
A flow battery is a type of rechargeable battery where rechargeability is provided by two chemical components dissolved in liquids contained within the system and separated by a membrane. Ion exchange (providing flow of electrical current) occurs through the membrane while both liquids circulate in their own respective space. Cell voltage is chemi...
Found on
http://en.wikipedia.org/wiki/Flow_battery

Flow battery (FB) a form of rechargeable battery in which electrolyte containing one or more dissolved electroactive species flows through a power cell / reactor that converts chemical energy to electricity.
Found on
http://en.wikipedia.org/wiki/Glossary_of_fuel_cell_terms

A battery in which the electrolyte flows or is pumped through the electrodes
Found on
http://www.mpoweruk.com/glossary.htm
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