Zefeng Yang’s research focuses on the dynamics, arc phenomena, electrical contact, and materials for railway pantograph-catenary systems. He currently holds 18 national invention patents. He won the Ministry of Education’s First Prize of Science and Technology Progress Award in 2019 and the IEEE International Standards Outstanding Contribution Award. In 2021, he became a representative of IEEE international standards (IEEE P2752, P2753, P2771), a member of the Sichuan Rail Transit High Voltage Technology Engineering Center, and a member of the Sichuan Science and Technology Youth Federation. In recent years, he has been involved in the design, research, and development of the pantograph-catenary system for the CR450 high-speed train.