1. Zhejiang A&F University, College of Opto-Electro-Mechanical Engineering, Hangzhou, 311300, P. R. China
2. State Key Lab of Energy Systems, International Joint Laboratory on Low Carbon Clean Energy Innovation, Department of Energy and Power Engineering, Tsinghua University, Beijing, 100084, P. R. China
3. Energy and Tsinghua-Rio Tinto Joint Research Center for Resources Energy and Sustainable Development, Tsinghua University, Beijing, 100084, P. R. China