Battery module and battery pack including the same

A battery pack comprising:

• a battery module including
• a battery stack comprising a plurality of battery cells stacked in a first direction, and at least one pad member provided between the plurality of battery cells, and
• a heat transfer member provided at a side of the battery stack and provided to be in contact with the battery stack,
• wherein the plurality of battery cells extend in a second direction, the second direction intersects the first direction,
• wherein the heat transfer member is provided in a third direction, the third direction intersects the first direction and the second direction, and
• wherein the heat transfer member includes a first heat transfer member and a second heat transfer member, the first heat transfer member and the second heat transfer member are provided in the form of different materials;
• and
• a cooling pipe provided at a side of the battery module in the third direction,
• wherein the heat transfer member includes
• a lower heat transfer member provided between the battery stack and the cooling pipe, and
• an upper heat transfer member provided to face the lower heat transfer member with the battery stack interposed therebetween.