Figure 8.

a) Phase diagram of Li–Mg alloy. Reproduced with permission.^{[ 49 ]} Copyright 2019, Wiley‐VCH. b) Phase diagram of Li–Na alloy. Reproduced with permission.^{[ 140 ]} Copyright 2020, American Chemical Society. c) Schematic illustration of casting Li–C composite on garnet SSEs. Reproduced with permission.^{[ 50 ]} Copyright 2019, Wiley‐VCH. d) Schematic representation of the fabrication of Li–C₃N₄ composite and the interfacial contact of Li–C₃N₄/garnet. Reproduced with permission.^{[ 51 ]} Copyright 2020, Wiley‐VCH.