Low resistance electrode for electric dual layer capacitor and method of manufacturing the same

摘要

A low resistance electrode includes a through type aluminum sheet, a plurality of first hollow protrusion members protruded to one side of the through type aluminum sheet, a plurality of second hollow protrusion members protruded to the other side of the through type aluminum sheet, a conductive adhesive layer coated on a first surface and second surface of the through type aluminum sheet, a first active material sheet bonded to the first surface of the through type aluminum sheet, and a second active material sheet bonded to the second surface of the second surface of the through type aluminum sheet.

主权项

1. A low resistance electrode for an electric double layer capacitor, comprising:
a through type aluminum sheet having a plurality of through holes formed in the through type aluminum sheet so that the through holes are spaced apart from one another; a plurality of first hollow protrusion members extended from the through type aluminum sheet in such a way as to communicate with the through holes and protruded to a first side of the through type aluminum sheet; a plurality of second hollow protrusion members spaced apart from the plurality of first hollow protrusion members, extended from the through type aluminum sheet in such a way as to communicate with the through holes, and protruded to a second side of the through type aluminum sheet; a conductive adhesive layer coated on a first surface and second surface of the through type aluminum sheet; a first active material sheet bonded to the first surface of the through type aluminum sheet by the conductive adhesive layer so that the plurality of first hollow protrusion members is buried; and a second active material sheet having the plurality of second hollow protrusion members buried in the second active material sheet and bonded to the second surface of the through type aluminum sheet by the conductive adhesive layer so that the second active material sheet is connected to the first active material sheet through the plurality of first hollow protrusion members and the plurality of second hollow protrusion members, wherein a concave-convex surface in which the conductive adhesive layer is buried is formed on surfaces of the through type aluminum sheet, the plurality of first hollow protrusion members, and the plurality of second hollow protrusion members, and the surfaces comprise the first surfaces and second surfaces of the through type aluminum sheet and inner circumference surfaces and outer circumference surfaces of the plurality of first hollow protrusion members and the plurality of second hollow protrusion members.