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US 2017/0365825 A1Published application
Outer packaging material for electric storage device and electric storage device using the same
AssigneeToppan Printing Co., Ltd.
InventorsWataru Ijuin, Satoshi Sasaki
Life of this patent
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Abstract
An outer packaging material for electric storage device comprises at least a substrate layer, an adhesion layer, a metal foil layer, a sealant adhesion layer, and a sealant layer laminated in this order, wherein the substrate layer is one made of either a polyamide film having a hot water shrinkage rate at 95° C. of less than 5% and a hot shrinkage rate at 180° C. of 4 to 16%, or a polyester film having a hot water shrinkage rate at 95° C. of less than 5% and a hot shrinkage rate at 180° C. of 10 to 25%.
Claims7
An outer packaging material for electric storage device having a structure comprising:
- at least a substrate layer, an adhesion layer, a metal foil layer, a sealant adhesion layer, and a sealant layer laminated in this order,
- wherein the substrate layer is one made of (a) a polyamide film having a hot water shrinkage rate at 95° C. of less than 5% and a hot shrinkage rate at 180° C. of 4 to 16%, or (b) a polyester film having a hot water shrinkage rate at 95° C. of less than 5% and a hot shrinkage rate at 180° C. of 10 to 25%
Dependencies are inferred from the claim text.