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Revealing in-plane movement of platinum in polymer electrolyte fuel cells after heavy-duty vehicle lifetime - Nature Catalysis

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Revealing in-plane movement of platinum in polymer electrolyte fuel cells after heavy-duty vehicle lifetime - Nature Catalysis

Fuel cell heavy-duty vehicles (HDVs) require increased durability of oxygen-reduction-reaction electrocatalysts, making knowledge of realistic degradation mechanisms critical. Here identical-location micro-X-ray fluorescence spectroscopy was performed on membrane electrode assemblies. The results exposed heavy in-plane movement of electrocatalyst after HDV lifetime, suggesting that electrochemical Ostwald ripening may not be a local effect.

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Revealing in-plane movement of platinum in polymer electrolyte fuel cells after heavy-duty vehicle lifetime - Nature Catalysis

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Revealing in-plane movement of platinum in polymer electrolyte fuel cells after heavy-duty vehicle lifetime - Nature Catalysis

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