fig2
![Research progress on the surface/interface modification of high-voltage lithium oxide cathode materials](https://image.oaes.cc/5da8a8a3-9ee3-4e20-a9a4-554c8b071d0e/4874.fig.2.jpg)
Figure 2. Metal oxide and fluoride surface modification for lithium oxide cathode materials. (A) Schematic of the working mechanism of AZO coating layer and improved cycling stability. Reproduced from Ref.[75] with permission from Elsevier. (B) Cyclic performance enhancement of in situ ZrO2-coated NCM622 cathode and scanning electron microscopy (SEM) images after 100 cycles for NCM622 with and without the coating. Reproduced from Ref.[88] with permission from Elsevier. (C) Schematic of TiO2 coating process for