POUCH FILM LAMINATE, POUCH-TYPE BATTERY CASE, AND POUCH-TYPE SECONDARY BATTERY

The present invention relates to a pouch film laminate including a substrate layer, a gas barrier layer, and a sealant layer laminated in sequence, wherein the substrate layer includes a surface protection layer, and a ratio of a thickness of the pouch film laminate to a thickness of the surface protection layer is 6 to 10.