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Title: Fuel cell cathode catalyst

Abstract

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.

Inventors:
; ; ; ; ;
Publication Date:
Research Org.:
3M Innovative Properties Company
Sponsoring Org.:
USDOE
OSTI Identifier:
1531563
Patent Number(s):
7,419,741
Application Number:
10/674,594
Assignee:
3M Innovative Properties Company (Saint Paul, MN)
DOE Contract Number:  
FC02-99EE50582
Resource Type:
Patent
Resource Relation:
Patent File Date: 2003-09-29
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Vernstrom, George D., Atanasoski, Radoslav, Debe, Mark K., Haugen, Gregory M., Lewinski, Krzysztof A., and Steinbach, Andrew J. L. Fuel cell cathode catalyst. United States: N. p., 2008. Web.
Vernstrom, George D., Atanasoski, Radoslav, Debe, Mark K., Haugen, Gregory M., Lewinski, Krzysztof A., & Steinbach, Andrew J. L. Fuel cell cathode catalyst. United States.
Vernstrom, George D., Atanasoski, Radoslav, Debe, Mark K., Haugen, Gregory M., Lewinski, Krzysztof A., and Steinbach, Andrew J. L. 2008. "Fuel cell cathode catalyst". United States. https://www.osti.gov/servlets/purl/1531563.
@article{osti_1531563,
title = {Fuel cell cathode catalyst},
author = {Vernstrom, George D. and Atanasoski, Radoslav and Debe, Mark K. and Haugen, Gregory M. and Lewinski, Krzysztof A. and Steinbach, Andrew J. L.},
abstractNote = {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.},
doi = {},
url = {https://www.osti.gov/biblio/1531563}, journal = {},
number = ,
volume = ,
place = {United States},
year = {2008},
month = {9}
}

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Works referencing / citing this record:

Carbon monoxide catalyst
patent, October 2010


Preparation of nanostructured thin catalytic layer-based electrode ink
patent, September 2016


Fuel cell water management via reduced anode reactant pressure
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