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. 2016 Sep 13;6:33236. doi: 10.1038/srep33236

Figure 5.

Figure 5

(a) CVs for methanol oxidation reaction catalyzed by commercial Pt/Carbon black and Pt/GR composite in the mixture solution of 0.05 M H2SO4 + 1 M CH3OH within the potential range of 0–1.0 V (b) Chronoamperometry employed by the Pt/Carbon black and Pt/GR composite with different Pt contents of 5, 10, and 20 wt% at 0.4 V in a 0.5 M H2SO4 and 1 M CH3OH.