Use of a carbon nanocage as a catalyst support in polymer electrolyte membrane
- Use of a carbon nanocage as a catalyst support in polymer electrolyte membrane
- 오형석; 임희은; 김한성
- Carbon nanocage (CNC); Carbon corrosion; Mass spectrometry; PEM fuel cell
- Issue Date
- Electrochemistry communications
- VOL 11, NO 6-1134
- The corrosion-resistance of a carbon nanocage used as a catalyst support in a polymer electrolyte membrane fuel cell was investigated by measuring CO(2) generation using on-line mass spectrometry at a constant potential of 1.4 V for 30 min. Polarization curves of membrane electrode assemblies containing Pt/carbon nanocage were obtained and used to evaluate performance degradation. The carbon nanocage was found to possess significant resistance to electrochemical corrosion, exhibiting low performance degradation of only about 2.3% after the corrosion test. This high corrosion resistance is attributed both to the strong hydrophobic nature of the surface and the graphitic structure of the carbon nanocage.
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