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dc.contributor.authorWu, Jiyue*
dc.contributor.authorMahajan, Amit*
dc.contributor.authorRiekehr, Lars*
dc.contributor.authorZhang, Hangfeng*
dc.contributor.authorYang, Bin*
dc.contributor.authorMeng, Nan*
dc.contributor.authorZhang, Zhen*
dc.contributor.authorYan, Haixue*
dc.date.accessioned2018-12-14T09:35:18Z
dc.date.available2018-12-14T09:35:18Z
dc.date.issued2018-06-06
dc.identifier.citationJ.Wu, A.Mahajan, L.Riekehr, H.Zhang, B.Yang, N.Meng, Z.Zheng, HX.Yan, Perovskite Srx(Bi1-xNa0.97-xLi0.03)0.5TiO3 ceramics with polar nano regions for high power energy storage, Nano Energy, 50 (2018), 723-732.en
dc.identifier.issn2211-2855
dc.identifier.doi10.1016/j.nanoen.2018.06.016
dc.identifier.urihttp://hdl.handle.net/10034/621648
dc.description.abstractDielectric capacitors are very attractive for high power energy storage. However, the low energy density of these capacitors, which is mainly limited by the dielectric materials, is still the bottleneck for their applications. In this work, lead-free single-phase perovskite Srx(Bi1-xNa0.97-xLi0.03)0.5TiO3 (x=0.30 and 0.38) bulk ceramics, prepared using solid-state reaction method, were carefully studied for the dielectric capacitor application. Polar nano regions (PNRs) were created in this material using co-substitution at A-site to enable relaxor behaviour with low remnant polarization (Pr) and high maximum polarization (Pmax). Moreover, Pmax was further increased due to reversible electric field induced phase transitions. Comprehensive structural and electrical studies were performed to confirm the PNRs and the reversible phase transitions. And finally a high energy density (1.70 J/cm3) with an excellent efficiency (87.2%) was achieved using the contribution of PNRs and field-induced transitions in this material, making it among the best performing lead-free dielectric ceramic bulk material for high energy storage.
dc.language.isoenen
dc.publisherElsevieren
dc.relation.urlhttps://www.sciencedirect.com/science/article/pii/S2211285518304117?via%3Dihuben
dc.rightsCC0 1.0 Universal*
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectenergy storageen
dc.subjectPolar Nano Regionsen
dc.subjectdielectricen
dc.subjectRelaxor Ferroelectricen
dc.titlePerovskite Srx(Bi1-xNa0.97-xLi0.03)0.5TiO3 ceramics with polar nano regions for high power energy storageen
dc.typeArticleen
dc.contributor.departmentQueen Mary University of London; Uppsala University; University of Chesteren
dc.identifier.journalNano Energy
or.grant.openaccessYesen
rioxxterms.funderEPSRC Teranet fund EP/M00306X/1)en_US
rioxxterms.identifier.projectExternal funded researchen_US
rioxxterms.versionAMen
rioxxterms.versionofrecordhttps://doi.org/10.1016/j.nanoen.2018.06.016
rioxxterms.licenseref.startdate2019-06-06
rioxxterms.publicationdate2018-06-06
dc.dateAccepted2018-06-05
dc.date.deposited2018-12-14


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Except where otherwise noted, this item's license is described as CC0 1.0 Universal