Fig. 2
From: Electrochemically activated spinel manganese oxide for rechargeable aqueous aluminum battery
Structure characterization of AlxMnO2·nH2O. a XRD patterns of Mn3O4 and AlxMnO2·nH2O. b, c TEM image of the pristine Mn3O4, inset: SAED spectra. d, e TEM image of AlxMnO2·nH2O, inset: SAED spectra. f, g TEM image of Mn3O4 after discharge, inset: SAED spectra. Scale bar: 100 nm for b, d, f; 10 nm for c, e, g; 10 1/nm for inset in b, d, f
