On the role of pore constrictions in gas diffusion electrodes.

Michele BozzettiAnne BergerRobin GirodYen-Chun Chen Felix N BüchiHubert A GasteigerVasiliki Tileli

Published in: Chemical communications (Cambridge, England) (2022)

Water management by gas diffusion electrodes is a fundamental aspect of the performance of electrochemical cells. Herein, we introduce the characteristic constrictions size as a descriptor for microporous layers (MPL). This parameter is calculated by volumetric analysis of focused ion beam nanotomography and compared to mercury intrusion porosimetry measurements.

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