[1] Shandong Univ Sci & Technol, Sch Mat Sci & Engn, Qingdao 266590, Peoples R China
[2] Shandong Univ Sci & Technol, Shandong Prov Key Lab Mine Mech Engn, Qingdao 266590, Peoples R China
[3] Shandong Univ Sci & Technol, Sch Mech & Elect Engn, Qingdao 266590, Peoples R China
[4] SACCKE Qingdao Energy Syst Co Ltd, Qingdao 266590, Peoples R China