Cited by 163Supercapacitor Materials and FabricationElectrocatalysts for Energy ConversionGraphene research and applications

Development of High-Performance Supercapacitor based on a Novel Controllable Green Synthesis for 3D Nitrogen Doped Graphene

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Elessawy, Noha A., El Nady, J., Wazeer, W., Kashyout, A. B.·2019·Scientific Reports

Abstract

3D sponge nitrogen doped graphene (NG) was prepared economically from waste polyethylene-terephthalate (PET) bottles mixed with urea at different temperatures using green approach via a novel one-step method. The effect of temperature and the amount of urea on the formation of NG was investigated. Cyclic voltammetry and impedance spectroscopy measurements, revealed that nitrogen fixation, which affects the structure and morphology of prepared materials improve the charge propagation and ion diffusion. The prepared materials show outstanding performance as a supercapacitor electrode material, with the specific capacitance going up to 405 F g −1 at 1 A g −1 . An energy density of 68.1 W h kg −1 and a high maximum power density of 558.5 W kg −1 in 6 M KOH electrolytes were recorded for the optimum sample. The NG samples showed an appropriate cyclic stability with capacitance retention of 87.7% after 5000 cycles at 4 A g −1 with high charge/discharge duration. Thus, the prepared NG herein is considered to be promising, cheap material used in energy storage applications and the method used is cost-effective and environmentally friendly method for mass production of NG in addition to opening up opportunities to process waste materials for a wide range of applications.

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  • Oxygen-limited carbonization of polyethylene terephthalate in an autoclave reactor at 873 K or 1073 K for 5 h produces graphene (Elessawy et al., 2019).

    “| Oxygen-limited | Polyethylene tere- | Autoclave reactor 873 K or 1073 | Graphene | - | Elessawy et al. | |”

    From Conversion of waste plastics into value-added carbon materials (2023) · cites this paper as Elessawy et al. (2019)

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Authors
Elessawy, N. A., El Nady, J., Wazeer, W., & Kashyout, A. B.
Affiliations
City of Scientific Research and Technological Applications (EG)
Corresponding author
Elessawy, Noha A.
Venue
Scientific Reports
Published
2019-02-04
Volume
9
Issue
1
Pages
1129-1129
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2912441635
Cited by
163
References
36
Citations by year
2026: 18 · 2025: 24 · 2024: 18 · 2023: 28 · 2022: 34 · 2021: 13 · 2020: 22 · 2019: 6
FWCI
5.81
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Supercapacitor Materials and Fabrication
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Materials Science › Materials Chemistry › Graphene research and applications
Keywords
nitrogen-doped graphene, supercapacitor electrodes, green synthesis, PET waste, PET bottle recycling, urea, specific capacitance, energy density, cycling stability, waste valorization, energy storage

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