1. Department
of Chemistry and Chemical Engineering, Heze University, Heze 274000, People’s Republic of China
2. School
of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, People’s Republic of China
3. State
Key Laboratory of Coal Conversion, Institute of Coal Chemistry (ICC), Chinese Academy of Sciences (CAS), Taiyuan 030001, People’s Republic of China