Organic redox-flow battery

Organic redox-flow battery

In the context of the energy turnaround, the supply of energy is converted to renewable sources. This will increase the demand for efficient and cost-effective energy storage devices that compensate the fluctuation between energy supply and demand and thus maintain the stability of the power grid. In the field of large stationary energy storage, redox-flow batteries are a promising technology. Most common electrolytes contain vanadium salts in acidic solutions. However, vanadium electrolytes are corrosive and toxic, resulting in special requirements for material and safety. Furthermore, the vanadium costs are relatively high. In 2014, researchers at the Harvard School of Engineering and Applied Sciences under Prof. Michael J. Aziz have demonstrated the possibility of using electrolytes based on organic molecules in a redox-flow battery. The advantage of organic systems compared to the vanadium system are their lower toxicity and greater variability in structures and properties. By using biogenic electrolytes not only energy supply, but also the storage can be based on regenerative sources.

The aim of this project is to identify redox-active organic molecules by systematic synthesis and characterization for the realization of a redox flow battery based only on aqueous organic electrolytes. 

Stina Bauer, M. Sc.

Scientific Assistant

Phone: +49 5323 72-8072

Room 212, EFZN (Goslar)