1. Department of Mechanical Engineering University of Connecticut Storrs CT 06269 USA
2. Department of Mechanical Engineering Massachusetts Institute of Technology Cambridge MA 02139 USA
3. Department of Chemical Engineering Massachusetts Institute of Technology Cambridge MA 02139 USA
4. Center for Integrated Mobility Sciences National Renewable Energy Laboratory Golden CO 80401 USA
5. The Electrochemical Innovation Lab Department of Chemical Engineering University College London Torrington Place London WC1E 7JE UK
6. The Faraday Institution Quad One, Becquerel Ave, Harwell Campus Didcot OX11 0RA UK
7. National Physical Laboratory Hampton Road Teddington Middlesex TW11 0LW UK
8. Advanced Manufacturing for Energy Systems University of Connecticut Storrs CT 06269 USA
9. Department of Civil and Industrial Engineering University of Pisa Pisa 56122 Italy
10. Department of Mathematics Massachusetts Institute of Technology Cambridge MA 02139 USA