| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a battery device in which temperature difference between battery cells can be reduced as much as possible. <P>SOLUTION: The battery device comprises a battery package 4 having a plurality of battery modules 21 consisting of a plurality of battery cells 22, a cooler which cools the battery package 4, a heater 6 which heats the battery cells 22 respectively, a temperature detection means for detecting temperature of the battery cells 22, and a battery management means 9 which can reduce temperature difference of the battery cells 22 by heating the battery cells 22 with the heater 6. <P>COPYRIGHT: (C)2012,JPO&INPIT |
