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Facile Synthesis of V2O5 Hollow Spheres as Advanced Cathodes for High-Performance Lithium-Ion Batteries

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Figure

Figure 1 shows the typical SEM images of the as-prepared samples. As shown in Figure 1a, the
Figure 2. XRD patterns (a) and Raman spectra (b) of the V2O5 samples.
Figure 3. Cyclic voltammograms of V2O5-400 cathode at a scan rate of 0.1 mV·s−1.
Figure 5. Cycling performance of V2O5-300, V2O5-400 and V2O5-500 cathodes at 0.2 C.
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