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FUEL CELLS

Solving the activity–stability trade-off riddle

Atomically dispersed and nitrogen-coordinated single iron site catalysts hold great promise to replace platinum for proton-exchange membrane fuel cells, but they suffer from significant performance loss. Now, solving the conundrum to distinguish durable and non-durable FeN4 active sites can guide high-performance catalyst design.

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Fig. 1: In situ identification of active sites in Fe–N–C catalysts.

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Correspondence to Gang Wu.

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Liu, S., Shi, Q. & Wu, G. Solving the activity–stability trade-off riddle. Nat Catal 4, 6–7 (2021). https://doi.org/10.1038/s41929-020-00567-w

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