Electrode Lead Structure for Secondary Battery and Lithium Secondary Battery Including the Same

Abstract

Provided are an electrode lead structure for a secondary battery and a secondary battery including the same. The electrode lead structure includes an electrode lead and a lead film, wherein the electrode lead includes a first lead portion to which an electrode tab is bonded, a second lead portion, having a thickness less than that of the first lead portion, and a third lead portion formed between the first lead portion and the second lead portion and having a slope in which a thickness increases in a direction from the second lead portion to the first lead portion, and the lead film is positioned on the third lead portion.

Dependencies are inferred from the claim text.