Polymeric hollow fibers: a modular heat exchanger for thermal management systems of battery modules in electric vehicles

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dc.contributor.authorBoháček, Jancs
dc.contributor.authorHvožďa, Jiřícs
dc.contributor.authorMráz, Kryštofcs
dc.contributor.authorVakhrushev, Alexandercs
dc.contributor.authorKarimi-Sibaki, Ebrahimcs
dc.coverage.issue1cs
dc.coverage.volume264cs
dc.date.issued2022-07-11cs
dc.description.abstractThe liquid-cooling system based on polymeric hollow fibers (1 mm) embedded inside durable polydicyclopentadiene is proposed for thermal management of li-ion cylindrical batteries from their surface. In the present work, a dramatically improved design is presented, eliminating the following drawbacks: I) the thermal resistance of the heat exchanger is minimized by bringing fibers into direct contact with the negative terminal/cylindrical shell, II) the fabrication process (combination of extrusion and rapid injection molding) is significantly simplified and accelerated as the essential component of the heat exchanger is nearly planar, and III) inlet/outlet manifolds were refined to enhance modularization of the cooling system of the whole battery pack. The pressure loss of the heat exchanger is favorably low, about 100 Pa, corresponding to 10 l/min of the coolant circulating in the entire battery pack of a virtual electrical vehicle. The heat exchanger was stacked with 18650-type lithium-ion cells, which were repeatedly charged/discharged. With the coolant inlet temperature of 20 °C and the C-rate of 1 C, the maximum temperature of the cells during cycling was between 26 °C and 22 °C in the given range of flow rates (5–45 ml/min). Temperature spreads were 10 °C and 4 °C.en
dc.formattextcs
dc.format.extent1-5cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationEPJ Web of Conferences. 2022, vol. 264, issue 1, p. 1-5.en
dc.identifier.doi10.1051/epjconf/202226401005cs
dc.identifier.issn2100-014Xcs
dc.identifier.orcid0000-0003-3319-4254cs
dc.identifier.orcid0000-0002-4444-4485cs
dc.identifier.orcid0000-0002-4521-4438cs
dc.identifier.other178513cs
dc.identifier.researcheridC-2078-2018cs
dc.identifier.researcheridAAQ-1466-2021cs
dc.identifier.researcheridAAZ-5704-2021cs
dc.identifier.scopus55213548700cs
dc.identifier.scopus57222749606cs
dc.identifier.scopus57226704481cs
dc.identifier.urihttp://hdl.handle.net/11012/208179
dc.language.isoencs
dc.publisherEDP Sciencescs
dc.relation.ispartofEPJ Web of Conferencescs
dc.relation.urihttps://www.epj-conferences.org/articles/epjconf/abs/2022/08/epjconf_efm2022_01005/epjconf_efm2022_01005.htmlcs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2100-014X/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectPolymeric hollow fibersen
dc.subjectheat exchangeren
dc.subjectbattery modulesen
dc.subjectelectric vehiclesen
dc.titlePolymeric hollow fibers: a modular heat exchanger for thermal management systems of battery modules in electric vehiclesen
dc.type.driverconferenceObjecten
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-178513en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:47:26en
sync.item.modts2025.01.17 15:12:29en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Laboratoř přenosu tepla a prouděnícs
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