A Review on the Synthesis of Manganese Oxide Nanomaterials and Their Applications on Lithium-Ion Batteries

Figure 2

(a) SEM image of hierarchical ε-MnO₂ architectures, the inset is high-magnification SEM image of one architecture, and (b) SEM image of hierarchical flower-like Ag-doped MnO₂ nanostructures [12, 13].

(a)

(b)