Abstract
The hydrogen-bromine flow battery has been shown to be a promising candidate for energy storage due to its fast kinetics, fully reversible electrodes and low cost of chemicals. It features high electric-to-electric efficiency, high power density and simple system design. However, today's conventional hydrogen-bromine flow batteries use very expensive membrane materials (such as Nafion®) and platinum catalyst that can be poisoned and corroded when exposed to HBr and Br2. TVN Systems is developing an advanced H2-Br2 flow battery incorporating new catalysts that will be more durable than platinum in HBr/Br2 environment, new membranes with higher perm-selectivity at a fraction of the cost of conventional membranes and novel electrode/cell designs with superior cell performance. The performance, durability and cost advantages of this advanced H2-Br2flow batteries will be discussed. Acknowledgements This work was funded by Advanced Research Projects Agency-Energy (ARPA-E) of the U. S. Department of Energy under Award No. DE-AR0000262. References Cho KT, Albertus P, Battaglia V, Kojic A, Srinivasan V, and Weber AZ, Energy Technol., 1, 596-608 (2013).Kreutzer H, Yarlagadda V, and Nguyen TV, J. Electrochem. Soc., 159, F331-F337 (2012)
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