The Electrode Materials of Supercapacitor Based on TiO₂ Nanorod/MnO₂ Ultrathin Nanosheet Core/Shell Arrays

Figure 4

SEM images of TiO₂ nanorods (a, b) prepared by the high-temperature hydrothermal method and TiO₂/MnO₂ core-shell structure composite materials (TMnO-1 (c, d), TMnO-2 (e, f), and TMnO-3 (g, h)).

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