1. Materials Science Division Argonne National Laboratory Argonne IL 60439 USA
2. Joint Center for Energy Storage Research Argonne National Laboratory Argonne IL 60439 USA
3. Department of Materials Science and Engineering University of Michigan Ann Arbor MI 48109 USA
4. Department of Mechanical Engineering University of Michigan Ann Arbor MI 48109 USA
5. Chemical Sciences and Engineering Division Argonne National Laboratory Lemont IL 60439 USA
6. X‐ray Sciences Division Argonne National Laboratory Argonne IL 60439 USA