Flexible free-standing Na4Mn9O18/reduced graphene oxide composite film as a cathode for sodium rechargeable hybrid aqueous battery

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dc.contributor.authorYuan, Guanghui
dc.contributor.authorXiang, Jiming
dc.contributor.authorJin, Huafeng
dc.contributor.authorJin, Yanzi
dc.contributor.authorWu, Lizhou
dc.contributor.authorZhang, Yongguang
dc.contributor.authorMentbayeva, Almagul
dc.contributor.authorBakenov, Zhumabay
dc.creatorGuanghui, Yuan
dc.date.accessioned2018-01-04T05:29:47Z
dc.date.available2018-01-04T05:29:47Z
dc.date.issued2018-01-01
dc.description.abstractAbstract A novel free-standing Na4Mn9O18/reduced graphene oxide (NMO-RGO) composite was successfully prepared by a facile vacuum filtration technique. Scanning and transmission electron microscopy studies revealed formation of a film with needle-like Na4Mn9O18 homogeneously distributed and anchored on the RGO matrix. A sodium rechargeable hybrid aqueous battery with this novel cathode and zinc anode was first investigated and reported. The NMO-RGO film delivered a reversible discharge capacity of about 83 mAh g−1 when cycled galvanostatically at a current density of 0.1 A g−1, which was for about 78% higher than that of Na4Mn9O18 prepared by a slurry casting technique. This significant enhancement of electrochemical properties of NMO-RGO was due to the presence of graphene sheets in this free-standing composite cathode. These sheets form an agile substrate with a high conductivity to guarantee a successive electronic conduction channels in the electrode. In the same time, such composition and structure enables accommodation of the volume changes of Na4Mn9O18 during sodium insertion-extraction.en_US
dc.identifierDOI:10.1016/j.electacta.2017.11.015
dc.identifier.citationGuanghui Yuan, Jiming Xiang, Huafeng Jin, Yanzi Jin, Lizhou Wu, Yongguang Zhang, Almagul Mentbayeva, Zhumabay Bakenov, Flexible free-standing Na4Mn9O18/reduced graphene oxide composite film as a cathode for sodium rechargeable hybrid aqueous battery, In Electrochimica Acta, Volume 259, 2018, Pages 647-654en_US
dc.identifier.issn00134686
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S0013468617323666
dc.identifier.urihttp://nur.nu.edu.kz/handle/123456789/3079
dc.language.isoenen_US
dc.publisherElectrochimica Actaen_US
dc.relation.ispartofElectrochimica Acta
dc.rights.license© 2017 Nazarbayev University. Published by Elsevier Ltd.
dc.subjectNa4Mn9O18/reduced graphene oxideen_US
dc.subjectFree-standing electrodeen_US
dc.subjectComposite filmen_US
dc.subjectCathode materialen_US
dc.subjectRechargeable hybrid aqueous batteryen_US
dc.titleFlexible free-standing Na4Mn9O18/reduced graphene oxide composite film as a cathode for sodium rechargeable hybrid aqueous batteryen_US
dc.typeArticleen_US
elsevier.aggregationtypeJournal
elsevier.coverdate2018-01-01
elsevier.coverdisplaydate1 January 2018
elsevier.endingpage654
elsevier.identifier.doi10.1016/j.electacta.2017.11.015
elsevier.identifier.eid1-s2.0-S0013468617323666
elsevier.identifier.piiS0013-4686(17)32366-6
elsevier.identifier.scopusid85033384929
elsevier.openaccess1
elsevier.openaccessarticletrue
elsevier.openaccessuserlicensehttp://creativecommons.org/licenses/by-nc-nd/4.0/
elsevier.openarchivearticlefalse
elsevier.startingpage647
elsevier.teaserA novel free-standing Na4Mn9O18/reduced graphene oxide (NMO-RGO) composite was successfully prepared by a facile vacuum filtration technique. Scanning and transmission electron microscopy studies revealed...
elsevier.volume259
workflow.import.sourcescience

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