Corrigendum: Reconstruction of Highly Dense Cu−N4 Active Sites in Electrocatalytic Oxygen Reduction Characterized by Operando Synchrotron Radiation

In the Acknowledgments section of this Research Article one of the grant numbers (U20A200537) is incorrect. The correct grant number is U20A20250. The revised Acknowledgment is: “We gratefully acknowledge the support of this research by the National Natural Science Foundation of China (U20A20250, 22179034, 91961111, 22005078). Thanks for Shanghai Synchrotron Radiation Facility's help in XAFS test.” The authors apologize for this oversight.