Figure 4

(a) dQ/dV profiles of the series of half-cells of Si@C-based anodes at a current density of 0.5 A g−1 (first lithiation), and EIS spectra (b) after 5 cycles.

(a) dQ/dV profiles of the series of half-cells of Si@C-based anodes at a current density of 0.5 A g−1 (first lithiation), and EIS spectra (b) after 5 cycles.