Journal
JOURNAL OF POWER SOURCES
Volume 195, Issue 15, Pages 4647-4652Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2010.02.010
Keywords
OH radical; Fluorescence probe; Polymer electrolyte fuel cell; Deterioration; Nafion; Pt dispersion
Funding
- New Energy and Industrial Technology Development Organization (NEDO), Japan
Ask authors/readers for more resources
The formation of OH radicals ((OH)-O-center dot) for polymer electrolyte fuel cell (PEFC) was investigated with a home-made test cell by means of a fluorescence probe method for several kinds of membrane electrode assembly (MEA) consisting of Nation. After 12-h operation under open circuit condition, (OH)-O-center dot was detected at both the anode and the cathode sides but the amount was much larger for the anode side. The formation of (OH)-O-center dot considerably depended on the amount of Pt/C catalyst loaded in the MEA. Dispersion of Pt particles in Nation membranes increased the (OH)-O-center dot formation, but Pt ions did not. Based on the results, the formation mechanism was discussed. (C) 2010 Elsevier B.V. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available