BATTERY SYSTEM INCLUDING COOLING PLATE AND METHOD OF CONTROLLING THE SAME

A battery system includes a battery pack including a pack frame, a plurality of battery modules disposed within the pack frame, and a cooling plate covering the plurality of battery modules and including an accommodation space for accommodating a refrigerant, a cooling passage connected to the cooling plate, a circulation pump connected to the cooling passage and configured to circulate the refrigerant within the cooling passage and the cooling plate, a pressure sensor disposed within the cooling passage, a plurality of temperature sensors disposed on the plurality of battery modules, and a processor electrically connected to the plurality of temperature sensors and the pressure sensor. The processor is configured to adjust an output of the circulation pump based on at least one of a temperature detected by one or more of the plurality of temperature sensors and pressure detected by the pressure sensor.