Highlights Realistic air start-ups studied up to 1000 cycles, evidencing heterogeneities Severe catalyst ageing and moderate catalyst layer thinning observed at air inlet SU-AST effectively predicts degradation of thousands of air start-ups Dominant Pt instability highlighted, with parameters trends aligned to DoE Electrocatalyst AST A correlation for the ECSA decay with the start-up maximum potential is proposed.
Air-Start-Up of PEM Fuel Cells Under Automotive Conditions: Analysing Degradation Mechanisms via Accelerated Protocols Comparison
Colombo E.;Casalegno A.;Bisello A.;Rovatti L.;Baricci A.
2025-01-01
Abstract
Highlights Realistic air start-ups studied up to 1000 cycles, evidencing heterogeneities Severe catalyst ageing and moderate catalyst layer thinning observed at air inlet SU-AST effectively predicts degradation of thousands of air start-ups Dominant Pt instability highlighted, with parameters trends aligned to DoE Electrocatalyst AST A correlation for the ECSA decay with the start-up maximum potential is proposed.File in questo prodotto:
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Colombo_2025_J._Electrochem._Soc._172_064512.pdf
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