BATTERY MODULE INCLUDING THERMAL INSULATION MEMBER

The present invention relates to a battery module capable of, when thermal runaway occurs in a battery cell, preventing heat transfer to an adjacent battery cell, the battery module including a plurality of battery cells each having electrode leads, a case configured to receive the plurality of battery cells, and a thermal insulation member located between the plurality of battery cells, the thermal insulation member being configured to interrupt heat transfer between adjacent ones of the battery cells, wherein the thermal insulation member is configured to have a composite structure including an outer portion made of plastic having a lower melting point than temperature when thermal runaway occurs and a support member provided in an inner portion of the thermal insulation member, the support member being made of a heat-resistant material having a higher melting point than the temperature when the thermal runaway occurs.