Loading patent…
AssigneesSymyx Technologies, Inc., Honda Giken Kogyo Kabushiki Kaisha
InventorsKeith James Cendak, Jennifer N. Cendak, Peter Strasser, Alexander Gorer, Martin Devenney, Ting He, Hiroyuki Oyanagi, Qun Fan, Konstantinos Chondroudis, Daniel M. Giaquinta, Kenta Urata, Kazuhiko Iwasaki, Hiroichi Fukuda
Estimating the term…
The present invention is directed to a composition for use as a catalyst in, for example, a fuel cell, the composition comprising platinum, nickel, and iron, wherein (i) the concentration of platinum is greater than 50 atomic percent, the concentration of nickel is less than 15 atomic percent and/or the concentration of iron is greater than 30 atomic percent, or (ii) the concentration of platinum is greater than 70 atomic percent and less than about 90 atomic percent. The present invention is further directed to a process for preparing such a catalyst composition from a catalyst precursor composition comprising platinum, nickel, and iron, wherein the concentration of platinum therein is less than 50 atomic percent.
A composition comprising platinum, nickel and iron, wherein (i) the concentration of platinum is greater than 50 atomic percent, and (ii) the concentration of nickel is less than 15 atomic percent.
A composition comprising platinum, nickel and iron, wherein (i) the concentration of platinum is greater than 50 atomic percent, and (ii) the concentration of iron is greater than 30 atomic percent.
A composition comprising platinum, nickel and iron, wherein the concentration of platinum is greater than 70 atomic percent and less than about 90 atomic percent.
15-16. (canceled)
(canceled)
20-22. (canceled)
24-83. (canceled)
Dependencies are inferred from the claim text.