US 12,322,548 B2
Exterior material for electrical storage device, method for manufacturing same, and electrical storage device
Masahiro Tatsuzawa, Tokyo (JP); and Jun Kageyama, Tokyo (JP)
Assigned to DAI NIPPON PRINTING CO., LTD., Tokyo (JP)
Appl. No. 17/600,498
Filed by DAI NIPPON PRINTING CO., LTD., Tokyo (JP)
PCT Filed Apr. 3, 2020, PCT No. PCT/JP2020/015407
§ 371(c)(1), (2) Date Dec. 20, 2021,
PCT Pub. No. WO2020/204186, PCT Pub. Date Oct. 8, 2020.
Claims priority of application No. 2019-072336 (JP), filed on Apr. 4, 2019; and application No. 2019-142005 (JP), filed on Aug. 1, 2019.
Prior Publication US 2022/0173461 A1, Jun. 2, 2022
Int. Cl. H01M 50/126 (2021.01); H01G 11/78 (2013.01); H01G 11/84 (2013.01); H01M 50/131 (2021.01)
CPC H01G 11/84 (2013.01) [H01G 11/78 (2013.01); H01M 50/126 (2021.01); H01M 50/131 (2021.01)] 20 Claims
OG exemplary drawing
 
1. An exterior material for electrical storage devices comprising a laminate including at least a surface coating layer, a base material layer, a barrier layer and heat-sealable resin layer in this order from the outside, wherein
the surface coating layer contains a resin and a filler, and
the logarithmic decrement ΔE of the outer surface of the surface coating layer of the laminate is 0.43 or less at 200° C. in measurement with a rigid body pendulum.