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Guo, F. J.; Zhang, M. Y.; Yi, S. C.; Li, X. X.; Xin, R.; Yang, M.; Liu, B.; Chen, H. B.; Li, H. M.; Liu, Y. J. Metal-coordinated porous polydopamine nanospheres derived Fe3N-FeCo encapsulated N-doped carbon as a highly efficient electrocatalyst for oxygen reduction reaction. Nano Res. Energy 2022, 1: e9120027. DOI: 10.26599/NRE.2022.9120027. https://doi.org/10.26599/NRE.2022.9120027 .

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