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US 2019/0280309 A1Published application
Pt-ni-ir catalyst for fuel cell
Assignee3M Innovative Properties Company
InventorsAndrew J.L. STEINBACH, Amy E. HESTER, Dennis F. VAN DER VLIET
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Abstract
Nanoporous oxygen reduction catalyst material comprising PtNiIr, the catalyst material preferably having the formula PtxNiyIrz, 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.
Claims16
A nanoporous oxygen reduction catalyst material comprising PtNiIr,
- wherein the PtNiIr material has the formula PtxNiyIrz, and wherein x is in a range from 26.6 to 47.8, v is in a range from 48.7 to 70, and z is in a range from 1 to 11.4, and
- wherein the nanoporous oxygen reduction catalyst material has an exposed iridium surface layer.
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Dependencies are inferred from the claim text.