1. School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, P. R. China
2. Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Nanning, Guangxi 530004, P. R. China
3. Guangxi Key Laboratory of Electrochemical Energy Materials, Nanning, Guangxi 530004, P. R. China