Pouch Type Secondary Battery, Secondary Battery Module Including Same, And Pouch Used Therefor

Abstract: The present invention relates to a pouch-type secondary battery, a secondary battery module including same, and a pouch used therefor and, more specifically, to a pouch-type secondary battery having improved insulation performance, a secondary battery module including same, and a pouch used therefor. The present invention may provide a pouch-type secondary battery comprising: an electrode assembly including electrodes and a separator, and a pouch having the electrode assembly embedded therein, wherein the pouch comprises: an accommodation portion in which the electrode assembly is accommodated; and a rim portion positioned along the outer circumference of the accommodation portion to form a rim, wherein the rim portion includes an insulating layer having an insulating material, wherein the insulating layer includes a first insulating layer and a second insulating layer that are sequentially stacked from the inside toward the outside.

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