Non-platinum bimetallic polymer electrolyte fuel cell catalysts
Abstract
A polymetallic nanoparticle alloy having enhanced catalytic properties including at least one noble metal and at least one base metal, where the noble metal is preferentially dispersed near the surface of the nanoparticle and the base metal modifies the electronic properties of the surface disposed noble metal. The polymetallic nanoparticles having application as a catalyst when dispersed on a carbon substrate and in particular applications in a fuel cell. In various embodiments a bimetallic noble metal-base metal nanoparticle alloy may be used as an electrocatalyst offering enhanced ORR activity compared to the monometallic electrocatalyst of noble metal.
- Inventors:
- Issue Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1531725
- Patent Number(s):
- 8129306
- Application Number:
- 12/361,366
- Assignee:
- UChicago Argonne, LLC (Chicago, IL)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- DOE Contract Number:
- AC02-06CH11357; W-31-109-ENG-38
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2009-01-28
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Myers, Deborah J., Wang, Xiaoping, and Kariuki, Nancy N. Non-platinum bimetallic polymer electrolyte fuel cell catalysts. United States: N. p., 2012.
Web.
Myers, Deborah J., Wang, Xiaoping, & Kariuki, Nancy N. Non-platinum bimetallic polymer electrolyte fuel cell catalysts. United States.
Myers, Deborah J., Wang, Xiaoping, and Kariuki, Nancy N. Tue .
"Non-platinum bimetallic polymer electrolyte fuel cell catalysts". United States. https://www.osti.gov/servlets/purl/1531725.
@article{osti_1531725,
title = {Non-platinum bimetallic polymer electrolyte fuel cell catalysts},
author = {Myers, Deborah J. and Wang, Xiaoping and Kariuki, Nancy N.},
abstractNote = {A polymetallic nanoparticle alloy having enhanced catalytic properties including at least one noble metal and at least one base metal, where the noble metal is preferentially dispersed near the surface of the nanoparticle and the base metal modifies the electronic properties of the surface disposed noble metal. The polymetallic nanoparticles having application as a catalyst when dispersed on a carbon substrate and in particular applications in a fuel cell. In various embodiments a bimetallic noble metal-base metal nanoparticle alloy may be used as an electrocatalyst offering enhanced ORR activity compared to the monometallic electrocatalyst of noble metal.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2012},
month = {3}
}
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- US Patent Document 8,986,514
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- Toops, Todd J.; Parks, II, James E.; Bauer, John Christopher
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