Figure 3

(a) Cross section two dimensional mapping of absorption energy at Fe K-edge in LiFePO4 composite electrodes. Current collector is located at the bottom side. (b) Absorption edge energy as a function of distance from the current collector.
(a) Cross section two dimensional mapping of absorption energy at Fe K-edge in LiFePO4 composite electrodes. Current collector is located at the bottom side. (b) Absorption edge energy as a function of distance from the current collector.