Packaging material for batteries
AssigneeDai Nippon Printing Co., Ltd.
InventorsDaisuke YASUDA, Atsuko TAKAHAGI, Rikiya YAMASHITA, Shinichiro NAKAMURA
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Abstract
Provided is a packaging material for batteries, which has excellent insulating properties. A packaging material for batteries, which is formed of a laminate that is obtained by sequentially laminating at least a base layer, a bonding layer, a metal layer and a sealant layer, and wherein the base layer comprises a resin layer A that is formed of a thermoplastic resin having a volume resistivity of 1×1015 Ω·cm or more.
Claims13
A battery packaging material comprising a laminate including at least a base material layer, an adhesive layer, a metal layer and a sealant layer laminated in this order,
- the base material layer including a resin layer A formed of a thermoplastic resin having a volume resistivity of 1×1015 Ω·cm or more.
A battery packaging material comprising a laminate including at least a base material layer, a metal layer and a sealant layer laminated in this order,
- wherein a thickness of the sealant layer is not less than 3 times of a thickness of the base material layer.
A battery packaging material comprising a laminate including at least a base material layer, a metal layer, an adhesive layer and a sealant layer laminated in this order,
- wherein a total thickness of the adhesive layer and the sealant layer is not less than 3 times of a thickness of the base material layer.
Dependencies are inferred from the claim text.