| 摘要 |
The present invention relates to a battery module which equally controls resistance between adjacent battery cells and makes lifespan of the battery cell enlarged. The battery module comprises: a plurality of battery cells having terminals on one side, aligned in one direction, and respectively having a first resistance value and a second resistance value different with the firs resistance value; and a busbar connecting the terminals of the battery cells, wherein the busbar comprises a first busbar and a second busbar which has different material or thickness with the first busbar. The first busbar is connected with the terminal of the battery cell having the first resistance value, and the second busbar is connected with the terminal of the battery cell having the second resistance value. The battery module can control resistance between the battery cells by applying to a busbar having different material or thickness according to resistance of the battery cell. |
