Battery Pack And Energy Storage System Comprising Same

Abstract: The purpose of the present invention is to provide a battery pack capable of reducing material costs and having a simple structure and increased energy density. The battery pack according to an aspect of the present invention includes: a plurality of pillars; a plurality of steel bars which connect pillars that face each other among the pillars and are assembled in multiple stages along the height direction of the pillars; a plurality of trays which are seated on the steel bars and form the respective stages; and a plurality of cell module assemblies which are seated on the trays of the respective stages.

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