Fig. 14

XRD of LiCoO₂ electrodes after cycling. LiCoO₂ materials were prepared with different precursors: 8-LiO^tBu (square), 10-LiOⁱPr (⋄), 12-LiOMe (triangle) and 1-LiOPh (circle) precursors; the aluminum peak stems from the current collector of the electrode