Soft-Templated Synthesis of Sheet-Like Nanoporous Nitrogen-Doped Carbons for Electrochemical Supercapacitors

Abeer Enaiet Allah, Yusuke Yamauchi*, Jie Wang, Yoshio Bando, Haibo Tan, Ahmed A. Farghali, Mohamed Hamdy Khedr, Abdulmohsen Alshehri, Yousef Gamaan Alghamdi, Darren Martin, Mohammad A. Wahab, Md Shahriar A. Hossain, Ashok Kumar Nanjundan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Nitrogen-doped nanoporous sheet-like carbons are promising electrode materials for high-performance supercapacitors because of their unique properties that aid electrolyte access/ion diffusion to the electrode surface. Herein, a soft-templated synthesis strategy based on an organic-assembly process through the co-assembly of triblock copolymer micelles and phenol-formaldehyde resin in aqueous solution is utilized to prepare nitrogen-doped nanoporous carbons with sheet-like morphology. Further carbonization and activation yield a high-surface-area carbon with significantly improved porosity. The activated nanoporous carbon electrode exhibits a high specific capacitance of 543 F g −1 at a current density of 0.5 A g −1 with good cycling stability in an aqueous electrolyte.

Original languageEnglish
JournalChemElectroChem
DOIs
Publication statusAccepted/In press - 2019
Externally publishedYes

Keywords

  • chemical activation
  • nitrogen doping
  • soft-template method
  • supercapacitors
  • two-dimensional porous carbon

ASJC Scopus subject areas

  • Catalysis
  • Electrochemistry

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