Patent Number: 8,871,386

Title: Secondary battery

Abstract: A secondary battery comprising an electrode assembly including: a first electrode plate connected to a first electrode tab, a second electrode plate connected to a second electrode tab, and a separator disposed therebetween; a can having an opening, to house the electrode assembly; and a cap assembly to seal the opening. The first electrode tab has a reinforcement portion. The first electrode tab has a welding portion connected to the cap assembly and a bent portion formed in the reinforcement portion, which is thicker than the welding portion.

Inventors: Kim; Dae-Kyu (Suwon-si, KR)

Assignee: Samsung SDI Co., Ltd.

International Classification: H01M 4/02 (20060101); H01M 2/02 (20060101)

Expiration Date: 2018-10-28 0:00:00