Figure 2.

History of involving “entropy” to develop SEs. The crystal structures of cubic oxide framework, Reproduced with permission.[ 42 ] Copyright 2014, Springer Nature; Li Argyrodite sulfide, Reproduced with permission.[ 55 ] Copyright 2022, The American Chemical Society; NASICON oxide, Reproduced with permission.[ 20 ] Copyright 2022, AAAS; Li Garnet oxide, Reproduced with permission.[ 20 ] Copyright 2022, AAAS; LGPS‐type sulfide, Reproduced with permission.[ 19 ] Copyright 2023, AAAS; Li metal halide, Reproduced with permission.[ 21 ] Copyright 2024, Springer Nature, are illustrated. The transition metal phosphorus sulfide SEs represents Li x (Fe1/5Co1/5Ni1/5Mn1/5Zn1/5)PS3. Reproduced with permission.[ 18 ] Copyright 2023, The American Chemical Society.