Battery module and energy storage system including the same

A battery enclosure comprising:

• an enclosure frame structured to include an accommodation space;
• and
• a wall assembly coupled to the enclosure frame and structured to form a wall of the battery enclosure,
• wherein the wall assembly includes:
• an inner wall forming an inner surface of the wall assembly and coupled to the enclosure frame;
• an outer wall forming an outer surface of the wall assembly and coupled to the enclosure frame;
• and
• a duct module coupled to the inner wall and including a duct protruding toward the accommodation space.

An energy storage system comprising:

• a battery module including at least one battery cell;
• and
• a battery enclosure structured to accommodate the battery module,
• wherein the battery module includes a case structured to include a first case forming a side of the battery module,
• wherein the first case includes:
• a first case body forming the side of the battery module;
• and
• a vent portion formed in the first case body,
• wherein the battery enclosure includes:
• an enclosure frame structured to accommodate the battery module;
• and
• a wall assembly forming a wall of the battery enclosure and coupled to the enclosure frame,
• wherein the wall assembly includes a duct module including a duct structured to communicate with the vent portion and coupled to the first case.