1. Key Laboratory of Carbon Materials, Institute of Coal Chemistry, Chinese Academy of Science, Taiyuan, Shanxi 030001, People’s Republic of China
2. School of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang, Hebei 050018, People’s Republic of China
3. School of Chemical Engineering, Tianjin University, Tianjin 300072, People’s Republic of China