CPC B32B 7/12 (2013.01) [B32B 27/08 (2013.01); B32B 2307/31 (2013.01); B32B 2307/7265 (2013.01); B32B 2457/10 (2013.01)] | 13 Claims |
1. A power storage device outer packaging material which comprises a laminate including at least a base material layer, a barrier layer and a heat-sealable resin layer in this order,
the heat-sealable resin layer including a single layer or multiple layers,
the heat-sealable resin layer including at least one layer having a hardness of 70 MPa or more as measured from a cross-section in a lamination direction of the laminate under a load of indentation of 100 μN in a nanoindentation method.
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