1. Energy Research Institute @ NTU (ERI@N); Nanyang Technological University; Singapore 637553 Singapore
2. CSIR-Central Electrochemical Research Institute; Karaikudi 630 006 Tamilnadu India
3. Residues and Resource Reclamation Centre (R3C); Nanyang Environment and Water Research Institute (NEWRI); Nanyang Technological University, CleanTech One; Singapore 637141 Singapore
4. School of Civil and Environmental Engineering; Nanyang Technological University; 50 Nanyang Avenue Singapore 639798 Singapore
5. School of Materials Science and Engineering; Nanyang Technological University; Singapore 639798 Singapore