RESEARCH / A0336
Reversible V4+/V5+ redox in Na4VFe (PO4) 3 cathode for high-power sodium-ion batteries
Read the original paper · 10.1016/j.cej.2025.161209 ↗
Source figures may contain other techniques and soft X-ray spectra. C, N and O measurements are outside our current hard-XAFS testing range.
Fig. 3. (a) The operando XRD Contour plot of NVFP-1.0 cathode collected at selected angle range. (b-d) Possible migration energy barriers for NVFP-1.0. (e) Ex-situ XANES spectra of Fe K-edge (I) and V K-edge (II); Fourier-transformed Fe K-edge (III) and V K-edge (IV) EXAFS spectra.