BATTERY PACK AND VEHICLE COMPRISING BATTERY PACK

Disclosed is a battery pack, which includes a battery module including a battery cell and having a cooling pipe unit at which a coolant flow path for cooling the battery cell is formed, a pack case configured to accommodate the battery module, a coolant inflow and outflow pipe configured to supply a coolant to the coolant flow path and discharge the coolant from the coolant flow path to the outside of the pack case, a first sealing unit disposed between the coolant inflow and outflow pipe and the pack case, and a second sealing unit disposed between the coolant inflow and outflow pipe and the cooling pipe unit.