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Figure 5 | Nanoscale Research Letters

Figure 5

From: Hollow Nanostructured Anode Materials for Li-Ion Batteries

Figure 5

a SEM image of V2O5–SnO2 double-shelled nanocapsules. Inset shows the schematic structure of these double-shelled nanocapsules. The red spheres represent SnO2 nanocrystals and the green double shells represent the V2O5 matrix; b low-magnification TEM images; c, d high-magnification TEM images indicate that the porous shell consists of a great deal of nanocrystals with the thickness of R 1R 2 = 90 nm; eg HRTEM images revealing lattice planes of V2O5 matrix and SnO2 nanocrystals; h SAED pattern taken from individual nanocapsules which shows that these nanocapsules are polycrystalline. Reproduced with the permission of American Chemical Society from [46]

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