Fuel cell cathode catalyst

Vernstrom, George D.; Atanasoski, Radoslav; Debe, Mark K.; Haugen, Gregory M.; Lewinski, Krzysztof A.; Steinbach, Andrew J. L.

Title: Fuel cell cathode catalyst

Patent · Tue Sep 02 00:00:00 EDT 2008

OSTI ID:1531563

Vernstrom, George D.; Atanasoski, Radoslav; Debe, Mark K.; Haugen, Gregory M.; Lewinski, Krzysztof A.; Steinbach, Andrew J. L.

A fuel cell cathode catalyst is provided which comprises nanostructured elements comprising microstructured support whiskers bearing nanoscopic catalyst particles. The nanoscopic catalyst particles are made by the alternating application of first and second layers, the first layer comprising platinum and the second layer being an alloy or intimate mixture of iron and a second metal selected from the group consisting of Group VIb metals, Group VIIb metals and Group VIIIb metals other than platinum and iron, where the atomic ratio of iron to the second metal in the second layer is between 0 and 10, where the planar equivalent thickness ratio of the first layer to the second layer is between 0.3 and 5, and wherein the average bilayer planar equivalent thickness of the first and second layers is less than 100 Å.

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Research Organization:: 3M Innovative Properties Company

Sponsoring Organization:: USDOE

DOE Contract Number:: FC02-99EE50582

Assignee:: 3M Innovative Properties Company (Saint Paul, MN)

Patent Number(s):: 7,419,741

Application Number:: 10/674,594

OSTI ID:: 1531563

Resource Relation:: Patent File Date: 2003-09-29

Country of Publication:: United States

Language:: English

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Low cost fuel cell diffusion layer configured for optimized anode water management Owejan, Jon P.; Nicotera, Paul D.; Mench, Matthew M. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8518596 US Patent Document 8,518,596	patent	August 2013
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