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simple school project salt water battery


simple school project salt water battery


Introduction: We all know that the world is now facing an energy crisis and everyone is trying to do something about that. Now you can show everyone that electrical energy or electricity can be made from air and saltwater. After all, both the air and the saltwater are freely available everywhere. These are the two things that we have plenty of them.

This may seem impossible. I could not believe it myself the first time that I heard about it. It almost sounds like a magic trick. Finally, I decided to test it anyway.

I tried different concentrations of salt water, different temperatures, and different electrodes and had no success. It took me a few months thinking about it until I solved the problem in my mind and decided to repeat my tests again. This time everything worked fine and I was able to make enough electricity to light up a small light bulb.



The concept is easy. The same way that you burn wood and make heat energy, you should be able to burn metals and get electricity (or electrical energy). The difference is that you are not really burning any thing; instead, you are producing a condition for oxidization which by itself is the same as slow burning. So what you really do is oxidizing iron in saltwater using the oxygen from the air or any other source. (At least, that’s my theory at this time)

I don’t know if this method of producing electricity is economical and cost effective. What I know is that it is worth to try. If with one cup of salt water and some metals I was able to light up a small light bulb, maybe you can light up the entire building by a tank of salt water and a few hundred pounds of scrap metal.

No mater what is the results, I am proud that I can make an emergency battery for myself if I need it.

It took me a long time to make the first working battery using the salt water; however, you don’t have to waste that much time. I have combined the results of all my experiments and made a recipe for success. Just follow the instructions and you will get results in the first try.

List of materials:
This is the minimum list of material you need for your experiment.
  1. Miniature light bulb (low voltage, low current)
  2. Miniature base for light bulb
  3. Pair of insulated solid copper wire AWG=20
  4. Pair of alligator clips
  5. Magnesium Electrodes
  6. Iron Electrodes
  7. A cup of saltwater (not in the picture)
  8. Screws for the miniature base.
Save time and money. Order a kit now.
Additional optional materials you may use:
  1. A wooden board to mount the miniature base (light holder)
  2. Plastic container about 4" x 4" x 4"
  3. Hydrogen Peroxide
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