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Facile synthesis of Co3O4@NiCo2O4 core-shell arrays on Ni foam for advanced binder-free supercapacitor electrodes
Alternative TitleCeram. Int.
Gao, Xing1; Zhang, Yuxin1,2; Huang, Ming1; Li, Fei1; Hua, Chao3; Yu, Liang1; Zheng, Huaili4
2014-12-01
Source PublicationCERAMICS INTERNATIONAL
ISSN0272-8842
Volume40Issue:10Pages:15641-15646
AbstractWe developed a one-step hydrothermal strategy to fabricate Co3O4@NiCo2O4 core-shell arrays on Ni foam. With this method, the ultralong NiCo2O4 nanowires were self-assembled on the Co3O4 nanowire arrays on Ni foam comfortably. Moreover, the eletrochemical properties of the hybird eletrodes were elucidated by cyclic voltammograms, galvanostatic charge/discharge tests and eletrochemical impedance spectroscopy in 2 M KOH electrolyte. The results exhibited a specific capacitance of 672 F g(-1) and excellent cycling stability (97.1% retention after 3000 cycles). The excellent electrochemical performance made the hybrid a promising electrode material for electrochemical capacitors. (C) 2014 Elsevier Ltd and Techna Group S.r.l. All rights reserved.; We developed a one-step hydrothermal strategy to fabricate Co3O4@NiCo2O4 core-shell arrays on Ni foam. With this method, the ultralong NiCo2O4 nanowires were self-assembled on the Co3O4 nanowire arrays on Ni foam comfortably. Moreover, the eletrochemical properties of the hybird eletrodes were elucidated by cyclic voltammograms, galvanostatic charge/discharge tests and eletrochemical impedance spectroscopy in 2 M KOH electrolyte. The results exhibited a specific capacitance of 672 F g(-1) and excellent cycling stability (97.1% retention after 3000 cycles). The excellent electrochemical performance made the hybrid a promising electrode material for electrochemical capacitors. (C) 2014 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
KeywordCo3o4 Nico2o4 Nanowires Core-shell Array Supercapacitor
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.ceramint.2014.07.084
URL查看原文
Indexed BySCI
Language英语
WOS KeywordHIGH-PERFORMANCE SUPERCAPACITORS ; ELECTROCHEMICAL CAPACITORS ; NANOWIRE ; OXIDE
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
WOS IDWOS:000343353600032
Citation statistics
Cited Times:30[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/11673
Collection研究所(批量导入)
Affiliation1.Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
2.Chongqing Univ, Nation Key Lab Fundamental Sci Micro Nanodevices, Chongqing 400044, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
4.Chongqing Univ, Coll Urban Construct & Environm Engn, Chongqing 400044, Peoples R China
Recommended Citation
GB/T 7714
Gao, Xing,Zhang, Yuxin,Huang, Ming,et al. Facile synthesis of Co3O4@NiCo2O4 core-shell arrays on Ni foam for advanced binder-free supercapacitor electrodes[J]. CERAMICS INTERNATIONAL,2014,40(10):15641-15646.
APA Gao, Xing.,Zhang, Yuxin.,Huang, Ming.,Li, Fei.,Hua, Chao.,...&Zheng, Huaili.(2014).Facile synthesis of Co3O4@NiCo2O4 core-shell arrays on Ni foam for advanced binder-free supercapacitor electrodes.CERAMICS INTERNATIONAL,40(10),15641-15646.
MLA Gao, Xing,et al."Facile synthesis of Co3O4@NiCo2O4 core-shell arrays on Ni foam for advanced binder-free supercapacitor electrodes".CERAMICS INTERNATIONAL 40.10(2014):15641-15646.
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