Measurement and modeling of thermodynamic non-idealities in aqueous sulfuric acid solutions of vanadyl sulfate for redox flow batteries.

Jana Heiß¹, Maximilian Kohns¹

¹Laboratory of Engineering Thermodynamics (LTD), RPTU Kaiserslautern, Erwin-Schrödinger-Straße 44, 67663 Kaiserslautern, Germany. maximilian.kohns@rptu.de.

PubMed DOI

Abstract

All-vanadium redox flow batteries (AVRFBs) are promising energy storage systems. The electrolyte solutions used in AVRFBs are highly concentrated aqueous solutions of vanadium species and sulfuric acid, resulting in a complex physicochemical behavior that has eluded a thorough understanding to date. This work contributes to improving the understanding of the behavior of solutions that contain vana…

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