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Ultrasonically derived WSe2 nanostructure embedded MXene hybrid composites for supercapacitors and hydrogen evolution reactions.

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Title: Ultrasonically derived WSe2 nanostructure embedded MXene hybrid composites for supercapacitors and hydrogen evolution reactions.
Authors: Hussain, Sajjad1,2 (AUTHOR), Vikraman, Dhanasekaran3 (AUTHOR), Mehran, Muhammad Taqi4 (AUTHOR), Hussain, Muhammad1,2 (AUTHOR), Nazir, Ghazanfar5 (AUTHOR), Patil, Supriya A.2 (AUTHOR), Kim, Hyun-Seok1,3 (AUTHOR) hyunseokk@dongguk.edu, Jung, Jongwan1,2 (AUTHOR) jwjung@sejong.ac.kr
Source: Renewable Energy: An International Journal. Feb2022, Vol. 185, p585-597. 13p.
Subject Terms: Supercapacitors, Hydrogen evolution reactions, Transition metal chalcogenides, Electric conductivity, Electrode reactions, Standard hydrogen electrode
Abstract: Two-dimensional (2D) transition metal chalcogenides (TMDCs) and carbide have validated boundless prospective as multi-functional constituents for high performance energy storing and/or conversion devices. However, pure TMDCs exhibit poor performance for electrochemical applications due to low electrical conductivity, scarce electrochemically active edges and inadequate cycling stability. Therefore, this paper fabricated MXene/WSe 2 hybrids with strong interfacial interactions and conductivities using a one-step chemical reaction as electrodes for supercapacitors and hydrogen evolution. Fabricated supercapacitors achieved high specific capacitance = 840 F g−1 at 2 A g−1, with symmetric capacitance = 246 F g−1 at 2 A g−1 for MXene/WSe 2 hybrids. Hydrogen evolution achieved low overpotentials = 76 and 62 mV to drive 10 mA cm−2 current with small Tafel slopes = 78 and 84 mV.dec−1 in acid and base media, respectively. 2D and 2D hybrid WSe 2 nanoparticle composite embedded MXene scaffolds achieved excellent electron/ion intercalation owing to its distinctive 2D-layered structure, increasing interlayer spacing and retaining large electrode/electrolyte contact to enhance efficiency. Two-dimensional TMDCs/MXene composites were verified as potentially efficient electrode materials for energy storing and exchange uses. [ABSTRACT FROM AUTHOR]
Copyright of Renewable Energy: An International Journal is the property of Pergamon Press - An Imprint of Elsevier Science 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.)
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Ultrasonically derived WSe2 nanostructure embedded MXene hybrid composites for supercapacitors and hydrogen evolution reactions.
– Name: Author
  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Hussain%2C+Sajjad%22">Hussain, Sajjad</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Vikraman%2C+Dhanasekaran%22">Vikraman, Dhanasekaran</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mehran%2C+Muhammad+Taqi%22">Mehran, Muhammad Taqi</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hussain%2C+Muhammad%22">Hussain, Muhammad</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nazir%2C+Ghazanfar%22">Nazir, Ghazanfar</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Patil%2C+Supriya+A%2E%22">Patil, Supriya A.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kim%2C+Hyun-Seok%22">Kim, Hyun-Seok</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<i> hyunseokk@dongguk.edu</i><br /><searchLink fieldCode="AR" term="%22Jung%2C+Jongwan%22">Jung, Jongwan</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> jwjung@sejong.ac.kr</i>
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  Data: <searchLink fieldCode="JN" term="%22Renewable+Energy%3A+An+International+Journal%22">Renewable Energy: An International Journal</searchLink>. Feb2022, Vol. 185, p585-597. 13p.
– Name: Subject
  Label: Subject Terms
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  Data: <searchLink fieldCode="DE" term="%22Supercapacitors%22">Supercapacitors</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrogen+evolution+reactions%22">Hydrogen evolution reactions</searchLink><br /><searchLink fieldCode="DE" term="%22Transition+metal+chalcogenides%22">Transition metal chalcogenides</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+conductivity%22">Electric conductivity</searchLink><br /><searchLink fieldCode="DE" term="%22Electrode+reactions%22">Electrode reactions</searchLink><br /><searchLink fieldCode="DE" term="%22Standard+hydrogen+electrode%22">Standard hydrogen electrode</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Two-dimensional (2D) transition metal chalcogenides (TMDCs) and carbide have validated boundless prospective as multi-functional constituents for high performance energy storing and/or conversion devices. However, pure TMDCs exhibit poor performance for electrochemical applications due to low electrical conductivity, scarce electrochemically active edges and inadequate cycling stability. Therefore, this paper fabricated MXene/WSe 2 hybrids with strong interfacial interactions and conductivities using a one-step chemical reaction as electrodes for supercapacitors and hydrogen evolution. Fabricated supercapacitors achieved high specific capacitance = 840 F g−1 at 2 A g−1, with symmetric capacitance = 246 F g−1 at 2 A g−1 for MXene/WSe 2 hybrids. Hydrogen evolution achieved low overpotentials = 76 and 62 mV to drive 10 mA cm−2 current with small Tafel slopes = 78 and 84 mV.dec−1 in acid and base media, respectively. 2D and 2D hybrid WSe 2 nanoparticle composite embedded MXene scaffolds achieved excellent electron/ion intercalation owing to its distinctive 2D-layered structure, increasing interlayer spacing and retaining large electrode/electrolyte contact to enhance efficiency. Two-dimensional TMDCs/MXene composites were verified as potentially efficient electrode materials for energy storing and exchange uses. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Renewable Energy: An International Journal is the property of Pergamon Press - An Imprint of Elsevier Science 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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    Identifiers:
      – Type: doi
        Value: 10.1016/j.renene.2021.12.065
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 13
        StartPage: 585
    Subjects:
      – SubjectFull: Supercapacitors
        Type: general
      – SubjectFull: Hydrogen evolution reactions
        Type: general
      – SubjectFull: Transition metal chalcogenides
        Type: general
      – SubjectFull: Electric conductivity
        Type: general
      – SubjectFull: Electrode reactions
        Type: general
      – SubjectFull: Standard hydrogen electrode
        Type: general
    Titles:
      – TitleFull: Ultrasonically derived WSe2 nanostructure embedded MXene hybrid composites for supercapacitors and hydrogen evolution reactions.
        Type: main
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          Name:
            NameFull: Hussain, Sajjad
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            NameFull: Vikraman, Dhanasekaran
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            NameFull: Mehran, Muhammad Taqi
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            NameFull: Hussain, Muhammad
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            NameFull: Nazir, Ghazanfar
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            NameFull: Patil, Supriya A.
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            NameFull: Kim, Hyun-Seok
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          Dates:
            – D: 01
              M: 02
              Text: Feb2022
              Type: published
              Y: 2022
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              Value: 09601481
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              Value: 185
          Titles:
            – TitleFull: Renewable Energy: An International Journal
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