Battery module, and battery pack and vehicle comprising same

A battery module, comprising:

• a battery cell stack in which a plurality of battery cells are stacked;
• a case configured to accommodate the battery cell stack and having at least one first discharge hole formed to discharge gas;
• an exhaust path member having an interior communicating with the at least one first discharge hole and mounted to the case to provide a discharge path of the gas so as to discharge the gas;
• and
• a cover coupled to the case to cover the exhaust path member and having at least one second discharge hole through which the gas moving through the exhaust path member is discharged,
• wherein the exhaust path member comprises:
• a first pillar having an interior in fluid communication with the at least one first discharge hole;
• a second pillar having an interior in fluid communication with the at least one second discharge hole;
• and
• an exhaust pipe extending between the first pillar and the second pillar, the exhaust pipe being in fluid communication with the interior of the first pillar and the interior of the second pillar.