Research Article
Characteristics and Electrochemical Performance of Hydroxyl-Functionalized Graphene Quantum Dot-Coated Si Nanoparticles/Reduced Graphene Hybrid Anodes for Advanced Li-Ion Batteries
Figure 11
Cycling performance of 0.2OH-GQD@Si/0.2rGO-1 and 0.3OH-GQD@Si/0.1rGO-2 (a) with corresponding galvanostatic charge and discharge profiles (b) at a current density of 100 mA g−1. Rate performance of 0.2OH-GQD@Si/0.2rGO-1 and 0.3OH-GQD@Si/0.1rGO-2 (c) with consistent galvanostatic charge and discharge profiles (d) at different current densities. Charge and discharge capacities of 0.2OH-GQD@Si/0.2rGO-1 and 0.3OH-GQD@Si/0.1rGO-2 with corresponding CE at a current density of 100 mA g−1 (e). The rate capability of 0.3OH-GQD@Si/0.1rGO-2 composite compared to prior works (f).
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