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Electrochemical Synthesis of Elongated Noble Metal Nanoparticles, such as Nanowires and Nanorods, on High-Surface Area Carbon Supports

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Brookhaven National Laboratory - Visit the Office of Technology Commercialization and Partnerships Website
Elongated noble-metal nanoparticles and methods for their manufacture are disclosed. The method involves the formation of a plurality of elongated noble-metal nanoparticles by electrochemical deposition of the noble metal on a high surface area carbon support, such as carbon nanoparticles. Prior to electrochemical deposition, the carbon support may be functionalized by oxidation, thus making the manufacturing process simple and cost-effective. The generated elongated nanoparticles are covalently bound to the carbon support and can be used directly in electrocatalysis. The process provides elongated noble-metal nanoparticles with high catalytic activities and improved durability in combination with high catalyst utilization since the nanoparticles are deposited and covalently bound to the carbon support in their final position and will not change in forming an electrode assembly.
Adzic, Radoslav (East Setauket, NY), Bliznakov, Stoyan (South Setauket, NY), Vukmirovic, Miomir (Port Jefferson Station, NY)
14/ 755,624
June 30, 2015
STATEMENT OF GOVERNMENT RIGHTS [0002] The present invention was made with government support under contract number DE-AC02-98CH10886 awarded by the U.S. Department of Energy. The United States government has certain rights in the invention.