| 摘要 |
A battery pack (10) is provided. The battery pack (10) includes a battery module (20) and a heater (33). A battery module (20) includes a plurality of cylindrical batteries (21), a thermal diffusing plate (22), a first chamber (40), and a second chamber (50). The thermal diffusing plate (22) houses and holds the plurality of cylindrical batteries (21). The cooling air to cool each of the plurality of cylindrical batteries (21) is introduced into the first chamber (40). The second chamber (50) includes walls, and the walls include a first part and a second part. At least the first part of the walls includes the thermal diffusing plate (22). The heater (33) disposed with a predetermined distance from the thermal diffusing plate (22), and the heater (33) is configured such that convection occurs in the second chamber (50). |
