Synthesis and characterization of high-quality cobalt vanadate crystals and their applications in lithium-ion batteries

Figures & data

Figure 1. Thermogravimetric curve for phase formation process of CoV₂O₆ sample. The inset represents the heating program employed.

Figure 2. X-ray diffraction patterns of the CoV₂O₆ crystalline powder.

Figure 3. FT-IR spectrum of the CoV₂O₆ sample.

Figure 4. SEM images at different magnifications of the CoV₂O₆ sample.

Figure 5. Temperature-dependent electrical resistivity of the CoV₂O₆ sample.

Figure 6. Variation of ln of conductivity with inverse temperature for the CoV₂O₆ sample.

Figure 7. Frequency-dependent (a) impedance, (b) capacitance, (c) dielectric constant (d), and magnetic induction of the CoV₂O₆ sample.

Figure 8. The UV–visible absorption spectrum of the CoV₂O₆ sample.