fig8
Figure 8. Ex situ X-ray photoelectron spectra measured in a vacuum of Mo and O elements of (A) LMO and (B) LMO@CNF material after being discharged to 0.01 V at a current density of 100 mA g-1. At 3.0 V after one cycle, ex situ X-ray photoelectron spectra of Mo and O elements of (C) LMO and (D) LMO@CNF material.