System and method for determining charging and discharging power levels for a battery pack

A method for determining charging and discharging power levels for a battery pack, the battery pack having an enclosure holding a battery module therein, the battery module having a housing, and first, second, and third battery cells disposed in the housing, the first battery cell disposed adjacent to an end of the housing and between the end of the housing and the second battery cell, the second battery cell disposed between the first battery cell and the third battery cell, the method comprising:

• generating a first temperature signal indicative of a first temperature level of the second battery cell utilizing a first temperature sensor disposed between the second and third battery cells;
• generating a second temperature signal indicative of a second temperature level of a cooling medium flowing into the enclosure utilizing a second temperature sensor;
• determining first and second temperature values corresponding to the first and second temperature levels, respectively, based on the first and second temperature signals, respectively, utilizing a computer;
• determining a temperature correlation value based on the first and second temperature values, utilizing the computer;
• determining a third temperature value indicative of a temperature level of the first battery cell disposed adjacent to the end of the housing based on the first temperature value and the temperature correlation value, utilizing the computer;
• and
• determining a desired charging power level for the battery pack based on the third temperature value and storing the desired charging power level in a memory device, utilizing the computer.