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Co3O4@NiCo2O4 microsphere as electrode materials for high-performance supercapacitors.

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Title: Co3O4@NiCo2O4 microsphere as electrode materials for high-performance supercapacitors.
Authors: Zhu, Yan-Rong1 (AUTHOR), Peng, Pan-Pan1 (AUTHOR), Wu, Jin-Zhu1 (AUTHOR), Yi, Ting-Feng1 (AUTHOR) tfyihit@163.com, Xie, Ying1 (AUTHOR) xieying@hlju.edu.cn, Luo, Shaohua1 (AUTHOR) tianyanglsh@163.com
Source: Solid State Ionics. Aug2019, Vol. 336, p110-119. 10p.
Subjects: Supercapacitor electrodes, Charge exchange, Charge transfer, Electrodes, Microspheres, Materials
Abstract: In this work, hierarchical Co 3 O 4 @NiCo 2 O 4 microspheres composed of nano particles grown on nickel foam as supercapacitor electrode material were designed by a hydrothermal route, following an ultrasonic-assisted process. The introduction of moderate amounts NiCo 2 O 4 in Co 3 O 4 can decrease charge transfer resistance and enhance the transfer of electrons and ions. Therefore, Co 3 O 4 @NiCo 2 O 4 (4:1) shows an excellent specific capacitance of 879.4 F g−1 at 10 A g−1, and the capacitance retention maintains 81.2% of its first capacitance after 3000 cycles, indicating a high cycling durability and outstanding fast charge-discharge performance. The outstanding property exhibits that the hierarchical Co 3 O 4 @NiCo 2 O 4 (4:1) microsphere has tremendous application potential in supercapacitors. Unlabelled Image • Hierarchical Co 3 O 4 @NiCo 2 O 4 microspheres grown on nickel foam are designed. • The well-matched interfaces are helpful for improving the rate capacity and cycling stability. • Hierarchical Co 3 O 4 @NiCo 2 O 4 microsphere has tremendous application potential. [ABSTRACT FROM AUTHOR]
Copyright of Solid State Ionics is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 136660938
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
  Group: Ti
  Data: Co3O4@NiCo2O4 microsphere as electrode materials for high-performance supercapacitors.
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  Data: <searchLink fieldCode="AR" term="%22Zhu%2C+Yan-Rong%22">Zhu, Yan-Rong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Peng%2C+Pan-Pan%22">Peng, Pan-Pan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Jin-Zhu%22">Wu, Jin-Zhu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yi%2C+Ting-Feng%22">Yi, Ting-Feng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> tfyihit@163.com</i><br /><searchLink fieldCode="AR" term="%22Xie%2C+Ying%22">Xie, Ying</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> xieying@hlju.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Luo%2C+Shaohua%22">Luo, Shaohua</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> tianyanglsh@163.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Solid+State+Ionics%22">Solid State Ionics</searchLink>. Aug2019, Vol. 336, p110-119. 10p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Supercapacitor+electrodes%22">Supercapacitor electrodes</searchLink><br /><searchLink fieldCode="DE" term="%22Charge+exchange%22">Charge exchange</searchLink><br /><searchLink fieldCode="DE" term="%22Charge+transfer%22">Charge transfer</searchLink><br /><searchLink fieldCode="DE" term="%22Electrodes%22">Electrodes</searchLink><br /><searchLink fieldCode="DE" term="%22Microspheres%22">Microspheres</searchLink><br /><searchLink fieldCode="DE" term="%22Materials%22">Materials</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In this work, hierarchical Co 3 O 4 @NiCo 2 O 4 microspheres composed of nano particles grown on nickel foam as supercapacitor electrode material were designed by a hydrothermal route, following an ultrasonic-assisted process. The introduction of moderate amounts NiCo 2 O 4 in Co 3 O 4 can decrease charge transfer resistance and enhance the transfer of electrons and ions. Therefore, Co 3 O 4 @NiCo 2 O 4 (4:1) shows an excellent specific capacitance of 879.4 F g−1 at 10 A g−1, and the capacitance retention maintains 81.2% of its first capacitance after 3000 cycles, indicating a high cycling durability and outstanding fast charge-discharge performance. The outstanding property exhibits that the hierarchical Co 3 O 4 @NiCo 2 O 4 (4:1) microsphere has tremendous application potential in supercapacitors. Unlabelled Image • Hierarchical Co 3 O 4 @NiCo 2 O 4 microspheres grown on nickel foam are designed. • The well-matched interfaces are helpful for improving the rate capacity and cycling stability. • Hierarchical Co 3 O 4 @NiCo 2 O 4 microsphere has tremendous application potential. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Solid State Ionics is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.1016/j.ssi.2019.03.022
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      – Code: eng
        Text: English
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        PageCount: 10
        StartPage: 110
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      – SubjectFull: Supercapacitor electrodes
        Type: general
      – SubjectFull: Charge exchange
        Type: general
      – SubjectFull: Charge transfer
        Type: general
      – SubjectFull: Electrodes
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      – SubjectFull: Microspheres
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      – SubjectFull: Materials
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    Titles:
      – TitleFull: Co3O4@NiCo2O4 microsphere as electrode materials for high-performance supercapacitors.
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            NameFull: Zhu, Yan-Rong
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            NameFull: Peng, Pan-Pan
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            NameFull: Wu, Jin-Zhu
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            NameFull: Xie, Ying
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            – D: 01
              M: 08
              Text: Aug2019
              Type: published
              Y: 2019
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              Value: 336
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            – TitleFull: Solid State Ionics
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