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High-Performance Supercapacitor Electrode Materials: Cu/MnXx (X = O, S, C)-rGO Nanocomposites Derived from CuMn-BTC Metal–Organic Framework.

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Title: High-Performance Supercapacitor Electrode Materials: Cu/MnXx (X = O, S, C)-rGO Nanocomposites Derived from CuMn-BTC Metal–Organic Framework.
Authors: Tan, Shangrong1 (AUTHOR), Yao, Zhuo1 (AUTHOR) yaozhuo1986@163.com, Huang, Hong2 (AUTHOR) Hong.Huang@wright.edu, Liu, Zechen1 (AUTHOR), Guo, Shiqi1 (AUTHOR), Zhao, Xinyun1 (AUTHOR)
Source: Journal of Electronic Materials. Mar2025, Vol. 54 Issue 3, p1925-1936. 12p.
Subjects: Physical & theoretical chemistry, Electric conductivity, Sulfidation, Electron transport, Electronic equipment, Supercapacitor electrodes
Abstract: Electrochemical supercapacitors, given their high power density and excellent cycling stability, have broad applications from electronic devices to electric vehicles. In this study, we have developed novel nanocomposites to serve as electrodes of high-performance supercapacitors. The nanocomposites, referred to as Cu/MnXx (X = O, S, C)-rGO (rGO: reduced graphene oxide), were fabricated through direct oxidation, sulfidation, and carbonization at elevated temperatures from their metal–organic framework origin, i.e., Cu/Mn-BTC-rGO (BTC: benzene–1,3,5-tricarboxylic acid). This process is cost-effective and scalable, and can be fine-tuned to achieve a variety of nanocomposites with the desired chemistry and structural characteristics. The carbonized product, Cu/MnCx-rGO, is made up of nanoparticles of MnO and copper in close contact supported on rGO nanosheets via strong coupling. This material demonstrates excellent charge storage, rate capability, and cycling stability, i.e., high specific capacitance of 718.6 F g−1 at a current density of 1 A g−1, with 92.6% capacitance retention after 1000 cycles. The hierarchical 3D structured Cu/MnCx-rGO nanocomposite has unique chemistry, high surface area, and high electrical conductivity, and hence ensures rapid ion and electron transport beneficial to both pseudocapacitive and double-layer capacitive performance. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Electronic Materials is the property of Springer Nature 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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  Data: High-Performance Supercapacitor Electrode Materials: Cu/MnX<subscript>x</subscript> (X = O, S, C)-rGO Nanocomposites Derived from CuMn-BTC Metal–Organic Framework.
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Electronic+Materials%22">Journal of Electronic Materials</searchLink>. Mar2025, Vol. 54 Issue 3, p1925-1936. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Physical+%26+theoretical+chemistry%22">Physical & theoretical chemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+conductivity%22">Electric conductivity</searchLink><br /><searchLink fieldCode="DE" term="%22Sulfidation%22">Sulfidation</searchLink><br /><searchLink fieldCode="DE" term="%22Electron+transport%22">Electron transport</searchLink><br /><searchLink fieldCode="DE" term="%22Electronic+equipment%22">Electronic equipment</searchLink><br /><searchLink fieldCode="DE" term="%22Supercapacitor+electrodes%22">Supercapacitor electrodes</searchLink>
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  Data: Electrochemical supercapacitors, given their high power density and excellent cycling stability, have broad applications from electronic devices to electric vehicles. In this study, we have developed novel nanocomposites to serve as electrodes of high-performance supercapacitors. The nanocomposites, referred to as Cu/MnXx (X = O, S, C)-rGO (rGO: reduced graphene oxide), were fabricated through direct oxidation, sulfidation, and carbonization at elevated temperatures from their metal–organic framework origin, i.e., Cu/Mn-BTC-rGO (BTC: benzene–1,3,5-tricarboxylic acid). This process is cost-effective and scalable, and can be fine-tuned to achieve a variety of nanocomposites with the desired chemistry and structural characteristics. The carbonized product, Cu/MnCx-rGO, is made up of nanoparticles of MnO and copper in close contact supported on rGO nanosheets via strong coupling. This material demonstrates excellent charge storage, rate capability, and cycling stability, i.e., high specific capacitance of 718.6 F g−1 at a current density of 1 A g−1, with 92.6% capacitance retention after 1000 cycles. The hierarchical 3D structured Cu/MnCx-rGO nanocomposite has unique chemistry, high surface area, and high electrical conductivity, and hence ensures rapid ion and electron transport beneficial to both pseudocapacitive and double-layer capacitive performance. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Electronic Materials is the property of Springer Nature 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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      – Type: doi
        Value: 10.1007/s11664-024-11716-3
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      – Code: eng
        Text: English
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        PageCount: 12
        StartPage: 1925
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      – SubjectFull: Physical & theoretical chemistry
        Type: general
      – SubjectFull: Electric conductivity
        Type: general
      – SubjectFull: Sulfidation
        Type: general
      – SubjectFull: Electron transport
        Type: general
      – SubjectFull: Electronic equipment
        Type: general
      – SubjectFull: Supercapacitor electrodes
        Type: general
    Titles:
      – TitleFull: High-Performance Supercapacitor Electrode Materials: Cu/MnXx (X = O, S, C)-rGO Nanocomposites Derived from CuMn-BTC Metal–Organic Framework.
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          Name:
            NameFull: Tan, Shangrong
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            NameFull: Yao, Zhuo
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            NameFull: Huang, Hong
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            NameFull: Liu, Zechen
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            NameFull: Guo, Shiqi
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            – D: 01
              M: 03
              Text: Mar2025
              Type: published
              Y: 2025
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