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High-performance quasi-solid-state flexible sodium metal battery: Substrate-free FeS2-C composite fibers cathode and polyimide film-stuck sodium metal anode

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dc.contributor.authorMohanta, Jagdeep-
dc.contributor.authorKim, Hye-Jung-
dc.contributor.authorJeong, Sang Mun-
dc.contributor.authorCho, Jung Sang-
dc.contributor.authorAhn, Hyo-Jun-
dc.contributor.authorAhn, Jou-Hyeon-
dc.contributor.authorKim, Jae-Kwang-
dc.date.accessioned2022-12-26T12:32:59Z-
dc.date.available2022-12-26T12:32:59Z-
dc.date.issued2020-07-01-
dc.identifier.issn1385-8947-
dc.identifier.issn1873-3212-
dc.identifier.urihttps://scholarworks.gnu.ac.kr/handle/sw.gnu/6413-
dc.description.abstractA substrate-free carbon-coated FeS2-fiber-based cathode for quasi-solid-state rechargeable flexible sodium metal batteries is reported for the first time. A facile electrospinning technique followed by carbonization is employed for the synthesis of a novel cathode for a flexible sodium metal batteries. For fabrication of the solid-state flexible battery, a Na3Zr2Si2PO12-based hybrid solid electrolyte is utilized as the separator and electrolyte. A discharge capacity of about 808.26 mAh g(-1) is obtained in the first charge-discharge cycle, which is greater than that of any previously reported Na/FeS2-based battery. The carbon coating on the FeS2 fiber allows the flexible battery to have an enhanced discharge capacity of 633.43 mAh g(-1), even after undergoing five charge-discharge cycles at a 0.1 C rate. At a 2 C rate, a high specific capacity of 393.5 mAh g(-1) is maintained, and the value increases on the return from 2 C to 0.1 C until it reaches a value similar to the initial 0.1 C rate. A superior rate capability with enhanced electrochemical stability of the quasi-solid-state sodium metal battery is also demonstrated due to the substrate-free flexible carbon-coated FeS2-fiber-based cathode. Owing to its high flexibility and electrochemical properties, the flexible solid-state sodium metal battery has considerable potential for high-performance sodium batteries.-
dc.language영어-
dc.language.isoENG-
dc.publisherELSEVIER SCIENCE SA-
dc.titleHigh-performance quasi-solid-state flexible sodium metal battery: Substrate-free FeS2-C composite fibers cathode and polyimide film-stuck sodium metal anode-
dc.typeArticle-
dc.publisher.location스위스-
dc.identifier.doi10.1016/j.cej.2019.123510-
dc.identifier.scopusid2-s2.0-85076525139-
dc.identifier.wosid000545945100031-
dc.identifier.bibliographicCitationCHEMICAL ENGINEERING JOURNAL, v.391-
dc.citation.titleCHEMICAL ENGINEERING JOURNAL-
dc.citation.volume391-
dc.type.docTypeArticle-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaEngineering-
dc.relation.journalWebOfScienceCategoryEngineering, Environmental-
dc.relation.journalWebOfScienceCategoryEngineering, Chemical-
dc.subject.keywordPlusPOROUS CARBON-
dc.subject.keywordPlusELECTROCHEMICAL PERFORMANCE-
dc.subject.keywordPlusREACTION-MECHANISM-
dc.subject.keywordPlusGRAPHENE OXIDE-
dc.subject.keywordPlusION BATTERIES-
dc.subject.keywordPlusSEPARATOR-
dc.subject.keywordPlusNANOPARTICLES-
dc.subject.keywordPlusELECTROLYTES-
dc.subject.keywordAuthorFeS2 fiber-
dc.subject.keywordAuthorSubstrate-free electrode-
dc.subject.keywordAuthorElectrospinning-
dc.subject.keywordAuthorHybrid solid electrolyte-
dc.subject.keywordAuthorSolid-state flexible sodium metal battery-
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대학원 (나노신소재융합공학과)
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