Oxygen evolution catalyst, production and use of same, membrane electrode arrangement and fuel cell or electrolytic cell
AssigneesGreenerity GmbH, Technische Universität München
InventorsMohammad Fathi Tovini, Hany Elsayed, Ana Marija Damjanovic, Hubert Gasteiger, Jozsef Speder, Alessandro Ghielmi, Jens-Peter Suchsland
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Abstract
An oxygen evolution reaction catalyst includes iridium oxide that exhibits a weight loss of less than 1% by weight upon exposure of the oxygen evolution reaction catalyst to a 3.3 vol % hydrogen stream in argon at a temperature of 80° C. for 12 hours and has a BET specific surface area of more than 15 m2/g.
Claims11
An oxygen evolution reaction catalyst comprising iridium oxide that exhibits a weight loss of less than 1% by weight upon exposure of the oxygen evolution reaction catalyst to a 3.3 vol % hydrogen stream in argon at a temperature of 80° C. for 12 hours and has a BET specific surface area of more than 15 m2/g, wherein the BET specific surface area refers to the iridium oxide included in the oxygen evolution reaction catalyst and is given in m2Iridiumoxid/gIridiumoxid.
An anode for a fuel cell comprising an oxygen evolution reaction catalyst, wherein the oxygen evolution reaction catalyst comprises iridium oxide and exhibits a weight loss of less than 1% by weight upon exposure of the oxygen evolution reaction catalyst to a 3.3 vol % hydrogen stream in argon at a temperature of 80° C. for 12 hours.
Dependencies are inferred from the claim text.