Working Air Battery

[conradelektro]

@ rock321

Unfortunately you forgot to mention which metals you used for the cells presented in your videos?

The videos are therefore of no use, a waste of your own time and of the time of onlookers.

Either you disclose your cells completely or you keep them to yourself. Teasing people is bad form and not the purpose of this forum.

Greetings, Conrad

[stephenafreter]

I bet it's silver wire and aluminium wire.
(Edit: May be silver soldering wire, or just silver coated copper wire )
But I might be wrong ...
Very good idea. Rock I am impressed by the power output !!! from such a tiny piece !!!

I am going to try the silver/alu
I just got aluminium wire roll, used for welding purpose, it's very cheap.
Silver wire is also relatively cheap, silver is at around 600 Euro per kilo.
Silver as a potential equal to carbon ( +0.8V ) and does not corrode in the process.
(Only graphite has higher positive potential at 2.2V, in the chart)

Edit: so much apparent power for such small pieces of wire, even using silver wire would be affordable, because 1 inch of silver wire would cost like 10 cents.

[Pirate88179]

I bet it's silver wire and aluminium wire.
But I might be wrong ...
Very good idea. Rock I am impressed buy the power output !!! from such a tiny piece !!!

I am going to try the silver/alu
I just got aluminium wire roll, used for welding purpose, it's very cheap.
Silver wire is also relatively cheap, silver is at around 600 Euro per kilo.
Silver as a potential equal to carbon ( +0.8V ) and does not corrode in the process.
(Only graphite has higher positive potential at 2.2V, in the chart)

Graphite or carbon does not corrode either and is much cheaper to obtain.  Check the metals chart I posted a bit back.  The best bang for the buck is graphite/magnesium

Bill

[stephenafreter]

I have never seen such small pieces of wire giving 3.5 V and lighting a white LED directly ?!
Of course he has 2 cells in series, but it's still like 1.75V per cell !!!
And he says it's running since 1.5 month !!
I think he brought some metal from the moon or mars, because we don't have such here
http://www.youtube.com/Littlechristgod#p/u/0/PU-PxhFqAk8

[stephenafreter]

Magnesium ribbon + Silver wire ?