Fig. 3: X-PEEM chemical imaging and spatially-resolved XANES of the D-0.0 V electrode.
From: Surface chemical heterogeneous distribution in over-lithiated Li1+xCoO2 electrodes
a X-PEEM elemental composite mapping, b chemical distribution of the F-containing compounds (PVDF and LiF), c the O K-edge PCA and d Co L3-edge PCA analysis of the D-0.0 V electrode; the magnified P1 (e, f) and P2 (g, h) regions in c and d; i O K-edge and Co L3-edge XANES spectra extracted at various color regions from c and d.
