US 12,294,097 B2
Primer layer composition, secondary battery pouch film using the same, and method of manufacturing the same
Nok Jung Song, Seoul (KR); Han Chul Park, Gyeonggi-do (KR); Hee Sik Han, Gyeonggi-do (KR); and Ji Min Lee, Gyeonggi-do (KR)
Assigned to Youlchon Chemical Co., Ltd., Seoul (KR)
Filed by Youlchon Chemical Co., Ltd., Seoul (KR)
Filed on Nov. 7, 2023, as Appl. No. 18/387,759.
Application 18/387,759 is a continuation of application No. 17/083,637, filed on Oct. 29, 2020, granted, now 11,916,241.
Claims priority of application No. 10-2020-0113048 (KR), filed on Sep. 4, 2020.
Prior Publication US 2024/0079697 A1, Mar. 7, 2024
Int. Cl. H01M 50/183 (2021.01); C08K 5/00 (2006.01); C08L 23/12 (2006.01); H01M 4/04 (2006.01); H01M 50/124 (2021.01)
CPC H01M 50/183 (2021.01) [C08L 23/12 (2013.01); H01M 4/0407 (2013.01); H01M 50/124 (2021.01); C08K 5/0025 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A secondary battery pouch film comprising:
a primer layer that is interposed between a metal layer and a melt-extrusion resin layer or a sealant layer,
wherein formability of the secondary battery pouch film is 6.5 mm or larger,
wherein initial peel strength of the secondary battery pouch film is 14.0 N/15 mm or higher.