Facile fabrication of supercapacitors with high rate capability using graphene/nickel foam electrode

Zhang, Jizhen, Yang, Wenrong and Liu, J 2016, Facile fabrication of supercapacitors with high rate capability using graphene/nickel foam electrode, Electrochimica acta, vol. 209, pp. 85-94, doi: 10.1016/j.electacta.2016.05.071.

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Title Facile fabrication of supercapacitors with high rate capability using graphene/nickel foam electrode
Author(s) Zhang, Jizhen
Yang, WenrongORCID iD for Yang, Wenrong orcid.org/0000-0001-8815-1951
Liu, J
Journal name Electrochimica acta
Volume number 209
Start page 85
End page 94
Total pages 10
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2016-08-10
ISSN 0013-4686
1873-3859
Keyword(s) flame-induced reduction
graphene
nickel foam
supercapacitor
Summary High-performance reduced graphene oxide/nickel foam (rGO/NF) composite electrodes for high-performance supercapacitors were prepared by flame-induced reduction of dry graphene oxide (GO) coated on nickel foam. Flame reduction of GO is a facile, feasible and cost-effective reduction technique, which is conducted without the need of any reductant. Most importantly, the rGO obtained by flame reduction showed a typical disordered cross-linking network and randomly distributed pores, which provide accessible routes for fast transportation of ions. It was demonstrated that the rGO/NF electrode with embedded current collector (NF) exhibited better electrochemical performance than conventional rGO film counterparts, including a high gravimetric specific capacitance of 228.6 F g-1 at a current density of 1 A g-1, excellent rate capability (over 81% retention at 32 A g-1) and high cycling stability with only 5.3% capacitance decay over 10,000 cycles of cyclic voltammetry at a ultrahigh scan rate of 1000 mV s-1. This facile method for the fabrication of rGO/NF electrodes could envision enormous potential for high performance energy storage devices.
Language eng
DOI 10.1016/j.electacta.2016.05.071
Field of Research 030102 Electroanalytical Chemistry
090607 Power and Energy Systems Engineering (excl Renewable Power)
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30085357

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