Patent ID: 7004274

Claim:
An installation structure for a capacitor as a battery unit providing auxiliary electric power for a fuel cell in a hybrid vehicle, even in a vehicle having no luggage compartment, in a standing state, the installation structure comprising: a rear pillar cross member mounted behind a rear seat in the transverse direction of the vehicle and both ends of which are connected to inner panels on both sides of a vehicle body through first brackets and to damper bases of wheel housing, which are fixed to and extend from the inner panels into a vehicle cabin, through second; and a floor cross member, mounted on the upper surface of a rear floor of the vehicle in the transverse direction of a vehicle body, wherein the top portion of the capacitor is joined to the rear pillar cross member and the bottom portion of the battery unit is joined to the floor cross member, wherein said floor cross member is positioned forwardly completely of said rear pillar cross member in a longitudinal direction of the vehicle.