fig5

Figure 5. (A) Schematic of the synthesis for C-NFF_(x:y)-LDH_(t)/Fe₂O₃; (B) In situ Raman spectra of C-NFF_(5:5)-LDH₍₆₎/Fe₂O₃ at different potentials^[59]. Reproduced under the terms of the Creative Commons Attribution License; (C) Morphology evolution and SEM mages of A-NiFe/NF electrode during the atmosphere corrosion process; (D) EDX probe locations on the STEM image of A-NiFe-LDH; (E) Point-by-point deviation of Ni/Fe atom-ratio on the A-NiFe and Lc-NiFe obtained from the EDX dot-analysis, zero represents the corresponding average value^[60]. Reproduced under the terms of the Creative Commons Attribution License; (F) Synthesis diagram of NiFe-LDH macroporous array electrodes: (G) NiFe-LDH/FHO stability test at 500 mA·cm^-2 for 1,000 h. Reproduced with permission^[61]. Copyright 2023, Wiley-VCH. NFF: NiFe foam; LDH: layered double hydroxide; SEM: scanning electron microscope; NF: nickel foam; EDX: energy-dispersive X-ray spectroscopy; STEM: scanning transmission electron microscopy.