Rich Surface Oxygen Vacancies of MnO₂ for Enhancing Electrocatalytic Oxygen Reduction and Oxygen Evolution Reactions

Abstract

DOI: 10.1002/aesr.202100030 In this article, the XRD pattern of β-MnO2-air appeared twice in Figure 2b due to wrong label of original XRD data during the data processing. The figure should have appeared as shown below. These errors do not affect the conclusions of the report. The authors apologize for any inconvenience caused.