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CATALYSTS FOR OXYGEN REDUCTION AND EVOLUTION IN METAL-AIR ELECTROCHEMICAL CELLS

United States Patent Application

20110274989
A1
View the Complete Application at the US Patent & Trademark Office
Lawrence Berkeley National Laboratory - Visit the Technology Transfer and Intellectual Property Management Department Website
Methods and devices for catalyzing reactions, e.g., in a metal-air electrochemical cell, are disclosed. In some instances, a porous positive electrode of the metal-air electrochemical cell includes a metal to catalyze a reaction at the electrode (e.g., oxidation of one or more metal-oxide species). The metal can be disposed as nanoparticles, and/or be combined with a second metal. Other aspects are directed to devices and methods that can generally promote a chemical reaction (e.g., an oxidation/reduction reaction) such as the formation of platinum containing nanoparticles that can be used to catalyze electrochemical reactions.
Lu, Yi-Chun (Danshuei Township, TW), Gasteiger, Hubert A. (Cambridge, MA), Shao-Horn, Yang (Cambridge, MA)
MASSACHUSETTS INSTITUTE OF TECHNOLOGY (Cambridge MA)
13/ 098,653
May 2, 2011
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This invention was made with Government support under Grant No. DE-AC02-05CH11231, awarded by the Department of Energy. The Government has certain rights in this invention.