Oops. slight correction :-)
Going by Figure 1 on page 4 of Szpak's paper:
I can't see how 1,000 to 3,000 volts per cm (across the cell) could result in any
effect on the electrolyte.
Review past physics 101:
1/Ctotal = 1/C1 +1/C2 +1/C3
C2 is the electrolyte in the middle.
Frederick

