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Re: [alternativeenergy-224] Aluminum-Air Battery Application

From: Rohn B.
Sent on: Wednesday, April 10, 2013 1:03 PM
I've seen this before and read about other "air" batteries.  All ( to my knowledge - fill me in if there is another chemistry to lose electrons) batteries are just corrosion systems where a metal (may be other materials but as I recall it is usually a metal) is oxidized.  In the air batteries the oxygen source is ambient air.  The problems with the operation of the batteries is getting the oxygen molecule lose from what is attached to and problems with the surface structure of the corroding metal.  What these batteries really show is how much electricity is required to make aluminum.  One good thing is that a lot of aluminum is made using hydro-power so it can be considered very green.  For those interested a fairly current cost of aluminum is $0.89/pound. That is the raw material price so aluminum plate would cost more.  A quick check for sheet aluminum gave $2.19/pound.  So to re[lace the 55 pounds in this battery should cost at least $121 and as an assembled battery it would probably cost at least three (to ten) times the material price - not that bad considering.


From: Mitchell <[address removed]>
To: [address removed]
Sent: Wednesday, April 10,[masked]:58 AM
Subject: Re: [alternativeenergy-224] Aluminum-Air Battery Application

I had never heard of an air battery, so I was initially quite
skeptical, but Google shows that air batteries exist, so there is some
possibility that this may be true.


On Tue, Apr 9, 2013 at 6:27 PM, Bruce Joseph <[address removed]> wrote:
> Very interesting if it actually works!
> Bruce

Check out my blog at !

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