Title:
２次電池
Document Type and Number:
Japanese Patent JP6508693
Kind Code:
B2
Abstract:
A secondary battery includes: an electrode assembly; an electrode tab electrically connected to the electrode assembly and protruding at an end of the electrode assembly; a case accommodating the electrode assembly; a cap plate coupled to the case; and a terminal plate between the cap plate and the electrode assembly and electrically connected to the electrode tab, and the electrode tab includes first and second long sides parallel to a lengthwise direction of the electrode tab, and a sectional surface connecting the first and second long sides, and an angle between the first long side and the sectional surface is greater than 90 degrees.
Inventors:
Cui, Kei
Application Number:
JP2014075749A
Publication Date:
May 08, 2019
Filing Date:
April 01, 2014
Export Citation:
Assignee:
SAMSUNG SDI Co., LTD.
International Classes:
H01M50/103; H01M50/15; H01M50/50; H01M50/533; H01M50/538; H01M50/553
Domestic Patent References:
| JP9147829A | ||||
| JP2009110751A | ||||
| JP2003162985A | ||||
| JP2006156365A | ||||
| JP2013214464A |
Foreign References:
| WO2011111556A1 | ||||
| US20120177981 | ||||
| US20090162749 |
Attorney, Agent or Firm:
Nobuyuki Matsunaga
Tetsuji Tsuji
Tetsuji Tsuji