1. State Key Laboratory of Pollution Control and Resource Reuse, International Joint Research Center for Sustainable Urban Water System, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, P.R. China
2. Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, P.R. China
3. Electrochemical Energy Laboratory, Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur 603203, India