US 12,002,970 B2
Pouch-type secondary battery
Jun Hee Han, Daejeon (KR); Moon Sung Kim, Daejeon (KR); Sang Baek Ryu, Daejeon (KR); Seung Hyun Yook, Daejeon (KR); and Hwan Ho Jang, Daejeon (KR)
Assigned to SK ON CO., LTD., Seoul (KR)
Filed by SK Innovation Co., Ltd., Seoul (KR)
Filed on Oct. 7, 2021, as Appl. No. 17/496,607.
Claims priority of application No. 10-2020-0129928 (KR), filed on Oct. 8, 2020.
Prior Publication US 2022/0115722 A1, Apr. 14, 2022
Int. Cl. H01M 50/105 (2021.01); H01M 50/178 (2021.01); H01M 50/186 (2021.01)
CPC H01M 50/105 (2021.01) [H01M 50/178 (2021.01); H01M 50/186 (2021.01)] 6 Claims
OG exemplary drawing
 
1. A pouch-type secondary battery, comprising:
an electrode assembly including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode; and
a pouch case including a sealing portion sealed along an edge thereof to accommodate the electrode assembly therein, and a terrace portion formed to extend toward the sealing portion in which an electrode lead is disposed,
wherein a notch portion is formed to be spaced apart from one surface of the sealing portion adjacent to the notch portion in a longitudinal direction of the pouch-type secondary battery in the sealing portion.