State of health estimation of second-life lithium-ion batteries under real profile operation

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dc.contributor.authorBraco Sola, Elisa
dc.contributor.authorSan Martín Biurrun, Idoia
dc.contributor.authorSanchis Gúrpide, Pablo
dc.contributor.authorUrsúa Rubio, Alfredo
dc.contributor.authorStroe, Daniel-Ioan
dc.contributor.departmentIngeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzareneu
dc.contributor.departmentInstitute of Smart Cities - ISCen
dc.contributor.departmentIngeniería Eléctrica, Electrónica y de Comunicaciónes_ES
dc.contributor.funderGobierno de Navarra / Nafarroako Gobernuaes
dc.contributor.funderUniversidad Pública de Navarra / Nafarroako Unibertsitate Publikoaes
dc.date.accessioned2023-02-06T09:14:15Z
dc.date.available2023-02-06T09:14:15Z
dc.date.issued2022
dc.date.updated2023-02-06T08:57:27Z
dc.description.abstractThe economic viability of second-life (SL) Li-ion batteries from electric vehicles (EVs) is still uncertain nowadays. Assessing the internal state of reused cells is key not only at the repurposing stage but also during their SL operation. As an alternative of the traditional capacity tests used to this end, the estimation of State of Health (SOH) allows to reduce the testing time and the need of equipment, thereby reinforcing the economic success of SL batteries. However, the estimation of SOH in real SL operation has been rarely analysed in literature. This contribution aims thus to cover this gap, by focusing on the experimental assessment of SOH estimation in reused modules from Nissan Leaf EVs under two SL scenarios: a residential household with self-consumption and a fast charge station for EVs. By means of partial charge and experimental data from cycling and calendar ageing tests, accuracy and robustness of health indicators is firstly assessed. Then, SOH estimation is carried out using real profiles, covering a SOH range from 91.3 to 31%. Offline assessment led to RMSE values of 0.6% in the residential profile and 0.8% in the fast charge station, with a reduction in testing times of 85% compared to a full capacity test. In order to avoid the interruption of battery operation, online assessment in profiles was also analysed, obtaining RMSE values below 1.3% and 3.6% in the residential and charging station scenarios, respectively. Therefore, the feasibility of SOH estimation in SL profiles is highlighted, as it allows to get accurate results reducing testing times or even without interrupting normal operation.en
dc.description.sponsorshipThis work is part of the projects PID2019-111262RB-I00, funded by MCIN/AEI, Spain/ 10.13039/501100011033/, STARDUST (774094), funded by European Union’s Horizon 2020 research and innovation programme, HYBPLANT (0011-1411-2022-000039), funded by Government of Navarre, Spain, and a Ph.D. scholarship, also funded by Government of Navarre. Open access funding provided by Universidad Pública de Navarra, Spain .en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationBraco, E., San Martín, I., Sanchis, P., Ursúa, A., & Stroe, D.-I. (2022). State of health estimation of second-life lithium-ion batteries under real profile operation. Applied Energy, 326, 119992. https://doi.org/10.1016/j.apenergy.2022.119992en
dc.identifier.doi10.1016/j.apenergy.2022.119992
dc.identifier.issn0306-2619
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/44659
dc.language.isoengen
dc.publisherElsevieren
dc.relation.ispartofApplied Energy 326 (2022) 119992en
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-111262RB-I00/ES/
dc.relation.projectIDinfo:eu-repo/grantAgreement/European Commission/Horizon 2020 Framework Programme/774094/
dc.relation.publisherversionhttps://doi.org/10.1016/j.apenergy.2022.119992
dc.rights© 2022 The Author(s). This is an open access article under the CC BY licenseen
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectFast charge stationen
dc.subjectLithium-ion batteryen
dc.subjectResidential storageen
dc.subjectSecond-life batteriesen
dc.subjectState of health estimationen
dc.titleState of health estimation of second-life lithium-ion batteries under real profile operationen
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/publishedVersion
dspace.entity.typePublication
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relation.isAuthorOfPublicationeb28ad46-ad2e-4415-a048-6c3f2fe48916
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relation.isAuthorOfPublication.latestForDiscovery16cc991e-b9ce-4b4e-b5a4-f16d61cda032

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