The current status on the understanding of the various operational aspects of high
temperature proton exchange membrane fuel cells (HT-PEMFC) has been summarized. The …

Because the AC impedance technique, also known as electrochemical impedance
spectroscopy (EIS), is being utilized by more and more researchers in proton exchange …

Electrochemical impedance spectroscopy data of a polymer electrolyte membrane fuel cell
are compiled across a wide range of operating conditions. In all cases, homogeneous …

To meet the power density, reliability, and cost requirements that will enable a widespread
use of fuel cells, many research activities focus on an understanding of the thermodynamics …

Electrochemical impedance spectroscopy is a suitable and powerful diagnostic testing
method for fuel cells because it is non-destructive and provides useful information about fuel …

Diagnosis of stack performance is of importance to proton exchange membrane (PEM) fuel
cell research. This paper presents the diagnostic testing results of a 500W Ballard Mark V …

Degradation of PEMFC performance under dynamic loading cycling situation was studied by
simulating automotive working conditions. A protocol of driving cycle was set up. Each …

Electrochemical impedance spectroscopy is the most common experimental technique for
measuring the charge-transport properties of catalyst layers. Such a measurement relies on …

AC impedance or electrochemical impedance spectroscopy (EIS) has been demonstrated to
be a powerful technique for characterizing and evaluating fuel cells. In this work, as an …

Nowadays, proton exchange membrane fuel cells (PEMFC) are candidate as middle term
power sources for automotive, stationary generation and portable power applications. In …