Ni-P and Ni-Mo-P modified aluminium alloy 6061 as bipolar plate material for proton exchange membrane fuel cells

Scanning electron micrograph of AA6061 coated with Ni-Mo-P (1:0.33), formed by electroplating power supply technique, after potentiostatic polarization test for cathode condition in (0.5 M H2SO4 + 2 ppm HF) solution at +160 mV (MMS) for 5 h.