fig10

Figure 10. (A) Design synthesis strategy of CeO_x/CoS, (B and C) SEM and TEM images of CoS, (D-G) SEM and TEM images of CeO_x/CoS. Reproduced with permission^[172]. Copyright 2018, Wiley-VCH. (H) Schematic diagram of Ni-MOF@Pt catalyst synthesis, (I) Performance of Ni-MOF@Pt catalyst HER. Reproduced with permission^[179]. Copyright 2019, American Chemical Society. (J) The process for the preparation of porous CoFeNi-LDH catalyst, (K) SEM images of p-Co_0.34Fe_0.33Ni_0.33-LDH, (L) TEM images of p-Co_0.34Fe_0.33Ni_0.33-LDH, (M) HR-TEM images of p-Co_0.34Fe_0.33Ni_0.33-LDH, (N) SEM images of h-Co_0.34Fe_0.33Ni_0.33-LDH, (O) TEM images of h-Co_0.34Fe_0.33Ni_0.33-LDH, (P) HR-TEM images of h-Co_0.34Fe_0.33Ni_0.33-LDH. Reproduced with permission^[181]. Copyright 2020, Wiley-VCH.