Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/6899
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dc.contributor.authorSemiz, Levent-
dc.contributor.authorDemirci Sankır, Nurdan-
dc.contributor.authorSankır, Mehmet-
dc.date.accessioned2021-09-11T15:44:09Z-
dc.date.available2021-09-11T15:44:09Z-
dc.date.issued2014en_US
dc.identifier.issn0376-7388-
dc.identifier.issn1873-3123-
dc.identifier.urihttps://doi.org/10.1016/j.memsci.2014.06.019-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/6899-
dc.description.abstractThis article focuses on structure-property-performance relationship of directly copolymerized disulfonated poly(arylene ether sulfone) membranes (BPSH) utilized in vanadium redox flow batteries (VRFBs). Degree of disulfonation was systematically altered from 25 to 45 M percent by introducing controlled amount of disulfonated monomer into the copolymer structure. For the first time with this study the relation has been established between VRFB cell performances and basic membrane properties such as ion exchange capacity (IEC), water uptake, proton conductivity, and vanadium (VO2+) permeability of BPSH membranes. BPSH with 25 M percent disulfonation (BPSH 25) showed delay time during discharging process due to the fluctuation of the discharging voltage caused by poor proton conductivity, 23 mS cm(-1). Therefore, columbic efficiencies became greater than 100 percent for BPSH 25 indicating higher discharging time than charging time. On the other hand, the best performance in the series was observed with BPSH 35. Since it had almost three times higher proton conductivity than BPSH 25 and about 100 times lower vanadium permeability (1.6 x 10(-13) m(2) s(-1)) than BPSH 45. Although BPSH 45 had the highest proton conductivity (140 mS cm(-1)), its performance was deteriorated due to higher vanadium permeability (1.6 x 10(-11) m(2) s(-1)). It was also demonstrated that water uptake values of the series scales with the vanadium permeabilities. As a result, several basic membrane parameters were controlled and presented as tunable properties, which were function of VRFB performance. (C) 2014 Elsevier B.V. All rights reserved.en_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofJournal of Membrane Scienceen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectVanadium redox flow batteryen_US
dc.subjectPoly(arylene ether sulfone)en_US
dc.subjectIon exchange capacityen_US
dc.subjectVanadium permeabilityen_US
dc.titleInfluence of the basic membrane properties of the disulfonated poly (arylene ether sulfone) copolymer membranes on the vanadium redox flow battery performanceen_US
dc.typeArticleen_US
dc.departmentFaculties, Faculty of Engineering, Department of Material Science and Nanotechnology Engineeringen_US
dc.departmentFakülteler, Mühendislik Fakültesi, Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümütr_TR
dc.identifier.volume468en_US
dc.identifier.startpage209en_US
dc.identifier.endpage215en_US
dc.identifier.wosWOS:000340305000023en_US
dc.identifier.scopus2-s2.0-84903461090en_US
dc.institutionauthorSankır, Mehmet-
dc.institutionauthorDemirci Sankır, Nurdan-
dc.identifier.doi10.1016/j.memsci.2014.06.019-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.scopusqualityQ1-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextnone-
item.fulltextNo Fulltext-
item.openairetypeArticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
crisitem.author.dept02.6. Department of Material Science and Nanotechnology Engineering-
crisitem.author.dept02.6. Department of Material Science and Nanotechnology Engineering-
Appears in Collections:Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü / Department of Material Science & Nanotechnology Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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