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video Make a Zinc Air Battery
In this video we show how to make a Zinc Air Battery.
First you'll need to make a solution of 50g of sodium hydroxide in 150mL of water. Stir it until it completely dissolves. Be careful as it will heat up a lot. Set it aside to cool.
Now get a zinc sheet (we cut one out of a carbon zinc battery in a previous video: http://www.youtube.com/watch?v=knc1lSupAwQ) and attach a wire to it and attach another wire to some steel wool. We then wrap the steel wool with a paper towel to serve as a separator. The zinc is then wrapped around the paper towel/steel wool and the whole assembly is placed into a container. The steel wool has to be exposed to air to allow the oxygen to get in. The electrolyte of sodium hydroxide is added and the battery is ready.
First you'll need to make a solution of 50g of sodium hydroxide in 150mL of water. Stir it until it completely dissolves. Be careful as it will heat up a lot. Set it aside to cool.
Now get a zinc sheet (we cut one out of a carbon zinc battery in a previous video: http://www.youtube.com/watch?v=knc1lSupAwQ) and attach a wire to it and attach another wire to some steel wool. We then wrap the steel wool with a paper towel to serve as a separator. The zinc is then wrapped around the paper towel/steel wool and the whole assembly is placed into a container. The steel wool has to be exposed to air to allow the oxygen to get in. The electrolyte of sodium hydroxide is added and the battery is ready.
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video too fast.
For understandable video of copper zinc battery:
http://www.incroyables-experiences.fr/video-59-Fabriquer-une-batterie-cuivre-zinc-performante.html (in French)
The result is of ~ 1 volt, 0.6 A battery
with 4 boxes plastic = > 4volts and 2.4 has enough for some speakers or the leds for a long time
Thanks!
I could understand your writed explanation, but I have some doubts:
1) Is the output around 0.6 Volts?
2) How many Amps can you get whit this array?
3) What means the aluminum into the sodium hydroxide solution at the end of the video?
Sorry about that, captions take time for me to make since i have to write and time everything manually.