1. Energy Storage and Distributed Resources Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
2. Department of Material Sciences and Engineering, University of California, Berkeley, California 94720, United States
3. Department of Chemistry, University of California, Berkeley, California 94720, United States
4. Material Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
5. Advanced
Light Source, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720, United States
6. National Synchrotron Radiation Laboratory
and Collaborative Innovation Center of Suzhou Nano Science and Technology, University of Science and Technology of China, Hefei 230029, P. R. China