VEHICLE BATTERY COOLING DEVICE

The disclosure provides a vehicle battery cooling device including, in a vehicle equipped with a battery for driving, a battery accommodation part, an outside air introduction passage introducing air outside the vehicle, a heat exchanger cooling air introduced into the outside air introduction passage, a first air conditioning passage, a second air conditioning passage, a first discharge passage, and a second discharge passage. The first air conditioning passage is communicated to the heat exchanger and the vehicle room to supply air cooled by the heat exchanger to the vehicle room. The second air conditioning passage is communicated to the heat exchanger and the battery accommodation part to supply air cooled by the heat exchanger to the battery accommodation part. The first discharge passage discharges air in the vehicle room to outside the vehicle. The second discharge passage discharges air in the battery accommodation part to outside the vehicle.