1. College of Mechanical and Electrical Engineering Qingdao University Qingdao China
2. Engineering Technology Center of Power Integration and Energy Storage System Qingdao University Qingdao China
3. National and Local Joint Engineering Technology Center for Intelligent Power Integration Technology for Electric Vehicles (Qingdao) Qingdao China
4. Energy Storage Business Department CRRC Qingdao Sifang Rolling Stock Research Institute Co. Ltd. Qingdao China