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Double-layer cobalt selenide/nickel selenide with web-like nanostructures as a high-performance electrode material for supercapacitors

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dc.contributor.authorYoung-Hoon Lee-
dc.contributor.authorJin Soo Kang-
dc.contributor.authorJo, In-Rok-
dc.contributor.authorYung-Eun Sung-
dc.contributor.authorAhn, Kwang-Soon-
dc.date.accessioned2021-12-27T02:30:13Z-
dc.date.available2021-12-27T02:30:13Z-
dc.date.created2021-08-09-
dc.date.issued2021-08-15-
dc.identifier.issn1572-6657-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/10938-
dc.description.abstract© 2021 Elsevier B.V.In this study, we report the development of a double-layer CoSe2/NiSe2 film as a high-performance electrode material for supercapacitors. CoSe2/NiSe2 film with a distinctive web-like morphology and large surface area was prepared via two-step sequential electrodeposition of CoSe2 and NiSe2 on a nickel foam. The web-like nanostructure provided interconnected pathways that facilitated charge transport and improved ion-diffusion kinetics near the electrode surface. The favorable morphology and combined redox reactions of CoSe2 and NiSe2 in the double-layer CoSe2/NiSe2 electrode resulted in a synergistically enhanced performance in supercapacitors than those of single-layer CoSe2 and NiSe2, exhibiting a high specific capacity of 646 C g−1 at an operation current of 1 A g−1, outstanding rate capability (68.1% capacity retention at 40-times faster charge/discharge), and decent cycling stability (80.1% capacity retention after 5000 cycles at 40 A g−1). The two-electrode hybrid supercapacitors of CoSe2/NiSe2//activated carbon exhibited maximum energy density (27.8 Wh kg−1) at a power density of 750 W kg−1.-
dc.language영어-
dc.publisherElsevier B.V.-
dc.titleDouble-layer cobalt selenide/nickel selenide with web-like nanostructures as a high-performance electrode material for supercapacitors-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000685550500016-
dc.identifier.scopusid2-s2.0-85108970810-
dc.identifier.rimsid76168-
dc.contributor.affiliatedAuthorYoung-Hoon Lee-
dc.contributor.affiliatedAuthorJin Soo Kang-
dc.contributor.affiliatedAuthorYung-Eun Sung-
dc.identifier.doi10.1016/j.jelechem.2021.115479-
dc.identifier.bibliographicCitationJOURNAL OF ELECTROANALYTICAL CHEMISTRY, v.895-
dc.relation.isPartOfJOURNAL OF ELECTROANALYTICAL CHEMISTRY-
dc.citation.titleJOURNAL OF ELECTROANALYTICAL CHEMISTRY-
dc.citation.volume895-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaChemistry-
dc.relation.journalResearchAreaElectrochemistry-
dc.relation.journalWebOfScienceCategoryChemistry, Analytical-
dc.relation.journalWebOfScienceCategoryElectrochemistry-
dc.subject.keywordPlusNI FOAM-
dc.subject.keywordPlusFACILE SYNTHESIS-
dc.subject.keywordPlusNANOTUBE ARRAYS-
dc.subject.keywordPlusENERGY-STORAGE-
dc.subject.keywordPlusNISE2-
dc.subject.keywordPlusNANOPARTICLES-
dc.subject.keywordPlusNANOSHEETS-
dc.subject.keywordPlusNANOMATERIALS-
dc.subject.keywordPlusNANORODS-
dc.subject.keywordPlusDESIGN-
dc.subject.keywordAuthorWeb-like morphology-
dc.subject.keywordAuthorNickel selenide-
dc.subject.keywordAuthorCobalt selenide-
dc.subject.keywordAuthorElectrodeposition-
dc.subject.keywordAuthorSupercapacitor-
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > 1. Journal Papers (저널논문)
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