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Electrospun MOF-based porous Zn-co@carbon composite nanofibers as an efficient catalyst for oxygen reduction reactions in MFC.

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Title: Electrospun MOF-based porous Zn-co@carbon composite nanofibers as an efficient catalyst for oxygen reduction reactions in MFC.
Authors: Zhang, Xiaoyan1,2 (AUTHOR), Lin, Mingzhen1 (AUTHOR), Tang, Simin1 (AUTHOR), Yang, Jing1,3 (AUTHOR) yangjing.xy@163.com, Chen, Zilei1,4 (AUTHOR) CZL7274@163.com, Yang, Qinzheng1 (AUTHOR)
Source: Electrochemistry Communications. Apr2026, Vol. 185, pN.PAG-N.PAG. 1p.
Subjects: Microbial fuel cells, Metal-organic frameworks, Electrospinning, Oxygen reduction, Cobalt compounds, Zinc, Nanofibers, Electrocatalysis
Abstract: Microbial fuel cell (MFC) is a sustainable technology that uses the energy of exoelectrically generated bacteria to convert waste into energy. However, the existing cathode materials have poor electrical conductivity and low electrochemical activity, which makes it difficult to improve the electricity generation efficiency of MFC, which seriously hinders the development of MFC. Metal-organic framework (MOF) materials formed by Zn and Co transition metals were grown on the surface of electrospun PAN nanofibers by in-situ growth method, and C nanofibers supported with bimetallic MOF skeleton nanoparticles were prepared by high temperature heat treatment (Zn-Co@NC). The two transition metal MOF scaffolders provide abundant defect structure and pore structure, and have excellent electrocatalytic activity. The developed Zn-Co@NC MFC cathode material significantly improves the material's electricity generation efficiency, and the power density of MFC can reach 1.37 W·m−2. In this study, the performance of MFC cells is greatly improved, and the application potential of Zn-Co@NC as a cathode material in high-performance MFC cells is demonstrated. • High specific surface area nanofiber materials with surface-grown MOF nanoparticles are prepared. • High power density of 1.37 W·m-2 MFC is achieved by Zn-Co@NC nanofibers-based air cathode. • Excellent electrochemical activity is exhibited by the rich defect structure and pore structure inside. [ABSTRACT FROM AUTHOR]
Copyright of Electrochemistry Communications 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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Header DbId: egs
DbLabel: Engineering Source
An: 192151248
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Electrospun MOF-based porous Zn-co@carbon composite nanofibers as an efficient catalyst for oxygen reduction reactions in MFC.
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  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Xiaoyan%22">Zhang, Xiaoyan</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lin%2C+Mingzhen%22">Lin, Mingzhen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tang%2C+Simin%22">Tang, Simin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Jing%22">Yang, Jing</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<i> yangjing.xy@163.com</i><br /><searchLink fieldCode="AR" term="%22Chen%2C+Zilei%22">Chen, Zilei</searchLink><relatesTo>1,4</relatesTo> (AUTHOR)<i> CZL7274@163.com</i><br /><searchLink fieldCode="AR" term="%22Yang%2C+Qinzheng%22">Yang, Qinzheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Electrochemistry+Communications%22">Electrochemistry Communications</searchLink>. Apr2026, Vol. 185, pN.PAG-N.PAG. 1p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Microbial+fuel+cells%22">Microbial fuel cells</searchLink><br /><searchLink fieldCode="DE" term="%22Metal-organic+frameworks%22">Metal-organic frameworks</searchLink><br /><searchLink fieldCode="DE" term="%22Electrospinning%22">Electrospinning</searchLink><br /><searchLink fieldCode="DE" term="%22Oxygen+reduction%22">Oxygen reduction</searchLink><br /><searchLink fieldCode="DE" term="%22Cobalt+compounds%22">Cobalt compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Zinc%22">Zinc</searchLink><br /><searchLink fieldCode="DE" term="%22Nanofibers%22">Nanofibers</searchLink><br /><searchLink fieldCode="DE" term="%22Electrocatalysis%22">Electrocatalysis</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Microbial fuel cell (MFC) is a sustainable technology that uses the energy of exoelectrically generated bacteria to convert waste into energy. However, the existing cathode materials have poor electrical conductivity and low electrochemical activity, which makes it difficult to improve the electricity generation efficiency of MFC, which seriously hinders the development of MFC. Metal-organic framework (MOF) materials formed by Zn and Co transition metals were grown on the surface of electrospun PAN nanofibers by in-situ growth method, and C nanofibers supported with bimetallic MOF skeleton nanoparticles were prepared by high temperature heat treatment (Zn-Co@NC). The two transition metal MOF scaffolders provide abundant defect structure and pore structure, and have excellent electrocatalytic activity. The developed Zn-Co@NC MFC cathode material significantly improves the material's electricity generation efficiency, and the power density of MFC can reach 1.37 W·m−2. In this study, the performance of MFC cells is greatly improved, and the application potential of Zn-Co@NC as a cathode material in high-performance MFC cells is demonstrated. • High specific surface area nanofiber materials with surface-grown MOF nanoparticles are prepared. • High power density of 1.37 W·m-2 MFC is achieved by Zn-Co@NC nanofibers-based air cathode. • Excellent electrochemical activity is exhibited by the rich defect structure and pore structure inside. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Electrochemistry Communications 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:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.elecom.2026.108115
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Microbial fuel cells
        Type: general
      – SubjectFull: Metal-organic frameworks
        Type: general
      – SubjectFull: Electrospinning
        Type: general
      – SubjectFull: Oxygen reduction
        Type: general
      – SubjectFull: Cobalt compounds
        Type: general
      – SubjectFull: Zinc
        Type: general
      – SubjectFull: Nanofibers
        Type: general
      – SubjectFull: Electrocatalysis
        Type: general
    Titles:
      – TitleFull: Electrospun MOF-based porous Zn-co@carbon composite nanofibers as an efficient catalyst for oxygen reduction reactions in MFC.
        Type: main
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          Name:
            NameFull: Zhang, Xiaoyan
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            NameFull: Lin, Mingzhen
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            NameFull: Tang, Simin
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            NameFull: Yang, Jing
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            NameFull: Chen, Zilei
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            NameFull: Yang, Qinzheng
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            – D: 01
              M: 04
              Text: Apr2026
              Type: published
              Y: 2026
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              Value: 185
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            – TitleFull: Electrochemistry Communications
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