Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/106324
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dc.contributor.authorBhattarai, Arjunen
dc.contributor.authorSchweiss, Rüdigeren
dc.contributor.authorGhimire, Purna Chandraen
dc.contributor.authorLim, Tuti Marianaen
dc.contributor.authorScherer, Günther G.en
dc.contributor.authorWai, Nyunten
dc.contributor.authorYan, Qingyuen
dc.date.accessioned2019-08-13T04:52:52Zen
dc.date.accessioned2019-12-06T22:09:09Z-
dc.date.available2019-08-13T04:52:52Zen
dc.date.available2019-12-06T22:09:09Z-
dc.date.issued2019en
dc.identifier.citationGhimire, P. C., Bhattarai, A., Schweiss, R., Scherer, G. G., Wai, N., Lim, T. M., & Yan, Q. (2019). Investigation of reactant conversion in the vanadium redox flow battery using spatially resolved state of charge mapping. Batteries, 5(1), 2-. doi:10.3390/batteries5010002en
dc.identifier.issn2313-0105en
dc.identifier.urihttps://hdl.handle.net/10356/106324-
dc.description.abstractSegmented cells enable real time visualization of the flow distribution in vanadium redox flow batteries by local current or voltage mapping. The lateral flow of current within thick porous electrodes, however, impairs the local resolution of the detected signals. In this study, the open circuit voltage immediately after the cessation of charge/discharge is used for the mapping of reactant conversion. This quantity is not hampered by lateral flow of current and can be conveniently transformed to the corresponding state of charge. The difference between theoretically calculated and experimentally determined conversion (change in the state of charge) across the electrode is used to determine local variations in conversion efficiency. The method is validated by systematic experiments using electrodes with different modifications, varying current densities and flow configurations. The procedure and the interpretation are simple and scalable to any size of flow cell.en
dc.description.sponsorshipNRF (Natl Research Foundation, S’pore)en
dc.description.sponsorshipMOE (Min. of Education, S’pore)en
dc.format.extent11 p.en
dc.language.isoenen
dc.relation.ispartofseriesBatteriesen
dc.rights© 2019 by the Authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).en
dc.subjectCurrent Distributionen
dc.subjectRedox Flow Batteriesen
dc.subjectEngineering::Materialsen
dc.titleInvestigation of reactant conversion in the vanadium redox flow battery using spatially resolved state of charge mappingen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Civil and Environmental Engineeringen
dc.contributor.schoolSchool of Materials Science & Engineeringen
dc.contributor.schoolInterdisciplinary Graduate School (IGS)en
dc.contributor.researchEnergy Research Institute @NTUen
dc.identifier.doi10.3390/batteries5010002en
dc.description.versionPublished versionen
item.fulltextWith Fulltext-
item.grantfulltextopen-
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