BATTERY CELL STACK AND MANUFACTURING METHOD THEREOF

A battery cell stack of the present invention includes a plurality of battery cells and a resin layer wholly or partially in contact with an outer surface of at least one of the plurality of battery cells, wherein the resin layer includes a solvent-free adhesive, and has specific peel strength and shear strength, such that the resin layer may be applied by a spray coating, and thereby improving structural stability and reliability of the battery cell stack, while simplifying materials and processes necessary to manufacture the battery cell stack.