fig3
![An overview of aqueous zinc-ion batteries based on conversion-type cathodes](https://image.oaes.cc/f86b8b04-5f0c-4a81-98e6-7f6e831f0579/4709.fig.3.jpg)
Figure 3. A: Charge and discharge curves of S@CNTs-50 cathode in different electrolytes. B: Charge and discharge curves of SeS2@PCS in different electrolytes and calculated Eads values of different ligands by DFT. C: Schematic diagram of the structure and the working mechanism of Zn-S batteries with a redox-ion charge-carrier electrode. D: Schematic diagram of the working mechanism of a cascade battery in the discharge process. Figures reproduced with permission from Li et al.[44], Li et al.[25], Wu et al.[26] and Dai et al.[42,57]. DFT: Density functional theory.