fig5

Figure 5. Schematic illustrations of porous metal preparation via dealloying fabrication methods. (A) Schematic illustration of fabrication procedures of P-Sb. Reproduced with permission^[37] (Copyright 2020, Elsevier B.V.). (B) Preparation of bulk 3D porous-Si by dealloying in a metallic melt. Reproduced with permission^[47] (Copyright 2014, ACS Publications). (C) Schematic illustration of fabrication procedures of 3D porous Si. Reproduced with permission^[48] (Copyright 2016, Elsevier B.V.). (D) Schematic illustration for the multi-step synthesis of ultrafine Si porous structures. Reproduced with permission^[49] (Copyright 2020, Kluwer Academic Publishers).