graphite paper - alufoil cell puts out 1.45 Volts 2 mA !

[hartiberlin]

Hi All,

I succeeded now to make a new great galvanic cell.

The problem always was the graphite electrode.

I boughtnow lampblack powder and mixed this with
an acrylic binder and put it onto a paper towel.
So now I can make very big area graphite electrodes this
way, which do not dissolve in water solutions and still are very
good  conductive !

I then use K2CO3 and water as the electrolyte and
normal alufoil from the supermarket and this cell
generates 1.45 Volts and 2 mA shortcircuit current.

Now stack a few of these cells in series and you can light
up very nicely a few LEDs.

Surely the Alufoil is consumed after a while,
but this takes pretty long and this is a great battery
system not just for emergency cases.

Next I will try an urine battery with a new other electrode system
instead of the alufoil.

But the graphite electrode from lampblack and acrylic binder on
a paper towel is a great new electrode !

Just try it yourself.

Regards, Stefan.

[hartiberlin]

I am a few days gone now on a small vaccations trip,
but when I return I will show this in new pictures and videos.

This graphite paper electrode is a really nice design.

Surely it has to be tested on a longer and larger scale,
but this way it is very easy to make.

Maybe this is also a way to mix in Nickel powder and have
cheap electrodes for fuel cells to convert H2 and O2 gases
directly to electrical energy.

Regards, Stefan.

[ResinRat2]

Enjoy your vacation Stefan, hope you have a safe and fun trip.

You are going to be dreaming about this electrode design the whole time. LOL!

[triffid]

It's possible to make all the lampblack you want at home using a candle.triffid

[triffid]

And a plate.Triffid