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 11:
12. The secondary battery pouch film according to claim 9,
wherein the secondary battery pouch film is configured to have a base layer, a metal layer, a corrosion preventing layer formed on at least one side of the metal layer, a primer layer formed on an inner side of the metal layer, a polypropylene extrusion layer which is a melt-extrusion resin layer, and a cast polypropylene (CPP) layer which is a sealant layer,
wherein the base layer is at least one of a polyester film and a polyimide film, and
wherein the metal layer is made of aluminum.