1. School of Material Science & Engineering, University of Jinan, No. 336, Nanxinzhuangxi Rd., Jinan 250022, PR China
2. Fuels and Energy Technology Institute and Department of Chemical Engineering, Curtin University, Perth WA6845, Australia
3. Chemical Engineering and Technology, Cracow University of Technology, Warszawska 24 St., 31-155 Krakow, Poland