1. College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310030, China
2. Materials Science and Engineering Program and Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712, United States
3. Institute of Zhejiang University-Quzhou, Quzhou 324000, China
4. Wanxiang A123 Systems Asia Com., Ltd., Hangzhou 311215, China