Characterization of Pt-Pd/C Electrocatalyst for Methanol Oxidation in Alkaline Medium

Table 3

Calculated impedance parameters from the equivalent circuit for the methanol oxidation on Pt-Pd/C electrode in solution containing 0.5 M NaOH and 1.0 M methanol at 140 mV.

𝑅𝑠 (ohm)	CPE (mF)	𝑅ct (ohm)	𝑍𝑤 (ohm)
4.75	1.58	2.38	0.80