Getting amps from small selfmade DIY Zinc Air cells, amazing !

[hartiberlin]

Here are 2 videos of the selfmade Zinc Air cell delivering over 1 amp
at around 0.8 Volts on a big motor:

http://www.youtube.com/watch?v=s35sJwX1jlo

http://www.youtube.com/user/moviemax66#p/a/u/1/iiDyAWYih7Q

[d3adp00l]

aluminum havent been found to be rechargable, so its considered a primary battery source.

[hoptoad]

Here are 2 videos of the selfmade Zinc Air cell delivering over 1 amp
at around 0.8 Volts on a big motor:

http://www.youtube.com/watch?v=s35sJwX1jlo

http://www.youtube.com/user/moviemax66#p/a/u/1/iiDyAWYih7Q

I watched the videos and followed the info links, but unfortunately I only speak and read English. One of my many deficiencies!   LOL

Are there any information sources available, detailing the principle of operation, the construction, and materials used, (written in english) ??

I am intrigued and would love to know more.

Cheers

[hartiberlin]

For the selfmade battery with the high 1.5 amps output it seems it is easy to build: They used graphite or lamp black mixed with maganese nitrate and a teflon solution liquid as the anode and put this onto a stainless steel mesh as the electron capture and connection metal. The other electrode is just a piece of Zinc plate. As the electrolyte between the electrodes they are using KOH solution in water. It seems to help if the graphite or lampblack is doped with colloidal silver solution before. To me this seems simular to using black powder.instead of exploding a mix of blackpowder with zinc powder, which you can use in fireworks , here you oxidize with the help of the maganese nitrate the zinc and the lampblack or graphite of this mix is just your one electrode and the zinc is your other electrode... So more or less it is the same reaction like burning gunpowder or fireworks but you get all the energy out slowly as moving electrons....

[hartiberlin]

instead of manganese nitrate it will probably also work with pottasium nitrate which is the oxidizer component in blackpowder and is cheaper and easier to get...I have not read up for what they are using this teflon liquid but probably only to make the surface area bigger..