fig2
From: Li2SO4 coating for enhanced electrochemical performance of Co-free, Li-rich layered oxide cathode
Figure 2. SEM-EDS images of (A) CF-LLC and (B) S-CF-LLC and their corresponding EDS mapping images; (C) XPS S 2p surface spectra of CF-LLC and S-CF-LLC; (D) XPS Li 1s surface spectra of CF-LLC and S-CF-LLC. SEM-EDS: Scanning electron microscopy-energy dispersive X-ray spectroscopy; CF-LLC: Co-free, Li-rich layered oxide cathodes; XPS: X-ray photoelectron spectroscopy;
