Invention Grant
- Patent Title: Electrode current collector and method for producing the same, electrode for battery and method for producing the same, and secondary battery
- Patent Title (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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Application No.: US11767754Application Date: 2007-06-25
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Publication No.: US09564640B2Publication Date: 2017-02-07
- Inventor: Masayuki Iwama , Rikako Imoto , Kenichi Kawase , Akinori Kita
- Applicant: Masayuki Iwama , Rikako Imoto , Kenichi Kawase , Akinori Kita
- Applicant Address: JP Tokyo
- Assignee: SONY CORPORATION
- Current Assignee: SONY CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Dentons US LLP
- Priority: JP2006-174763 20060626
- Main IPC: H01M4/62
- IPC: H01M4/62 ; H01M4/64 ; H01M10/052 ; H01M10/054 ; H01M4/66 ; H01M4/134 ; H01M4/1395 ; H01M10/0569 ; H01M4/02
Abstract:
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.
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