Effect of Metal (Mn, Ti) Doping on NCA Cathode Materials for Lithium Ion Batteries

Figure 7

Enlarged cross-sectional FE-SEM images of (a)-(c) fresh electrodes and (d)-(f) after discharging 10 cycles of (a), (d) for NCA, (b), (e) for NCA-Mn, and (c), (f) for NCA-Ti electrodes. The inset images are low magnification FE-SEM images of each electrode.

(a)

(b)

(c)

(d)

(e)

(f)