Homework 3 No picture A$23 Q2 Fiat 500e EV Cell Samsung NMC-C6 Primatic Cell LG Chem NMC-C6 Pouch Cell LG Chem NMC-C6 Pouch Cell RAM eTorque MHEV Cell LG Chem NMC-C6 Pouch cell Tesla (Panasonic) NCA-C6/Si A123 LFP-C6 A123 LFP-C6 Samsung NMC-C6 Pacifica PHEV Cell Pouch Cell 2170 Cell Pouch Cell 26650 Cell 2170 Cell Nominal Voltage (V) 3.65 3.60 3.65 3.65 3.70 3.30 3.30 3.60 Rated Discharge Cap. (Ah) 60 47 9.8 57 5.0 30 2.5 3.0 Open Circuit Voltage (V) 3.68 3.66 3.67 3.70 3.70 3.30 3.30 3.72 Discharge Resistance (m2) 1.22 1.14 1.72 2.50 15 0.85 23 18 Cell Mass (kg) 0.980 0.892 0.250 0.820 0.070 0.588 0.076 0.065 Cell Volume (L) 0.410 0.470 ? 0.544 0.024 0.311 0.034 0.024 Discharge Energy (Wh) Specific Energy (Wh/kg) Energy Density (Wh/L) Peak Discharge Power (kW) Specific Power (W/kg) Power Density (W/L) Good EV Cell? (yes/no) np Homework 3 Performance target data from table Assumptions Please calculate Nominal Voltage (Vnom) 350V Rated Capacity (Q) 120Ah Fiat 500e EV Battery Pack Specifications Total Energy Battery Pack Cell Mass kWh 188 kg Nominal Voltage 350 V Specific Energy of Cells Wh/kg Open Circuit Voltage" * 355 V Battery Pack Total Mass 290 kg Specific Energy of Battery Pack Wh/kg Rated Discharge Capacity Battery Pack Resistance* 120 Ah 0.058 Lower Voltage Battery Pack OCV 355 V Limit 268 V Battery Pack Resistance 0.058 Maximum Discharge Current 450A Battery Pack Peak Power KW Mass of Battery Cells 188 kg Discharge Efficiency at Peak Power (fact) 50% Mass Burden in Battery Pack 102 kg Battery Pack Cell Mass 188 kg Total Battery Pack Mass 290 kg Specific Power of Cells kW/kg Battery Pack Total Mass 290 kg Specific Power of Battery Pack kW/kg *From cell pulse power test at 50% DOD Fiat 500e EV Lower Voltage Limit (LVL) 268 V Battery Pack OCV Voltage Drop at LVL 355 V V Battery Pack Resistance 0.058 Maximum Discharge Current at LVL A Maximum Discharge Power at LVL kW Battery Discharge Efficiency at LVL % *n V OCV (limited by LVL)