IMMERSION-COOLED BATTERY MODULE, AND BATTERY PACK AND VEHICLE COMPRISING SAME

An immersion-cooled battery module according to one aspect of the present disclosure includes a battery assembly including a plurality of battery units; a module case extending in a first direction, having an opening at least at one end in the first direction, and accommodating the battery assembly and a cooling liquid in an internal space connected to the opening; and a sealing cover airtightly covering the opening.