1. Department of Mechanical and Aerospace Engineering The Hong Kong University of Science and Technology Clear Water Bay Kowloon Hong Kong China
2. Department of Physics and Astronomy University of California Irvine Irvine CA92697 USA
3. Shenzhen Key Laboratory on Power Battery Safety and Shenzhen Geim Graphene Center Tsinghua Shenzhen International Graduate School Tsinghua University Guangdong 518055 China
4. Department of Chemical and Biological Engineering The Hong Kong University of Science and Technology Clear Water Bay Hong Kong China