Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/141210
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dc.contributor.authorWei, Zhongbaoen_US
dc.contributor.authorBhattarai, Arjunen_US
dc.contributor.authorZou, Changfuen_US
dc.contributor.authorMeng, Shujuanen_US
dc.contributor.authorLim, Tuti Marianaen_US
dc.contributor.authorSkyllas-Kazacos, Mariaen_US
dc.date.accessioned2020-06-05T02:22:08Z-
dc.date.available2020-06-05T02:22:08Z-
dc.date.issued2018-
dc.identifier.citationWei, Z., Bhattarai, A., Zou, C., Meng, S., Lim, T. M., & Skyllas-Kazacos, M. (2018). Real-time monitoring of capacity loss for vanadium redox flow battery. Journal of Power Sources, 390, 261-269. doi:10.1016/j.jpowsour.2018.04.063en_US
dc.identifier.issn0378-7753en_US
dc.identifier.urihttps://hdl.handle.net/10356/141210-
dc.description.abstractThe long-term operation of the vanadium redox flow battery is accompanied by ion diffusion across the separator and side reactions, which can lead to electrolyte imbalance and capacity loss. The accurate online monitoring of capacity loss is therefore valuable for the reliable and efficient operation of vanadium redox flow battery system. In this paper, a model-based online monitoring method is proposed to detect capacity loss in the vanadium redox flow battery in real time. A first-order equivalent circuit model is built to capture the dynamics of the vanadium redox flow battery. The model parameters are online identified from the onboard measureable signals with the recursive least squares, in seeking to keep a high modeling accuracy and robustness under a wide range of working scenarios. Based on the online adapted model, an observer is designed with the extended Kalman Filter to keep tracking both the capacity and state of charge of the battery in real time. Experiments are conducted on a lab-scale battery system. Results suggest that the online adapted model is able to simulate the battery behavior with high accuracy. The capacity loss as well as the state of charge can be estimated accurately in a real-time manner.en_US
dc.language.isoenen_US
dc.relation.ispartofJournal of Power Sourcesen_US
dc.rights© 2018 Elsevier B.V. All rights reserved.en_US
dc.subjectEngineering::Civil engineeringen_US
dc.titleReal-time monitoring of capacity loss for vanadium redox flow batteryen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Civil and Environmental Engineeringen_US
dc.contributor.researchEnergy Research Institute @ NTU (ERI@N)en_US
dc.identifier.doi10.1016/j.jpowsour.2018.04.063-
dc.identifier.scopus2-s2.0-85046022142-
dc.identifier.volume390en_US
dc.identifier.spage261en_US
dc.identifier.epage269en_US
dc.subject.keywordsBattery Modelingen_US
dc.subject.keywordsParameter Identificationen_US
item.fulltextNo Fulltext-
item.grantfulltextnone-
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