[[Fil:Vanadium battery.svg|thumb|400px|[[Vanadium-batteri|Vanadium-redox-flow-cellens]] principskitse.<ref>{{Cite web |url=http://www.vrb.unsw.edu.au/ |title=Vanadium Redox Flow Battery Development at the University of New South Wales, Australia |access-date=19. august 2007 |archive-date=26. april 2012 |archive-url=https://web.archive.org/web/20120426211901/http://www.vrb.unsw.edu.au/ |url-status=dead }}</ref>|link=Special:FilePath/Vanadium_battery.svg]]
En '''redox-flow-celle''' er et [[genopladeligt batteri]] med eksterne [[elektrolyt]]lagre, der kan gemme [[elektrisk energi]] i [[kemisk energi]]. Et '''redox-flow-batteri''' laves ved at serieforbinde flere redox-flow-celler.
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