| 摘要 |
PURPOSE: A large sized battery pack is provided to facilitate the production of a battery pack, to minimize the capacity of a unit cell, and to improve productivity. CONSTITUTION: A battery pack comprises a case with guide grooves; many trays which are inserted into the guide groove; and a battery cell assembly supplied to the trays. The tray consists of a first connecting element(17) for connecting both electrodes of the battery cell assembly, and a second connecting element(19) for connecting the negative electrode of the battery cell assembly. The battery cell assembly consists of a plurality of unit cells(25) which are coupled with the first and second connection unit in parallel. |
