Platinum Maps and Proton Paths: Diagnosing Fuel Cell Aging
In this episode of The Zero Emission Zone, we explore how platinum distribution within PEM fuel cell cathodes impacts the measurement of proton transport resistance. Drawing from new research by Mehrazi et al. at Bosch, we unpack why measuring at the right potential is crucial—and how impedance spectroscopy can double as a diagnostic tool for catalyst aging. AI-generated summary based on the published journal paper.https://doi.org/10.1149/1945-7111/adc344
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