BATTERY MODULE, BATTERY PACK, AND ENERGY STORAGE SYSTEM

A battery module according to an embodiment of the present disclosure may include a cell assembly having a plurality of stacked battery cells, a thermistor configured to sense the temperature of the battery cell, a substrate having one side to which the thermistor is coupled and configured to transmit temperature information of the battery cell sensed by the thermistor to the outside, and a thermistor plate on which the substrate is disposed and a guide groove in which the thermistor is accommodated is formed, the thermistor plate being disposed between the plurality of battery cells.