1. Energy Research Institute @ NTU ERI@N Interdisciplinary Graduate School Nanyang Technological University 50 Nanyang Drive Singapore 637553 Singapore
2. School of Chemical and Biomedical Engineering Nanyang Technological University 62 Nanyang Drive Singapore 637459 Singapore
3. College of Energy, Soochow Institute for Energy and Materials Innovations, and Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province Soochow University Suzhou 215006 China
4. School of Materials Science and Engineering Nanyang Technological University 50 Nanyang Ave Singapore 639798 Singapore
5. Synchrotron Light Research Institute Nakhon Ratchasima 30000 Thailand
6. National University of Singapore 14 Medical Drive Singapore 117599 Singapore
7. School of GeoSciences Biochar Research Centre University of Edinburgh Edinburgh EH9 3FF UK