Dr. Lei Xingfeng, is an associate professor and master tutor of Northwestern Polytechnical University. In December 2016, he received his Ph. D. in Engineering from Northwestern Polytechnical University. From 2016 to 2018, he engaged in scientific research as a senior visiting scholar in University of Colorado Boulder and Institute of Chemistry, Chinese Academy of Sciences. In September 2018, he taught at School of Chemistry and Chemical Engineering, Northwestern Polytechnical University. He is mainly engaged in molecular structure design and application research of functional and intelligent polyimide materials. He has presided over a number of scientific research projects such as the National Natural Science Foundation of China, the Shaanxi Basic Research Program of Natural Science, the China Postdoctoral Science Foundation, and the Xi 'an Association for Science and Technology Young Talent Promotion Program. As the first author/corresponding author, he has published more than 20 SCI papers in Macromolecules, Journal of Materials Chemistry A, ACS Applied Materials & Interfaces and other important academic journals at home and abroad. He has made several invitation or oral reports respectively at international polyimide Academic Conference, National Polymer Academic Paper Report, the second Dynamic polymer Academic Forum and polyimide materials academic conference.