1. Kenneth S. Pitzer Center for Theoretical Chemistry, Department of Chemistry, University of California, Berkeley, California 94720, USA
2. Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
3. Department of Chemistry and Biochemistry, the Oregon Center for Electrochemistry, University of Oregon, Eugene, Oregon 97403, USA
4. Department of Chemical Engineering, Texas Tech University, Lubbock, TX, 79409, USA
5. Department of Chemical & Biomolecular Engineering, Department of Chemistry, University of California, Berkeley, California 94720, USA,
6. Energy Storage and Distributed Resources Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA