1. State Key Laboratory of Engines, Tianjin University, 135 Yaguan Road, Jinnan District, Tianjin 300350, China
2. Energy Systems Division, Argonne National Laboratory, 9700 South Cass Avenue, Lemont, IL 60439
3. Energy and Transportation Science Division, Oak Ridge National Laboratory, 2360 Cherahala Boulevard, Knoxville, TN 37932
4. Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, CA 94550