Posted by Chris Case [108.247.147.130] on Wednesday, January 28, 2015 at 10:49:09 :
In Reply to: ot------------4 electric motors posted by clueless [201.202.24.222] on Wednesday, January 28, 2015 at 09:54:33 :
They use salt water as an electrolite. Interesting battry concept, basically a quick recharge by changing the electrolite instead of recharging it in the battery.
Try wiki "flow cell".