Samsung Sdi Co., Inc.

Hye-Jin Kwon

Jong-Ki Lee

Bo-Hyun Kim

Jun-Won Suh

Joon-Sup Kim

Yu-Jin Han

Sang-In Park

Eun-Young Goh

Jin-Hyon Lee

Sung-Yong Kim

Ji-Woon Lee

Jin-Seon Shin

There is provided a manufacturing method of an electrode assembly, the method including blanking a first electrode from a first base including a first coated region and a first uncoated region, blanking a second electrode from a second base including a second coated region and a second uncoated region, laminating a separator on the second electrode, cutting the laminated second electrode with the separator, and stacking the laminated second electrode and the first electrode.

Electrode assembly, manufacturing method thereof, and rechargeable battery

A rechargeable battery includes an electrode assembly, a pouch accommodating the electrode assembly, and including first and second exterior members facing each other with the electrode assembly therebetween, and a sealing portion having a sealing width and sealing the first exterior member and the second exterior member along an outer edge of the electrode assembly, and lead tabs electrically connected to the electrode assembly and drawn to the outside of the pouch, wherein the sealing portions define grooves, each of the grooves having a size that is less than the sealing width, and wherein the sealing portion is bent along the outer edge of the electrode assembly and attached to a side surface of the pouch.

Rechargeable battery

Growing community of inventors

Yongin-si, South Korea

Hye-Jin Kwon