RESEARCH / A0256
Hollow Schottky Heterostructures for Highly Efficient Bifunctional Oxygen Electrocatalysis in Zinc-Air Batteries
Read the original paper · 10.1021/acssuschemeng.5c09889 ↗
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 4. (a) XANES spectra at the Fe K-edge for Fe foil, Fe3O4 and H−FeCo/FeCoO, (b) the k2-weighted χ(k) EXAFS spectra at the Fe K-edge, (c) EXAFS k3-weighted signal with wavelet transform, (d) XANES spectra at the Co K-edge for Co foil, Co3O4 and H−FeCo/FeCoO, (e) the k2- weighted χ(k) EXAFS spectra at the Co K-edge, (f) EXAFS k3-weighted signal with wavelet transform, (g,j) XRD patterns (h,i) LSV curves of H− FeCo/FeCoO before (yellow) and after (blue) 0.5 M HCl leaching treatments, (k,l) LSV curves of H−FeCo/FeCoO before (yellow) and after (red) 6 M HCl leaching treatments.