1. Joint Center for Energy Storage Research 9700 S. Cass Avenue Argonne, Illinois 60439 USA
2. Department of Chemistry University of Michigan 930 North University Avenue Ann Arbor, Michigan 48109 USA
3. Institute of Chemical Research of Catalonia (ICIQ) The Barcelona Institute of Science and Technology Av. Països Catalans 16 43007 Tarragona Spain
4. Department of Chemistry University of Utah 315 South 1400 East Salt Lake City, Utah 84112 USA
5. Macromolecular Science and Engineering Program University of Michigan Ann Arbor, Michigan 48109 USA