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Heteroatom‑doped mesoporous carbon prepared from a covalent organic framework/α‑MnO2 composite for high‑performance supercapacitor KCI 등재

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  • URLhttps://db.koreascholar.com/Article/Detail/420710
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Carbon Letters (Carbon letters)
한국탄소학회 (Korean Carbon Society)
초록

In this report, we successfully prepared nitrogen-doped porous carbon (N-PC)/manganese dioxide ( MnO2) composite for a high-performance supercapacitor. X-ray diffraction data revealed the α-MnO2 phase. Transmission electron microscopy confirmed that the nanostructured α-MnO2 nanoparticles were coated on the surface of N-PC. The N-PC/α-MnO2 composite delivered a capacitance of 525.7 F g− 1 at the charging current of 1.0 A g− 1. The higher capacitance of the composite could be owing to the synergy of MnO2 and N-PC. Besides, the electrode exhibited a 14.7% capacitance loss after 6000 charge– discharge cycles at 10 A g− 1 indicating good electrochemical stability.

목차
    Abstract
    1 Introduction
    2 Experimental
        2.1 Materials
        2.2 Synthesis of N-PCα-MnO2 composite
        2.3 Electrochemical analysis
        2.4 Characterization
    3 Results and discussion
        3.1 Structural, surface, and morphological studies
        3.2 Electrochemical measurement
    4 Conclusion
    Acknowledgements 
    References
저자
  • Stella Vargheese(Department of Nanoscience and Technology, Bharathiar University)
  • Dhanaprabhu Pattappan(Department of Nanoscience and Technology, Bharathiar University)
  • K. V. Kavya(Department of Nanoscience and Technology, Bharathiar University)
  • M. S. Sivaramkumar(Department of Chemistry, Kongunadu Arts and Science College)
  • Ramasamy Thangavelu Rajendra Kumar(Department of Nanoscience and Technology, Bharathiar University)
  • Yuvaraj Haldorai(Department of Nanoscience and Technology, Bharathiar University)