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. 2025 Jun 8;64(31):e202504935. doi: 10.1002/anie.202504935

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© 2025 The Author(s). Angewandte Chemie International Edition published by Wiley‐VCH GmbH

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Electrocatalytic performance of Fe₂N_nc/Fe₁‐N‐C nanorods. a) LSV curves and b) corresponding Tafel plots of Fe₂N_nc/Fe₁‐N‐C, Fe₁‐N‐C and Pt/C, c) comparison of ORR performance with advanced Fe‐N‐C based electrocatalysts in alkaline conditions. d) chronoamperometric stability test of Fe₂N_nc/Fe₁‐N‐C and Pt/C. e) Rate curves at different current density and f) curves of discharge polarization and the corresponding power density of Fe₂N_nc/Fe₁‐N‐C and Pt/C, g) charge‐discharge cycling curves of rechargeable ZABs using Fe₂N_nc/Fe₁‐N‐C + RuO₂ and Pt/C + RuO₂ mixtures as cathode catalysts. h) AEMFC performance obtained by using Fe₂N_nc/Fe₁‐N‐C and Fe₁‐N‐C as cathode catalyst with a loading mass of 2 mg cm⁻².