Abstract: A film and a manufacturing process thereof, including a base layer, where each of front and back sides of the base layer is provided with a bonding layer, a functional layer, and a protective layer in sequence; the functional layer is composed of a first composite copper layer and/or a second composite copper layer; the first composite copper layer is formed by repeating copper coating on a surface of the bonding layer 2 to 500 times; and the second composite copper layer is formed by repeating copper coating on a surface of the bonding layer 2 to 500 times. The film has low cost, simple process, and prominent appearance performance, and the present disclosure belongs to the technical field of energy storage unit materials.

Abstract: A film and a manufacturing process thereof, including a base layer, where each of front and back sides of the base layer is provided with a bonding layer, a functional layer, and a protective layer in sequence; the functional layer is composed of a first composite copper layer and/or a second composite copper layer; the first composite copper layer is formed by repeating copper coating on a surface of the bonding layer 2 to 500 times; and the second composite copper layer is formed by repeating copper coating on a surface of the bonding layer 2 to 500 times. The film has low cost, simple process, and prominent appearance performance, and the present disclosure belongs to the technical field of energy storage unit materials.