Journal
ACS CATALYSIS
Volume 6, Issue 7, Pages 4630-4634Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.6b01197
Keywords
nanoparticle; intermetallic compound; thermal stability; high temperature fuel cells; carbon resistance
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Funding
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Resource for the Innovation of Engineered Materials (RIEM) program of CanmetMATERIALS, Natural Resources Canada
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We report the development of a novel Co-W bimetallic anode catalyst for solid oxide fuel cells (SOFCs) via a facile infiltration-annealing process. Using various microscopic and spectroscopic measurements, we find that the formed intermetallic nanoparticles are highly thermally stable up to 900 degrees C and show good coking resistance in methane. In particular, a fuel cell fitted with Co3W anode shows comparable activity (relative to Co) in the electro-oxidation of hydrogen and methane at 900 degrees C without suffering significant degradation during a longevity test.
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