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Cathode air filters

Airborne particles and gases can damage the fuel cell stack by catalyst poisoning, channel blocking and membrane degradation. The MANN+HUMMEL cathode air filter protects fuel cell stacks from these contaminants. The combination of adsorption and filtration enables clean air supply to the stack and keeps its performance. As a system supplier, MANN+HUMMEL also develops customer specific solutions including dirty and cleanside ducts as well as further functional integration such as water separators and acoustic measures.

Product benefits

  • Harmful gases are efficiently removed from the intake air, for example sulfur dioxide (SO2), nitrogen oxides (NOx) and ammonia (NH3)
  • Air flow optimized system for low pressure loss and best air mass flow 
  • Flexible design options depending on customer needs
  • Option to integrate further functions like sensors and acoustic measures

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Contact us

Sina Lamparter

Sales Manager E-Mobility & Air Quality

E-Mobility Shop

In our e-mobility online shop you will find our standard components for battery and fuel cell applications which can be quickly and easily configured.

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Further information

System expertise for fuel cell powertrains

Legislation governing vehicle emissions is becoming stricter, the climate debate and therefore also the development of alternative drives is gaining momentum. One promising solution is the fuel cell used to supply energy to an electric drive. MANN+HUMMEL has now developed an innovative air induction system for the cathode path in order to ensure an efficient supply of clean air to the fuel cell.