BATTERY PACK AND VEHICLE INCLUDING THE BATTERY PACK

A battery pack according to an embodiment of the present disclosure includes at least one battery cell including a positive electrode, a separator, and a negative electrode including a negative electrode active material having at least a portion of silicon oxide, a module housing configured to accommodate the at least one battery cell therein, and a pressing part configured to elastically press the battery cell to prevent a change in volume of the battery cell when charging and discharging the battery cell, and having a pressing force for pressing the battery cell set according to the content of the silicon oxide with respect to the total weight of the negative electrode active material.