Samsung Sdi Co., Inc.

Youmee Kim

Jun Ho Lee

Byongchul Woo

Seungjun Myoung

Jeongho Park

Jong-Ha Lee

Byoungmin Chun

Disclosed is a rechargeable battery including: an electrode assembly wound with a separator between a first electrode and a second electrode; a first exterior material including an opening receiving the electrode assembly and facing a bottom side of the electrode assembly; a second exterior material covering the opening, and combined to the first exterior material to seal an internal side of the first exterior material; and a reinforcing member having greater rigidity than the first exterior material and the second exterior material, disposed between the electrode assembly and the first exterior material, and including a side wall for surrounding a lateral side of the electrode assembly.

Rechargeable battery

A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case having an opening and housing the electrode assembly; and a cap assembly sealing the opening of the case, and the cap assembly includes: a cap plate bonded to the case and covering the opening; a terminal plate bonded to the cap plate; and a thermal fusion member between the terminal plate and the cap plate and thermally fused with the terminal plate and the cap plate.

Button cell

Growing community of inventors

Yongin-si, South Korea

Youmee Kim