Fig. 4-2-2-1 Comparison of H₂O electrolyte cell properties
by method of nonelectrolytic plating

Fig. 4-2-2-2 Parameters affecting stack design

Fig. 4-2-2-3 2,500 cm²x 4-cell stack and support

Fig. 4-2-2-4 Results of energy efficiency measurement
for the single-stage stack

Fig. 4-2-2-5 Results of energy efficiency measurement for the
2,500 cm²x 4-stage stack