Alkaline fuel cells cooling

Whereas the hot systems can consume CO, the cool systems suffer CO-poisoned platinum catalysts, and must have a shift reactor to consume the CO. Platinum poisoning is an irreversibility. The alkaline fuel cell (AFC), although without platinum, is especially incompatible with CO because of its KOH electrolyte. It needs a pure hydrogen fuel, and air with CO removed. The latter two purifications carry their own irreversibilities. 

The application of this method is shown in Figure 5, where hydrogen is produced by the nuclear-heated steam methane reforming (using a sodium-cooled reactor and natural gas), and then this hydrogen is converted into electricity in the alkaline-type fuel cell. 

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