Scroll Expander from Air Squared for Recovering Exhausted High-Pressure Air from PEM Fuel Cells
Fuel cells like PEM are basically developed for transport applications as well as for stationary and portable fuel cell applications. These fuel cells often work under high atmospheric pressure conditions and therefore require compressor system to supply air. While working on high pressure, there is a pressure drop of compressed air, so an expander is necessary to recover this energy. With an expander, the recovered air can be provided to the compressor that shares the same shaft with the expander....
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