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Toward the Theoretical Capacitance of RuO 2 Reinforced by Highly Conductive Nanoporous Gold

Toward the Theoretical Capacitance of RuO 2 Reinforced by Highly Conductive Nanoporous Gold The experimental specific capacitance of ruthenium oxide (RuO2) is usually much smaller than the theoretical value due to low electron–proton transport and high rate dependence. Highly conductive nanoporous gold (NPG) can dramatically improve the capacitive performance of RuO2 when RuO2 is electroplated into NPG. The RuO2@NPG electrodes provide fast ionic conduction and excellent electron–proton transport for low rate dependence and high charge storage of around 1500 F g−1, close to the theoretical value of RuO2. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advanced Energy Materials Wiley

Toward the Theoretical Capacitance of RuO 2 Reinforced by Highly Conductive Nanoporous Gold

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Publisher
Wiley
Copyright
Copyright © 2013 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim
ISSN
1614-6832
eISSN
1614-6840
DOI
10.1002/aenm.201300024
Publisher site
See Article on Publisher Site

Abstract

The experimental specific capacitance of ruthenium oxide (RuO2) is usually much smaller than the theoretical value due to low electron–proton transport and high rate dependence. Highly conductive nanoporous gold (NPG) can dramatically improve the capacitive performance of RuO2 when RuO2 is electroplated into NPG. The RuO2@NPG electrodes provide fast ionic conduction and excellent electron–proton transport for low rate dependence and high charge storage of around 1500 F g−1, close to the theoretical value of RuO2.

Journal

Advanced Energy MaterialsWiley

Published: Jul 1, 2013

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