1. Professor, College of Materials and Energy, South China Agricultural Univ., Guangzhou 510642, PR China; Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510642, PR China.
2. Professor, Institute of Biomass Engineering, Guangdong Engineering Technology Research Center of Agricultural and Forestry Biomass, Key Laboratory of Energy Plants Resource and Utilization, Ministry of Agriculture and Rural Affairs, South China Agricultural Univ., Guangzhou 510642, PR China (corresponding author).
3. Professor, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510642, PR China.
4. Professor, MaREI Centre, Environmental Research Institute, University College Cork, Cork, Ireland.
5. Professor, College of Materials and Energy, South China Agricultural Univ., Guangzhou 510642, PR China.
6. Professor, Institute of Biomass Engineering, Guangdong Engineering Technology Research Center of Agricultural and Forestry Biomass, Key Laboratory of Energy Plants Resource and Utilization, Ministry of Agriculture and Rural Affairs, South China Agricultural Univ., Guangzhou 510642, PR China.