| 摘要 |
<P>PROBLEM TO BE SOLVED: To raise the temperature of a battery in an early stage while preventing the abnormal heating of a battery in temperature rise control even when the internal state of the battery changes, in a system for temperature rise control that raises the temperature of the battery by the internal heat due to charge and discharge. <P>SOLUTION: In temperature rise control, a controller detects the current, voltage and temperature of a high-voltage battery 12, and controls charge/discharge power so that the current of the high-voltage battery 12 may not exceed a maximum chargeable current Ibmin or a maximum dischargeable current Ibmax while setting the maximum chargeable current Ibmin and the maximum dischargeable current Ibmax, based on the detected values. Thus, the charge/discharge power is controlled while changing the maximum chargeable current Ibmin and the maximum dischargeable current Ibmax according to the change in the internal state of the high-voltage battery 12.The temperature of the high-voltage battery 12 can be raised in an early stage while preventing the abnormal heating of the battery 12. <P>COPYRIGHT: (C)2010,JPO&INPIT |
