Figure 8. Nyquist plots of Pt@C and Pt-Ir@C catalysts in 0.5 M H2SO4 + 1.0 M CH3OH

From

The Effect of Iridium Addition to Platinum on the Alcohol Electrooxidation Activity

Ozlem Sahin, Hilal Kivrak, Mustafa Karaman, Dilan Atbas

American Journal of Materials Science and Engineering. 2015, 3(1), 15-20 doi:10.12691/ajmse-3-1-4