fig2

Figure 2. (A) The cyclic voltammetry of LM-W10/CF and LM/CF at 0.5 mV/s; (B) Nyquist plots of fresh and after five cycles of Li||LM-W10/CF and Li||LM/CF in half cells (The inset is an enlarged image); (C-F) XPS spectra comparison of different elements (Ga 3d, Sn 3d, ln 3d and W 4f).