1. Institute of Chemical Materials, China Academy of Engineering Physics (CAEP), Mianyang, Sichuan 621900, P. R. China
2. State Key Laboratory of Environment-friendly Energy Materials, Southwest University of Science and Technology, Mianyang, Sichuan 621010, P. R. China
3. School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
4. Science and Technology on Combustion, Internal Flow and Thermo-structure Laboratory, Northwestern Polytechnical University, Xian 710072, P. R. China