RESEARCH / A0218
H+-empowered potassium vanadate cathode: An electron/ion/interface trifecta for high-performance zinc-ion batteries
Read the original paper · 10.1016/j.jcis.2025.139812 ↗
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. Spectral tests of HKVO and KVO. (a) V K-edge XANES spectra, (b) EXAFS spectra and (c) Wavelet transform (WT) contour plots of HKVO, KVO, V-foil and standard V2O5; Model of water adsorption with H or K in HKVO (d) and KVO (e); Bader charge of HKVO (f) and KVO (g); Dynamic contact Angle tests of HKVO in first time (h), 2 s (i) and 10 s (j); Dynamic contact Angle tests of KVO in first time (l), 2 s (m) and 10 s (n); Immersion optical images of HKVO (k) and KVO (o).