Pretty much I'm basing this on the idea that the Magnet at the bottom there will have enough drawing power to seperate the Na(+) and the Cl(-)
-From there the valence electrons would come from the Chlorine, through the copper wire and into the Sodium...
My Experiment (http://img135.imageshack.us/img135/2817/chemicalinfiniteenergygh0.png)
Similar Experiment (http://www.miniscience.com/projects/airbattery)
Hopefully it will work.......
-If it doesn't....
--Happens....