Importance

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Abstract

Provided is a current collector with low resistance and superior durability, which hardly suffer any change in the appearance of the current collector after the pressing process, and electrode structures, non-aqueous electrolyte batteries, and electrical storage devices using such current collector. A current collector, including an aluminum foil; and a conductive resin layer provided on at least one side of the aluminum foil; wherein the conductive resin layer includes a resin and conductive particles; the aluminum foil has a tensile strength of 180 MPa or higher; an indentation hardness at a surface of the conductive resin layer of the current collector is 600 MPa or lower; and an area occupying ratio of the conductive particles at the surface of the conductive resin layer is 45% or higher, is provided.

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First Claim