Patent ID: 11916241
Assignee: YOULCHON CHEMICAL CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC C  H  B  Y | IPC C  H

Claim 8:
9. A secondary battery pouch film manufactured by the method according to claim 1, the 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,
wherein hydrofluoric acid resistance strength of the secondary battery pouch film is 5.0 N/15 mm or higher, and
wherein electrolyte resistance strength of the secondary battery pouch film is equal to or higher than 90% of the initial peel strength.