Highlights Extreme regions of cathode channel (air inlet and outlet sections) are the most critical in terms of degradation. Higher loss of electrocatalyst active area for air outlet section and higher R rf ′ ( d R PI / d rf − 1 ) for degradation under air inlet conditions. Relationship between oxygen transport resistance and Pt roughness factor dependent on local operating conditions during ageing. Cracks formation during ageing under low cathode RH conditions.
Evaluation of PEM Fuel Cell Degradation Through Accelerated Stress Tests to Investigate Heterogeneity of Ageing
Mora D.;Colombo E.;Casalegno A.;Baricci A.
2025-01-01
Abstract
Highlights Extreme regions of cathode channel (air inlet and outlet sections) are the most critical in terms of degradation. Higher loss of electrocatalyst active area for air outlet section and higher R rf ′ ( d R PI / d rf − 1 ) for degradation under air inlet conditions. Relationship between oxygen transport resistance and Pt roughness factor dependent on local operating conditions during ageing. Cracks formation during ageing under low cathode RH conditions.File in questo prodotto:
| File | Dimensione | Formato | |
|---|---|---|---|
|
Mora_2025_J._Electrochem._Soc._172_044509.pdf
Accesso riservato
Descrizione: Manusctipt
:
Publisher’s version
Dimensione
2.87 MB
Formato
Adobe PDF
|
2.87 MB | Adobe PDF | Visualizza/Apri |
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
