Figure 13. Photos of the used copper and zinc sheet. Top: before, bottom: after use as electrodes in the Cu-Zn battery. On top: white: the separators. The materials were winded as a sandwich: Cu - separator - Zn - separator. Metal loops at the end of the two metals were connected with alligator clips

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