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|1. (WO2017033285) POWER CONTROL DEVICE|
|Applicants:||MITSUBISHI ELECTRIC CORPORATION
|Title:||POWER CONTROL DEVICE|
The purpose of the present invention is to provide a power control device wherein a change of the temperature of an electricity storage device is suppressed by means of a simple configuration, said electricity storage device being provided in the power control device. According to embodiment 1 of the present invention, a power control device 100 is equipped with: an electricity storage device 3 that is provided with a lithium ion battery (lithium ion battery cell 31); a control unit 2 that controls electric connection between the electricity storage device 3, and an external load 6 or an external power supply source; and a heat exchanging device 40 that is in contact with the electricity storage device 3, and geothermal heat, hydrothermal heat or gas heat, which can be used in the installation environment of the electricity storage device 3.