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Intermetallic nanoparticles

United States Patent

November 17, 2015
View the Complete Patent at the US Patent & Trademark Office
A process for preparing intermetallic nanoparticles of two or more metals is provided. In particular, the process includes the steps: a) dispersing nanoparticles of a first metal in a solvent to prepare a first metal solution, b) forming a reaction mixture with the first metal solution and a reducing agent, c) heating the reaction mixture to a reaction temperature; and d) adding a second metal solution containing a salt of a second metal to the reaction mixture. During this process, intermetallic nanoparticles, which contain a compound with the first and second metals are formed. The intermetallic nanoparticles with uniform size and a narrow size distribution is also provided. An electrochemical device such as a battery with the intermetallic nanoparticles is also provided.
Singh; Dileep (Naperville, IL), Yusufoglu; Yusuf (Gebze, TR), Timofeeva; Elena (Chicago, IL), Routbort; Jules L. (Willowbrook, IL)
UChicago Argonne, LLC (Chicago, IL)
14/ 741,300
June 16, 2015
GOVERNMENT INTERESTS This invention was made with Government support under Contract No. DE-AC02-06CH11357 awarded by the Department of Energy. The Government has certain rights in this invention.