Research Article
Effect of Different Support Morphologies and Pt Particle Sizes in Electrocatalysts for Fuel Cell Applications
Table 3
Comparison of the CV results of the different catalysts.
| | Samples | Particle size
XRD (nm) | Onset potential
versus Ag/AgCl (V) | First oxidation
peak potential versus Ag/AgCl (V) | Backward peak
potential versus Ag/AgCl (V) | Ratio |
| | A: Pt/MWCNT | 5.1 | 0.23 | 0.61 | 0.46 | 1.9 | | B: Pt/MCMB | 9.3 | 0.23 | 0.58 | 0.44 | 1.5 | | C: Pt/MWCNT | 2.8 | 0.22 | 0.60 | 0.43 | 1.7 | | D: Pt/MCMB | 4.4 | 0.29 | 0.62 | 0.49 | 1.2 |
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