Samsung Sdi Co., Inc.

Gisung Kim

Jae Kyung Cho

Chanjin Choi

Jinho So

Jaekyung Cho

Daewook Ki

A rechargeable battery, an electrode assembly, and an electrode assembly manufacturing method are disclosed. The electrode assembly includes: a separator configured to include a first insertion portion formed in a first direction and a second insertion portion formed in a second direction, which are alternatively stacked; a first electrode inserted into the first insertion portion; a second electrode inserted into the second insertion portion while the separator is disposed between the first electrode and the second electrode; a sealing portion configured to bond opposite surfaces of the separator into which the first electrode and the second electrode are inserted with the separator interposed therebetween; and a lead tab configured to include a first current collecting tab connected to the first electrode and a second current collecting tab connected to the second electrode.

Rechargeable battery, electrode assembly and method for manufacturing the same

A secondary battery includes a first electrode assembly comprising a first separator in a serpentine form and first and second electrode plates that are respectively located on two surfaces of the first separator at different positions; and a second electrode assembly comprising a second separator in a serpentine form and third and fourth electrode plates that are respectively located on the second separator at different positions, wherein the first separator, to which the first and second electrode plates are combined, is bent with respect to ends of the first and second electrode plates so that the portion of the first separator is located on the second separator, and the second separator, on which the third and fourth electrode plates are combined, is bent with respect to ends of the third and fourth electrode plates so that the portion of the second separator is located on the first separator.

Growing community of inventors

Yongin-si, South Korea

Gisung Kim