fig3

From: Full concentration gradient Li-rich layered oxides cathode materials via kinetic regulation of heterogeneous nucleation growth

Figure 3. Morphology and structural characterization of LR-113 and LR-FCG. (A) Cross-sectional SEM image of LR-113; (B) Cross-sectional EDS line-scan profiles of LR-113; (C) Rietveld-refined XRD pattern of LR-113; (D) Cross-sectional SEM image of LR-FCG; (E) Cross-sectional EDS line-scan profiles of LR-FCG; (F) Rietveld-refined XRD pattern of LR-FCG; (G) Comparison of phase fractions for LR-113 and LR-FCG obtained from Rietveld refinement; (H) Raman spectrum of LR-113 collected with an excitation wavelength of 532 nm; (I) Raman spectrum of LR-FCG collected with an excitation wavelength of 532 nm. LR-FCG: Li-rich layered oxide; EDS: energy-dispersive X-ray spectroscopy; SEM: scanning electron microscopy; XRD: X-ray diffraction.