| abstract |
PROBLEM TO BE SOLVED: To provide a packaging material for a battery, which is composed of a laminated body in which at least a base material layer, a metal layer, and a sealant layer are sequentially laminated, has a small total thickness, and is excellent in moldability and puncture strength. At least a base layer 1, a metal layer 3, and a sealant layer 4 are sequentially laminated, and the total thickness of the laminate is in the range of 50 to 80 μm. A packaging material for a battery, wherein the ratio of the total thickness of the base material layer and the metal layer is in the range of 0.380 to 0.630. [Selection diagram] Figure 1 |