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US 11,909,054 B2Granted
Aluminum pouch film for secondary battery, and manufacturing method therefor
AssigneeBtl Advanced Material Co. Ltd.
InventorsSang Wook Chun, Jun Ho Shim, Soon Sik Lee
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Abstract
An aluminum pouch film for a secondary battery and a method for manufacturing the aluminum pouch film are disclosed. The aluminum pouch film includes an aluminum layer; an outer resin layer formed on a first surface of the aluminum layer; an inner resin layer formed on a second surface of the aluminum layer; and an adhesive layer for adhering the aluminum layer to the inner resin layer, wherein the outer resin layer includes a copolymer of polyamide and polyimide.
Claims6
An aluminum pouch film for a secondary battery, the film comprising:
- an aluminum layer;
- an outer resin layer formed on a first surface of the aluminum layer;
- an inner resin layer formed on a second surface of the aluminum layer;
- and
- an adhesive layer for adhering the aluminum layer to the inner resin layer,
- wherein the outer resin layer includes a copolymer comprising a polyamide unit and a polyimide unit,
- wherein the outer resin layer and the aluminum layer are directly adhered without an adhesive layer between the outer resin layer and the aluminum layer.
4 more elements
Dependencies are inferred from the claim text.