[PSUBS-MAILIST] Salt water batteries

[Tim Curtis <navark@yahoo.com>]

Sea Water batteries do exist, and they have one of the
highest power densities out of any battery source. 
For use in saltwater (as intended), they are superb
and are completely shut off when brought out of the
water.  Kongsberg Simrad sells them, but they aren't
very helpful about giving prices.  

http://www.kongsberg-simrad.com/_products/underwater_instr/seawaterbat/mainframe.asp

That is the website - have a look and let me know if
you get any pricng info.

     -Tim


I wonder about a battery using salt water reacting
with two different metal 
plates would produce enough power to be used on a
submarine. I don't know 
what gases if any it would give off. I think it could
not be recharged. The 
current would flow as long as the metal plates reacted
with the saltwater. 
When the plates were ate away and didn't produce a
charge could you just 
replace the plates with new ones and a fresh saltwater
solution?
Any thoughts?
David

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