Hierarchical zeolitic imidazolate framework-derived manganese-doped zinc oxide decorated carbon nanofiber electrodes for high performance flexible supercapacitors
DC Field | Value | Language |
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dc.contributor.author | Samuel, Edmund | - |
dc.contributor.author | Joshi, Bhavana | - |
dc.contributor.author | Kim, Min-Woo | - |
dc.contributor.author | Kim, Yong-Il | - |
dc.contributor.author | Swihart, Mark T. | - |
dc.contributor.author | Yoon, Sam S. | - |
dc.date.accessioned | 2021-09-01T07:16:23Z | - |
dc.date.available | 2021-09-01T07:16:23Z | - |
dc.date.created | 2021-06-19 | - |
dc.date.issued | 2019-09-01 | - |
dc.identifier.issn | 1385-8947 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/62946 | - |
dc.description.abstract | We demonstrate freestanding, flexible, and cost-effective supercapacitor electrodes comprising carbon nanofibers (CNFs) decorated with metal oxide framework (MOF)-derived manganese-doped zinc oxide (Mn@ZnO). Nanoparticles of manganese-doped zeolitic imidazolate framework (ZIF-8) were grown directly on electrospun polyacrylonitrile nanofibers by a simple solution-phase synthesis. Carbonization of these composite fibers produced high surface area dodecahedral Mn@ZnO on core CNFs that provide fast electron-transfer pathways. The synergy between Mn@ZnO (active sites for Faradaic reactions) and the highly electrically conductive carbon nanofiber improves the performance of the supercapacitor electrode. The Mn@ZnO/CNF electrodes exhibit a high specific capacitance of 501 F.g(-1) and retain> 92% of their initial capacitance after 10,000 cycles. The optimized Mn@ZnO/CNF electrodes deliver impressive energy densities of 72.1 W.h.kg(-1) and 33.3 W.h.kg(-1) at power densities of 500 W.kg(-1) and 5000 W.kg(-1), respectively. This electrochemical performance demonstrates that the Mn@ZnO/CNF nanostructured composite is a robust electrode material for long-lifetime high-rate energy storage/delivery devices. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCIENCE SA | - |
dc.subject | POROUS CARBON | - |
dc.subject | ROOM-TEMPERATURE | - |
dc.subject | FACILE SYNTHESIS | - |
dc.subject | GRAPHENE FOAM | - |
dc.subject | ZIF-8 | - |
dc.subject | COMPOSITE | - |
dc.subject | CARBONIZATION | - |
dc.subject | FABRICATION | - |
dc.subject | NANOSHEETS | - |
dc.subject | POLYHEDRA | - |
dc.title | Hierarchical zeolitic imidazolate framework-derived manganese-doped zinc oxide decorated carbon nanofiber electrodes for high performance flexible supercapacitors | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Yoon, Sam S. | - |
dc.identifier.doi | 10.1016/j.cej.2019.04.065 | - |
dc.identifier.scopusid | 2-s2.0-85064249937 | - |
dc.identifier.wosid | 000467042200070 | - |
dc.identifier.bibliographicCitation | CHEMICAL ENGINEERING JOURNAL, v.371, pp.657 - 665 | - |
dc.relation.isPartOf | CHEMICAL ENGINEERING JOURNAL | - |
dc.citation.title | CHEMICAL ENGINEERING JOURNAL | - |
dc.citation.volume | 371 | - |
dc.citation.startPage | 657 | - |
dc.citation.endPage | 665 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Engineering | - |
dc.relation.journalWebOfScienceCategory | Engineering, Environmental | - |
dc.relation.journalWebOfScienceCategory | Engineering, Chemical | - |
dc.subject.keywordPlus | POROUS CARBON | - |
dc.subject.keywordPlus | ROOM-TEMPERATURE | - |
dc.subject.keywordPlus | FACILE SYNTHESIS | - |
dc.subject.keywordPlus | GRAPHENE FOAM | - |
dc.subject.keywordPlus | ZIF-8 | - |
dc.subject.keywordPlus | COMPOSITE | - |
dc.subject.keywordPlus | CARBONIZATION | - |
dc.subject.keywordPlus | FABRICATION | - |
dc.subject.keywordPlus | NANOSHEETS | - |
dc.subject.keywordPlus | POLYHEDRA | - |
dc.subject.keywordAuthor | Mn/ZIF-8 | - |
dc.subject.keywordAuthor | Carbon nanofiber | - |
dc.subject.keywordAuthor | Supercapacitor | - |
dc.subject.keywordAuthor | Electrospinning | - |
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