RESEARCH / A0232
Compositional gradient design and microstructural engineering enable ultra-stable quinary Ni-rich cathodes in high-voltage pouch cells
Read the original paper · 10.1016/j.scib.2025.12.007 ↗
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. 5 Post-modern evaluations and schematic diagram of stability improvement mechanism. (a) TOF-SIMS 3D sputtering images of POF2−, C2HO−, NiF3−, and MnF3− fragments, (b) statistical results of C 1s, F 1s, and O 1s XPS spectra, (c) TMs contents deposited on Li anode, and (d, e) HRTEM, local magnified graphs (I, II, III) with the corresponding FFT images after 100 cycles for g-NCMAB and NCMAB. (f) XANES spectra, (g) k3-weighted FT-EXAFS, and (h) corresponding WT-EXAFS recorded at Ni K-edge before and after 100 cycles for g- NCMAB and NCMAB. (i) Schematic diagram of stability improvement mechanism.