A comparison of operating strategies to reduce DMFC degradation
Article first published online: 1 OCT 2013
Copyright © 2013 John Wiley & Sons, Ltd.
International Journal of Energy Research
Volume 38, Issue 1, pages 117–124, January 2014
How to Cite
Bresciani, F., Casalegno, A., Bonde, J. L., Odgaard, M. and Marchesi, R. (2014), A comparison of operating strategies to reduce DMFC degradation. Int. J. Energy Res., 38: 117–124. doi: 10.1002/er.3115
- Issue published online: 10 DEC 2013
- Article first published online: 1 OCT 2013
- Manuscript Accepted: 16 AUG 2013
- Manuscript Revised: 26 JUL 2013
- Manuscript Received: 27 MAY 2013
- fuel cell;
- operating strategies
Degradation is one of the most critical issues that hinder the commercialization of fuel cells. The experimental investigations of direct methanol fuel cell degradation are complicated by the presence of a temporary contribution that can be recovered adopting suitable operating strategies. In the present work, a methodology to distinguish temporary and permanent degradation is proposed. The capability of different operating strategies to mitigate temporary degradation is evaluated. A strategy, consisting in refresh cycles involving open circuit voltage and cathode air interruption, able to minimize temporary degradation and reduce permanent degradation, is identified and compared with steady-state operation. Copyright © 2013 John Wiley & Sons, Ltd.