Enhancing Activity of Pd-Based/rGO Catalysts by Al-Si-Na Addition in Ethanol Electrooxidation in Alkaline Medium

Figure 9

SEM images of PASGN.N catalysts before (a) and after (b) 500 scanning cycles in a (NaOH 0.5 M + C₂H₅OH 1 M) solution at a scan rate of 50 mV·s⁻¹.