1. Institute of Advanced Manufacturing and Modern Equipment Technology, School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China
2. Institute for Energy Research, Jiangsu University, Zhenjiang 212013, China
3. State Key Laboratory of High-efficiency Coal Utilization and Green Chemical Engineering, and Ningxia Key Laboratory of Photovoltaic Materials, Ningxia University, Yinchuan, Ningxia 750021, China