fig3

Figure 3. (A-D) Types of layered oxide cathode (LOC) and their crystal structures. (A-D) Reproduced with permission^[89]. Copyright 2017, Wiley-VCH GmbH; (E) Advantages and disadvantages of P2 and O3 LOC; (F) Comparative analysis of charge-discharge profiles for Li/Li_1-xCoO₂ and Na/Na_1-xCoO₂ cells. (F) Reproduced with permission^[51]. Copyright 2014, American Chemical Society; (G) History of layered oxide cathode materials and Ni-based and Ni-rich layered oxide cathode for SIBs. SIBs: Sodium-ion batteries.