Fig. 5

In situ XAS at V K-edge for 60 s at applied potentials in the order of 0.0, 0.3, 0.6, 0.3, 0, −0.3, −0.6, −0.3, and 0 V. Insets display the enlargements of pre-peak intensities during delithiation (left) and lithiation (right)
In situ XAS at V K-edge for 60 s at applied potentials in the order of 0.0, 0.3, 0.6, 0.3, 0, −0.3, −0.6, −0.3, and 0 V. Insets display the enlargements of pre-peak intensities during delithiation (left) and lithiation (right)