On-line mass spectrometry study of carbon corrosion in polymer electrolyte membrane fuel cells

Title
On-line mass spectrometry study of carbon corrosion in polymer electrolyte membrane fuel cells
Authors
오형석오종길함승주Kundu Arunabha노범욱황인철김한성
Issue Date
2008-07
Publisher
Electrochemistry communications
Citation
VOL 10, NO 7-1051
Abstract
The electrochemical corrosion of carbon catalyst supports in polymer electrolyte membrane (PEM) fuel cells is investigated by monitoring the generation of CO2 using an on-line mass spectrometer at a constant potential of 1.4 V. Our results suggest that carbon supports with a high degree of graphitization are more corrosion-resistant, which results in a dramatic improvement of the catalyst durability. We also show that CO2 measurements performed using on-line mass spectrometry represent a time-effective and reliable method for studying the electrochemical corrosion of carbon supports in PEM fuel cells.
URI
http://pubs.kist.re.kr/handle/201004/67029
ISSN
1388-2481
Appears in Collections:
KIST Publication > Article
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