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Batteries 2018, 4(4), 53; https://doi.org/10.3390/batteries4040053

Variable Porous Electrode Compression for Redox Flow Battery Systems

School of Mechanical and Manufacturing Engineering, University of New South Wales, UNSW, Sydney 2052, Australia
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Received: 28 September 2018 / Revised: 16 October 2018 / Accepted: 19 October 2018 / Published: 22 October 2018
(This article belongs to the Special Issue Vanadium Redox Flow Battery and Its Applications)
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Abstract

Vanadium redox flow batteries (VRFBs) offer great promise as a safe, cost effective means of storing electrical energy on a large scale and will certainly have a part to play in the global transition to renewable energy. To unlock the full potential of VRFB systems, however, it is necessary to improve their power density. Unconventional stack design shows encouraging possibilities as a means to that end. Presented here is the novel concept of variable porous electrode compression, which simulations have shown to deliver a one third increase in minimum limiting current density together with a lower pressure drop when compared to standard uniform compression cell designs. View Full-Text
Keywords: vanadium redox flow battery; electrode compression; limiting current; electrode porosity; stationary model; cell geometry; mass transfer vanadium redox flow battery; electrode compression; limiting current; electrode porosity; stationary model; cell geometry; mass transfer
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Gurieff, N.; Timchenko, V.; Menictas, C. Variable Porous Electrode Compression for Redox Flow Battery Systems. Batteries 2018, 4, 53.

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