公开(公告)号：US10374249B2

公开(公告)日：2019-08-06

申请号：US15653865

申请日：2017-07-19

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Young Chang Lim ,  Kyung Kim ,  Wonseok Kim ,  Sangheon Lee ,  Jandee Kim ,  Kyeongyi Heo

IPC: H01M2/14 ,  H01M2/26 ,  H01M2/34 ,  H01M10/04 ,  H01M10/28 ,  H01M10/42 ,  H01M10/0587

Abstract: A rechargeable battery includes an electrode assembly including a first electrode, a second electrode, and a separator, the first electrode and the second electrode being wound with the separator therebetween, and a case to receive the electrode assembly, wherein the first electrode includes a first tab part having a first coating region and a plurality of first uncoated tabs protruding out of the first coating region, the first coating region being coated with a first active material, and the plurality of first uncoated tabs not being coated with the first active material, and a first non-tab part connected to the first tab part, the first non-tab part wrapping the first tab part at an outermost portion thereof at least one time.