公开(公告)号：US11075434B2

公开(公告)日：2021-07-27

申请号：US16303109

申请日：2017-06-29

Applicant: Samsung SDI Co., Ltd.

Inventor： Myungjae Jang ,  Chiyoung Lee

IPC: H01M50/00 ,  H01M50/581 ,  H01M4/64 ,  H01M10/42 ,  H01M10/04 ,  H01M50/172 ,  H01M50/531 ,  H01M50/543

Abstract: A rechargeable battery according to an exemplary embodiment of the present invention includes: an electrode assembly including uncoated region tabs that protrude toward one side of a coated portion; a case having a first length set in a first direction to receive the electrode assembly; a cap plate having a second length set in a second direction that crosses the first direction and a third length that is shorter than the first length and set in a third direction that crosses the second direction so as to be coupled corresponding to an opening of the case; an electrode terminal that is provided in a terminal hole of the cap plate; and a current collecting member that is disposed between the cap plate and the electrode assembly to connect the electrode terminal and the uncoated region tabs, and includes a fuse in a corresponding region of the electrode terminal, facing in the first direction.

公开(公告)号：US11424508B2

公开(公告)日：2022-08-23

申请号：US16319588

申请日：2017-06-29

Applicant: Samsung SDI Co., Ltd.

Inventor： Myungjae Jang ,  Sangwon Byun

IPC: H01M10/02 ,  H01M50/342 ,  H01M10/0587

Abstract: A rechargeable battery according to an exemplary embodiment of the present invention includes: an electrode assembly; a casing which accommodates the electrode assembly and has an opening; a cap assembly which is coupled through the opening and seals the casing; a spacer which is positioned between the electrode assembly and the casing and has multiple holes; and a vent member which is formed on a bottom surface of the casing which is positioned opposite to the opening.

公开(公告)号：US11276899B2

公开(公告)日：2022-03-15

申请号：US16335463

申请日：2017-09-13

Applicant: Samsung SDI Co., Ltd.

Inventor： Chiyoung Lee ,  Sangwon Byun ,  Myungjae Jang

IPC: H01M50/30 ,  H01M10/0525 ,  H01M10/0587 ,  H01M10/04 ,  H01M50/342

Abstract: A rechargeable battery according to an exemplary embodiment of the present invention includes: an electrode assembly including a first electrode, a separator, and a second electrode; a case that accommodates the electrode assembly, and of which one side through which the electrode assembly is inserted is opened; a cap assembly provided in the opening of the case by being fixed thereto; a vent hole that is formed in a bottom plate of the case, and of which side walls are multi-stepped; and a vent member provided in the vent, wherein a depth of the vent is greater than a thickness of the bottom plate.