Working Air Battery

[PeteIdl4]

@jeanna,

Great job and thanks for your pics. Just one question, when you say it's been runing for 24 hours is that without adding more water for that whole period of time? If so that's really good as mine seems to only last for about 4 hours on one drop of water, although i haven't tried adding a cap to see if that will help i guess i'll try that next. Thanks for sharing your results.

-Pete

[jeanna]

Oh yes, add the cap.
It stopped last night, but when I held the ribbon tight against the cloth it went back on, and that is the reason for the string. (It is yellow string. I think you can see it in the pic.)
So, I think it went out not because it was dry, but it wasn't touching the wet cloth.
But it had a fast flicker, and the cap made that appear to stop.

Try the cap.
I think you will have to try some different cap sizes.
Too big and it stops the light or makes a slooowww pulse; too small and the flicker stays the same.

This is a sweet little AA .
A q:
Are those 3 leds in parallel?

jeanna

[PeteIdl4]

@Jeanna,

Thanks for the info I will definitely try adding some caps. As for your question, yes they are in parallel I took these lights from a small flashlight I bought and I just left the circuit they came in intact and added a JTC to it. I have a few more pictures to share the first one is showing the milli-amp reading off the little cell it drops from about 40 and holds steady at about 31. The second is showing 12 LEDs lit with the same cell all in parallel. Once again thanks for the info.

-Pete

[jeanna]

Nice!

I did not drill the little hole in the carbon. I just wrapped  some bare copper wire around it about 6 times. Maybe I should try the little hole on one.
I got my 5 rolls of magnesium wire and it is now easy to try a bunch of things!

31mA is awesome from such a small battery.

jeanna

[Mk1]

@all

All i think soda cans can be used , and cut to fit most any pipe or carbon rod you have , magnesium dose give high voltages but because it is the most anodic element anything we use to connect to it will break the wire , why do car rust galvanic mismatch of metals some water(electrolyte) bam free energy if it only powered the car , humm .

@jeanna

Nice work , on this and the Ns , i have comments on that more on the other tread ...


@conrad

Cement dries in 30 days and take about 3 month to exit the rest of the moisture , dose it still work beyond that ?