01M4/1395 ; H01M10/0569 ; H01M4/02
摘要：
A current collector forming an electrode for battery is provided. The electrode current collector includes a conductive layer made of copper or a copper alloy. Furthermore, the conductive layer has a plurality of crystallites, the crystallites containing crystallites having a cross-section area of 20 μm2 or more.