Exterior material for electricity storage device

    公开(公告)号:US11532848B2

    公开(公告)日:2022-12-20

    申请号:US16617419

    申请日:2018-05-18

    Abstract: A packaging material for a power storage device, comprising at least: a substrate layer; a metallic foil layer with an anti-corrosion treatment layer being disposed on one face or both faces thereof; and a sealant layer in this order, wherein the sealant layer includes a polypropylene-based resin (A) and 1 to 40% by mass of incompatible component (B), and maximum seal strength SM in an adhered portion resulting from adhesion by heat-sealing the packaging material is 35 N/15 mm or more, and in addition, the packaging material for a power storage device satisfies the following requirements (1) or (2): (1) a ratio SS/SM of seal strength SS to maximum seal strength SM in a stable range is 0.3 or more; (2) a ratio SA/SM of average seal strength SA to maximum seal strength SM is 0.3 or more.

    Packaging material for power storage device

    公开(公告)号:US11081748B2

    公开(公告)日:2021-08-03

    申请号:US15834275

    申请日:2017-12-07

    Abstract: Packaging material for a power storage device, comprising at least a substrate layer, an adhesive layer, a metal foil layer and a sealant layer wherein the sealant layer contains an inorganic filler and an occupying ratio of the inorganic filler relative to the total thickness of the sealant layer is 5 to 50%, and also to a packaging material for a power storage device, comprising a substrate layer, a barrier layer and also to a packaging material for power storage device, which comprises a substrate layer, a barrier layer and a sealant layer arranged in this order wherein the barrier layer is made of a metal foil and has a corrosion inhibition treatment layer at least at a side of the sealant layer, and the sealant layer is formed directly on the corrosion inhibition layer, has a thickness of 5 to 30 μm, and contains a high melting point material.

    Exterior material for lithium ion battery

    公开(公告)号:US11128004B2

    公开(公告)日:2021-09-21

    申请号:US15921298

    申请日:2018-03-14

    Abstract: An exterior material for a lithium ion battery comprising at least a substrate layer, a metal foil layer, and a sealant layer in that order, wherein the sealant layer comprises an anionic functional group-containing layer containing a compound having an anionic functional group, and the concentration of the anionic functional group contained in the anionic functional group-containing layer is about 1.0 mass % or more based on the total amount of the components constituting the anionic functional group-containing layer.

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