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Metal-organic framework derived zirconium oxide/carbon composite as an improved supercapacitor electrode

Author

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  • Shrivastav, Vishal
  • Sundriyal, Shashank
  • Tiwari, Umesh K.
  • Kim, Ki-Hyun
  • Deep, Akash

Abstract

The pyrolysis of metal-organic frameworks (MOFs) is an effective strategy for the synthesis of novel nanoporous structures for energy storage applications. In this work, the preparation of a zirconium oxide/carbon (ZrO2/C) nanocomposite via the pyrolysis of UiO-66 (a zirconium-based MOF) is reported for the first time. These MOF-derived metal oxide/carbon (ZrO2/C) materials have a great advantage in the case of supercapacitor applications over other MOFs or their derivatives as they do not need any external conductive agent. The ZrO2/C electrode exhibits an excellent electrochemical performance, delivering a specific capacitance of 241.5 F/g at 1 A/g current density. A 2 V symmetrical supercapacitor device is also prepared by employing a solid-state polymer gel electrolyte. The assembled device of ZrO2/C electrode has delivered a high energy density of around 29 Wh/kg (at a high power density of 1.5 kW/kg) while retaining almost 97% of the specific capacitance even after 2000 continuous charge/discharge cycles.

Suggested Citation

  • Shrivastav, Vishal & Sundriyal, Shashank & Tiwari, Umesh K. & Kim, Ki-Hyun & Deep, Akash, 2021. "Metal-organic framework derived zirconium oxide/carbon composite as an improved supercapacitor electrode," Energy, Elsevier, vol. 235(C).
    • Handle: RePEc:eee:energy:v:235:y:2021:i:c:s0360544221015991
    DOI: 10.1016/j.energy.2021.121351
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    Cited by:

    1. Ponce, M. Federico & Mamani, Arminda & Jerez, Florencia & Castilla, Josué & Ramos, Pamela B. & Acosta, Gerardo G. & Sardella, M. Fabiana & Bavio, Marcela A., 2022. "Activated carbon from olive tree pruning residue for symmetric solid-state supercapacitor," Energy, Elsevier, vol. 260(C).
    2. Sun, Bingkang & Zhang, Xiaoyun & Fan, Xing & Wang, Ruiyu & Bai, Hongcun & Wei, Xianyong, 2022. "Interface modification based on MnO2@N-doped activated carbon composites for flexible solid-state asymmetric supercapacitors," Energy, Elsevier, vol. 249(C).

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