2024
DOI: 10.1038/s41529-024-00524-z
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Simultaneous accelerated stress testing of membrane electrode assembly components in polymer electrolyte fuel cells

Wataru Yoshimune,
Akihiko Kato,
Tetsuichiro Hayakawa
et al.

Abstract: The durability of polymer electrolyte fuel cells (PEFCs) in fuel cell electric vehicles is important for the shift from passenger cars to heavy-duty vehicles. The components of a PEFC, namely the proton exchange membrane (PEM), catalyst layer (CL), and gas diffusion layer (GDL), contribute to the degradation of the fuel cell performance. In this paper, we propose a method for simultaneously evaluating the degradation rates of these components by combining electrochemical characterization with operando synchrot… Show more

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