1. Materials Chemical and Computational Science Directorate, National Renewable Energy Laboratory, Golden, Colorado 80401, United States
2. Materials and Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
3. Department of Materials Science and Engineering, University of California Berkeley, Berkeley, California 94720, United States
4. Energy Storage and Distributed Resources Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
5. Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
6. Division of Engineering and Applied Science, California Institute of Technology, Pasadena, California 91125, United States
7. Department of Physics, University of California Berkeley, Berkeley, California 94720, United States
8. Kavli Energy Nanosciences Institute at Berkeley, Berkeley, California 94720, United States
9. Department of Physics, Colorado School of Mines, Golden, Colorado 80401, United States