DescriptionPatent families and journal articles about minor flow battery chemistries by year.png
English: The numbers of patent families (solid lines) vs priority year and of journal articles (dotted lines) vs publication year for all flow batteries (blue lines), VRFBs (green lines), zinc-halogen batteries (red lines), Ti,Cr-Mn,Fe flow batteries (violet line), polysulfide-halogen bateries. (pink line). Dash-dotted lines are sums of patent families and journal articles.
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