Figure 7
From: Computational studies of solid-state alkali conduction in rechargeable alkali-ion batteries
Comparison of calculated barriers for Na+ and Li+ diffusion in the (a) layered O3 (di-vacancy mechanism) and (b) olivine structures. LCO: LiCoO2; NCO: NaCoO2, FP: FePO4; LFP: LiFePO4; NFP: NaFePO4. Na barriers are higher compared with Li barriers in close-packed olivine but lower compared with Li barriers in the more open-layered structure. Reproduced with permission from Ong et al.11
