Answer the following statement(s) true (T) or false (F)

1. The two most important control issues in fuel cells are water and heat.

2. In general, input air should be in excess of 20% humidity for SPFC (PEM) cells to operate efficiently.

3. While there are many hydrocarbon fuels that can serve as feed gases for reformation, the simplest is oxygen.

4. In the steam reformation reactions, steam is recycled through the system at high temperatures to the reformation anode and the following reaction occurs:

5. In general, SPFC (PEM) cells might convert only half the available energy to electricity with the other half converted to heat.


1. True
2. False
3. False
4. False
5. True

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