Electrochemical Flow Cells for Rapid Energy Storage and Recovery

Electrochemical Flow Cells- new perspective technology to integrate into the grid an electrochemical storage system that combines principles behind flow batteries and supercapacitors.
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Design of flow cell of the electrochemical flow capacitor*, published in Advanced Energy Materials Journal (Adv. Energy Mater. 7/2012), is shown at the picture below.

electrochemical flow capacitor- design-mrc

Electrochemical Flow Cells (EFC) described by E. C. Kumbur, Y. Gogotsi, and co-workers utilizes a flowable slurry of capacitive carbon particles in an aqueous or organic electrolyte. The proposed concept combines the scalability of flow batteries with the high power density and long lifetime of electrochemical capacitors. EFC technology also decouples energy and power ratings, which is important for storage and use of energy from highly fluctuating sources. The proof-of-concept study  presents promising initial performance data and discusses further development steps for this technology. Flow cell design by the Materials Research Centre (Ukraine) and cover design by Kristy Jost (USA).

*Electrochemical Flow Cells: The Electrochemical Flow Capacitor: A New Concept for Rapid Energy Storage and Recovery (Adv. Energy Mater. 7/2012)

Volker Presser1, Christopher R. Dennison2, Jonathan Campos1, Kevin W. Knehr2, Emin C. Kumbur2, Yury Gogotsi1


1 A. J. Drexel Nanotechnology Institute, Department of Materials Science and Engineering, Drexel University, Philadelphia, PA 19104, USA

2 Electrochemical Energy Systems Laboratory, Department of Mechanical Engineering, Drexel University, Philadelphia, PA 19104, USA

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