Samsung Sdi Co., Inc.

Sunhyung Kim

Wonil Jung

Sanghyo Lee

Gyeonghwan Lee

Mirae Im

Minsic Kim

A secondary battery includes: a cylindrical can including a first region, a second region, and a first bent portion extending between the first region and the second region on a circumferential surface of the can; an electrode assembly accommodated in the can; and a cap assembly at a top end of the can and sealing the can. The first bent portion is bent such that an angle between the first region and the second region is in a range of about 90&#xb0; to about 100&#xb0;; the first region of the can partially covers a top surface of the cap assembly facing an exterior side of the can, and the second region of the can surrounds side surfaces of the cap assembly.

Growing community of inventors

Yongin-si, South Korea

Sunhyung Kim