1. Shanghai Electrochemical Energy Devices Research Center; School of Chemistry and Chemical Engineering and State Key Laboratory of Metal Matrix Composites; Shanghai Jiao Tong University; Shanghai 200240 P.R. China
2. Global Research & Development; General Motors; Warren MI 48090 USA
3. Shanghai Key Laboratory of Catalysis of Poly Olefin; Shanghai Research Institute of Chemical Industry; Shanghai 200062 P.R. China