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In a fuel cell powered electric vehicle having a fuel cell system and an electricity storing device for storing electricity generated by the fuel cell system, the fuel cell system and the electricity storing device stored in a box are fixed to a lower side of a floor of a cabin. A plate is provided

In a fuel cell powered electric vehicle having a fuel cell system and an electricity storing device for storing electricity generated by the fuel cell system, the fuel cell system and the electricity storing device stored in a box are fixed to a lower side of a floor of a cabin. A plate is provided to separate the fuel cell system and the electricity storing device in the interior of the box from each other. In addition, through holes are provided in the floor of the cabin for connecting between a refrigerant inlet port and a refrigerant outlet port of the electricity storing device and the cabin.

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1. A fuel cell powered electric vehicle, comprising:a fuel cell controlled at a predetermined temperature by a cooling device;an electricity storing device for storing electricity generated by the fuel cell,wherein the electricity storing device is controlled at a temperature which is different from

1. A fuel cell powered electric vehicle, comprising:a fuel cell controlled at a predetermined temperature by a cooling device;an electricity storing device for storing electricity generated by the fuel cell,wherein the electricity storing device is controlled at a temperature which is different from the predetermined temperature of the fuel cell; anda common box for storing both the fuel cell and the electricity storing device disposed under a floor of a cabin, the common box including a plate for separating the fuel cell from the electricity storing device,wherein a through hole for connecting between the electricity storing device and the cabin is provided on the box, andwherein the electricity storing device is cooled by air which has passed through the through hole.2. The fuel cell powered electric vehicle according to claim 1, further comprising:a heat insulating material provided on the plate,wherein the heat insulating material thermally insulates the fuel cell and the electricity storing device from each other.3. The fuel cell powered electric vehicle according to claim 1,wherein the electricity storing device is controlled at the temperature which is in a range of from about 40 to 50° C.4. The fuel cell powered electric vehicle according to claim 1,wherein the fuel cell is controlled at the temperature which is in a range of from about 60° C. to 80° C.5. The fuel cell powered electric vehicle according to claim 1, wherein the cooling device is cooled by cooling water circulated through a radiator and the fuel cell.6. The fuel cell powered electric vehicle according to claim 1, wherein the temperature of the electricity storing device is controlled to be lower than the predetermined temperature of the fuel cell.7. The fuel cell powered electric vehicle according to claim 1,wherein the electricity storing device has a refrigerant inlet port and a refrigerant outlet port so that one of the refrigerant inlet and outlet ports connects to the cabin via the through hole.8. The fuel cell powered electric vehicle according to claim 7, wherein the refrigerant inlet and outlet ports are disposed on a lower side of a seat of the vehicle.9. The fuel cell powered electric vehicle according to claim 7, wherein an air within a passenger compartment is utilized to be circulated so that an air after cooling the electricity storing device is discharged via another through hole into a passenger compartment.10. The fuel cell powered electric vehicle according to claim 9, wherein the electricity storing device is disposed under a seat of the vehicle,wherein the refrigerant inlet port and the refrigerant outlet port are disposed at a lower side of the seat of the vehicle.