Battery module and battery pack including the same

A battery module comprising:

• a battery cell stack in which a plurality of battery cells are stacked in a first direction,
• a module frame that houses the battery cell stack,
• a busbar that electrically connects the battery cell stack and an external member,
• a busbar frame that covers a front surface or a rear surface of the battery cell stack and to which the busbar is attached, and
• an end plate that is coupled to the module frame and covers the busbar frame,
• wherein at least one opening is formed in the end plate,
• wherein a busbar protrusion is exposed to the outside through the at least one opening,
• wherein a gap between the busbar protrusion and the at least one opening is closed by a gasket,
• wherein the gasket comprises a gasket hole into which the busbar protrusion is inserted, and a contact part extending outwardly from a periphery of the gasket hole,
• wherein the contact part comprises a first contact surface facing an inside of the battery module, the first contact surface contacting an outer surface of the busbar frame, and
• wherein the first contact surface is formed with a first protrusion.