Molybdenum Nitride Modified AISI 304 Stainless Steel Bipolar Plate

A molybdenum nitride diffusion coating has been prepared on the surface of AISI 304 stainless steel (304 SS) by plasma surface diffusion alloying method as bipolar plate for proton exchange membrane fuel cell (PEMFC).

X-ray diffraction data shows that the molybdenum nitride is face-centered-cubic Mo2N phase. The results of scanning electron microscopy in combination .

With energy-dispersive X-ray analysis spectrometer indicate that the as-prepared molybdenum nitride diffusion.

Coating consists of a ∼3.5 μm surface layer (molybdenum nitride) and a ∼0.5 μm subsurface layer (Mo and N solid solution).
 

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