| 摘要 |
In an assembled battery used as a power source of a vehicle, a negative electrode collector plate and a positive electrode collector plate are arranged at every two bipolar secondary batteries adjacent in a stacking direction among a plurality of bipolar electrodes. The negative electrode collector plate and the positive electrode collector plate also function as heat radiating members, as a cooling medium is caused to flow therein. It becomes unnecessary to connect a cooling tab to the positive electrode collector plate (or the negative electrode collector plate) to cool the assembled battery and, therefore, no portion protrudes from the positive electrode collector plate (or the negative electrode collector plate) of the assembled battery. Thus, the inside of assembled battery can be cooled while reducing the size of the assembled battery.
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