Abstract
We present the first combination of a bipolar interface fuel cell with a commercial Fe–N/C catalyst as an alkaline cathode and a PGM-based, acidic anode, both separated by a proton exchange membrane (PEM).
Highlights
In present-day research PEMFCs are the prevailing fuel cell type for PGM-free oxygen reduction reaction (ORR) catalysts, like Fe– N/C
Comparing the fuel cell performance of the d-bipolar membrane fuel cell (BPMFC) to a classical PEMFC (Fig. 9) with identical Fe–N/C cathode loading and proton exchange membrane (PEM)-thickness, it becomes obvious that the measured maximum power density of the BPMFC was still relatively lower than the power density achieved with the conventional PEMFC
Polarization data and electrochemical impedance spectroscopy (EIS) analysis revealed the interface at the alkaline CCL and the PEM (AEM|PEM-interface) as a crucial element for designing membrane electrode assembly (MEA) operating in a bipolar con guration
Summary
In present-day research PEMFCs are the prevailing fuel cell type for PGM-free oxygen reduction reaction (ORR) catalysts, like Fe– N/C.
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