To prevent structural units composing a fuel cell system and having inferior heat resistance from being exposed to structural units generating heat, without providing additional components such as a heat shielding plate and the like.
When arranging structural units composing the fuel cell system including a secondary battery 12, such as a fuel cell 8, a reforming device 9, an air system auxiliary machine 10, a fuel tank 11, the secondary battery 12, and a driving module 13 under the floor of a vehicle, they are divided to a structural unit group 21 composed of the fuel cell 8, the reforming device 9, and the air system auxiliary machine 10 which generate high temperatures, and a structural unit group 22 composed of the secondary battery 12 and the driving module 13 which have inferior heat resistance, and the unit group 21 generating high temperatures and the unit group 22 having inferior heat resistance are mounted under the floor of the vehicle by separating them right and left in the horizontal direction (vehicle width direction) of the vehicle. At this point, they are separately arranged so that the unit group 21 generating high temperatures is positioned at the right side where a driving motor 6 generating a large amount of heat is positioned in the horizontal direction of the vehicle.
COPYRIGHT: (C)2004,JPO
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Shiro Fujitani
Kosaku Sugimura