| abstract |
An exemplary embodiment of the present invention provides a battery module including: a module frame configured to include a lower plate and a side wall constituting an internal space; a battery cell stack disposed in the internal space of the module frame to include a plurality of battery cells that are stacked to be adjacent to each other side by side; and a resin layer disposed between the lower plate and the battery cell stack to include a detection agent, wherein the lower plate includes at least one injection hole. |