1. Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
2. Joint Center for Energy Storage Research, Argonne National Laboratory, Lemont, Illinois 60439, United States
3. Material Science Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
4. Department of Physics, University of Illinois at Chicago, Chicago, Illinois 60607, United States
5. Department of Chemistry, University of Illinois at Chicago, Chicago, Illinois 60607, United States
6. X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, Lemont, Illinois 60439, United States