Authors:

Charles Daramola

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ABSTRACT A Manganese Complex with a Fluxional Bipyridine Backbone Ligand for Multi- Electron Energy Storage in RFBs The critical need for highly stable and efficient redox active organometallic compounds for energy storage is increasing, particularly for redox flow batteries (RFBs), which store excess energy from renewable sources such as solar and wind. This research focuses on first-row coordination compounds. The manganese bipyridine complex featuring a benzylic diethylamine group strategically positioned in the secondary coordination sphere acts as a fluxional ligand investigated for its structural adaptability during redox cycling. This complex transitions through intermediate oxidation states, from Mn+I to Mn-I, leveraging disproportionation to allow a robust 2e- redox couple governed by metal-ligand bond formation as observed by cyclic voltammetry. This 2e- redox cycle offers a promising pathway for optimizing energy storage systems.

Source:

Auburn University / College of Sciences and Mathematics / 2025

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Co-authors:

Charles Daramola