1. Energy Research Institute@NTU, Interdisciplinary Graduate Programme, Nanyang Technological University, Singapore
2. Energy Research Institute@NTU, Nanyang Technological University, Singapore
3. School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore
4. Department of Electrical and Electronic Engineering, University of Melbourne, Melbourne, Australia
5. Department of Electrical, Electronic and Computer Engineering, University of Western Australia, Crawley, Australia