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Figure 10 | Nanoscale Research Letters

Figure 10

From: Hollow Nanostructured Anode Materials for Li-Ion Batteries

Figure 10

SEM and TEM characterizations of spindle-like Co3O4 porous and hollow nanocapsules: a low-magnification SEM image exhibiting that these spindle-like nanocapsules have porous shell; b low-magnification TEM image showing a single porous Co3O4 nanocapsule; c high-magnification TEM image indicates that the porous shell consists of a great deal of Co3O4 nanocrystals in the size of ~20 nm. The inset is the SAED pattern taken from a single nanocapsule, indicating that these porous nanocapsules are polycrystalline; d HRTEM image of Co3O4 nanocrystals revealing the (111) lattice plane

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