A BEV has the following requirements: eight years of operation average 24,000 km per year, averaged out over 365 days per year. Assume an average battery output of 204 Wh/km and a rated cell voltage of 3.6 V, a capacity of 3.4 Ah, and lifetime index of L = 1. i) Determine the BOL kWh storage. ii) How many cells do you need and what is the BOL range? iii) What is the BOL storage and how many cells are required for a larger pack in order to increase the BOL range to 425 km? iv) How many parallel strings are required if the pack has 96 cells in series? v) What is the battery pack mass, assuming a battery with pack density Wh/kg? vi) If the peak power is 325 kW, what is the P/E ratio of the battery for the lar- ger pack? (Ans. 39.16 k Wh, 3,200, 192 km, 86.7 kWh, 7,083, 74, 578 kg, 3.5|