They only call it a "flow cell" and as far as I can tell never use the
words "vanadium redox", but I can't see what else it could be.

To my knowledge, first use in cars.

Article that initially caught my interest.
http://www.electronics-eetimes.com/news/flow-cells-cars-could-boost-battery=
-refuelling-0

Company web site. (more shiny pictures than useful engineering details)
http://www.nanoflowcell.com/


Definitely show a "two hose" refueling system, but no indication of what
they're doing with the spent electrolytes.

-Denny
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