1. Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, China
2. Department of Electrical Engineering, City University of Hong Kong, Kowloon, Hong Kong, 999077, China
3. China Research Institute of Petroleum Exploration & Development (RIPED), Petro China Research Center of New Energy, No. 20 Xueyuan Road Haidian District, Beijing, 100083, P. R. China
4. Center for Advanced Nuclear Safety and Sustainable Development, City University of Hong Kong, Kowloon, Hong Kong, 999077, China