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The quasi-steady state of all-vanadium redox flow batteries: A scale analysis
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Casting of Metals.ORCID iD: 0000-0002-8318-1251
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2014 (English)In: Electrochimica Acta, ISSN 0013-4686, E-ISSN 1873-3859, Vol. 147, 657-662 p.Article in journal (Refereed) Published
Abstract [en]

In general, mathematical models for all-vanadium redox flow batteries(VRFB) that seek to capture the transport phenomena are transient in nature. In this paper, we carry out scale analysis of VRFB operation and derive the conditions when it can be assumed to be quasi-steady state in nature, i.e., time-dependence only through a boundary condition. We find that it is true for typical tank volume and flow rate employed for VRFBs. The proposed analysisis generic and can also be employed for other types of redox flow batteries. (C) 2014 Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
2014. Vol. 147, 657-662 p.
Keyword [en]
Mathematical modeling, Transport phenomena, Nernst-Planck equation, Transient model, Model reduction
National Category
Physical Chemistry
Identifiers
URN: urn:nbn:se:kth:diva-159030DOI: 10.1016/j.electacta.2014.09.134ISI: 000346178800083Scopus ID: 2-s2.0-84908553787OAI: oai:DiVA.org:kth-159030DiVA: diva2:785690
Note

QC 20150203

Available from: 2015-02-03 Created: 2015-01-20 Last updated: 2017-12-05Bibliographically approved

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Vynnycky, Michael

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