CYLINDRICAL SECONDARY BATTERY

Organization Name

samsung sdi co., ltd.

Inventor(s)

Sung Gwi Ko of Yongin-si (KR)

Gun Gue Park of Yongin-si (KR)

Gwan Hyeon Yu of Yongin-si (KR)

Woo Tae Jun of Yongin-si (KR)

Yoon Sun Yoo of Yongin-si (KR)

Myung Seob Kim of Yongin-si (KR)

Hyun Ki Jung of Yongin-si (KR)

CYLINDRICAL SECONDARY BATTERY

This abstract first appeared for US patent application 20240413501 titled 'CYLINDRICAL SECONDARY BATTERY

Original Abstract Submitted

a cylindrical secondary battery includes: an electrode assembly; a cylindrical can accommodating the electrode assembly and having a terminal hole at a first end; and a terminal portion coupled to the first end of the can and electrically connected to the electrode assembly, and the can further includes a coupling groove and a coupling protrusion adjacent to the terminal hole on a portion through which the terminal hole passes. in the cylindrical secondary battery according to embodiments of the present disclosure, a sealing force of the cylindrical secondary battery may be increased by providing a groove and a protrusion in the can that is a region to which a rivet terminal is coupled.