Journal
JOURNAL OF POWER SOURCES
Volume 281, Issue -, Pages 238-242Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2015.02.002
Keywords
UV visible spectroscopy; PEMFC durability; Antioxidant; Accelerated stress test
Funding
- U.S. Department of Energy, Office of Fuel cell Technologies [84722-001-10]
- Natural Sciences and Engineering Research Council of Canada (NSERC)
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A novel method based on UV visible spectroscopy is reported for screening the chemical stability of potential antioxidant additives for proton exchange membrane fuel cells, and the chemical stabilities of three CeOx samples of varying crystallite sizes (6, 13, or 25 nm) are examined. The chemical stabilities predicted by this new screening method are compared to in-situ membrane electrode assembly (MEA) accelerated stress testing, with the results confirming that this rapid and inexpensive method can be used to accurately predict performance impacts of antioxidants. (C) 2015 Elsevier B.V. All rights reserved.
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