| 摘要 |
PURPOSE: A secondary battery is provided to improve heat radiation and to minimize swelling phenomenon. CONSTITUTION: A secondary battery(100) comprises a plurality of electrode assemblies, a case assepting the plurality of electrode assemblies, an electrode terminal(131,141) exposed to outside the case and electrically connected to the electrode assembly, and hollow elements penetrating through the case and arranged to parallel with at least one side of each of the electrode assemblies. The plurality of electrode assemblies is arranged to be attached to the inner side of the case by the hollow elements. The hollow element is formed to enable coolant to pass through the case. |
