Page 146 - Introduction to Transfer Phenomena in PEM Fuel Cells
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Heat Transfer Phenomena 135
temperature is not ensured by this method of cooling. The latter also requires
larger flow channels on the cathodic side compared to those on the anode
side, and consequently the stack volume becomes larger.
Figure 4.1. Convection cooling of the airflow at the cathode
4.4.2.1. Cooling with separate air channels
This type of cooling is recommended for a stack with a power of a few
hundred watts. Figure 4.2 shows a diagram of this cooling method.
Figure 4.2. Cooling with separate air channels
