Abstract
Highly efficient cathode air filters are required to enable the required fuel cell system´s lifetime, especially under severe operating conditions. In addition, components like water separators, compressors, air ducts, coolers, humidifiers, sensors etc. are essential to supply cathode air at the right cleanliness, pressure, and temperature. The paper focuses on cathode air flow management on the stack inlet and outlet side. The approach to system design is holistic, meaning that not individual components are optimized independently, but on system level. Special emphasis is given to transferring state-of-the-art technology and products from internal combustion engine vehicle´s air intake systems to the cathode air path. Adaption of these components to the operating conditions of fuel cells and combining them with fuel cell-specific components yield intake and outlet systems with cost-, energy- and acoustically optimized functionality.
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