Printable thin film supercapacitors using single-walled carbon nanotubes

Martti Kaempgen, Candace Chan, J. Ma, Yi Cui, George Gruner

Research output: Contribution to journalArticle

1095 Citations (Scopus)

Abstract

Thin film supercapacitors were fabricated using printable materials to make flexible devices on plastic. The active electrodes were made from sprayed networks of single-walled carbon nanotubes (SWCNTs) serving as both electrodes and charge collectors. Using a printable aqueous gel electrolyte as well as an organic liquid electrolyte, the performances of the devices show very high energy and power densities (6 W h/kg for both electrolytes and 23 and 70 kW/kg for aqueous gel electrolyte and organic electrolyte, respectively) which is comparable to performance in other SWCNT-based supercapacitor devices fabricated using different methods. The results underline the potential of printable thin film supercapacitors. The simplified architecture and the sole use of printable materials may lead to a new class of entirely printable charge storage devices allowing for full integration with the emerging field of printed electronics.

Original languageEnglish
Pages (from-to)1872-1876
Number of pages5
JournalNano Letters
Volume9
Issue number5
DOIs
Publication statusPublished - May 13 2009

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electrochemical capacitors
Single-walled carbon nanotubes (SWCN)
Electrolytes
carbon nanotubes
electrolytes
Thin films
thin films
Gels
gels
Electrodes
organic liquids
electrodes
accumulators
radiant flux density
emerging
Electronic equipment
plastics
flux density
Supercapacitor
Plastics

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanical Engineering

Cite this

Printable thin film supercapacitors using single-walled carbon nanotubes. / Kaempgen, Martti; Chan, Candace; Ma, J.; Cui, Yi; Gruner, George.

In: Nano Letters, Vol. 9, No. 5, 13.05.2009, p. 1872-1876.

Research output: Contribution to journalArticle

Kaempgen, Martti ; Chan, Candace ; Ma, J. ; Cui, Yi ; Gruner, George. / Printable thin film supercapacitors using single-walled carbon nanotubes. In: Nano Letters. 2009 ; Vol. 9, No. 5. pp. 1872-1876.
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