Comprehensive Studies of Spatial PEMFC Performance Under CH3 Br Poisoning of Cathode
Abstract
Air is the most practical and economic oxidant for fuel cell operation, so any impurities in the air will be a significant concern for performance and durability of proton exchange membrane fuel cells (PEMFCs). Exposure of the cathode to airborne contaminants was found to cause serious performance loss and degradation in many cases (1). Seven compounds were chosen for a detailed investigation from the inventory of 260 possible air pollutants suggested by Environmental Protection Agency (2, 3). CH3Br was selected for further studies as a potential air pollutant due to its natural and anthropogenic origin. The application of CH3Br as an agricultural pesticide has been reduced from 2005 since it is an ozone-depleting compound, however, CH3Br has a major natural emission source from oceans (4). The work focuses on comprehensive analysis of localized long-term PEMFC performance exposed to 5 ppm CH3Br for improving adaptability and durability and understanding the poisoning mechanism.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Sep 01, 2016
- Source ID
- 10.1149/ma2016-02/38/2701
Entities
People
- Jean St-pierre
- Kateryna Artyushkova
- Tatyana V. Reshetenko