US 12,064,951 B2
Casing material for power storage device, production method therefor, and power storage device
Daisuke Yasuda, Tokyo (JP); Makoto Amano, Tokyo (JP); and Takanori Yamashita, Tokyo (JP)
Assigned to DAI NIPPON PRINTING CO., LTD., Tokyo (JP)
Appl. No. 17/287,216
Filed by DAI NIPPON PRINTING CO., LTD., Tokyo (JP)
PCT Filed Oct. 24, 2019, PCT No. PCT/JP2019/041798
§ 371(c)(1), (2) Date Aug. 24, 2021,
PCT Pub. No. WO2020/085463, PCT Pub. Date Apr. 30, 2020.
Claims priority of application No. 2018-200444 (JP), filed on Oct. 24, 2018.
Prior Publication US 2022/0115723 A1, Apr. 14, 2022
Int. Cl. B32B 7/12 (2006.01); B32B 27/08 (2006.01)
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
OG exemplary drawing
 
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.