fig2

Figure 2. (A) Schematic illustration of the Li⁺ interaction and deintercalation from the spinel Li₄Ti₅O₁₂ structure at (a) 3, (b) 1-3 and (c) 0.01-1 V^[83]. Reproduced from Ref.^[83] with permission from Elsevier. (B) Interface model between Li₅Cr₇Ti₆O₂₅ and CeO₂^[90]. Reproduced from Ref.^[90] with permission from the American Chemical Society.