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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
The present invention is to provide a method for producing a core-shell catalyst for fuel cells, which is configured to facilitate shell deposition by, in the production of the core-shell catalyst for fuel cells, decreasing an oxidation-reduction potential applied for shell deposition lower than ever before. Disclosed is a method for producing a core-shell catalyst for fuel cells, wherein the method comprises: a first refluxing step of refluxing a mixture A containing a core fine particle-supported carbon, alcohol and water; a mixing step of preparing a mixture B by, after the first refluxing step, mixing the mixture A having a temperature that is lower than that in the first refluxing step with a shell material; and a second refluxing step of refluxing the mixture B.
Adachi, Makoto (Numazu-shi Shizuoka-ken, JP), Ohki, Yasuyuki (Susono-shi Shizuoka-ken, JP), Ogawa, Tetsuya (Mishima-shi Shizuoka-ken, JP), Adzic, Radoslav (East Setauket, NY), Wang, Jia Xu (East Setauket, NY), Zhang, Yu (Center Moriches, NY)
14/ 878,522
October 8, 2015
[0001] This invention was made under CRADA No. BNL-C-11-05 between Toyota Motor Corporation and Brookhaven National Laboratory operated for the United States Department of Energy. This invention was made with Government support under contract number DE-AC02-98CH10886 and DE-SC0012704, awarded by the U.S. Department of Energy. [0002] The Government has certain rights in this invention.