US Patent 11577595 Vehicle body rear structure of electric vehicle

A vehicle body rear structure of an electric vehicle may include: a high-voltage device arranged in a rear portion of the electric vehicle, wherein the high-voltage device is included in an electric powertrain of the electric vehicle or is electrically connected to the electric powertrain, and the high-voltage device is operable on a voltage over AC 30 or DC 60 volts; a low-voltage device arranged rearward of the high-voltage device at a same height level as the high-voltage device, wherein the low-voltage device is operable at a voltage lower than AC 30 or DC 60 volts; and a crossmember passing between the high-voltage device and the low-voltage device.