Flexible three-dimensional nanoporous metal-based energy devices

Yang Yang, Gedeng Ruan, Changsheng Xiang, Gunuk Wang, James M. Tour

Research output: Contribution to journalArticle

82 Citations (Scopus)

Abstract

A flexible three-dimensional (3-D) nanoporous NiF 2 -dominant layer on poly(ethylene terephthalate) has been developed. The nanoporous layer itself can be freestanding without adding any supporting carbon materials or conducting polymers. By assembling the nanoporous layer into two-electrode symmetric devices, the inorganic material delivers battery-like thin-film supercapacitive performance with a maximum capacitance of 66 mF cm -2 (733 F cm -3 or 358 F g -1 ), energy density of 384 Wh kg -1 , and power density of 112 kW kg -1 . Flexibility and cyclability tests show that the nanoporous layer maintains its high performance under long-term cycling and different bending conditions. The fabrication of the 3-D nanoporous NiF 2 flexible electrode could be easily scaled.

Original languageEnglish
Pages (from-to)6187-6190
Number of pages4
JournalJournal of the American Chemical Society
Volume136
Issue number17
DOIs
Publication statusPublished - 2014 Apr 30
Externally publishedYes

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Electrodes
Metals
Equipment and Supplies
Polyethylene Terephthalates
Conducting polymers
Polyethylene terephthalates
Polymers
Capacitance
Carbon
Fabrication
Thin films

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

Cite this

Flexible three-dimensional nanoporous metal-based energy devices. / Yang, Yang; Ruan, Gedeng; Xiang, Changsheng; Wang, Gunuk; Tour, James M.

In: Journal of the American Chemical Society, Vol. 136, No. 17, 30.04.2014, p. 6187-6190.

Research output: Contribution to journalArticle

Yang, Yang ; Ruan, Gedeng ; Xiang, Changsheng ; Wang, Gunuk ; Tour, James M. / Flexible three-dimensional nanoporous metal-based energy devices. In: Journal of the American Chemical Society. 2014 ; Vol. 136, No. 17. pp. 6187-6190.
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