Invention Grant
- Patent Title: Cylindrical secondary battery
- Patent Title (中): 圆柱二次电池
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Application No.: US12372996Application Date: 2009-02-18
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Publication No.: US08691419B2Publication Date: 2014-04-08
- Inventor: Myungro Lee , Youngcheol Jang , Cheolhee Hwang , Wanmook Lim , Wonchull Han , Hyorim Bak
- Applicant: Myungro Lee , Youngcheol Jang , Cheolhee Hwang , Wanmook Lim , Wonchull Han , Hyorim Bak
- Applicant Address: KR Yongin-si
- Assignee: Samsung SDI Co., Ltd.
- Current Assignee: Samsung SDI Co., Ltd.
- Current Assignee Address: KR Yongin-si
- Agency: Christie, Parker & Hale, LLP
- Priority: KR10-2008-0015267 20080220
- Main IPC: H01M8/00
- IPC: H01M8/00

Abstract:
A cylindrical secondary battery having improved performance in a compression test and a collision test. The cylindrical battery including a ceramic layer coated on at least one of a cathode plate and an anode plate, and a center pin having a wall thickness of 0.05 to 0.1 mm, which is inserted into the center of an electrode assembly of the battery. The ceramic layer can have a thickness of 6.0 μm to 8.0 μm.
Public/Granted literature
- US20090208826A1 CYLINDRICAL SECONDARY BATTERY Public/Granted day:2009-08-20
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