1. Chemical & Materials Systems Laboratory, General Motors Global R&D Center, Warren, Michigan 48090, United States
2. Optimal CAE Inc., Plymouth, Michigan 48170, United States
3. Environmental
Energy Technologies Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
4. Engineering
Operations,
GM Global Powertrain, Warren, Michigan 48090, United States
5. Materials
Science and Engineering Program, The University of Texas at Austin, Austin, Texas 78712, United States