Fan, Z., Yin, S., Miao, W., Zhou, Y., Zhao, W., Yin, Y., Yu, H., Lin, L., Hou, L., Wan, H., Wang, Y., Ge, J. (2026). Linker Group Directed High Mass Activity Fe–N–C Cathode in Proton Exchange Membrane Fuel Cells. Advanced Materials. https://doi.org/10.1002/adma.202518053