Pouch, Secondary Battery Comprising the Same, and Method for Manufacturing the Secondary Battery

A pouch applied to a secondary battery includes an accommodation part configured to accommodate an electrode assembly; a sealing part provided outside the accommodation part, the sealing part having a plurality of sealing surfaces configured to seal the accommodation part; and a protection part provided outside one or more of the plurality of sealing surfaces of the sealing part, the protection part being configured to protect the one or more sealing surfaces.