The paper presented a special vehicle fuel cell diagnosis device which including control unit, fuel gassupplyunit, power conditioning unit, cooling unit, and electric power consumer unit.
The cooling unit and the fuel gassupplyunit of this diagnosis device also can exactly diagnose the fuel cell in the case of the cooling unit and the fuel gassupplyunit of the fuel cell is damaged.
The first 14-foot test unit produced enough energy to supply 150 average European homes and saved the emission of over 450 tons of CO 2 greenhouse gas each year.