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Ultrahigh volumetric capacitance and cyclic stability of fluorine and nitrogen co-doped carbon microspheres

Author

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  • Junshuang Zhou

    (Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University)

  • Jie Lian

    (Aerospace, and Nuclear Engineering, Rensselaer Polytechnic Institute)

  • Li Hou

    (Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University)

  • Junchuan Zhang

    (Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University)

  • Huiyang Gou

    (Geophysical Laboratory, Carnegie Institution of Washington)

  • Meirong Xia

    (Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University)

  • Yufeng Zhao

    (Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University)

  • Timothy A. Strobel

    (Geophysical Laboratory, Carnegie Institution of Washington)

  • Lu Tao

    (Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University)

  • Faming Gao

    (Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University)

Abstract

Highly porous nanostructures with large surface areas are typically employed for electrical double-layer capacitors to improve gravimetric energy storage capacity; however, high surface area carbon-based electrodes result in poor volumetric capacitance because of the low packing density of porous materials. Here, we demonstrate ultrahigh volumetric capacitance of 521 F cm−3 in aqueous electrolytes for non-porous carbon microsphere electrodes co-doped with fluorine and nitrogen synthesized by low-temperature solvothermal route, rivaling expensive RuO2 or MnO2 pseudo-capacitors. The new electrodes also exhibit excellent cyclic stability without capacitance loss after 10,000 cycles in both acidic and basic electrolytes at a high charge current of 5 A g−1. This work provides a new approach for designing high-performance electrodes with exceptional volumetric capacitance with high mass loadings and charge rates for long-lived electrochemical energy storage systems.

Suggested Citation

  • Junshuang Zhou & Jie Lian & Li Hou & Junchuan Zhang & Huiyang Gou & Meirong Xia & Yufeng Zhao & Timothy A. Strobel & Lu Tao & Faming Gao, 2015. "Ultrahigh volumetric capacitance and cyclic stability of fluorine and nitrogen co-doped carbon microspheres," Nature Communications, Nature, vol. 6(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms9503
    DOI: 10.1038/ncomms9503
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    Cited by:

    1. Hyeonwoo Kim & Suwon Hwang & Taeseung Hwang & Jung Bin In & Junyeob Yeo, 2021. "Digitally Patterned Mesoporous Carbon Nanostructures of Colorless Polyimide for Transparent and Flexible Micro-Supercapacitor," Energies, MDPI, vol. 14(9), pages 1-11, April.
    2. Nivekthiren Dasdevan & Muhammad Amirul Aizat Mohd Abdah & Yusran Sulaiman, 2019. "Facile Electrodeposition of Poly(3,4-ethylenedioxythiophene) on Poly(vinyl alcohol) Nanofibers as the Positive Electrode for High-Performance Asymmetric Supercapacitor," Energies, MDPI, vol. 12(17), pages 1-13, September.

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