HEAT-RADIATING CARTRIDGE AND ELECTRIC CAR BATTERY PACK USING SAME

Provided is a heat-radiating cartridge that improves heat-radiating capability, does not cause deformation, and has excellent rigidity, and a battery pack for an electric vehicle using the same. The heat-radiating cartridge includes: first and second guide members that support both longitudinal sides of a battery and are spaced apart from each other; third and fourth guide members connected to both ends of the first and second guide members, respectively, to be in contact with both end electrode terminals of the battery; and a seating portion formed on a sidewall of a battery receiving penetration hole formed in a central area by the first to fourth guide members to seat the battery, wherein the seating portion is protruded from the side wall of the battery receiving penetration hole so as to horizontally divide the battery receiving penetration hole into two.