1. Key Laboratory of Intelligent Manufacturing Technology (Shantou University), MOE 1 , 243 Daxue Road, Shantou 515063, Guangdong, China
2. College of Engineering, Shantou University 2 , 243 Daxue Road, Shantou 515063, Guangdong, China
3. Energy Conversion Research Center, Doshisha University 4 , Kyoto 630-0321, Japan