Critical Roles of pH and Activated Carbon on the Speciation and Performance of an Archetypal Organometallic Complex for Aqueous Redox Flow Batteries
Alexis Burghoff,
Nicolas E. Holubowitch
Abstract:A lack
of suitable high-potential catholytes hinders the development
of aqueous redox flow batteries (RFBs) for large-scale energy storage.
Hydrolysis of the charged (oxidized) catholyte typically occurs when
its redox potential approaches that of water, with a negative impact
on battery performance. Here, we elucidate and address such behavior
for a representative iron-based organometallic complex, showing that
the associated voltage and capacity losses can be curtailed by several
simple means. We discovered … Show more
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