Research / 2020 / Article / Fig 2

Review Article

Recent Advances in Self-Supported Layered Double Hydroxides for Oxygen Evolution Reaction

Figure 2

(a) Schematic illustration of the fabrication process for the self-supported 3D core-shell Cu@NiFe LDH electrocatalysts (RT: room temperature), (b) SEM images of Cu nanowires, (c) TEM image of Cu@NiFe LDH, (d) EDS line scan spectrum of Cu@NiFe LDH, (e) polarization curves of Cu@NiFe LDH measured in 1 M KOH, and (f) chronopotentiometry curves of Cu@NiFe LDH at constant current densities of 10 and 100 mA cm-2 [35]. Copyright 2018, the Royal Society of Chemistry. (g) Low-magnification FESEM image and (h) elemental mapping images of NiFe2O4 nanoparticles/NiFe LDH [59]. Copyright 2018, American Chemical Society. (i) SEM image of NiFe LDH@NiCoP/NF and (inset) high-resolution image of its NiFe LDH@NiCoP nanowires and (j) TEM image and (k) EDS mapping of a specific NiFe LDH@NiCoP nanowire [60]. Copyright 2018, Wiley-VCH.

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