BATTERY MODULE AND METHOD FOR MANUFACTURING THE SAME

A battery module includes a battery cell stack in which a plurality of battery cells are stacked, a first frame which is formed of a lower surface and left and right surfaces to cover a lower surface and left and right surfaces of the battery cell stack, and a second frame of which an upper surface, and front, rear, left and right surfaces are integrally formed to cover an upper surface and front and rear surfaces of the battery cell stack and the left and right surfaces of the first frame, and the left and right surfaces of the first frame are formed of an elastic member curved in a direction in which the battery cell stack is located.