3m Innovative Properties Company

Dennis F Van Der Vliet

Andrew J L Steinbach

Amy E Hester

Gregory M Haugen

Andrew T Haug

Radoslav Atanasoski

Jimmy L Wong

Ljiljana L Atanasoska

Andrew M Armstrong

Nanoporous oxygen reduction catalyst material comprising PtNiIr. The nanoporous oxygen reduction catalyst material is useful, for example, in fuel cell membrane electrode assemblies.

Pt—Ni—Ir catalyst for fuel cell

Nanoporous oxygen reduction catalyst material comprising PtNiIr, the catalyst material preferably having the formula PtNiIr, wherein x is in a range from 26.6 to 47.8, y is in a range from 48.7 to 70, and z is in a range from 1 to 11.4. The nanoporous oxygen reduction catalyst material is useful, for example, in fuel cell membrane electrode assemblies.

Pt&#x2014;Ni&#x2014;Ir catalyst for fuel cell

Nanoporous oxygen reduction catalyst material comprising PtNiAu. The nanoporous oxygen reduction catalyst material is useful, for example, in fuel cell membrane electrode assemblies.

Nanoporous oxygen reduction catalyst material

Catalysts comprising nanostructured elements comprising microstructured whiskers having an outer surface at least partially covered by a catalyst material having the formula PtNiAu, wherein x is in a range from 27.3 to 29.9, y is in a range from 63.0 to 70.0, and z is in a range from 0.1 to 9.6. Catalyst described herein are useful, for example, in fuel cell membrane electrode assemblies.

Catalyst

Membrane electrode assembly comprising oxygen evolution reaction catalyst disposed in gas distribution layer () or between gas distribution layer (and gas dispersion layer (). Membrane electrode assemblies described herein are useful, for example, in electrochemical devices such as a fuel cell.

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Lubbock, TX, United States of America

Dennis F Van Der Vliet