Figure 16. Top: charge for charging and for discharging. Bottom: charge energy: 2.57 J, discharge energy: 0.55 J, efficiency: 25%

From

Experimental Investigations of Alkaline Silver-zinc and Copper-zinc Batteries

A. Habekost

World Journal of Chemical Education. 2016, 4(1), 4-12 doi:10.12691/wjce-4-1-2