RESEARCH / A0288
Closed‐Loop Iodine‐Oxygen Electrochemistry for High‐Reversibility Neutral Zinc–Air Hybrid Batteries
Read the original paper · 10.1002/aenm.202503298 ↗
Source figures may contain other techniques and soft X-ray spectra. C, N and O measurements are outside our current hard-XAFS testing range.
Figure 2. Structural characterizations of the FeN-HNPC electrocatalyst. a) Synthetic procedure of the FeN-HNPC. b) Normalized Fe K-edge XANES spectra. c) FT-EXAFS spectra in R-space for FeN-HNPC with the Fe foil and FePc reference samples. d) WT-EXAFS plots of FeN-HNPC with the Fe foil and FePc reference samples. e) TEM image, f) HRTEM image, g) AC-HAADF-STEM image of the FeN-HNPC. h) The measured surface contact angles and O2 bubbles adhesion behavior evolution on the surfaces at the FeN-HNPC and FeN-NPC electrodes. i) COMSOL Multiphysics Modeling of O2 diffusion into the FeN-HNPC and FeN-NPC air electrode.