BATTERY PACK AND VEHICLE INCLUDING SAME

A battery pack according to the present disclosure may include: a pack case having a storage space configured to store a plurality of battery cells therein and an opening formed on one side; a pack lid configured to cover the opening; a partition frame coupled to the pack case so as to partition the storage space; and a bolt member having at least a portion configured to pass through the pack lid and to be coupled to the partition frame, and a first thread portion disposed at an end close to the partition frame, wherein the first thread portion may include a high-temperature-sensitive material whose physical properties change in a predetermined high-temperature environment so that bonding strength between the bolt member and the partition frame is weakened.