Solid waste for energy storage material as electrode of supercapacitors

Zulfiqar Ali, Muhammad Tahir, Chuanbao Cao*, Asif Mahmood, Nasir Mahmood, Faheem K. Butt, M. Tanveer, Imran Shakir, Muhammad Rizwan, Faryal Idrees, Imran Aslam, Ji Jun Zou

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

We propose a novel idea to utilize environment pollutant cigarette ash for energy storage material as electrode of supercapacitors as supercapacitors can deliver high power and reasonable energy densities as compared to batteries which deliver energy as a result of chemical reactions and suffer with low power densities. Keeping in view this advantage and research focus in this field, supercapacitors of cigarette ash were fabricated as energy storage devices. The electrode composed of ash shows specific capacitance of 183.33 F/g at current density of 1 A/g for 1st cycle and 165 F/g for 2000th cycle which indicate its remarkable long-term cyclic stability in Na2SO4 electrolyte.

Original languageEnglish
Pages (from-to)191-195
Number of pages5
JournalMaterials Letters
Volume181
DOIs
Publication statusPublished - 15 Oct 2016

Keywords

  • Carbon ash
  • Energy storage
  • Galvanostatic charge-discharge
  • Super capacitors
  • XPS

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