1. Unit 3060, Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269-3060, United States
2. Ensign Bickford Aerospace and Defense Company, 640 Hopmeadow Street, P.O. Box 429 Simsbury, Connecticut 06070-042
3. Connecticut Global Fuel Cell Center, University of Connecticut, 44 Weaver Road, Unit 5233, Storrs, Connecticut 06269-5233, United States
4. Department of Chemical Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
5. Institute of Materials Science, University of Connecticut, Storrs, Connecticut 06269, United States