Abstract
Fuel cells as direct energy converters will find wide application in a future hydrogen economy. At the Institute for Hydrogen Systems (IHS) emphasis was placed on designing a mass producible, low, cost, alkaline, bipolar fuelcell. Carbon-filled plastics are used in the construction of the fuel cell stack. Teflon bonded, multi ayer carbon electrodes have been developed. The pretreatment of carbon materials proved necessary to prolong the life of the electrodes. Electrocatalysis work resulted in the replacement of the noble metal electrocatalyst of the cathode and a significant reduction in the loading of the anode. The material cost of the alkaline, bipolar hydrogen-air fuel cell currently stands at Can $250 (US $175) per kW.
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