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Figure 2 | Nanoscale Research Letters

Figure 2

From: Hollow Nanostructured Anode Materials for Li-Ion Batteries

Figure 2

a Schematic presentation of the fabrication of nanographene-constructed hollow carbon nanospheres (NGHCs); b diffusion of lithium ions and electrons during charge/discharge processes of the NGHCs electrode. In the exterior walls of NGHCs, nanochannels arrange perpendicularly to the surface of curved nanospheres, which is favorable for Li+ diffusion from different orientations; the interior graphitic solid walls facilitate the collection and transport of electrons during the cycling process [29]

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