公开(公告)号：US20240283000A1

公开(公告)日：2024-08-22

申请号：US18649882

申请日：2024-04-29

Applicant: Samsung SDI Co., Ltd.

Inventor： Soo Mi EO ,  Seung Hee PARK ,  Jea Woan LEE ,  Jae Min LIM ,  Euy Sun JUNG ,  Kyung Hoon CHO ,  Young Kwang CHO ,  Kyeong Yi HEO

IPC: H01M10/04 ,  H01M10/0587 ,  H01M50/119 ,  H01M50/121 ,  H01M50/129 ,  H01M50/538 ,  H01M50/55 ,  H01M50/553 ,  H01M50/557 ,  H01M50/593

CPC classification number: H01M10/0431 ,  H01M10/0587 ,  H01M50/538 ,  H01M50/553 ,  H01M50/557 ,  H01M50/119 ,  H01M50/121 ,  H01M50/129 ,  H01M50/55 ,  H01M50/593

Abstract: Various embodiments of the present invention relate to a secondary battery, and the objective of the present invention is to provide a secondary battery, which has drop-impact resistance, by providing an electrode assembly having a relatively thick inner circumferential and a relatively thin outer circumferential tab. To this end, disclosed is a secondary battery, which comprises an electrode assembly comprising: an anode plate having an inner circumferential tab formed at a wound front end thereof; a separator covering the anode plate; and a cathode plate having an outer circumferential tab formed at a wound distal end thereof.

公开(公告)号：US20200044225A1

公开(公告)日：2020-02-06

申请号：US16341405

申请日：2017-10-17

Applicant: Samsung SDI Co., Ltd.

Inventor： Soo Mi EO ,  Seung Hee PARK ,  Jea Woan LEE ,  Jae Min LIM ,  Euy Sun JUNG ,  Kyung Hoon CHO ,  Young Kwang CHO ,  Kyeong Yi HEO

IPC: H01M2/26 ,  H01M10/0587 ,  H01M10/04

Abstract: Various embodiments of the present invention relate to a secondary battery, and the objective of the present invention is to provide a secondary battery, which has drop-impact resistance, by providing an electrode assembly having a relatively thick inner circumferential and a relatively thin outer circumferential tab. To this end, disclosed is a secondary battery, which comprises an electrode assembly comprising: an anode plate having an inner circumferential tab formed at a wound front end thereof; a separator covering the anode plate; and a cathode plate having an outer circumferential tab formed at a wound distal end thereof.