RESEARCH / A0140
Sub/surface dual-modification engineering empowering single-crystalline Ni-rich cathodes with superior long-term cyclability
Read the original paper · 10.1016/j.cej.2026.175948 ↗
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. 1. (a, b) SEM images of SCNCM83 and SCNCM83-3AMO. (c) HAADF-STEM images of SCNCM83. (d, e) HRTEM and HAADF-STEM images of SCNCM83-3AMO. (f) EELS spectra of the Ni L-edges and O K-edges extracted from the surface to the inside region of SCNCM83-3AMO. (g) Ni K-edge XANES spectra, (h) corresponding FT-EXAFS spectra, and EXAFS WT images of SCNCM83 and SCNCM83-3AMO.
Fig. 4. Ni K-edge spectra for (a) SCNCM83 and (b) SCNCM83-3AMO collected from the cathodes before and after 50 and 100 cycles at 4.5 V and (c) comparison of derivative plots for the pre-edge peaks after 100 cycles. (d) Corresponding EXAFS analysis and (e, f) 2D FT contour plots. (g, h) In situ DEMS analysis of SCNCM83 and SCNCM83-3AMO