RIVETING STRUCTURE OF ELECTRODE TERMINAL, AND SECONDARY BATTERY, BATTERY PACK, AND AUTOMOBILE COMPRISING SAME

The present specification provides a riveting structure of an electrode terminal and a secondary battery including the same, the riveting structure including a battery can opened at one side thereof, an electrode terminal riveted through a through-hole formed in a bottom of the battery can, and a gasket interposed between the battery can and the electrode terminal, in which the electrode terminal includes a body portion inserted into the through-hole, an outer flange portion extending along an outer surface of the bottom of the battery can from a periphery of a first side of the body portion exposed through the outer surface of the bottom of the battery b, and an inner flange portion extending toward an inner surface of the bottom of the battery can from a periphery of a second side of the body portion exposed through the inner surface of the bottom of the battery can, in which the body portion and the outer flange portion respectively have inner cavities connected to each other, and in which the inner flange portion has an opening portion connected to the inner cavities and opened in a direction toward an inside of the battery can.