Corrigendum: Synthesis of Co0.5Mn0.1Ni0.4C2O4⋅nH2O Micropolyhedrons: Multimetal Synergy for High‐Performance Glucose Oxidation Catalysis. Issue 13 (1st July 2020) - Li, Nan; Li, Qing; Yuan, Meijuan; Guo, Xiaotian; Zheng, Shasha; Pang, Huan