Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
181247 | Electrochemistry Communications | 2008 | 4 Pages |
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.
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Chemical Engineering (General)
Authors
Hyung-Suk Oh, Jong-Gil Oh, Seungjoo Haam, Kundu Arunabha, Bumwook Roh, Inchul Hwang, Hansung Kim,