fig5
![An overview of aqueous zinc-ion batteries based on conversion-type cathodes](https://image.oaes.cc/f86b8b04-5f0c-4a81-98e6-7f6e831f0579/4709.fig.5.jpg)
Figure 5. A: Structures and binding energies of different complexes by DFT calculations and the initial charge and discharge curves in different electrolytes. B: Schematic illustration of self-protection function of a Zn-I2 battery and electrolyte resistances based on different concentrations of P2VP. C: Schematic diagram of Zn-I2 battery configuration with hydrogel electrolytes. D: Schematic illustration of the structure of alginate-based hydrogels and Zn-I2 battery with an alginate-based hydrogel electrolyte. E: Schematic diagram of Zn-I2 batteries with different separators and optical images of the resistance property against triiodide of different separators. Figures reproduced with permission from Li et al.[48], Wang et al.[60], Soni et al.[49], Shang et al.[28] and Yang et al.[29]. DFT: density functional theory.