Research Article
Use of Electrochemical Impedance Spectroscopy for the Evaluation of Performance of PEM Fuel Cells Based on Carbon Cloth Gas Diffusion Electrodes
Figure 7
An example of modeling: equivalent circuits at low current density (a) and at high current density (b) for two spectra obtained for sample GDE2 anode at low inlet gas flow rate. Rp (a) and Rp + Rd (b) are highlighted in order to clarify how the general output of the adopted procedure was obtained.
| (a) |
| (b) |