Figure 3

Galvanostatic charge-discharge profiles of Si@C-based electrodes at a current density of 0.5 A g−1 between 0.005 and 1.2 V (vs. Li/Li+): (a) PVDF/AB/Si@C, (b) CNT/Si@C (c) CNT/NH2-Si@C, and (d) CNT/EDC/NH2-Si@C.

Galvanostatic charge-discharge profiles of Si@C-based electrodes at a current density of 0.5 A g−1 between 0.005 and 1.2 V (vs. Li/Li+): (a) PVDF/AB/Si@C, (b) CNT/Si@C (c) CNT/NH2-Si@C, and (d) CNT/EDC/NH2-Si@C.