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Research Letters in Nanotechnology
Volume 2009 (2009), Article ID 313962, 5 pages
http://dx.doi.org/10.1155/2009/313962
Research Letter

Processing and Electrochemical Property Characterization of Nanoporous Electrodes for Sustainable Energy Applications

1Department of Mechanical Engineering, Albert Nerken School of Engineering, The Cooper Union for the Advancement of Science and Art, New York, NY 10003, USA
2Department of Mechanical, Industrial and Manufacturing Engineering, College of Engineering, University of Toledo, Toledo, OH 43606, USA

Received 20 May 2009; Accepted 23 June 2009

Academic Editor: Chuan-Jian Zhong

Copyright © 2009 Jenny X. He et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Preparation and electrocatalytic reactions of nanoporous materials in biodegradable fluids were studied. Electrochemical etching was conducted to selectively extract metallic elements from alloys to form porous structures. Electrocatalytic properties of the porous electrodes were characterized. Comparative studies on the electrochemical activities of the nanoporous metallic electrodes with bulk metallic wire catalysts were performed. It is found that the current density at the nanoporous electrode is three times higher than that of the bulk electrode.