TERMINAL RESIN FILM AND POWER STORAGE DEVICE USING SAME

A terminal resin film of at least seven layers, with at least a layer A, a layer B, a layer C, and a layer D, and a structure being layer A, the layer B, the layer A, and the layer C or the layer D; or, the structure being layer A, the layer B, and the layer A, and Layer A: A layer formed from a resin composition including an acid-modified polyolefin resin and having an MFR of 2.0 to 50 g/10 mins; Layer B: A layer formed from a resin composition including a polyolefin resin and having an MFR of 0.05 g/10 mins or more and less than 2.0 g/10 mins; Layer C: A layer formed from a resin composition including an unmodified polyolefin resin and having an MFR of 0.05 to 50 g/10 mins; and, Layer D: An adhesive layer including a resin having a cross-linked structure.