1. College of Electronic and Information Engineering, Shandong University of Science and Technology, Qingdao 266590, Shandong, China
2. College of Electrical Engineering and Automation, Shandong University of Science and Technology, Qingdao 266590, Shandong, China
3. College of Energy Storage Technology, Shandong University of Science and Technology, Qingdao 266590, Shandong, China
4. Institute of New Energy on Chemical Storage and Power Sources, College of Applied Chemistry and Environmental Engineering, Yancheng Teachers University, Yancheng 224000, China
5. College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science & Technology, Qingdao 266061, China