SnO₂-Based Nanomaterials: Synthesis and Application in Lithium-Ion Batteries and Supercapacitors

Figure 4

SEM images of (a) MnO₂ nanorods and ((b), (c)) SnO₂ nanotubes. ((d), (e)) TEM images of SnO₂ nanotubes. (f) N₂ adsorption-desorption isotherm with the BJH pore-size distribution in the inset, adapted from [11] with permission.

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