Zhihua Wang is a Professor at the State Key Laboratory of Clean Energy Utilization of Zhejiang University; Kefa Cen is the Academician of Chinese Academy of Engineering, and the director of Institute for Thermal Power Engineering of Zhejiang University; Junhu Zhou is a Qiushi Scholar Professor at the State Key Laboratory of Clean Energy Utilization of Zhejiang University; Jianren Fan is the Cheung Kong Scholar Professor at the State Key Laboratory of Clean Energy Utilization of Zhejiang University.