公开(公告)号：US20230411777A1

公开(公告)日：2023-12-21

申请号：US18331935

申请日：2023-06-09

Applicant: SK ON CO., LTD.

Inventor： Jae Sik SHIN ,  Seung Hoon JU ,  Ji Yong PARK ,  Jae Gyu BYUN ,  Gi Jeong SEO

IPC: H01M50/342 ,  H01M50/103 ,  H01M50/15

CPC classification number: H01M50/3425 ,  H01M50/103 ,  H01M50/15

Abstract: A secondary battery cell includes: a case in which an electrode assembly is accommodated; a cap plate assembly coupled to at least one side of the case; and a venting unit including a base coupled to one surface of the case and a notch portion formed on the base, and the notch portion includes: a first notch portion extending in a first direction; a second notch portion extending in a second direction intersecting the first direction; and a third notch portion extending in a third direction, parallel to a longitudinal direction of the base from both ends of the first notch portion and the second notch portion.

公开(公告)号：US20230411778A1

公开(公告)日：2023-12-21

申请号：US18332750

申请日：2023-06-12

Applicant: SK ON CO., LTD.

Inventor： Jae Sik SHIN ,  Seung Hoon JU ,  Ji Yong PARK ,  Jae Gyu BYUN ,  Gi Jeong SEO

IPC: H01M50/342 ,  H01M50/103 ,  H01M50/15

CPC classification number: H01M50/3425 ,  H01M50/103 ,  H01M50/15

Abstract: A secondary battery cell includes: a case in which an electrode assembly is accommodated; a cap plate assembly coupled to at least one side of the case; and a venting unit including a base coupled to one surface of the case and a notch portion formed on the base, and the notch portion includes: a first notch portion extending in a first direction, parallel to a longitudinal direction of the base; a second notch portion extending in a second direction, perpendicular to the first direction, from both ends of the first notch portion, respectively; and a third notch portion extending in the first direction from both ends of the second notch portion, respectively.