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Author Topic: Getting amps from small selfmade DIY Zinc Air cells, amazing !  (Read 121129 times)

derwood

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Re: Getting amps from small selfmade DIY Zinc Air cells, amazing !
« Reply #45 on: February 18, 2010, 02:52:57 AM »
Stefan, that piece of paper seems to be approximately 10 cm2 and you are getting 2.1 ma. the air electrode at the same size would produce 3 amps. I think the acrylic binder has to much resistance and will only work when submerged in the electrolyte. When submerged, there is a limited supply of O2 therefore current will always be low. I also tried the acrylic binder as an air electrode binder and found that it would not work. Try using a piece of copper the same size as your paper and the current will be around 500 ma.

hartiberlin

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Re: Getting amps from small selfmade DIY Zinc Air cells, amazing !
« Reply #46 on: February 20, 2010, 02:22:58 AM »
Okay, I will try the copper elektrode,
but if it will be consumed, that is not my goal.
The goal was to have just only one electrode that will
be consumed: the alufoil and the other electrode should NOT be consumed,
the graphite electrode.

For more info go to this thread:

http://www.overunity.com/index.php?topic=8782.msg229249#msg229249

derwood

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Re: Getting amps from small selfmade DIY Zinc Air cells, amazing !
« Reply #47 on: February 20, 2010, 04:54:43 AM »
Also, I have had better results with bleach electrolyte when using aluminum. The copper will not be consumed.

luishan

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Re: Getting amps from small selfmade DIY Zinc Air cells, amazing !
« Reply #48 on: April 09, 2010, 08:50:18 PM »
Check it Out.
The sample power of the Zinc Air Battery.

http://www.youtube.com/watch?v=SPXhNnMkpe8

Tenko

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Re: Getting amps from small selfmade DIY Zinc Air cells, amazing !
« Reply #49 on: June 30, 2010, 06:29:26 AM »
Wiki says that zinc-air batteries give off energy as the zinc oxidizes. And that they stop giving energy once the zinc is fully oxidized.