1. National Renewable Energy Laboratory, 15013 Denver West Parkway, Golden, Colorado 80401, United States
2. ESRF, The European Synchrotron, 71 Avenue des Martyrs, 38000 Grenoble, France
3. Finden Limited, Merchant House, 5 East Saint Helens Street, Abingdon, OX14 5EG United Kingdom
4. Electrochemical Innovation Laboratory, Department of Chemical Engineering, University College London, London, WC1E 7JE United Kingdom
5. The Faraday Institution, Quad One, Harwell Science and Innovation Campus, Didcot, OX11 0RA United Kingdom
6. Department of Chemistry, 20 Gordon Street, University College London, London, WC1H 0AJ United Kingdom
7. Research Complex at Harwell, Harwell Science and Innovation Campus, Rutherford Appleton Laboratories, Harwell, Didcot, Oxon, OX11 0FA United Kingdom