Fig. 6. Recyclable properties of the CPZ-H electrolyte in a Zn/MnO2 full cell.
a Schematic diagram of a CPZ-H electrolyte recycling process and optical photographs of various stages in the actual recycling process. b Voltage profiles of symmetric cells with Zn/rCPZ-H anodes. c Cyclic performance of a Zn/CPZ-H//MnO2 full cell at a current density of 5 A g−1. d, e Rate performance and capacity retention of a Zn/rCPZ-H//MnO2 full cell. f Photographs of an elevator device powered by a Zn/rCPZ-H//MnO2 full cell.