| 摘要 |
An energy storage device having an improved heat-dissipation characteristic is disclosed. The energy storage device, according to the present invention, comprises: a cell assembly formed by connecting at least two cylindrical energy storage cells in series; a case having an accommodation part in a shape corresponding to the outer side surface of the energy storage cells so as to accommodate the cell assembly; and a heat-dissipation pad provided between the outer side surface of the energy storage cells of the cell assembly and the inner side surface of the accommodation part, wherein the case comprises at least two case blocks and the accommodation part is formed by combining the case blocks. |
