DOE OSTI · 1986954
All-vanadium sulfate acid redox flow battery system
Abstract
All-vanadium sulfate redox flow battery systems have a catholyte and an anolyte comprising an aqueous supporting solution including chloride ions and phosphate ions. The aqueous supporting solution stabilizes and increases the solubility of vanadium species in the electrolyte, allowing an increased vanadium concentration over a desired operating temperature range. According to one example, the chloride ions are provided by MgCl 2 , and the phosphate ions are provided by (NH 4 ) 2 HPO 4 .
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Nie, Zimin, Wang, Wei, Wei, Xiaoliang, Li, Bin, Liu, Jun, Sprenkle, Vincent L.. 2022-12-20. All-vanadium sulfate acid redox flow battery system. https://www.osti.gov/biblio/1986954
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