Table 7: The rear-end collision simulation comparison of E-REV before and after lightweighting the main parts.

Before lightweight (mm)After lightweight (mm)Difference (%)

Maximal deformation of vehicle body3503441.7
Maximal deformation of battery pack 1312229
Maximal deformation of battery pack 1 mounting bracket14.113.81.4
Maximal deformation of battery pack 23527.820.6
Maximal deformation of battery pack 2 mounting bracket26.725.33.1