Nitrogen-coordinated iron catalysts are exciting potential replacements for platinum at the cathode of proton-exchange membrane fuel cells, but still tend to have poor long-term durability. Now, a thin and porous nitrogen-doped carbon film deposited at the surface of a highly active but unstable Fe–N–C catalyst is shown to drastically improve its stability.
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figure adapted from ref. 3, Springer Nature Ltd.
Change history
15 July 2022
In the version of this article initially published online, there was an error in the units shown in the y-axis of Fig. 1, where “(mA cm–2)” rather than “(A cm–2)” should have appeared.
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Dodelet, JP. Layer of stability. Nat Energy 7, 578–579 (2022). https://doi.org/10.1038/s41560-022-01082-x
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DOI: https://doi.org/10.1038/s41560-022-01082-x
