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US 2025/0096382 A1Published application
Cladding material for electricity storage device and electricity storage device using same
AssigneeToppan Holdings Inc.
InventorJunya IMAMOTO
Life of this patent
Estimating the term…
Abstract
A packaging material for a power storage device includes at least a substrate layer, a barrier layer, and a sealant layer in this order, in which the sealant layer contains a polypropylene resin and an incompatible component that is incompatible with the polypropylene resin, and, when a cross section of the sealant layer taken along a TD direction is observed, an area proportion S1 of the incompatible component (B) in the cross section is 10 to 50%.
Claims12
A packaging material for a power storage device, comprising:
- at least a substrate layer, a barrier layer, and a sealant layer in this order, wherein
- the sealant layer contains a polypropylene resin (A) and an incompatible component (B) that is incompatible with the polypropylene resin, and,
- when a cross section of the sealant layer taken along a TD direction is observed, an area proportion S1 of the incompatible component (B) in the cross section is 10 to 50%.
Dependencies are inferred from the claim text.