Synthesis and Electrochemical Performance of Graphene Wrapped Sn_xTi_1−xO₂ Nanoparticles as an Anode Material for Li-Ion Batteries

Figure 4

Cyclic voltammogram curves of solid solution with of 0.9 (a), 0.7 (b), and 0.4 (c) from the first cycle to the fifth cycle at a scan rate of 0.2 mV s⁻¹ in the voltage range of 0.0–2.0 V. (d) XRD patterns of Sn_0.9Ti_0.1O₂ and Sn_0.7Ti_0.3O₂ after Li⁺ insertion.

(a)

(b)

(c)

(d)