BATTERY PACK AND HEATER ASSEMBLY

摘要

A battery pack including a battery module and a heater is provided. The battery module includes a plurality of cylindrical batteries, a thermal diffusing plate, a first chamber, and a second chamber. The thermal diffusing plate houses and holds the plurality of cylindrical batteries. The first chamber is configured to distribute cooling air to cool each of the plurality of cylindrical batteries. The second chamber is formed at least in part by the thermal diffusing plate. The heater is configured such that convection occurs in the second chamber.

主权项

1. A battery pack comprising:
a battery module including a plurality of cylindrical batteries, the battery module comprising:
a thermal diffusing plate housing and holding the plurality of cylindrical batteriesa first chamber configured to distribute cooling air to cool each of the plurality of cylindrical batteries, anda second chamber formed by walls, the walls including a first part and a second part, at least the first part of the walls including the thermal diffusing plate; and a heater configured such that convection occurs in the second chamber.