Battery Module and Energy Storage System

The present disclosure relates to a battery module including: a case having an internal receiving space for housing a plurality of battery assemblies; a cooling assembly disposed in the case and including a cooling path through which a cooling fluid for cooling the plurality of battery assemblies flows; a fire-extinguishing path including one end connected to the cooling path and the other end disposed in the internal receiving space; a passive valve disposed at the other end of the fire-extinguishing path and configured to open and close the fire-extinguishing path; an active valve disposed between one end of the fire-extinguishing path and the passive valve and configured to open and close the fire-extinguishing path; and a module control unit configured to control the operation of the active valve.