1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China;
2. China Automotive Technology and Research Center Co., Ltd. (CATARC), Tianjin 300300, China
3. China Automotive Technology and Research Center Co., Ltd. (CATARC), Tianjin 300300, China;
4. Key Laboratory of Evaluation Technology for Electric Vehicles, Tianjin 300300, China