Posted earlier.
>
> With our cell adding a very small amount of baking
> soda increased the current from 2 milliamperes up
> to 21 milliamperes.
> Gas yield tests are under way using balloons so that
> pressure or vacuum in the electrolysis chamber can be handled.
>
At 17-19 milliamperes, several hours of electrolysis yielded only small
gas production on the 12-plate (SS each 70 cm^2 spaced 1.0 cm) with 12
volts DC applied to the end plates (11 cells in series).
More NaHCO3-water solution was fed to the sealed cell, which
increased the current to 500 milliamperes.  (6 watts at ~ 1.1 volts/cell)
The balloon inflated post haste.  :-)
Total cell resistance 24 ohms, ohms/cell 24/11 = 2.2 ohms
Electrolyte resistivity (rho) = 70 * 2.2 = 153 ohm-cm
 
This is in contrast with the 4-circular-concentric-cell "Joe Cell"
(with 1 Megohm-cm water with dissolved CO2)
Total Resistance ~ 10,000  ohms = 1.2 milliamperes at 12 volts DC. 
Series Capacitance ~2.8 to  ~5.6 nanofarads/cell
 
_____________________________________ 6 inch dia outer cylinder Anode.
     ________________________________ 5.25 inch dia
     ______________________________   4.25 inch dia
         _________________________ 3.25 inch dia
               ___________________ 2.0 inch dia  Cathode
        

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