fig8

Figure 8. Composite Li anodes constructed by alloying strategy. (A) Li deposition curves on Cu substrate and Au substrate; (B) Binary metal phase diagrams of Li-Cu or Li-Au. Reproduced with permission^[57]. Copyright 2016, Springer Nature; (C) Schematic diagram of the fabrication of the Li/Li₂₂Sn₅ foil; (D) TEM image of the Li₂₂Sn₅ electrode and the corresponding EDX mapping image of Sn element. Reproduced with permission^[116]. Copyright 2020, Springer Nature; (E) Schematic diagram of alloying and dealloying of Li_xAg; (F) CE test of Li₂₀Ag, Li₂₀Zn, and Li/Cu electrodes at a current density of 1mA·cm^-2 with an area capacity of 1mAh·cm^-2. Reproduced with permission^[108]. Copyright 2020, American Chemical Society; (G) Schematic diagram of the electrode healing process of the HLAA; (H) Binding energy of Li-Cu (left) and Li-HLAA (right). Reproduced with permission^[122]. Copyright 2021, American Chemical Society. TEM: Transmission electron microscopy; EDX: energy dispersive X-ray spectroscopy; HLAA: healable Li alloy anode.