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dc.contributor.authorYu, Feng
dc.contributor.authorZhang, Chunmei
dc.contributor.authorWang, Faxing
dc.contributor.authorGu, Yangyang
dc.contributor.authorZhang, Panpan
dc.contributor.authorWaclawik, Eric R
dc.contributor.authorDu, Aijun
dc.contributor.authorOstrikov, Kostya Ken
dc.contributor.authorWang, Hongxia
dc.date.accessioned2020-04-29T01:49:23Z
dc.date.available2020-04-29T01:49:23Z
dc.date.issued2020
dc.identifier.issn2051-6347
dc.identifier.doi10.1039/c9mh01353a
dc.identifier.urihttp://hdl.handle.net/10072/393479
dc.description.abstractAdvanced electrochemical energy storage devices are in high demand to meet the need for both short-term high power pulse and long-term durable energy outputs. To achieve this goal, a majority of studies have focused on optimization of solid electrode materials. However, the issue of slow diffusion of ions in electrode materials causes unsatisfactory power density in the energy storage devices. In this work, soluble dual-redox additives in an aqueous electrolyte were employed to combine with a S/P co-doped carbon based cathode and a carbon cloth (CC) based anode to construct an aqueous zinc bromine (Zn-Br2) "supercapattery". The as-fabricated supercapattery possessed electrical-double-layer type, pseudocapacitive, and battery-type charge storage in both cathode and anode and successfully united capacitive character and battery-like character in one device. The benefits of the triple functions of charge storage resulted in an extremely high energy density of 270 W h kg-1 and a maximum power density of 9300 W kg-1. The capacitive and pseudocapacitive charge storage processes in the Zn-Br2 supercapattery are able to provide peak power output. Meanwhile, the diffusion-controlled battery-type redox reactions can meet the requirement for high energy. This work provides a new pathway towards development of electrochemical energy storage devices with both battery-level energy density and capacitor-level power density.
dc.description.peerreviewedYes
dc.languageEnglish
dc.language.isoeng
dc.publisherRoyal Society of Chemistry
dc.relation.ispartofpagefrom495
dc.relation.ispartofpageto503
dc.relation.ispartofissue2
dc.relation.ispartofjournalMaterials Horizons
dc.relation.ispartofvolume7
dc.subject.fieldofresearchMacromolecular and materials chemistry
dc.subject.fieldofresearchChemical engineering
dc.subject.fieldofresearchMaterials engineering
dc.subject.fieldofresearchcode3403
dc.subject.fieldofresearchcode4004
dc.subject.fieldofresearchcode4016
dc.subject.keywordsScience & Technology
dc.subject.keywordsPhysical Sciences
dc.subject.keywordsChemistry, Multidisciplinary
dc.subject.keywordsMaterials Science, Multidisciplinary
dc.titleA zinc bromine "supercapattery" system combining triple functions of capacitive, pseudocapacitive and battery-type charge storage
dc.typeJournal article
dc.type.descriptionC1 - Articles
dcterms.bibliographicCitationYu, F; Zhang, C; Wang, F; Gu, Y; Zhang, P; Waclawik, ER; Du, A; Ostrikov, KK; Wang, H, A zinc bromine "supercapattery" system combining triple functions of capacitive, pseudocapacitive and battery-type charge storage, Materials Horizons, 2020, 7 (2), pp. 495-503
dc.date.updated2020-04-29T01:39:20Z
gro.hasfulltextNo Full Text
gro.griffith.authorOstrikov, Ken


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