fig2
![Carbon-supported single-atom catalysts for advanced rechargeable metal-air batteries](https://image.oaes.cc/1c15364d-baf5-4e2f-8077-3dd6f251bd06/4826.fig.2.jpg)
Figure 2. (A) Zn-air battery cell. Reproduced with permission: Copyright 2019, Wiley[79]. (B) Zn-CO2 battery cell. Reproduced with permission: Copyright 2019, American Chemical Society[82]. (C) Li-O2 battery cell. Reproduced with permission: Copyright 2020, American Chemical Society[87]. (D) Li-CO2 battery cell. Reproduced with permission: Copyright 2019, Royal Society of Chemistry[93].