| 摘要 |
PROBLEM TO BE SOLVED: To provide an exterior material for a power storage device, which hardly causes delamination or the like even when an electrolyte adheres to a side end face, and has excellent electrolyte resistance.SOLUTION: In an exterior material 1 for a power storage device, a base material layer 11, a first adhesive layer 12, a metal foil layer 13, an anti-corrosion treatment layer 14, a second adhesive layer 15, and a sealant layer 16 are sequentially laminated from the outside. At least the first adhesive layer 12 is formed of: at least one selected from a group consisting of a polyester polyol and an acrylic polyol each having a group with a hydroxyl group in a side chain; and an aliphatic isocyanate hardener. |
