| abstract |
This outer casing material for lithium batteries is provided with a laminate that is configured by sequentially laminating, on one surface of a base layer, an adhesive layer, an aluminum foil layer, and adhesive resin layer and a sealant layer. At least one surface of the aluminum foil layer is provided with a corrosion prevention-treated layer. The adhesive resin layer contains an adhesive resin composition and a polypropylene or propylene/α-olefin copolymer having an atactic structure. |