Si Yujun, professor, Ph.D. holder, and master’s supervisor. Mainly engaged in researches on the preparation of non-noble metal composite carbon material and oxygen reduction reaction, presided over 8 provincial/city-level research projects funded by Sichuan Provincial Department of Science and Technology, Sichuan key laboratories, and Chongqing key laboratories, published more than 20 papers, obtained 5 authorized patents for invention, and won twice the Best Paper Award on Natural Science of Zigong.