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Ragone plots about volumetric energy density and power density of this ASC and other devices with high mass loading of active materials from previous reports. MnOx//graphene [14], Fe2O3//Fe2O3 [41], graphene//MnO2//activated carbon (AC) [42], polypyrrole (Ppy)/MnO2//AC [43], MnOx//VOx [10], MnO2//WO3 [44], MnO2//activated carbon cloth (ACC) [2], MnO2//Fe2O3 [23], MnO2//Ppy [11], and NiOx//FeOx [45]
