Three-dimensional nanoporous gold for electrochemical supercapacitors

X. Y. Lang; H. T. Yuan; Y. Iwasa; M. W. Chen

doi:10.1016/j.scriptamat.2011.01.038

Three-dimensional nanoporous gold for electrochemical supercapacitors

X. Y. Lang, H. T. Yuan, Y. Iwasa, M. W. Chen

Research output: Contribution to journal › Article › peer-review

101 Citations (Scopus)

Abstract

We report the capacitive performances of an electrochemical supercapacitor with three-dimensional nanoporous gold (NPG) as both current collectors and electrodes. The bicontinuous NPG with a large internal surface and high conductivity shows promising capacitive properties in both a conventional aqueous electrolyte and a green ionic liquid electrolyte. In comparison with the performance in the aqueous electrolyte, the NPG-based supercapacitor in the ionic liquid electrolyte shows higher energy density because of the high operation voltage arising from the low ionic mobility of the room-temperature ionic liquid.

Original language	English
Pages (from-to)	923-926
Number of pages	4
Journal	Scripta Materialia
Volume	64
Issue number	9
DOIs	https://doi.org/10.1016/j.scriptamat.2011.01.038
Publication status	Published - 2011 May

Keywords

Double-layer capacitor
Electrochemical capacitor
Energy storage
Nanoporous gold

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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10.1016/j.scriptamat.2011.01.038

Cite this

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title = "Three-dimensional nanoporous gold for electrochemical supercapacitors",

abstract = "We report the capacitive performances of an electrochemical supercapacitor with three-dimensional nanoporous gold (NPG) as both current collectors and electrodes. The bicontinuous NPG with a large internal surface and high conductivity shows promising capacitive properties in both a conventional aqueous electrolyte and a green ionic liquid electrolyte. In comparison with the performance in the aqueous electrolyte, the NPG-based supercapacitor in the ionic liquid electrolyte shows higher energy density because of the high operation voltage arising from the low ionic mobility of the room-temperature ionic liquid.",

keywords = "Double-layer capacitor, Electrochemical capacitor, Energy storage, Nanoporous gold",

author = "Lang, {X. Y.} and Yuan, {H. T.} and Y. Iwasa and Chen, {M. W.}",

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language = "English",

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T1 - Three-dimensional nanoporous gold for electrochemical supercapacitors

AU - Lang, X. Y.

AU - Yuan, H. T.

AU - Iwasa, Y.

AU - Chen, M. W.

N1 - Funding Information: This work was sponsored by “Global COE for Materials Research and Education” and “World Premier International (WPI) Research Center Initiative for Atoms, Molecules and Materials” , the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan .

PY - 2011/5

Y1 - 2011/5

N2 - We report the capacitive performances of an electrochemical supercapacitor with three-dimensional nanoporous gold (NPG) as both current collectors and electrodes. The bicontinuous NPG with a large internal surface and high conductivity shows promising capacitive properties in both a conventional aqueous electrolyte and a green ionic liquid electrolyte. In comparison with the performance in the aqueous electrolyte, the NPG-based supercapacitor in the ionic liquid electrolyte shows higher energy density because of the high operation voltage arising from the low ionic mobility of the room-temperature ionic liquid.

AB - We report the capacitive performances of an electrochemical supercapacitor with three-dimensional nanoporous gold (NPG) as both current collectors and electrodes. The bicontinuous NPG with a large internal surface and high conductivity shows promising capacitive properties in both a conventional aqueous electrolyte and a green ionic liquid electrolyte. In comparison with the performance in the aqueous electrolyte, the NPG-based supercapacitor in the ionic liquid electrolyte shows higher energy density because of the high operation voltage arising from the low ionic mobility of the room-temperature ionic liquid.

KW - Double-layer capacitor

KW - Electrochemical capacitor

KW - Energy storage

KW - Nanoporous gold

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JO - Scripta Materialia

JF - Scripta Materialia

SN - 1359-6462

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Three-dimensional nanoporous gold for electrochemical supercapacitors

Abstract

Keywords

ASJC Scopus subject areas

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