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. 2025 May 22;28(6):112729. doi: 10.1016/j.isci.2025.112729

Figure 6.

Figure 6

Zinc-nitrate battery behavior

Electrochemical evaluation of the dense MnO2/MXene-based Zn-NO3- battery in 0.5 M K2SO4 and 0.5 M KNO3: (A) schematic diagram; (B) open-circuit potential; (C) polarization discharge curves and power density; (D) FE and yield rate of NH3 in Zn-NO3- battery operated at different current densities; (E) discharging potentials at different current densities.