1. Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 501640, China
2. CAS Key Laboratory of Renewable Energy, Guangzhou 501640, China
3. Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 501640, China
4. University of Chinese Academy of Sciences, Beijing 10049, China
5. Collaborative Innovation Centre of Biomass Energy, Zhengzhou 450002, China