Samsung Sdi Co., Inc.

Naum Feygenson

Bong-Kyoung Park

Jun-Won Suh

Hyun-Chul Kim

Chan-Ho Lee

Jeong-Doo Yi

Seung-Mo Kim

Hyun Soh

Ju-Hee Sohn

Hyun-Hwa Song

Hye-Jung Lee

Byung-Sub Park

A flexible secondary battery includes an electrode assembly, a first external cover that is located on a first surface of the electrode assembly, and a second external cover that is located on a second surface of the electrode assembly, the second external cover and the first external cover including a sealing portion where edges of the first external cover and the second external cover are attached to each other to seal the electrode assembly. At least one of the first external cover and the second external cover includes a stress-relief pattern in a center portion.

Flexible secondary battery

A rechargeable battery according includes a plurality of electrode assemblies including a first electrode assembly and a second electrode assembly, a case housing the plurality of electrode assemblies, a cap assembly coupled to the case, and a first safety member including a first conductive plate between the first electrode assembly and the case, a second conductive plate between the second electrode assembly and the case, and a safety fuse between the first conductive plate and the second conductive plate and coupling the first and second conductive plates together.

Rechargeable battery having safety member

Growing community of inventors

Yongin-si, South Korea

Naum Feygenson