CYLINDRICAL BATTERY CELL CAPABLE OF BOTTOM COOLING

The present disclosure provides a cylindrical battery cell having a structure capable of rapid cooling through a bottom portion of a can, a battery pack including the battery cell and having a bottom cooling structure, and a vehicle including the battery pack as a power source. The battery cell includes a can having a sidewall portion extending in an axial direction, an opening present at a first end portion of the sidewall portion, and a bottom portion connected to a second end portion of the sidewall portion; an electrode assembly including a first electrode and a second electrode, the electrode assembly housed in the can; a cap covering the opening of the can and electrically connected to the first end portion of the sidewall portion; and a first electrode terminal installed at a central portion of the cap and electrically insulated from the cap, wherein the first electrode is electrically connected to the first electrode terminal, and the second electrode is electrically connected to the can and the cap.