Sustainable energy supply – Hydrogen-compatible DDM pressure sensor for fuel cells

Hydrogen has become an indispensable part of the future energy mix. Our team supported a large research laboratory in the development of new and more efficient fuel cells. In the context of a long-term test carried out over 4 months of a low-temperature polymer electrolyte membrane fuel cell stack, DDM pressure sensors were used in the anode path of the stack. The media compositions at the pressure sensors corresponded to realistic compositions. The involved medium consisted of different concentrations of hydrogen, nitrogen, water vapor and liquid water. The sensing element and pressure connections of our hydrogen-compatible pressure sensors are made from 316l stainless steel. The construction is fully welded and 100% helium leak tested. Each sensor is supplied against a manufacturer declaration for hydrogen use.

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