On-line mass spectrometry study of carbon corrosion in polymer electrolyte membrane fuel cells
- On-line mass spectrometry study of carbon corrosion in polymer electrolyte membrane fuel cells
- 오형석; 오종길; 함승주; Kundu Arunabha; 노범욱; 황인철; 김한성
- Issue Date
- Electrochemistry communications
- VOL 10, NO 7-1051
- 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.
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