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Overunity Machines Forum



KARPEN PILE

Started by Philip Hardcastle, May 22, 2014, 10:41:32 PM

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pomodoro

#275
July 25, 2014, 07:23:50 AM
Sorry but after 5 minutes I still cant locate the file,  but probably not Ag2O as the discharge is in the order of milliamps when its black.

The graphite is probably not waxed. Its smooth. If waxed the KOH wont saponify it as it would be parrafin wax.  I did the graphite so as not to waste the second  cell over the weekend. I'm thinking that the graphite, which is not smooth any more where its been used as an electode, has absorbed some air over time and is now reducing this absorbed oxygen.  If I really wanted to test it I would have to snap a piece and wrap it around the silver electrode, then stick it in the cell, because I also agree that the current setup is not too secure.

I'd love to test copper soon because I can fuse that in glass.   Still lots to learn at the moment, but in a few months some real truth will come out of this.

profitis

#276
July 25, 2014, 08:57:45 AM
I'm talking about your photo on page 17 pomodoro.what's going on in this pic,what is that bubble in the middle composed of. All graphite is waxed all the way through as binder and causes 2 problems: the fatty acid content definitely saponifies with KOH to some degree.the wax also drasticly reduces clean electrode surface area.alkaline zinc batteries use stainless steel rods instead of graphite nowadays.all graphite must be dewaxed then wholly contained in the system,there must be absolutely no possibility of air leaks.I've done tons of tests with carbon and it works beautiful in these cells except it takes much longer than silver to let go of atomic hydrogen.about 3 times longer.

profitis

#277
July 25, 2014, 09:08:11 AM
Copper..mmm (-: I don't want to let go of too many secrets here but yes it will be nice to try it.

profitis

#278
July 25, 2014, 09:34:31 AM
The only batteries that you will find with exposed-to-air graphite cathodes are zinc-air or indeed H2/air fuel cells

pomodoro

#279
July 25, 2014, 09:42:23 AM
That pic was after discharging the oxide.  It always remains brown but the pic made it look black. The shorted current was very low, but the yellow clip was not in the correct place and when I moved the cell air came in and the volts went up. So I refilled the cell with koh and saturated with hydrogen but left no bubble to make sure no air snuck in
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