1. Materials for Energy Conversion and Storage (MECS), Department of Chemical Engineering; Delft University of Technology; P.O. Box 5045 2600 GA Delft The Netherlands
2. State Key Laboratory of Heavy Oil Processing; China University of Petroleum; Qingdao 266580 Shandong P.R. China
3. Department of Chemical Engineering and Chemistry; Eindhoven University of Technology; 5600 MB Eindhoven The Netherlands