Samsung Sdi Co., Inc.

Byeong-Yeol Song

Seung-Jae Lee

Sung-Soo Kim

Sung-soo Kim

Sae-Weon Roh

Jeong-Heon Lee

Jae-Min Yang

Jae-Hyun Hwang

Po-Jung Hwang

Yoo-Myung Kang

Jae-Do Ahn

A rechargeable battery includes an electrode assembly having a plurality of first electrodes each including a first coated region coated with a first active material and a first uncoated region having a first alignment opening and a second alignment opening, a plurality of second electrodes each including a second coated region coated with a second active material and a second uncoated region having a third alignment opening and a fourth alignment opening, a separator between each first coated region and each second coated region; and a case housing the electrode assembly, wherein the first alignment openings are substantially aligned with each other, the second alignment openings are substantially aligned with each other, the third alignment openings are substantially aligned with each other, and the fourth alignment openings are substantially aligned with each other.

Rechargeable battery

A rechargeable battery comprises: an electrode assembly comprising a plurality of positive electrode plates, a plurality of negative electrode plates, and a plurality of separators; and a case enclosing the electrode assembly; wherein each separator in the plurality of separators comprises a central portion facing at least one of the positive and negative electrode plates, and an extended portion that extends past the positive and negative electrode plates, and wherein each of the extended portion comprises an adhered portion that is adhered to adjacent extended portions.

Growing community of inventors

Yongin-si, South Korea

Byeong-Yeol Song