1. College of Energy and Electrical Engineerging, Hohai University,Nanjing,China
2. Business School, Hohai University,Nanjing,China
3. Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences,Guangzhou,China
4. Science University of Johannesburg,Department of Mechanical Engineering,Johannesburg,South Africa
5. School of Electrical and Computer Engineering, University of Campinas,Campinas,São Paulo,Brazil