Solid-state supercapacitor based on activated carbon cloths exhibits excellent rate capability

Gongming Wang, Hanyu Wang, Xihong Lu, Yichuan Ling, Minghao Yu, Teng Zhai, Yexiang Tong, Yat Li

Research output: Contribution to journalArticlepeer-review

683 Scopus citations

Abstract

Activated carbon cloth is used as an electrode, achieving an excellent areal capacitance of 88 mF/cm2 (8.8 mF/g) without the use of any other capacitive materials. Significantly, when it is incorporated as part of a symmetric solid-state supercapacitor device, a remarkable charge/discharge rate capability is observed; 50% of the capacitance is retained when the charging rate increases from 10 to 10 000 mV/s.

Original languageEnglish
Pages (from-to)2676-2682
Number of pages7
JournalAdvanced Materials
Volume26
Issue number17
DOIs
StatePublished - May 7 2014
Externally publishedYes

Keywords

  • activated-carbon cloth
  • energy storage
  • rate capability
  • solid-state supercapacitors
  • ultrafast charging

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